Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/5135
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dc.creatorPimentel, Flávio A.-
dc.creatorCardoso, Maria das G.-
dc.creatorGuimarães, Luiz G.L.-
dc.creatorQueiroz, Fabiana-
dc.creatorBarbosa, Luiz C.A.-
dc.creatorMorais, Augusto R.-
dc.creatorNelson, David L.-
dc.creatorAndrade, Milene A.-
dc.creatorZacaroni, Lidiany M.-
dc.creatorPimentel, Sônia Maria N.P.-
dc.date.accessioned2015-03-09T18:20:06Z-
dc.date.available2015-03-09T18:20:06Z-
dc.date.issued2012-07-31-
dc.identifier.citationPIMENTEL, F. A. et al. Extracts from the leaves of Piper piscatorum (Trel. Yunc.) obtained by supercritical extraction of with CO2, employing ethanol and methanol as co-solvents. Industrial Crops and Products, [S.l.], v. 43, p. 490-495, Jul. 2013.pt_BR
dc.identifier.urihttp://www.sciencedirect.com/science/journal/09266690/43pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/5135-
dc.description.abstractThe efficiency of the extraction of fresh and dried leaves of Piper piscatorum was evaluated employing supercritical CO 2 and co-solvents (10% ethanol and 10% methanol) at 40 ◦ C and 70 ◦ C and a pressure of 400 bar. The extracts were characterized chemically by GC–MS and GC–FID. The major components of the extracts were piperovatine, followed by palmitic acid, pentadecane and pipercallosidine. Dry- ing of the leaves caused modifications in their composition, mainly reducing the concentration of the amides, which have activity as anesthetics. The highest yields of the piperovatine (0.93%, w/w) and pipercallosidine (0.24%, w/w) were obtained from the fresh leaves extracted with CO 2 modified with 10% ethanol at 40 ◦ C.pt_BR
dc.languageenpt_BR
dc.publisherElsevierpt_BR
dc.rightsacesso abertopt_BR
dc.sourceIndustrial Crops and Productspt_BR
dc.subjectPiper piscatorumpt_BR
dc.subjectNatural anestheticpt_BR
dc.subjectSupercritical extractionpt_BR
dc.titleExtracts from the leaves of Piper piscatorum (Trel. Yunc.) obtained by supercritical extraction of with CO 2 , employing ethanol and methanol as co-solventspt_BR
dc.typeArtigopt_BR
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