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Abstract 


The current study is aimed at providing a systematic review of the ethnomedicinal, phytochemical and pharmacological properties of Fabaceae species used as sources of traditional medicinies in Zimbabwe. Fabaceae is one of the well-known plant families of ethnopharmacological importance. Of the approximately 665 species of the Fabaceae family occurring in Zimbabwe, about 101 are used for medicinal purposes. Many communities in the country, mainly in peri-urban, rural and marginalized areas with limited access to healthcare facilities, rely on traditional medicines as their primary healthcare. The study reviewed research studies undertaken on Zimbabwe's Fabaceae species during 1959 to 2022. Information was gathered from literature sourced from Google Scholar, Science Direct, Scopus, PubMed, books, dissertations, theses and scientific reports. This study showed that 101 species are traditionally used to manage human and animal diseases in Zimbabwe. The genera with the highest number of medicinal uses are Indigofera, Senna, Albizia, Rhynchosia and Vachellia. Species of these genera are used as traditional medicines against 134 medical conditions, mainly gastrointestinal conditions, female reproductive conditions, respiratory conditions and sexually transmitted infections. Shrubs (39.0%), trees (37.0%) and herbs (18.0%) are the primary sources of traditional medicines, while roots (80.2%), leaves (36.6%), bark (27.7%) and fruits (8.9%) are the most widely used plant parts. Many of Zimbabwe's Fabaceae species used as sources of traditional medicines have been assessed for their phytochemical and pharmacological properties, corroborating their medicinal uses. However, there is a need to unravel the therapeutic potential of the family through further ethnopharmacological research focusing on toxicological studies, in vitro and in vivo models, biochemical assays and pharmacokinetic studies.

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Plants (Basel). 2023 Mar; 12(6): 1255.
Published online 2023 Mar 10. https://doi.org/10.3390/plants12061255
PMCID: PMC10051751
PMID: 36986943

Medicinal Uses of the Fabaceae Family in Zimbabwe: A Review

Laura Cornara, Academic Editor

Associated Data

Data Availability Statement

Abstract

The current study is aimed at providing a systematic review of the ethnomedicinal, phytochemical and pharmacological properties of Fabaceae species used as sources of traditional medicinies in Zimbabwe. Fabaceae is one of the well-known plant families of ethnopharmacological importance. Of the approximately 665 species of the Fabaceae family occurring in Zimbabwe, about 101 are used for medicinal purposes. Many communities in the country, mainly in peri-urban, rural and marginalized areas with limited access to healthcare facilities, rely on traditional medicines as their primary healthcare. The study reviewed research studies undertaken on Zimbabwe’s Fabaceae species during 1959 to 2022. Information was gathered from literature sourced from Google Scholar, Science Direct, Scopus, PubMed, books, dissertations, theses and scientific reports. This study showed that 101 species are traditionally used to manage human and animal diseases in Zimbabwe. The genera with the highest number of medicinal uses are Indigofera, Senna, Albizia, Rhynchosia and Vachellia. Species of these genera are used as traditional medicines against 134 medical conditions, mainly gastrointestinal conditions, female reproductive conditions, respiratory conditions and sexually transmitted infections. Shrubs (39.0%), trees (37.0%) and herbs (18.0%) are the primary sources of traditional medicines, while roots (80.2%), leaves (36.6%), bark (27.7%) and fruits (8.9%) are the most widely used plant parts. Many of Zimbabwe’s Fabaceae species used as sources of traditional medicines have been assessed for their phytochemical and pharmacological properties, corroborating their medicinal uses. However, there is a need to unravel the therapeutic potential of the family through further ethnopharmacological research focusing on toxicological studies, in vitro and in vivo models, biochemical assays and pharmacokinetic studies.

Keywords: Fabaceae, ethnobotany, herbal medicine, Leguminosae, natural compounds, traditional knowledge, Zimbabwe

1. Introduction

The Fabaceae (Leguminosae), often referred to as the bean, legume or pea family, is the third largest plant family after the Asteraceae and Orchidaceae in terms of plant species numbers [1]. The Fabaceae family consists of approximately 770 genera and 19,500 species [1,2] recorded in almost all of the biomes in the world except Antarctica and the high Arctic [3]. Research has shown that the success of the family in dominating in several hospitable and disturbed habitats is ascribed to the ability of the species to fix atmospheric nitrogen, thus allowing the plant species to grow in nutrient-poor soils [4,5,6]. Recent morphological and molecular research has supported that the Fabaceae family is a monophyletic family [2,7]. However, the Fabaceae family is divided into six subfamilies, namely the Caesalpinioideae (148 genera and 4400 species), Cercidoideae (12 genera and 335 species), Detarioideae (84 genera and 760 species), Dialiodeae (17 genera and 85 species), Duparquetioideae (monotypic genus) and Faboideae (or Papilionoideae) (503 genera and 14,000 species) [2]. Members of the Fabaceae family include trees, shrubs, subshrubs, woody lianas, climbing annuals, herbs and aquatics [8]. The flowers are asymmetric, bilaterally symmetric or radially symmetric, and are pollinated by bats, birds and insects [9]. The leaves of the majority of species belonging to the Fabaceae family are compound, double-compound or trifoliolate, sometimes with a swollen leaf base, a superior ovary with one locular, and the fruit is usually a two-valved, dehiscent pod that is rarely fleshy but is sometimes indehiscent and occasionally breaking into segments [10,11].

The majority of the members of the Fabaceae family are culturally and economically important throughout the world, and are used as sources of traditional medicines, food, timber, garden ornamentals, dyes, fibres, fuels, gums and insecticides [6,12,13]. The role played by Fabaceae species in the provision of ecosystem services and goods that support human wellbeing and survival have been highlighted in some studies conducted in different countries of the world [14,15]. Many members of this family have been widely studied for their bioactive chemical constituents such as phenolic acids, flavonoids, lectins, saponins, alkaloids and carotenoids [16]. Pharmacological studies have shown that some species exhibit potent anticancer, antioxidant, antimicrobial, anti-inflammatory, analgesic, antiulcer, antidiabetic, antirheumatic, cytotoxic and antiparasitic activities, among others [16,17,18]. Therefore, extensive phytochemical and pharmacological evaluations of some of the utilized Fabaceae species may lead to the discovery and development of novel pharmaceutical products, functional food ingredients and cosmetic products. Despite the discovery of several secondary metabolites in the Fabaceae, this family has attracted disproportionately little attention in the context of ethnopharmacological research. It is, therefore, within this context that this study was undertaken, with the aim of exploring and documenting the ethnomedicinal knowledge of Zimbabwe. Such a synthesis identified the gaps in knowledge on the therapeutic potential of the Fabaceae species and may also provide helpful information on ethnopharmacological research areas that require further research.

