dc.creatorMartinez-Correa H.A.
dc.creatorCabral F.A.
dc.creatorMagalhaes P.M.
dc.creatorQueiroga C.L.
dc.creatorGodoy A.T.
dc.creatorSanchez-Camargo A.P.
dc.creatorPaviani L.C.
dc.date2012
dc.date2015-06-26T20:30:04Z
dc.date2015-11-26T14:27:14Z
dc.date2015-06-26T20:30:04Z
dc.date2015-11-26T14:27:14Z
dc.date.accessioned2018-03-28T21:30:19Z
dc.date.available2018-03-28T21:30:19Z
dc.identifier
dc.identifierJournal Of Supercritical Fluids. , v. 63, n. , p. 31 - 39, 2012.
dc.identifier8968446
dc.identifier10.1016/j.supflu.2011.12.016
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84857592489&partnerID=40&md5=0314762d9fd08a0b792febe59185889b
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/97218
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/97218
dc.identifier2-s2.0-84857592489
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1246275
dc.descriptionOne and two step extraction processes were used to obtain extracts from two samples of alecrim do campo leaves (Baccharis dracunculifolia L.). In the one step process, supercritical carbon dioxide (scCO 2), ethanol and water were used as solvents. In the two step process, scCO 2 was used as a solvent in the first step followed by ethanol or water as the solvent in a second step on the residue resulting from scCO 2 extraction. Extraction yields, total polyphenol, total flavonoid and Artepillin C contents, antioxidant activity by DPPH radical scavenging and β-carotene bleaching methods were measured in all extracts. The supercritical extract showed a higher concentration and yield of Artepillin C, low antioxidant activity by the DPPH method and high antioxidant activity by the β-carotene method. In general the aqueous and ethanol extracts were more concentrated in polyphenol compounds and a second extraction step produced high yields with high concentrations of phenolic compounds. © 2011 Elsevier B.V. All rights reserved.
dc.description63
dc.description
dc.description31
dc.description39
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dc.languageen
dc.publisher
dc.relationJournal of Supercritical Fluids
dc.rightsfechado
dc.sourceScopus
dc.titleExtracts From The Leaves Of Baccharis Dracunculifolia Obtained By A Combination Of Extraction Processes With Supercritical Co 2, Ethanol And Water
dc.typeArtículos de revistas


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