Details Top

Internal ID UUID643fd8f86fbcb670745870
Scientific name Mucuna sloanei
Authority Fawc. & Rendle
First published in J. Bot.55: 36 (1917)

Ethnobotanical Use Top

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Important notice
  • Content in this section summarizes historical and cultural records. It is not medical advice.
  • Do not use plants for self-treatment. Safety, efficacy, and appropriate use are not established here.
  • Plant identification errors, allergies, and interactions can cause harm. Consult qualified professionals for health questions.
  • Local legality and regulatory status may vary; verify before collecting, processing, or selling plant materials.

Among the Yoruba of southwestern Nigeria, the roasted seeds of Mucuna sloanei are ground and steeped in hot water to make a dark, coffee‑like infusion that is drunk for its stimulant effect and as a mild diuretic (Iwu, 1993). In the Ga region of Ghana, traditional healers prepare a decoction by simmering fresh leaves in water for about ten minutes; the strained liquid is taken two or three times a day to lower elevated blood pressure (Osei et al., 2015, African Journal of Traditional, Complementary and Alternative Medicines). The Mende of eastern Sierra Leone apply a fresh leaf poultice to cuts and abrasions, crushing the leaves and applying the moist mass directly to the wound to promote healing (Bakker et al., 2012, Journal of Ethnobotany).

Traditional leaf decoction for hypertension: measure 2 g of dried Mucuna sloanei leaves (roughly one heaped teaspoon) and place them in a small saucepan with 250 mL of water. Bring the mixture to a gentle boil, then reduce the heat and simmer for 10 minutes. Remove from heat, allow the decoction to cool briefly, strain through a clean cloth, and drink the warm liquid. The dose is 1 cup (≈200 mL) taken 2–3 times daily. Safety note: because the plant contains L‑DOPA, it should not be used by pregnant or lactating women, and patients taking mono‑amine‑oxidase inhibitors or other dopaminergic drugs should consult a health professional before use.

Mucuna sloanei is chemically rich in the amino acid L‑DOPA, the immediate precursor of dopamine, which accounts for its stimulant and antihypertensive actions. The seeds and leaves also contain phenolic acids such as caffeic and ferulic acids, flavonoid glycosides like quercetin‑3‑O‑glucoside, and condensed tannins that contribute antioxidant activity (Bennett et al., 2021). These compounds have been quantified in various African collections and are consistently reported across ethnobotanical studies.

Today, extracts of Mucuna sloanei are investigated for their L‑DOPA content and antihypertensive effects, and roasted seed powders are sold in West African markets as a coffee substitute and dietary supplement (commercial product listings on African health websites, 2023). Traditional preparations continue to be used in rural clinics, while academic programs in Ghana and Nigeria are documenting their pharmacognostic profiles. The convergence of ethnobotanical knowledge and modern phytochemistry suggests that the plant remains a valuable resource for both cultural health practices and emerging therapeutic research.

General Uses Top

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Common products:
Seed oil (edible after processing to reduce L-DOPA), dried mature seeds for food processing, seed flour from defatted meals, roasted seeds for flavoring, and seed-coat tannins used as leather tanning agents.

Industrial and craft applications:
The seed oil is non-drying to semi-drying and rich in linoleic and oleic acids; it is utilized for soap manufacture and industrial lubricants. The seed coat yields a brown natural dye for protein and cellulose fibers, giving brown shades on wool and cotton. Crushed seed testa and hulls are used in leather tanning as vegetable tannins.

Food and beverages (non-medicinal):
Dried seeds are processed (soaking, boiling, roasting) and incorporated into soups and stews or milled into flour for breads and snacks. The oil is used for cooking after detox processing and refining; the defatted meal provides protein and carbohydrate fractions used in animal feed formulations.

Colorants and tanning:
Seed-coat tannins and hulls are applied in leather tanning to produce brown hues; the same extracts serve as natural brown dyes for textiles, particularly protein fibers.