2. Materials and Methods

A literature search on Fabaceae species used as traditional medicines in Zimbabwe was conducted from September 2021 to November 2022. This information was retrieved from different online databases such as BioMed Central, Web of Science, Springerlink, Google Scholar, Scielo, PubMed, Science Direct, ACS Publications, Scopus and JSTOR. In addition, theses, dissertations, book chapters, books and scientific reports were retrieved from the libraries of the University of Fort Hare (UFH) in South Africa and the National Herbarium (SRGH) in Harare, Zimbabwe. Keywords and terminologies such as Zimbabwe, ethnobotany, ethnomedicine, ethnopharmacology, indigenous, medicine, phytomedicine, traditional medicine, Zimbabwean Fabaceae, Zimbabwean Leguminosae, medicinal Fabaceae, medicinal Leguminosae, Zimbabwean traditional medicine, Fabaceae and Leguminosae were used to search for relevant articles as shown in the PRISMA flow diagram (Figure 1). From each article, the following information was collected: the scientific names of the plant species, their growth form, plant part(s) used, methods of preparation and medicinal uses. The medicinal use categories were classified according to the Economic Botany Data Collection Standard [19]. The scientific names of the Fabaceae species from the original data sources were updated to the recently accepted names according to the Plants of the World Online website [20]. The Fabaceae subfamilies were updated following the classifications of the “Legume Phylogeny Working Group”, which presently recognizes six subfamilies: Caesalpinioideae, Cercidoideae, Detarioideae, Dialioideae, Duparquetioideae and Papilionoideae [2].

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Flow diagram showing the identification and screening of the articles used in this review.

3. Results and Discussion

3.1. Medicinal Plant Diversity

This study recorded 101 species traditionally used to manage and treat human and animal diseases in Zimbabwe (Table 1). Of these, 91 species are indigenous to Zimbabwe (90.1%), while nine species are exotic (8.9%), either naturalized as weeds or cultivated in home gardens and agricultural fields as ornamentals, fodder or food plants. The subfamilies Caesalpinoideae and Faboideae are dominant, with 54 species (53.5%) and 55 species (54.5%), respectively, and the remaining two species belonging to the Cercidoideae. Therefore, 101 species (15.2%) out of 665 species of the Fabaceae family known to occur in Zimbabwe [21] are used as sources of traditional medicines. A similar study by Van Wyk [6] showed that 338 species out of 1748 Fabaceae species (19.3%) are used as traditional medicines in southern Africa. Similar findings have been reported in Thailand, where 261 species out of 688 Fabaceae species are used as sources of traditional medicines [22]. Macêdo et al. [23] and Sutjaritjai et al. [24] argued that the prominence of Fabaceae taxa in traditional pharmacopoeia throughout the world is possibly associated with the wide distribution of the family, as the different growth forms of the species grow in many types of habitats and vegetation, and therefore are available in all seasons.

Table 1

Medicinal Fabaceae plants of Zimbabwe.

