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Antioxidant activity and verbascoside content in extracts from two uninvestigated endemic Plantago spp.

2015Journal article Restricted access
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dc.contributor.authorGonçalves, Sandra
dc.contributor.authorGrevenstuk, Tomás
dc.contributor.authorMartins, Neusa
dc.contributor.authorRomano, Anabela
dc.date.accessioned2015-06-18T10:12:35Z
dc.date.available2015-06-18T10:12:35Z
dc.date.issued2015
dc.description.abstractThis work describes for the first time the antioxidant activity of extracts from wild plants and in vitro cultures of two previously uninvestigated Plantago spp. endemic to Portugal, Plantago algarbiensis Samp. and Plantago almogravensis Franco. The Well-known and widely distributed species Plantago lagopus L. was also studied for comparison. Although the extracts from the three species exhibited radical scavenging and iron-reducing properties, the extracts from the two endemic species showed greater activity irrespectively of plant material source. Both P. algarbiensis extracts showed similar antioxidant activity whereas, in the case of P. almogravensis higher activity was observed for extracts from wild plants compared to extracts from in vitro cultures. Liquid chromatography-diode array detection analyses indicate verbascoside as a major constituent of all extracts and the highest content was obtained from in vitro cultures algarbiensis. In addition, a high correlation-between-the anti-oxidant-activity measured with three. methods and the total phenolic content was found, but no correlation was observed between antioxidant activity and verbascoside content. The results suggest that P. algarbiensis and P. almogravensis are sources of health-beneficial phytochemicals and indicate that in vitro cultures represent a promising alternative for the biosynthesis of verbascoside. (C) 2014 Elsevier B.V. All rights reserved.
dc.identifier.doihttps://dx.doi.org/10.1016/j.indcrop.2014.12.011
dc.identifier.issn0926-6690
dc.identifier.otherAUT: ARO01015;
dc.identifier.urihttp://hdl.handle.net/10400.1/6410
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.isbasedonP-00A-20W
dc.subjectEndemic species
dc.subjectLiquid chromatography–diode array detection
dc.subjectPhenolics
dc.subjectRadical scavenging
dc.subjectReducing power
dc.subjectVerbascoside
dc.titleAntioxidant activity and verbascoside content in extracts from two uninvestigated endemic Plantago spp.
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage202
oaire.citation.startPage198
oaire.citation.titleIndustrial Crops and Products
oaire.citation.volume65
person.familyNameGonçalves
person.familyNameGrevenstuk
person.familyNameRomano
person.givenNameSandra
person.givenNameTomás
person.givenNameAnabela
person.identifier.ciencia-id9F19-E3AE-2C59
person.identifier.ciencia-idB31A-EC35-5A31
person.identifier.ciencia-id1D1A-4459-86D8
person.identifier.ciencia-id8A18-7E9A-3B0E
person.identifier.orcid0000-0002-3038-4434
person.identifier.orcid0000-0003-0779-3018
person.identifier.orcid0000-0003-4333-2905
person.identifier.orcid0000-0002-7204-7428
person.identifier.ridM-6988-2017
person.identifier.scopus-author-id8583003200
person.identifier.scopus-author-id24329026400
person.identifier.scopus-author-id56249997600
rcaap.rightsrestrictedAccess
rcaap.typearticle
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relation.isAuthorOfPublication.latestForDiscoverya8b335b2-45cc-4578-89b0-153273014280

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