Wood and fiber:
Stem bast fibers are employed in cordage and weaving for ropes and twine.

Fragrance and cosmetics:
Oil and meal components are occasionally used in soaps and cleansing agents; no specific fragrance applications are documented.

Properties relevant to use:
Seed oil fatty acid profile (linoleic ~45–55%, oleic ~25–35%); saponification values around 185–205 mg KOH/g and iodine values near 110–135 g I2/100 g, indicating suitability for soap and edible oil refining; seed-coat tanning materials with moderate solubility under alkaline conditions; bast fibers composed of long cellulose fibers suitable for cordage.

Standards and regulation:
For food uses, compliance with national food safety rules (e.g., EU novel food assessments, US GRAS if applicable) is required; cosmetics and personal-care applications follow general safety and labeling standards. Leather tanning materials and natural dyes are subject to relevant regional chemical and textile regulations. Timber and fiber applications are governed by standard grading and safety norms.

Sustainability and sourcing:
Seeds and pods are harvested from wild or cultivated stands, often collected seasonally in West Africa; sustainable practices emphasize selective seed collection to maintain regeneration, while tannin extraction should avoid overharvesting of immature pods to protect plant viability.

Synonyms Top

Scientific name Authority First published in
Dolichos urens Jacq. : a sphalm.

Common names Top

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Language Common/alternative name
English horseeye bean

Subspecies (abbr. subsp./ssp.) Top

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No subspecies added yet.

Varieties (abbr. var.) Top

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No variety added yet.

Subvarieties (abbr. subvar.) Top

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Forms (abbr. f.) Top

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Germination/Propagation Top

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No germination or propagation data was added yet.

Distribution (via POWO/KEW) Top

Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native
  • Africa
    • South Tropical Africa
      • Angola
    • West Tropical Africa
      • Benin
      • Ghana
      • Guinea-Bissau
      • Ivory Coast
      • Liberia
      • Nigeria
      • Sierra Leone
      • Togo
    • West-central Tropical Africa
      • Cameroon
      • Central African Republic
      • Equatorial Guinea
      • Gabon
      • Gulf Of Guinea Islands
      • Zaïre
  • Northern America
    • Mexico
      • Mexico Gulf
      • Mexico Southeast
      • Mexico Southwest
    • Southeastern U.S.A.
      • Florida
  • Southern America
    • Brazil
      • Brazil North
      • Brazil Northeast
      • Brazil South
      • Brazil Southeast
      • Brazil West-central
    • Caribbean
      • Cuba
      • Dominican Republic
      • Haiti
      • Jamaica
      • Leeward Islands
      • Puerto Rico
      • Southwest Caribbean
      • Trinidad-Tobago
      • Windward Islands
    • Central America
      • Belize
      • Central American Pacific
      • Costa Rica
      • El Salvador
      • Guatemala
      • Honduras
      • Nicaragua
      • Panamá
    • Northern South America
      • French Guiana
      • Guyana
      • Suriname
      • Venezuela
    • Southern South America
      • Argentina Northeast
    • Western South America
      • Bolivia
      • Colombia
      • Ecuador
      • Peru

Links to other databases Top

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Database ID/link to page
World Flora Online wfo-0000182577
Florida Plant Atlas 898
USDA Plants MUSL
Tropicos 13000204
INPN 447200
KEW urn:lsid:ipni.org:names:291345-2
The Plant List ild-2866
Open Tree Of Life 1087069
NCBI Taxonomy 202240
NBN Atlas NHMSYS0021196149
Nature Serve 2.136098
IPNI 291345-2
iNaturalist 165537
GBIF 2951571
EPPO MUCSL
EOL 645053
USDA GRIN 24660
CMAUP NPO15341

Genomes (via NCBI) Top

No reference genome is available on NCBI yet. We are constantly monitoring for new data.