Plant TaxaHabitParts UsedMedicinal UsesLiterature RecordsReferences
Abrus precatorius L. subsp. africanus Verdc. +1ClimberLeaves, roots and seedsBilharzia (schistosomiasis), sexually transmitted infections (STIs) and lucky charms4[25,26,27,28]
Aeschynomene mimosifolia Vatke 1ShrubRootsChest pains and headache1[25]
Afzelia quanzensis Welw. 2TreeBark, fruits and root barkBloated stomach, blood pressure, depressed fontanelle, haemorrhoids and stomach problems, lucky charms and painful udders in cattle2[25,28]
Albizia amara (Roxb.) Boivin 2TreeBark, leaves and rootsAphrodisiac, constipation, diarrhoea, dilating the birth canal, dysentery, oedema, painful placenta, palpitations, pneumonia, purgative, stomach problems, tuberculosis (TB), warts, and protection against witchcraft5[25,28,29,30,31]
Albizia adianthifolia (Schumach.) W.Wight 2TreeRootsEthnoveterinary medicine2[32,33]
Albizia anthelmintica (A.Rich.) Brongn. 2ShrubBarkWounds1[25]
Albizia antunesiana Harms 2TreeBark, bark sap, leaves and rootsAbdominal pains, aphrodisiac, bilharzia, constipation, depressed fontanelle, diarrhoea, gonorrhoea, infertility in women, menstrual problems, painful legs, painful uterus, preventing abortion, purgative, sexually transmitted diseases (STDs), sore eyes, sore throat and swollen legs8[25,26,27,28,34,35,36,37]
Albizia tanganyicensis Baker 2TreeBark and rootsCough and swollen legs1[25]
Albizia versicolor Welw. ex Oliv. 2TreeRootsErectile dysfunction, infertility in men and sexual impotence3[25,28,29]
*Arachis hypogaea L. 1HerbLeavesCataracts, infertility in women and sore eyes1[25]
Baikiaea plurijuga Harms 2TreeBarkBloated stomach and haemorrhoids1[28]
Bauhinia galpinii N.E.Br. 3ShrubRoots and seedsInfertility and menstrual problems2[25,28]
Bauhinia petersiana Bolle 3TreeRootsDepressed fontanelle, infertility in women, menstrual problems and preventing witchcraft2[25,28]
Bobgunnia madagascariensis (Desv.) J.H. Kirkbr. & Wiersema 1TreeFruits, pods and rootsAbdominal pains, convulsions, diarrhoea, emetic, earache, headache, infertility in men and women, oedema, stomach problems, syphilis and wounds3[25,28,34]
Bolusanthus speciosus (Bolus) Harms 1TreeLeavesBile emesis and emetic1[25]
Brachystegia boehmii Taub. 2TreeBark, leaves, roots and twigsAbdominal pains, antivenom, back pain, cataracts, heart problems, mental problems, sore eyes, STIs, toothache, constipation and lumbago in ruminants5[25,28,34,36,37]
Brachystegia spiciformis Benth. 2TreeBark, fibre and rootsConstipation, diarrhoea, mental problems, pain, sore eyes and wounds3[25,28,38]
Burkea africana Hook. 2TreeBark, leaves and rootsAbdominal pains, anti-inflammatory, bilharzia, cancer, diarrhoea, fever, immune system booster, infections, oedema and ulcers3[25,26,39]
* Cajanus cajan (L.) Huth. 1ShrubLeavesEarache1[25]
Cassia abbreviata Oliv. 2TreeBark, fruits, roots and twigsAbdominal pains, abortifacient, aphrodisiac, backache, bilharzia, cancer, constipation, diarrhoea, gonorrhoea, hydrocele, lucky charms, malaria, menstrual problems, stomach pains, STDs and venereal diseases11[25,26,27,28,34,35,36,37,38,40,41,42]
Colophospermum mopane (J.Kirk ex Benth.) J.Léonard 2TreeBark, charcoal, leavesConstipation, diarrhoea, snake bite and diarrhoea in cattle3[25,28,38]
Crotalaria laburnifolia L. 1HerbRootsCough1[25]
Crotalaria rogersii Bak.f. 1HerbRootsInfertility in women and lucky charms1[25]
Dalbergia melanoxylon Guill. & Perr. 1ShrubBarkAsthma and wounds3[37,38,43]
Dalbergia nitidula Welw. ex Bak. 1ShrubBark and rootsAphrodisiac, driving away bad spirits, preventing witchcraft and ulcers1[25]
Dalbergiella nyasae Bak.f. 1TreeLeaves and rootsTetanic contractions and driving away maggots from wounds1[25]
Dichrostachys cinerea (L.) Wight & Arn. 2TreeLeaves, fruits or rootsAbdominal pains, antivenom, backache, cancer, colic, contraceptive, cough, depressed fontanelle, diarrhoea, dilating the birth canal, epistaxis, infertility in women, influenza, inducing labour, mental problems, oedema, postpartum, scabies, scorpion stings, STDs, stomach problems, syphilis, urticaria (skin swellings) and wounds8[25,28,29,31,34,35,38,40]
Dolichos kilimandscharicus Taub. 1HerbTubersAbdominal pains, antiemetic, constipation, diarrhoea and measles1[25]
Elephantorrhiza burkei Benth. 2ShrubRootsAntiemetic, constipation, increasing blood in the body and postpartum conditions1[25]
Elephantorrhiza elephantina (Burch.) Skeels 2ShrubRootsAbdominal pains, aphrodisiac, infertility in women, postpartum conditions and reducing the size of the vagina3[25,34,44]
Elephantorrhiza goetzei (Harms) Harms 2ShrubBark, rhizomes or rootsAbdominal pains, anthelmintic, backache, bilharzia, bloating, blood pressure, boosting appetite, constipation, cough, depressed fontanelle, diarrhoea, dilating the birth canal, erectile function, fever, gonorrhoea, heart pains, human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) opportunistic infections, increasing blood in the body, infertility, influenza, malaria, painful uterus, postpartum conditions, rash, STIs and stomach problems11[25,26,27,28,31,34,35,36,37,38,41]
Elephantorrhiza suffruticosa Schinz 2ShrubRootsConstipation and diarrhoea1[25]
Eriosema englerianum Harms 1ShrubLeaves and rootsAphrodisiac, backache, bilharzia, blood pressure, infertility in women, menstrual problems, painful uterus, venereal disease and wasting in infants3[25,27,31]
Eriosema rhynchosioides Bak. 1ShrubRootsTonic1[25]
Erythrina abyssinica Lam. ex DC. 1TreeBark, leaves and rootsAbdominal pains, backache, bilharzia, blood pressure, cough, cracked heels, diarrhoea, gonorrhoea, lucky charms, mental problems, STDs, stop bad dreams, wasting in infants, wounds and wounds in the mouth9[25,26,27,28,29,31,36,37,40]
Erythrina livingstoniana Bak. 1TreeRootsHaematuria1[25]
Erythrina spp. 1 RootsBackache and manic disorders1[29]
Erythrophleum africanum (Benth.) Harms 2TreeBarkStomach pains1[25]
Erythrophleum suaveolens (Guill. & Perr.) Brenan 2TreeBarkPreventing witchcraft1[25]
Flemingia grahamiana Wight & Arry 1HerbRootsDiarrhoea1[25]
Grona barbata (L.) H.Ohashi & K.Ohashi 1HerbRootsAbortifacient, dilating the birth canal, epilepsy, preventing abortion, postpartum conditions, sore eyes and wasting in infants1[25]
Indigofera antunesiana Harms 1ShrubRootsMenstrual problems1[25]
Indigofera arrecta Hochst. ex A.Rich. 1ShrubLeaves and rootsAbdominal pains, abortifacient, convulsions, diuretic, gonorrhoea, infertility, purgative, sore eyes, stomach pains and de-ticking dogs2[25,35]
Indigofera astragalina DC. 1HerbRootsDizziness1[25]
Indigofera demissa Taub. 1HerbRootsAbortifacient1[25]
Indigofera hilaris Eckl. & Zeyh. 1HerbRootsPainful legs1[25]
Indigofera hirsuta L. 1ShrubRootsDizziness1[34]
Indigofera rhynchocarpa Bak. 1ShrubRootsAbdominal pains and menstrual problems1[25,34]
Indigofera setiflora Baker 1HerbRootsDiarrhoea and stomach problems3[28,37,43]
Indigofera spicata Forssk. 1HerbRootsPanacea1[25]
Indigofera vicioides Jaub. & Spach. ssp. rogersii (R.E.Fr.) Schrire 1ShrubRootsDepressed fontanelle1[25]
Indigofera wildiana J.B.Gillett 1ShrubRootsPreventing abortion1[25]
Indigofera spp. 1ShrubLeaves and rootsAbdominal pains, antenatal conditions, chest pains, coughs, driving away bad spirits and infertility in women 2[25,34]
