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dc.creatorSousa, Thaís Brito-
dc.creatorSouza, Sebastião Gabriel-
dc.creatorFranco, Thayane Batistão Bondioli-
dc.creatorJesus, Márcia Silva de-
dc.creatorMori, Fábio Akira-
dc.date.accessioned2020-04-14T13:31:34Z-
dc.date.available2020-04-14T13:31:34Z-
dc.date.issued2019-
dc.identifier.citationSOUSA, T. B. et al. Quantification of Tannins from Curupay Bark. Floresta e Ambiente, Seropédica, v. 26, n. 1, 2019.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/40014-
dc.description.abstractThis study aimed to assess the influence of time and sodium sulfite concentration on tannin yield in Curupay bark and propose better extraction conditions. The extractions were performed using 100 g of dried bark and 1500 mL of water at 70 °C, with extraction times of 2, 3, and 4 h and amount of extractor salt at the concentrations of 0, 1, 2, 3, and 4%. The following parameters were evaluated: content of total solids, total yield of solids, Stiasny index, and gravimetric yield of condensed tannins and non-tannins. Results show that the higher the concentration of sodium sulfite, the higher the content and yield of solids, as well as the higher the extraction of non-tannin compounds. Three-hour extraction time at 3.0% sodium sulfite concentration was the best condition to extract tannins from Curupay bark, under which a condensed tannin yield of 20.46% was obtained.pt_BR
dc.languageen_USpt_BR
dc.publisherInstituto de Florestas da Universidade Federal Rural do Rio de Janeiropt_BR
dc.rightsAttribution 4.0 International*
dc.rightsacesso abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.sourceFloresta e Ambientept_BR
dc.subjectAnadenanthera peregrinapt_BR
dc.subjectStiasny indexpt_BR
dc.titleQuantification of Tannins from Curupay Barkpt_BR
dc.typeArtigopt_BR
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