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Type: Artigo de periódico
Title: Effect of different extraction processes on the recovery of extracts from achyrocline satureioides DC: An evaluation of antioxidant activity
Author: Pereira, CG
Gualtieri, IP
Meireles, MAA
Abstract: In the present work, the global yield, composition, and antioxidant activities of the extracts from Achyrocline satureioides obtained by different separation techniques were evaluated. Centrifugation, hydrodistillation, low pressure solvent extraction (LPSE), Soxhlet, supercritical fluid extraction, and ultrasound processes were used. The total phenolic compounds and quercetin present in the extracts were quantified. The antioxidant activity of the extracts was evaluated by the coupled reaction of -carotene/linolenic acid. Higher global yields were obtained by LPSE and Soxhlet. The analysis indicated the presence of flavonoids in all extracts. The antioxidant activities of the extracts were larger than that of the reference substance, -carotene.
Subject: achyrocline satureioides
antioxidant activity
low pressure solvent extraction
supercritical fluid extraction
ultrasound extraction
Country: EUA
Editor: Taylor & Francis Inc
Citation: Separation Science And Technology. Taylor & Francis Inc, v. 43, n. 6, n. 1549, n. 1563, 2008.
Rights: fechado
Identifier DOI: 10.1080/01496390801955562
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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