Julbernardia globiflora (Benth.) Troupin 2TreeBark, bark fibre, leaves and rootsConstipation, diarrhoea, reducing the size of the vagina, snakebite, sore eyes, stomach problems and diarrhoea in cattle3[25,28,38]
* Lessertia frutescens (L.) Goldblatt & J.C.Manning 1 (Syn. Sutherlandia frutescens (L.) W.T,Aiton)ShrubRootsAnalgesia, cancer, colds, diabetes, fever, influenza and haemorrhoids1[39]
* Leucaena leucocephala (Lam.) DeWit 2ShrubBark, leaves and seedsColds, influenza and TB1[45]
Macrotyloma densiflorum (Welw. ex Bak.) Verdc. 1ShrubLeavesAbdominal pains1[25]
Mucuna coriacea Baker 1ClimberRootsBilharzia1[26]
Mundulea sericea (Willd.) A.Chev. 1ShrubRootsInfertility and sexual impotence2[25,29]
Neorautanenia mitis (A.Rich.) Verdc. 1ClimberBulbsFever and de-ticking dogs2[25,28]
Ormocarpum kirkii S.Moore 1TreeLeavesDepressed fontanelle, dilating the birth canal and stomach pains3[28,31,34]
Ormocarpum trichocarpum (Taub.) Engl. 1ShrubLeaves and rootsAllergies, depressed fontanelle, prolonged labour and stomach problems2[25,29]
Peltophorum africanum Sond. 2TreeBark, leaves and rootsAbdominal pains, bilharzia, blood purification, chest pains, diaphoretic, diarrhoea, diuretic, driving away evil spirits, dropsy, eye problems, headache, infertility in women, laxative, mental problems, nausea, oedema, panacea, preventing abortion, sore eyes, sore throat, STDs, STIs, syphilis, toothache and venereal diseases10[25,26,27,29,34,35,36,37,38,46]
Pericopsis angolensis (Baker) Meeuwen 1TreeBark or rootsAbdominal pains, antiemetic, backache, cancer, cough, diarrhoea, dyspnoea, oedema, sore throats and wounds3[25,28,38]
* Phaseolus vulgaris L. 2ShrubRootsBilharzia and postpartum conditions2[26,34]
Philenoptera violacea (Klotzch) Schrire 1TreeRootsDiarrhoea1[38]
Piliostigma thonningii (Schumach.) Milne-Redh. 2 (Syn. Bauhinia thonningii Schumach.)TreeBark, fruits, leaves and rootsAbdominal pains, antivenom, bilharzia, constipation, convulsions, cough, diarrhoea, dropsy, emetic, immune booster, influenza, menstrual problems, painful legs, painful uterus, postpartum conditions, stomach problems and ketosis in cattle7[25,26,28,29,36,37,38]
Pseudarthria hookeri Wight & Arn. 1HerbLeaves and rootsBilharzia and diarrhoea1[25]
Pterocarpus angolensis DC. 1TreeBark, flowers, fruits, leaves, roots and sapAbdominal pains, anaemia, aphrodisiac, asthma, backache, bilharzia, body pains, cataract, cough, depressed fontanelle, diarrhoea, earache, haematuria, infertility in women, kwashiorkor, lameness, menstrual problems, pelvic inflammation, ringworm, sore eyes, stomach problems, TB, ulcers and venereal diseases and sore eyes in animals11[25,26,27,28,29,31,35,36,37,38,46]
Pterocarpus rotundifolius (Sond.) Druce 1TreeRoot sapSore eyes1[25]
Pterolobium stellatum (Forssk.) Brenan 2ClimberRootsAugmenting labour and depressed fontanelle2[31,38]
Rhynchosia insignis (O.Hoffm.) R.E.Fr. 1HerbRootsAbdominal pains, depressed fontanelle and dropsy 1[25]
Rhynchosia minima (L.) DC. 1HerbRootsBoils and skin infections1[47]
Rhynchosia monophylla Schltr. 1HerbRootsPostpartum conditions1[25]
Rhynchosia resinosa (Hochst. ex A.Rich.) Bak. 1ClimberLeaves and roots and twigsAbdominal pains, diabetes mellitus, dilating the birth canal, expel maggots from wounds, high blood pressure, infertility and menstrual problems3[25,31,34]
Rhynchosia spp. 1HerbRootsDiarrhoea1[38]
Schotia brachypetala Sond. 2TreeBark, leaves and rootsDepressed fontanelle, diarrhoea, dysentery, epistaxis, oedema, stomach problems, swellings and ulcers4[25,28,34,38]
Senegalia ataxacantha (DC.) Kyal. & Boatwr. 2 (Syn. Acacia ataxacantha DC.)ShrubRootsAbdominal pains, constipation and preventing witchcraft1[25]
Senegalia chariessa (Milne-Redh.) Kyal. & Boatwr. 2 (Syn. Acacia chariessa Milne-Redh.)ShrubRootsAntenatal, blood purification and postpartum2[25,29]
Senegalia mellifera (Benth.) Seigler & Ebinger 2 (Syn. Acacia mellifera Benth.)ShrubBarkAphrodisiac2[25,28]
Senegalia nigrescens (Oliv.) P.J.H.Hurter 2 (Syn. Acacia nigrescens Oliv.)TreeRootsConvulsions1[25]
Senna didymobotrya (Fresen.) H.S.Irwin & Barneby 2 (Syn. Cassia didymobotrya Fresen.)ShrubRootsConvulsions and mental problems1[25]
Senna italica Mill. 2 (Syn. Cassia italica (Mill.) F.W.Andr.)ShrubRootsAbdominal pains, bilharzia, bronchitis, colic, haemorrhoids and sore eyes3[25,26,29]
* Senna occidentalis (L.) Link 2 (Syn. Cassia occidentalis L.)HerbRootsSore throats and tonsillitis1[28]
Senna petersiana (Bolle) Lock 2 (Syn. Cassia petersiana Bolle)TreeRootsBilharzia1[26]
Senna singueana (Delile) Lock 2 (Syn. Cassia singueana Delile)ShrubBark, leaves and roots Abdominal pains, antiemetic, bilharzia, constipation, dropsy, herpes, infertility in women, malaria, menstrual problems, painful uterus, postpartum, preventing still birth, preventing bad luck, sores, sore eyes, STDs, syphilis and venereal diseases7[25,26,27,28,34,38,40]
* Senna septemtrionalis (Viv.) H.S.Irwin & Barneby 2 (Syn. Cassia septemtrionalis Viv.)ShrubRootsMalaria1[41]
Sesbania spp. 1ShrubSeedsFever1[34]
Sphenostylis erecta (Baker f.) Hutch. ex Baker f. 1 (Syn. Sphenostylis marginata E.Mey. ssp. erecta (Baker f.) Verdc.)ShrubRootsAbdominal pains, bile emesis, constipation, diarrhoea, fever, oedema and wasting away in infants2[25,38]
* Tamarindus indica L. 2TreeFruits and rootsSore throat and venereal diseases1[25]
Tephrosia radicans Welw. 1ShrubRootsSore eyes and toothache1[25]
Tylosema fassoglense (Kotschy ex Schweinf.) Torre & Hillc. 2ClimberBark, roots and tubersAbdominal pains, diarrhoea, pneumonia, retained placenta, stomach problems and venereal diseases2[25,28]
Vachellia amythethophylla (Steud. ex A.Rich.) Kyal. & Boatwr. 2 (Syn. Acacia amythethophylla Steud. ex A.Rich.)ShrubRootsAntidote for snakebites, convulsions, driving away evil spirits, excessive sweating, infertility in women, mental problems and painful uterus 1[25]
Vachellia karroo (Hayne) Banfi & Galasso 2 (Syn. Acacia karroo Hayne)TreeFruits and rootsAphrodisiac, bilharzia, body pains, convulsions, dizziness, gonorrhoea, syphilis and killing parasites in fowl runs6[25,26,27,36,37,43]
Vachellia nilotica (L.) P.J.H.Hurter & Mabb. 2 (Syn. Acacia nilotica L.)ShrubFruits and rootsSTDs1[40]
Vachellia rehmanniana (Schinz) Kyal. & Boatwr. 2 (Syn. Acacia rehmanniana Schinz)TreeBark and rootsBloated stomach, headaches and pneumonia1[25,28]
Vachellia sieberiana (DC.) Kyal. & Boatwr. 2 (Syn. Acacia sieberiana DC.)ShrubRootsAntiseptic1[25]
Vigna nuda N.E.Br. 1HerbRootsChest pains and cough1[34]
# Vigna unguiculata (L.) Walp.1ShrubRoots and seedsAnaemia, antivenom, bilharzia, chest pains, constipation, epilepsy, menstrual problems and antidote for snakebites 4[25,26,27,28]
Xeroderris stuhlmannii (Taub.) Mendonça & E.P.Sousa 1TreeBark, leaves or rootsAbdominal pains, anaemia, antiabortifacient, back pains, cancer, diarrhoea, headache, infertility in men, malaria, menstrual problems, pneumonia, stomach problems, toothache, venereal diseases, wounds and ethnoveterinary medicine4[25,28,38,48]
Zornia glochidiata Rchb. ex DC. 1HerbRootsDilating the birth canal, preventing abortion and venereal diseases1[25]