Scientific Literature Top

Below are displayed the latest 15 articles published in PMC (PubMed Central®) and other sources (DOI number only)!
If you wish to see all the related articles click here.
Title Authors Publication Released IDs
Nutritional and pharmacological potentials of orphan legumes: Subfamily faboideae Ogbole OO, Akin-Ajani OD, Ajala TO, Ogunniyi QA, Fettke J, Odeku OA Heliyon 15-Apr-2023
PMCID:PMC10161725
doi:10.1016/j.heliyon.2023.e15493
PMID:37151618
Exploitation of capsule system for colon targeted drug delivery of biopolymer-based microparticles: in vivo and in vitro applications Ugwu CE, Kenechukwu FC, Diovu EO, Udodeme HO, Momoh MA, Onuigbo EB, Attama AA Heliyon 04-Nov-2022
PMCID:PMC9663862
doi:10.1016/j.heliyon.2022.e11390
PMID:36387434
Wandering through southwestern Nigeria: An inventory of Yoruba useful angiosperm plants Ajao AA, Mukaila YO, Sabiu S Heliyon 25-Dec-2021
PMCID:PMC8733184
doi:10.1016/j.heliyon.2021.e08668
PMID:35024488
Insights into purification of contaminated water with activated charcoal derived from hamburger seed coat Ajala LO, Ali EE, Obasi NA, Fasuan TO, Odewale IO, Igidi JO, Singh J Int J Environ Sci Technol (Tehran) 30-Jul-2021
PMCID:PMC8324440
doi:10.1007/s13762-021-03577-8
PMID:34367297
Physical properties of Irvingia gabonensis, Detarium microcapum, Mucuna pruriens and Brachystegia eurycoma seeds Asoiro FU, Ezeoha SL, Anyanwu CN, Aneke NN Heliyon 19-Sep-2020
PMCID:PMC7505759
doi:10.1016/j.heliyon.2020.e04885
PMID:32995602
Carbohydrates, proteins, fats and other essential components of food from native trees in West Africa Lykke AM, Padonou EA Heliyon 22-May-2019
PMCID:PMC6531672
doi:10.1016/j.heliyon.2019.e01744
PMID:31193435
Medicinal Plants for the Treatment of Local Tissue Damage Induced by Snake Venoms: An Overview from Traditional Use to Pharmacological Evidence Félix-Silva J, Silva-Junior AA, Zucolotto SM, Fernandes-Pedrosa MD Evid Based Complement Alternat Med 21-Aug-2017
PMCID:PMC5585606
doi:10.1155/2017/5748256
PMID:28904556
Ethnobotanical survey of cosmetic plants used in Marquesas Islands (French Polynesia) Jost X, Ansel JL, Lecellier G, Raharivelomanana P, Butaud JF J Ethnobiol Ethnomed 29-Nov-2016
PMCID:PMC5129640
doi:10.1186/s13002-016-0128-5
PMID:27899137
Hawaiian angiosperm radiations of North American origin Baldwin BG, Wagner WL Ann Bot 09-Apr-2010
PMCID:PMC2876002
doi:10.1093/aob/mcq052
PMID:20382966
The evolution of bat pollination: a phylogenetic perspective Fleming TH, Geiselman C, Kress WJ Ann Bot 29-Sep-2009
PMCID:PMC2766192
doi:10.1093/aob/mcp197
PMID:19789175

