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Biological activities and valuable bioactive compounds from portuguese medicinal plants

2021-05Book part Restricted access
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dc.contributor.authorFerreira da Vinha, Ana
dc.contributor.authorSilva, Carla Sousa e
dc.date.accessioned2021-05-31T14:42:28Z
dc.date.available2021-05-31T14:42:28Z
dc.date.issued2021-05
dc.description.abstractCurrently, there are more than 85,000 plant species that have been documented for medical use globally. This implies, plant derived natural products hold great promise for discovery and development of new pharmaceuticals in diverse human ailments. The lack of effective pharmaceutical formulas and the resistance created by current antibiotic pathogens, as well as oxidative stress new therapeutic agents from plants. In fact, several studies have shown that medicinal plants possess antioxidant properties due largely to their phytochemical profile. Endemic plants can be a source of new bioactive compounds able to prevent several diseases such as cancer, diabetes, hypertension, and Alzheimer’s disease by combating oxidative stress and its associated pathologies. The purpose of this study was to evaluate the contents of total phenolics, flavonoids, and caffeine in six medicinal plants used traditionally in phytotherapy, usually consumed as tea or infusion namely: Camellia sinensis, Melissa officinalis, Lippia citriodora, Cymbopogon citratus, Matricaria chamomilla, and Tilia cordata. Significant variations in total phenolics and flavonoids content were found among analyzed plants and depending on the nature of the extract. The concentration of caffeine was also very dissimilar and followed the sequence M. officinalis < T. cordata < C. citratus < M. chamomilla < L. citriodora < C. sinensis. Also, the antioxidant activity of each plant was found to vary according to C. citratus (90.9%) > C. sinensis (87.8%) > M. officinalis (50.7%) > M. chamomilla (45.3%) > T. cordata (32.2%) > L. citriodora (28.0%).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationVinha, A.F., Sousa, C. 2021. Biological activities and valuable bioactive compounds from portuguese medicinal plants. In: Cutting-edge Research in Agricultural Sciences, Vol. 9, pp. 46-61. Doi: 10.9734/bpi/cras/v9/3207D. ISBN 978-93-90888-75-7 (Print) e ISBN 978-93-90888-83-2 (e Book). PB Internationalpt_PT
dc.identifier.doi10.9734/bpi/cras/v9/3207Dpt_PT
dc.identifier.isbn978-93-90888-75-7
dc.identifier.isbn978-93-90888-83-2 (e Book)
dc.identifier.urihttp://hdl.handle.net/10284/9944
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherB P Internationalpt_PT
dc.relation.publisherversionhttps://www.bookpi.org/bookstore/product/cutting-edge-research-in-agricultural-sciences-vol-9/pt_PT
dc.subjectMedicinal plantspt_PT
dc.subjectCaffeinept_PT
dc.subjectPhenolicspt_PT
dc.subjectFlavonoidspt_PT
dc.subjectAntioxidant activitypt_PT
dc.titleBiological activities and valuable bioactive compounds from portuguese medicinal plantspt_PT
dc.typebook part
dspace.entity.typePublication
oaire.citation.endPage61pt_PT
oaire.citation.startPage46pt_PT
oaire.citation.titleCutting-edge Research in Agricultural Sciencespt_PT
oaire.citation.volume9pt_PT
person.familyNameMendes Ferreira da Vinha
person.familyNameSilva
person.givenNameAna Cristina
person.givenNameCarla
person.identifier.ciencia-id011A-FCBD-DC66
person.identifier.ciencia-id2E1D-05DF-E0DB
person.identifier.orcid0000-0002-6116-9593
person.identifier.orcid0000-0001-6467-4766
person.identifier.ridD-8159-2013
rcaap.rightsrestrictedAccesspt_PT
rcaap.typebookPartpt_PT
relation.isAuthorOfPublicationb09696c0-d5ea-4218-a5e4-63a3f6288d83
relation.isAuthorOfPublication741eff47-ffdf-4a5f-b763-3ada0062b1b8
relation.isAuthorOfPublication.latestForDiscoveryb09696c0-d5ea-4218-a5e4-63a3f6288d83

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