* = Exotic; # = cultivated or collected from semi-natural landscapes; + = Fabaceae subfamilies: 1 = Faboideae, 2 = Caesalpinoideae, 3 = Cercidoideae.

Indigofera is the genus with the highest number of medicinal Fabaceae species (12 species), followed by Senna (six species), and Albizia, Rhynchosia and Vachellia with five species each (Figure 2). However, the genera associated with the highest number of records in the literature are Elephantorrhiza (12 records), Pterocarpus (11 records), Senna (10 records), Albizia and Erythrina (nine records each) and Vachellia with eight records (Figure 2). The number of medicinal species found in each genus is significantly correlated to the total number of species in each genus in Zimbabwe (p < 0.01, r = 0.772). These results are consistent with those observed by Anorld et al. [49], who recorded 11 medicinal species of Albizia, followed by Rhynchosia (12 species), Senna (17 species), and Indigofera and Vachellia with 32 species each. In Botswana, Hedberg and Staugård [50] argued that one Senna species, followed by Albizia (three species), Rhynchosia (four species), Indigofera (five species) and Vachellia (six species) were used as traditional medicines in that country. Moreover, several species of Albizia, Elephantorrhiza, Erythrina, Senna and Vachellia are included in the monograph Medicinal Plants of South Africa, with detailed information on their botany, medicinal uses, preparation, dosage, active ingredients and pharmacological effects [51].

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Numbers of species and reports of the use of Fabaceae genera with medicinal uses in Zimbabwe.

3.2. Growth Habit and Parts Used

Shrubs (39.0%), followed by trees (37.0%) and herbs (18.0%), are the primary sources of the medicinal Fabaceae species in Zimbabwe (Figure 3A). The plant parts used for traditional medicine preparations include bark, bark fibre, bark sap, bulbs, charcoal, fibre, flowers, fruits, leaves, pods, rhizomes, roots, root bark, root sap, sap, seeds, tubers and twigs (Table 1). The roots are the most frequently used (81 species), followed by leaves (37 species), bark (28 species), fruits (nine species), seeds (four species), twigs (three species) and tubers (two species), with the rest of the plant parts represented by a single species each (Figure 3B). However, harvesting the roots of herbaceous plants for medicinal purposes is not sustainable, as it threatens the survival of these plants used to treat human and animal diseases. It is well recognized by conservationists that medicinal plants primarily valued for their roots and those which are intensively harvested for their bark often tend to be the most threatened by overexploitation [52,53]. Afzelia quanzensis, Baikiaea plurijuga, Dalbergia melanoxylon and Pterocarpus angolensis are listed in the Zimbabwean Red Data List, as these four species are threatened with extinction mainly due to overexploitation as sources of timber for construction or wood carving [54].

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Characteristics of Fabaceae species used as traditional medicines in Zimbabwe. (A): Growth habit as a pie diagram and (B): Plant parts used presented as a bar chart.

3.3. Usage Categories with High Numbers of Reports

The 134 medical reports of Fabaceae species in Zimbabwe (Table 1 and Table 2) are classified into 19 major health disorder categories following the International Classification of Primary Care’s classification system [19]. Most use records are in the categories of gastrointestinal problems (92 usage reports) and female reproductive problems (58 usage reports) (Table 2). Similarly, gastrointestinal problems, reproductive problems in women, respiratory problems and sexually transmitted infections (Table 2) are treated with the highest number of species. The categories of gastrointestinal problems, reproductive problems, respiratory problems and sexually transmitted infections are among the 10 major causes of death in Zimbabwe [55]. Muchandiona [56] argued that the prevalence of gastrointestinal disorders and respiratory infections is due to poor solid waste management by the local councils in Zimbabwe, which has worsened over the years. Similarly, gastrointestinal disorders, such as diarrhoea and dysentery, are also a major concern in neighbouring countries such as Mozambique [57,58,59] and South Africa [60,61,62]. Therefore, gastrointestinal problems are among the most common reasons local people use traditional medicines and consult traditional healers [57,59,60,61,62].

Table 2

Major disease categorises and Fabaceae species used as traditional medicines in Zimbabwe.

