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Valorization of angolan native plants: Nutritional composition, phenolic profile and bioactive potential of Commelina africana, Dombeya rotundifolia and Lablab purpureus leaves

2026Artigo científico Acesso aberto
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datacite.subject.fosCiências Agrárias::Biotecnologia Agrária e Alimentar
datacite.subject.fosCiências Naturais::Ciências Biológicas
datacite.subject.sdg02:Erradicar a Fome
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg15:Proteger a Vida Terrestre
dc.contributor.authorBastos, Claudete
dc.contributor.authorLiberal, Ângela
dc.contributor.authorSilveira, Tayse F. F. da
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorPereira, Carla
dc.contributor.authorPires, Tânia C.S.P.
dc.contributor.authorMandim, Filipa
dc.contributor.authorMoldão, Margarida
dc.contributor.authorCatarino, Luís
dc.contributor.authorBarros, Lillian
dc.date.accessioned2026-06-19T13:25:25Z
dc.date.available2026-06-19T13:25:25Z
dc.date.issued2026
dc.description.abstractCommelina africana L., Dombeya rotundifolia (Hochst.) Planch. and Lablab purpureus (L.) Sweet are wild edible plants (WEPs) native to Africa, traditionally used in rural Angolan communities. This study characterizes their nutritional, chemical, and bioactive properties, with carbohydrates and proteins predominating as macronutrients across all species. Monounsaturated and polyunsaturated fatty acids were most abundant in D. rotundifolia and C. africana. Phenolic profiling revealed that C. africana was mainly characterized by p-coumaroyl malic acid and caffeoyl shikimic acid, whereas D. rotundifolia contained majorly flavan-3-ols, including epicatechin and B-type procyanidin oligomers. In contrast, L. purpureus exhibited the highest total phenolic content overall. The hydroethanolic extract of D. rotundifolia exhibited the highest efficacy against foodborne and clinical bacteria and inhibition of cancer cell proliferation. This integrated characterization demonstrates that these underutilized WEPs offer substantial dual nutritional and bioactive value, supporting their traditional use and potential for nutraceuticals and food applications.eng
dc.description.sponsorshipThis work was financially supported by national funds through FCT/ MCTES (PIDDAC): CIMO, UIDB/00690/2020 (DOI: 10.54499/UIDB/ 00690/2020) and UIDP/00690/2020 (DOI: 10.54499/UIDP/00690/ 2020); and SusTEC, LA/P/0007/2020 (DOI: 10.54499/LA/P/0007/ 2020); LEAF (UIDB/04129/2020; DOI: 10.54499/UIDB/04129/2020), cE3c (UIDB/00329/2020; DOI:10.54499/UIDB/00329/2020), and CHANGE (LA/P/0121/2020; DOI: 10.54499/LA/P/0121/2020) research centres and associated laboratories. To the Agenda VIIAFOOD - Platform for Valorization, Industrialization and Commercial Innovation for Agrifood (no. C644929456-00000040) for T. F.F. da Silveira con tract, a project supported under the PRR (www.recuperarportugal.gov. pt), and financed by the European Union /Next Generation EU. L. Bar ros thanks FCT through the institutional scientific employment gram–contract for her contract (CEEC-INST, DOI: 10.54499/CEECINST/ 00107/2021/CP2793/CT0002). C. Bastos would like to thank the Foundation for Science and Technology of Portugal (FCT) for her PhD scholarship with the reference
dc.identifier.citationBastos, Claudete; Liberal, Angela; Da Silveira, Tayse F.F.; Ferreira, Isabel C.F.R.; Pereira, Carla; Mandim, Filipa; Moldao, Margarida; Catarino, Luis; Barros, Lillian (2026). Valorization of angolan native plants: Nutritional composition, phenolic profile and bioactive potential of Commelina africana, Dombeya rotundifolia and Lablab purpureus leaves. South African Journal of Botany. ISSN 0254-6299. 194, p. 273-285
dc.identifier.doi10.1016/j.sajb.2026.05.017
dc.identifier.issn0254-6299
dc.identifier.urihttp://hdl.handle.net/10198/36911
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationMountain Research Center - UIDB/00690/2020
dc.relationMountain Research Center - UIDP/00690/2020
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions - LA/P/0007/2020
dc.relationLinking Landscape, Environment, Agriculture and Food
dc.relationCentre for Ecology, Evolution and Environmental Changes
dc.relationCHANGE - Global Change and Sustainability Institute
dc.relationVIIAFOOD - Plataforma de Valorização, Industrialização e Inovação comercial para o AgroAlimentar (n.º C644929456-00000040)
dc.relationInvestigação em alimentos e soluções de base biológica - CEECINST/00107/2021/CP2793/CT0002
dc.relation.ispartofSouth African Journal of Botany
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAngola biodiversity
dc.subjectBioactive properties
dc.subjectPhenolic compounds
dc.subjectPhytochemical characterization
dc.subjectWild edible plants
dc.titleValorization of angolan native plants: Nutritional composition, phenolic profile and bioactive potential of Commelina africana, Dombeya rotundifolia and Lablab purpureus leaveseng
dc.typejournal article
dspace.entity.typePublication
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oaire.citation.endPage285
oaire.citation.startPage273
oaire.citation.titleSouth African Journal of Botany
oaire.citation.volume194
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