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Tuberaria lignosa preparations: influence of drying methods and oral dosage forms on antioxidant properties and phytochemical composition

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dc.contributor.authorPinela, José
dc.contributor.authorBarros, Lillian
dc.contributor.authorDueñas, Montserrat
dc.contributor.authorCarvalho, Ana Maria
dc.contributor.authorSantos-Buelga, Celestino
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2013-01-21T11:55:35Z
dc.date.available2013-01-21T11:55:35Z
dc.date.issued2012
dc.description.abstractMany herbal beverages used in folk medicine have pharmacological properties connected with the presence of antioxidants such as phenolic compounds. Tuberaria lignosa (Sweet) Samp. (Cistaceae) is one of the most popular medicinal plants in several regions of the Iberian Peninsula used to prepare herbal infusions or decoctions. In the present work, the effects of drying (freeze or shade-drying) and preparation methods (water infusion or decoction) on the antioxidant activity and phytochemical composition of wild and commercial samples of Tuberaria lignosa were evaluated. Infusion of the freeze-dried wild sample led to the highest levels of sugars, while infusion of shade-dried wild sample and decoction of the freeze-dried sample retained the highest ascorbic acid and phenolic compounds levels These two samples revealed the highest antioxidant activity, even higher, in some cases, than trolox Decoctions had lower amounts of disaccharides than infusions, which seemed to be hydrolyzed increasing the content in monosaccharides. Commercial samples showed much lower contents in phenolic compounds, mainly in ellagitanins and flavonoids, as also the lowest antioxidant activity. Data give scientific evidence to folk medicinal uses of Tuberaria lignosa. highlighting the interest of its decoctions and infusions as sources of bioactive compounds (e.g. phenolic compounds and ascorbic acid).por
dc.identifier.citationPinela, José; Barros, Lillian; Dueñas, Montserrat; Carvalho, Ana Maria; Santos-Buelga, Celestino; Ferreira, Isabel C.F.R. (2012). The potential of Tuberaria lignosa preparations: influence of drying methods and oral dosage forms on antioxidant properties and phytochemical composition. In 13th Congress of the International Society for Ethnopharmacology. Grazpor
dc.identifier.urihttp://hdl.handle.net/10198/7989
dc.language.isoengpor
dc.peerreviewedyespor
dc.relationBPD/4609/2008
dc.relationStrategic Project - UI 690 - 2011-2012
dc.titleTuberaria lignosa preparations: influence of drying methods and oral dosage forms on antioxidant properties and phytochemical compositionpor
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleStrategic Project - UI 690 - 2011-2012
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FAGR%2FUI0690%2F2011/PT
oaire.citation.conferencePlaceGraz, Austriapor
oaire.citation.title13th Congress of the International Society for Ethnopharmacology, 2-6 Septemberpor
oaire.fundingStream6817 - DCRRNI ID
person.familyNamePinela
person.familyNameBarros
person.familyNameCarvalho
person.familyNameFerreira
person.givenNameJosé
person.givenNameLillian
person.givenNameAna Maria
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifierID G-7399-2011
person.identifier144781
person.identifier.ciencia-id771C-2B43-B108
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-idD31A-35AF-E2A9
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0001-7523-1637
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0001-5508-5935
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridB-4466-2014
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id54392272800
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id20336503900
person.identifier.scopus-author-id36868826600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
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