Disease CategorySpeciesUsage Records
Antenatal and postpartum conditions1523
Antivenom811
Back pain1014
Bilharzia1927
Charms and ritual objects1526
Convulsions and epilepsy918
Depressed fontanelle1224
Ethnoveterinary medicine1020
Fever and malaria1119
Gastrointestinal problems4592
Mental problems1016
Oedema1119
Reproductive problems in men1836
Reproductive problems in women2758
Respiratory problems2639
Sexually transmitted infections2031
Skin problems816
Sore eyes1527
Sores and wounds1124

Fifteen medicinal species are known to have more than eight usage reports (Figure 4). These species included Albizia amara, Albizia antunesiana, Brachystegia boehmii, Cassia abbreviate, Dichrostachys cinerea, Elephantorrhiza goetzei, Erythrina abyssinica, Peltophorum africanum, Piliostigma thonningii, Pterocarpus angolensis, Schotia brachypetala, Senna singueana, Vachellia karroo, Vigna unguiculata and Xeroderris stuhlmannii. Some of these plant species are widely used as sources of traditional medicines in Angola [63], Botswana [50,64], Eswatini [65], Malawi [66,67], Mozambique [58,68], Namibia [69,70], South Africa [71,72] and Zambia [73,74]. The importance of these species as sources of traditional medicines is documented in the monographs Medicinal and Magical Plants of Southern Africa: An Annotated Checklist [49], Plant Resources of Tropical Africa 11: Medicinal Plants 1 and 2 [75,76] and Medicinal Plants of South Africa [51]. Research by Van Wyk [77] revealed that Colophospermum mopane, Dichrostachys cinerea and Vachellia karroo are commercially exploited in local, regional or international trade in eastern, southern and western Africa.

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Fabaceae species with eight or more usage reports cited in at least four references.

3.4. Phytochemistry and Pharmacological Properties of Fabaceae Species

The Fabaceae species used as sources of traditional medicines in Zimbabwe are rich in chemical constituents (Table 3). The majority of these species are characterized by flavonoids (57.4%), followed by terpenoids (42.6%), tannins (40.6%), saponins (34.7%), phenolics (30.7%) and alkaloids (28.7%) (Table 3). Research by Wink [78] showed that the main secondary metabolites of the Fabaceae family include alkaloids, non-protein amino acids, cyanogens, peptides, phenolics, polyketides and terpenoids. This author argued that these secondary metabolites serve as defence compounds against herbivores and microbes and also serve as signal compounds to attract pollinating and fruit-dispersing animals. Fabaceae species used as traditional medicines and food plants are characterized by nutrients such as proteins, lipids, carbohydrates, mineral elements, fatty acids, amino acids, fibres and vitamins, which are important for animal and human health [79,80]. The majority of documented species have several proven pharmacological activities (Table 3) such as inhibition of the acetylcholinesterase enzyme, and anticancer, antidiabetic, antifertility, anthelmintic, antiamoebic, anti-inflammatory, antimicrobial, antioxidant, antiparasitic, cytotoxic, hepatoprotective, hypoglycaemic and immunomodulatory effects. Despite the discovery of several secondary metabolites in the Fabaceae family, its species have attracted disproportionately little attention in the context of ethnopharmacological research over the years. The relative importance of the Fabaceae species as medicinal plants is demonstrated by the fact that about 10% of the species documented in this study are commercially important. The species that are commercially developed with potential to be developed into health products or pharmaceutical drugs and are regularly traded on the international markets include Abrus precatorius, Albizia adianthifolia, Cajanus cajan, Colophospermum mopane, Dichrostachys cinerea, Lessertia frutescens, Senna italica, Senna occidentalis, Tamarindus indica, Vachellia karroo and Vachellia nilotica [77,81].

Table 3

Phytochemistry and pharmacological properties of Fabaceae species used as traditional medicines in Zimbabwe.