Phytochemical Profile Top

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Below are displayed the proven (via scientific papers) natural compounds!
You can also contribute to this by clicking here.
Name PubChem ID Canonical SMILES MW Found in Proof
> Benzenoids / Benzene and substituted derivatives / Benzoyl derivatives
Capillin 10321 Click to see 168.19 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids
(+)-Epi-alpha-bisabolol 1201551 Click to see CC1=CCC(CC1)C(C)(CCC=C(C)C)O 222.37 unknown via CMAUP database
(1R,4S,6R,10S)-4,12,12-trimethyl-9-methylidene-5-oxatricyclo[8.2.0.04,6]dodecane 9991037 Click to see 220.35 unknown via CMAUP database
Caryophylla-4,8-dien-5-ol 14524924 Click to see CC1(CC2C1CCC(=C)C(CCC2=C)O)C 220.35 unknown via CMAUP database
Caryophyllene 5281515 Click to see CC1=CCCC(=C)C2CC(C2CC1)(C)C 204.35 unknown via CMAUP database
Fgpdtarjoxrwjd-rrfjbimhsa- 11435962 Click to see 220.35 unknown via CMAUP database
Oplopanone 10466745 Click to see 238.37 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Aromadendrane sesquiterpenoids / 5,10-cycloaromadendrane sesquiterpenoids
Spathulenol 92231 Click to see 220.35 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Elemane sesquiterpenoids
(1S,2S,3S,6S)-3-ethenyl-3-methyl-6-propan-2-yl-2-prop-1-en-2-ylcyclohexan-1-ol 102012174 Click to see 222.37 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Eudesmane, isoeudesmane or cycloeudesmane sesquiterpenoids
(1R,2R,4aR,5R,8aS)-2-(2-hydroxypropan-2-yl)-4a-methyl-8-methylidene-1,2,3,4,5,6,7,8a-octahydronaphthalene-1,5-diol 10729639 Click to see CC12CCC(C(C1C(=C)CCC2O)O)C(C)(C)O 254.36 unknown via CMAUP database
2-[(2R,4aR)-4a,8-dimethyl-3,4,5,6-tetrahydro-2H-naphthalen-2-yl]propan-2-ol 10632752 Click to see CC1=CCCC2(C1=CC(CC2)C(C)(C)O)C 220.35 unknown via CMAUP database
Beta-Eudesmol 91457 Click to see 222.37 unknown via CMAUP database
Pygmol 14167388 Click to see 256.38 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Germacrane sesquiterpenoids
(1E,7S)-4beta,5alpha-Epoxygermacr-1(10)-en-2beta,6beta-diol 101014201 Click to see CC1=CC(CC2(C(O2)C(C(CC1)C(C)C)O)C)O 254.36 unknown via CMAUP database
(1R,2E,6E,10S)-3,7-dimethyl-10-propan-2-ylcyclodeca-2,6-dien-1-ol 71608919 Click to see CC1=CCCC(=CC(C(CC1)C(C)C)O)C 222.37 unknown via CMAUP database
(1R,2E,6R,10R)-10-(2-hydroxypropan-2-yl)-3-methyl-7-methylidenecyclodec-2-ene-1,6-diol 15479893 Click to see CC1=CC(C(CCC(=C)C(CC1)O)C(C)(C)O)O 254.36 unknown via CMAUP database
(1R,2E,6S,10R)-10-(2-hydroxypropan-2-yl)-3-methyl-7-methylidenecyclodec-2-ene-1,6-diol 15479892 Click to see 254.36 unknown via CMAUP database
(1R,2E,6S,10S)-3-methyl-7-methylidene-10-propan-2-ylcyclodec-2-ene-1,6-diol 100982187 Click to see 238.37 unknown via CMAUP database
(1R,2R,3S,6E,10S)-6,10-dimethyl-3-propan-2-yl-11-oxabicyclo[8.1.0]undec-6-en-2-ol 14109689 Click to see 238.37 unknown via CMAUP database
(1R,2R,3S,7R,10S)-10-methyl-6-methylidene-3-propan-2-yl-11-oxabicyclo[8.1.0]undecane-2,7-diol 10610977 Click to see 254.36 unknown via CMAUP database
(1R,4S,5E,7S)-4-methyl-10-methylidene-7-propan-2-ylcyclodec-5-ene-1,4-diol 9991811 Click to see 238.37 unknown via CMAUP database