SpeciesPhytochemistryPharmacological ActivitiesReferences
Abrus precatorius Alkaloids, esters, flavonoids, organic acids, phenolics, steroids and terpenoidsAntidiabetic, antifertility, anti-inflammatory, antimicrobial, antioxidant, antiparasitic, antiprotozoal, antitumor, immunomodulatory and insecticidal[82]
Aeschynomene mimosifolia FlavonoidsCytotoxicity[83]
Afzelia quanzensis Fatty acidsAntifungal[84]
Albizia amara Alkaloids, glycosides, flavonoids, phenols, quinones, saponins, sterols, tannins and terpenoidsAnalgesic, antiarthritic, antibacterial, antifungal, antiviral, anticancer, antihyperlipidemic, anti-inflammatory, antioxidant and hepatoprotective[85,86,87]
Albizia adianthifoliaApocarotenoids, chalcone, dipeptide, elliptocytes, fatty acids, flavonoids, histamine, imidazolyl carboxylic acid, prosapogenins, saponins, steroids, triterpenoids and volatile oilsAcetylcholinesterase enzyme inhibitory, anthelmintic, antiamoebic, antibacterial, antifungal, anti-inflammatory, antioxidant, cytotoxic, hypoglycaemic and immunomodulatory[88,89]
Albizia anthelmintica Alkaloids, diterpenes, flavonoids, gallic acid, phenolics, saponins and tanninsAnalgesic, antibacterial, anti-inflammatory and antioxidant[90,91]
Albizia antunesiana Coumarins, phenolics and triterpenoidsAnthelmintic and antioxidant[92]
Albizia tanganyicensis SaponinsAnthelmintic, anticonvulsant, anti-inflammatory, antimicrobial, antioxidant and wound healing[93,94,95]
Albizia versicolor Glycosides, saponins and triterpenesAnthelmintic and antifungal[84,96,97]
Arachis hypogaea Alkaloids, phenolics, phytic acid and saponinsAntioxidant[98]
Baikiaea plurijuga Alkaloids, anthraquinones, flavonoids, phenolics and tanninsAntibacterial and antioxidant[99,100,101]
Bauhinia galpinii Fatty acids, flavonoids, phenols, proanthocyanidin, tannins and terpenoidsAntibacterial, antifungal, anti-inflammatory, antioxidant and cytotoxic[102,103,104,105,106]
Bauhinia petersiana Anthraquinones, alkaloids, cardenolides, flavonoids, saponins, tannins and terpenoidsAntibacterial, antifungal, anti-inflammatory, antioxidative and cytotoxic[102,104]
Bobgunnia madagascariensis Flavonoids, saponins and tanninsAntibacterial[107]
Bolusanthus speciosus Alkaloids, flavonoids, phenolics, saponins, tannins and volatile oilsAnti-arthritic, antibacterial, antigonococcal, antimycobacterial, antifungal, anti-HIV, anti-inflammatory and antioxidant[108]
Brachystegia boehmii TanninsAntibacterial, anti-inflammatory and antioxidant[109,110,111]
Brachystegia spiciformis Proanthocyanadin and tannins* None found[112,113]
Burkea africana Flavonoids, glycosides, saponins, steroids, tannins and triterpenesAnalgesic, antibacterial, antiviral, anticholinesterase, anti-inflammatory and antioxidant[68,114,115,116]
Cajanus cajan Coumarins, flavonoids, phenolics and stilbenesAntioxidant and anti-inflammatory[117]
Cassia abbreviata Anthocyanins, anthranoids, anthraquinones, polyphenols and tanninsAbortifacient, anti-diabetic, anti-inflammatory, antimicrobial, antiviral, antioxidant and hepatoprotective[118,119,120]
Colophospermum mopane Alkaloids, coumarins, diterpenes, flavonoids, polyphenols, proanthocyanidins, saponins, sterols and triterpenesAntibacterial, antiproliferation, antiprotease, antioxidant and cytotoxic[121]
Crotalaria laburnifolia AlkaloidsAnalgesic, anthelmintic and antimicrobial[122]
Dalbergia melanoxylon Alkaloids, flavonoids, glycosides and tanninsAnalgesic, anti-inflammatory, antimicrobial, antiviral, antioxidant and antipyretic[123,124,125]
Dalbergia nitidula FlavonoidsAntibacterial, antioxidant and cytotoxic[126,127]
Dalbergiella nyasae Alkaloids, flavonoids, saponins and terpenoidsAntifungal and antibacterial[128]
Dichrostachys cinerea Flavonoids, phenolics, sterols, tannins and triterpenesAnalgesic, antibacterial, anti-fungal, antiviral, anticonvulsant, anti-inflammatory, antimalarial, antioxidant, hepatoprotective and neuropharmacological[129,130,131,132]
Dolichos kilimandscharicus Flavonoids and saponinsAntibacterial, anticancer, antiproliferative and cytotoxic[133,134]
Elephantorrhiza burkei Alkaloids, flavonoids, glycosides, phenolics, saponins, tannins and triterpenoidsAntibacterial, antifungal, anti-HIV, antidiabetic, anti-inflammatory, antioxidant, cytotoxic and mutagenic[135,136]
Elephantorrhiza elephantina Anthocyanidins, anthraquinones, esters, fatty acids, flavonoids, glycosides, phenolics, saponins, sterols, tannins and triterpenoidsAnthelmintic, antibacterial, antifungal, anti-inflammatory, antinociceptive, antiplasmodial and antioxidant[137]
Elephantorrhiza goetzei Coumarins, flavonoids, phenolic, saponins, stilbenoids, tannins and triterpenoidsAnthelmintic, antibacterial, antifungal, antiviral, antioxidant and cytotoxic[138]
Eriosema englerianum Volatile oilsAntibacterial and antifungal[139]
Erythrina abyssinica Alkaloids, flavonoids and terpenoidsAntibacterial, antifungal, antiviral, antidiabetic, anti-inflammatory, antioxidant, antiplasmodial, antiproliferative and hepatoprotective[140,141,142,143,144]
Erythrina livingstoniana FlavonoidsAntibacterial and antioxidant[145,146,147]
Erythrophleum africanum Alkaloids, flavonoids, glycosides, saponins, steroids, tannins and terpenoidsAntibacterial, antifungal, antidote, antioxidant and toxic[148]
Erythrophleum suaveolens Alkaloids, flavonoids, sterols, stilbenoids and terpenoidsAntibacterial, antifungal, anticancer, anti-inflammatory and antioxidant[149]
Flemingia grahamiana Alkaloids, flavonoids, glycosides, phenolics, saponins, steroids, tannins and volatile oilsAntibacterial and anticancer[150,151]
Indigofera arrecta Alkaloids, flavonoids, glycosides, phenols, saponins, tannins and terpenoidsAntibacterial, antiviral and anticancer[152,153]
Indigofera astragalina Saponins and tanninsAntioxidant and cytotoxic[154]
Indigofera hirsuta Alkaloids, flavonoids and phenolicsAntidiabetic, anti-inflammatory and antioxidant[153]
Indigofera spicata Benzofuran, fatty acids, flavonoids, phthalate, rotenoids, saponins, steroids and triterpenesAnticancer, antidiabetic, antidiarrhoeal, antiplasmodial and cytotoxicity[153,155]
Julbernardia globiflora Fatty acids, lignin, proanthocyanidins and tanninsAnticancer[112,156]
Lessertia frutescens Amino acids, flavonoids, pinitol and triterpenesAnalgesic, antibacterial, anticonvulsant, antidiabetic, anti-HIV, anti-inflammatory, antiproliferative, antistress and antithrombotic[157]
Leucaena leucocephala Coumarins, flavonoids, phytol, sterols and triterpenesAntimicrobial, diuretic, antiviral, cytotoxic, antioxidant and anti-inflammatory[158,159,160,161]
Mucuna coriacea None foundBacterial and antiviral[162,163]
Mundulea sericea Coumarins, flavonoids, phenolic, saponins, steroids, tannins and volatile oilsAnalgesic, antibacterial, antifungal, antioxidant and insecticidal[164,165]
Neorautanenia mitis Alkaloids, flavonoids, glycosides, saponins and tanninsAntibacterial, antifungal and antinociceptive[166,167]
Ormocarpum kirkii Coumarins, flavonoids and triterpenoidsAntibacterial, antifungal, antimalarial, antiplasmodial and cytotoxicity[168]
Ormocarpum trichocarpum Aliphatic hydrocarbons, coumarins, diterpenoids, steroids and triterpenesAntimicrobial, antiplasmodial, antioxidant and antimutagenic[169,170,171]
Peltophorum africanum Benzenoids, coumarins, flavonoids, glycosides, phenolics, steroids, tannins and terpenesAnthelmintic, antibacterial, antifungal, antiviral, anti-inflammatory and antioxidant[141,162,163,172,173,174]
Pericopsis angolensis Flavonoids, saponins and tanninsAntimicrobial[107]
Phaseolus vulgaris Alkaloids, anthocyanins, esters, flavonoids, iridoids, lignans, phenolics, saponins, steroids, tannins and terpenoidsAnalgesic, antibacterial, antidiabetic, anti-inflammatory, antioxidant and hypocholesterolaemic[175,176]
Philenoptera violacea Alkaloids, flavonoids, glycosides, steroids, tannins and terpenoidsAnticancer and antioxidant[177]
Piliostigma thonningii Alkaloids, flavonoids, saponins, tannins, terpenes and volatile oilsAnalgesic, anthelminthic, antibacterial, antiviral, antimalarial, anti-inflammatory, antileishmanial, antioxidant, antipyretic and immunomodulatory[178,179,180,181,182]
Pseudarthria hookeri FlavonoidsAntibacterial and anticancer[183]
Pterocarpus angolensis Chalcones, deoxybenzoin, fatty acids, phenolics and terpenoidsAntibacterial, antifungal, antiviral, anticancer, anti-inflammatory, antioxidant and wound healing[184,185,186,187,188]
Pterocarpus rotundifolius Fatty acidsAntiacne, antityrosinase, antioxidant and cytotoxic[189]
Pterolobium stellatum Saponins, tannins and terpenoidsAntibacterial and antimycobacterial[190,191]
Rhynchosia insignis FlavonoidsAntibacterial and antifungal[192,193,194]
Rhynchosia minima Coumarins, flavonoids, steroids, tannins, triterpenes and volatile oilsAntibacterial, antifungal and antioxidant[47,192,194]
Rhynchosia resinosa Saponins, steroids and terpenoidsAntibacterial, antileishmanial, cytoprotective and cytotoxic[195,196]
Schotia brachypetala Anthocyanins, flavonoids, glycosides, phenols and tanninsAnti-acne, antibacterial, antimalarial, antioxidant, antityrosinase and cytotoxic[189,197,198]
Senegalia ataxacantha Alkaloids, coumarins, flavonoids, lignan, phenols, quinone, saponins, steroids, tannins and triterpenoidsAntibacterial, antifungal, antidiabetic, anti-inflammatory, antioxidant, laxative and ulceroprotective[199]
Senegalia mellifera Flavonoids, glycosides, phenols, saponins, tannins and terpenoidsAntibacterial, antifungal and cytotoxicity[200,201,202]
Senegalia nigrescens Flavonoids and triterpenoidsAntimicrobial, antioxidant and cytotoxicity[203]
Senna didymobotrya Alkaloids, flavonoids, phenolics, quinones, saponins, steroids, tannins and terpenoidsAntibacterial[204,205]
Senna italica Alkaloids, anthocyanins, flavonoids, steroids and tanninsAntibacterial, antifungal, anticancer and antioxidant[206,207,208]
Senna occidentalis Alkaloids, anthraquinones, anthrones, flavonoids, saponins, sterols and volatile oilsAntibacterial, antifungal, anticancer, antidiabetic, anti-inflammatory, antimutagenic, antiprotozoal and hepatoprotective[208,209]
Senna petersiana FlavonoidsAntibacterial and cytotoxic[135]
Senna singueana Alkaloids, anthraquinones, proanthocyanidins, phenols, saponins, sterols, tannins, terpenes and volatile oilsAntimalarial, antinociceptive, antioxidant, hepatoprotective and trypanocidal[198,208]
Senna septemtrionalis Anthraquinones, benzoic acids, carboxylic acids and flavonoidsAnticonvulsant, anti-inflammatory, diuretic and antinociceptive[208,210,211]
Sphenostylis erecta Flavonoids and sphenostylinsAntifungal, antioxidant and cytotoxicity[212]
Tamarindus indica Amino acids, fatty acids and tanninsAntibacterial, antifungal, antiviral, antidiabetic, anti-inflammatory, antinematodal, antioxidant, cytotoxic and molluscicidal[213]
Tylosema fassoglense Alkaloids, flavonoids, glycosides, phenolics, quinones, saponins, steroids, tannins and terpenoidsAntibacterial and anticancer[214,215]
Vachellia karroo Flavonoids, phenols, proanthocyanidin, sterols, tannins and terpenoidsAnalgesic, antibacterial, antifungal, antiviral, antihelmintic, anti-inflammatory, antimalarial and antioxidant[216]
Vachellia nilotica Alkaloids, fatty acids, flavonoids and tanninsInhibition of acetylcholinesterase, anthelmintic, antibacterial, anticancer, antihypertensive, anti-inflammatory, antioxidant and antiplatelet[217]
Vachellia rehmanniana None foundAnti-inflammatory[218]
Vachellia sieberiana Flavonoids, glycosides, phenolics, quinones, saponins and tanninsAntibacterial and anticancer[219,220]
Vigna unguiculata Flavonoids and phenolicsAcetylcholinesterase inhibition, anthelmintic, antibacterial, antifungal, antiviral, antidiabetic, anti-inflammatory, antioxidant, antinociceptive and hypocholesterolaemic[221,222,223,224,225]
Xeroderris stuhlmannii Alkaloids, flavonoids, phenols, steroids and terpenoidsAntibacterial, antiviral, anticancer, anti-inflammatory, antioxidant and antiproliferative[226,227,228]