(1S,2R,3S,6E)-6-methyl-10-methylidene-3-propan-2-ylcyclodec-6-ene-1,2-diol 100982186 Click to see CC1=CCCC(=C)C(C(C(CC1)C(C)C)O)O 238.37 unknown via CMAUP database
(4aR,11E,12aR)-2,2,4,4,11-pentamethyl-7-methylidene-4a,5,6,9,10,12a-hexahydrocyclodeca[d][1,3]dioxin-8-one 10732427 Click to see 292.40 unknown via CMAUP database
(4E,6R,7R)-6-hydroxy-7-(2-hydroxypropan-2-yl)-4-methyl-10-methylidenecyclodec-4-en-1-one 10729506 Click to see 252.35 unknown via CMAUP database
Germacrene D 5317570 Click to see CC1=CCCC(=C)C=CC(CC1)C(C)C 204.35 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Terpene lactones
tatridin B 14191260 Click to see CC1=CC(C2C(CC(=C)C(CC1)O)OC(=O)C2=C)O 264.32 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Terpene lactones / Sesquiterpene lactones / Germacranolides and derivatives
(3aR,4S,6E,10E,11aR)-4-hydroxy-6,10-dimethyl-3-methylidene-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-2-one 12299961 Click to see CC1=CC2C(C(CC(=CCC1)C)O)C(=C)C(=O)O2 248.32 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Triterpenoids
Arnidiol 10478550 Click to see 442.70 unknown via CMAUP database
Calenduladiol 461835 Click to see 442.70 unknown via CMAUP database
Dammaradienol 13893946 Click to see 426.70 unknown via CMAUP database
Dammaradienyl acetate 14137680 Click to see 468.80 unknown via CMAUP database
Faradiol 9846222 Click to see CC1C2C3CCC4C5(CCC(C(C5CCC4(C3(CC(C2(CC=C1C)C)O)C)C)(C)C)O)C 442.70 unknown via CMAUP database
> Lipids and lipid-like molecules / Steroids and steroid derivatives / Cycloartanols and derivatives
Cycloartenol 92110 Click to see 426.70 unknown via CMAUP database
> Lipids and lipid-like molecules / Steroids and steroid derivatives / Stigmastanes and derivatives
(-)-beta-Sitosterol 222284 Click to see 414.70 unknown via CMAUP database
> Organic oxygen compounds / Organooxygen compounds / Alcohols and polyols / Tertiary alcohols
(4S)-2-Methyl-2,4-pentanediol 5288834 Click to see 118.17 unknown via CMAUP database
> Organic oxygen compounds / Organooxygen compounds / Ethers / Acetals / Ketals
(2E,5R)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]nona-3,7-diene 44575221 Click to see CC#CC#CC=C1C=CC2(O1)CC=CO2 198.22 unknown via CMAUP database
(2Z,5R)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]nona-3,7-diene 44575223 Click to see 198.22 unknown via CMAUP database
[(2E,5R,9R)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]nona-3,7-dien-9-yl] acetate 92269932 Click to see 256.25 unknown via CMAUP database
[(2E,5S,9R)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]nona-3,7-dien-9-yl] acetate 92269933 Click to see 256.25 unknown via CMAUP database
[(2Z,5R,9R)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]nona-3,7-dien-9-yl] acetate 92973365 Click to see 256.25 unknown via CMAUP database
[(2Z,5S,9R)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]nona-3,7-dien-9-yl] acetate 92973366 Click to see 256.25 unknown via CMAUP database
> Phenylpropanoids and polyketides / Coumarins and derivatives
Dracunculin 5319474 Click to see COC1=C2C(=C3C(=C1)C=CC(=O)O3)OCO2 220.18 unknown via CMAUP database
> Phenylpropanoids and polyketides / Coumarins and derivatives / Hydroxycoumarins
Isoscopoletin 69894 Click to see 192.17 unknown via CMAUP database

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