* “No report found” means that no record of the phytochemical or pharmacological properties were found in the literature.

4. Conclusions

This review is a compilation of literature sources on the Fabaceae species used as traditional medicines in Zimbabwe, providing an important repository of ethnopharmacological data required for future studies. The Fabaceae family is characterized by several species used as traditional medicines for the treatment and management of different ailments and diseases. The literature search showed that there is a paucity of information on the cultural practices associated with usage of Fabaceae species, including information on their dosages and administration. Therefore, there is a need for ethnobotanical research into and documentation of the cultural value of the Fabaceae species in Zimbabwe. Fabaceae species that are exotic to Zimbabwe are also used as sources of traditional medicines, corroborating the general observation that traditional pharmacopoeias are not static social institutions but fluid and dynamic, characterized by the addition of exotic plant species as herbal medicines.

Several Fabaceae species used as traditional medicines are known to contain bioactive compounds which have demonstrated diverse pharmacological properties against several disease-causing pathogens. Plant extracts and phytochemical compounds isolated from Fabaceae species have shown inhibition of the acetylcholinesterase enzyme and many other properties, such as antitumor, antidiabetic, antifertility, anthelmintic, antiamoebic, anti-inflammatory, antimicrobial, antioxidant, antiparasitic, cytotoxic, hepatoprotective, hypoglycaemic and immunomodulatory. However, the majority of the studied biological activities have mainly been in vitro assays, while clinical and in vivo studies are lacking. It is recommended that the unstudied biological activities of the medicinal species should be investigated to unravel the therapeutic potential of the considered Fabaceae species, using both in vitro and in vivo models. Furthermore, the toxicological properties of these species should be evaluated and the mechanism of action of the identified phytochemicals should be elucidated based on their pharmacological properties.

Funding Statement

This research was funded by the University of Fort Hare, grant number R188.

Data Availability Statement

Not applicable.

Conflicts of Interest

The author declares no conflict of interest.

Footnotes

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University of Fort Hare (1)