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Type: Artigo de periódico
Title: Optimization and economic evaluation of pressurized liquid extraction of phenolic compounds from jabuticaba skins
Author: Santos, DT
Veggi, PC
Meireles, MAA
Abstract: The optimization of the extraction of anthocyanins and other phenolic compounds from jabuticaba skins, a promising Brazilian source of these compounds, was studied using pressurized liquid extraction (PLE). An optimization study was performed using ethanol as a solvent and with extraction pressure (510 MPa), temperature (313-393 K) and static extraction time (3-15 min) as independent variables. The optimum PLE conditions for all response variables were estimated; however, PLE conditions resulting in the highest recovery of anthocyanins (5 MPa, 553 K and 9 min of static extraction time) were chosen for comparison with a conventional low-pressure solvent extraction (LPSE). The attributes compared were yield, content of anthocyanins and phenolic compounds and economic feasibility. Similar extraction yields were obtained by LPSE and PLE under optimized conditions; however 2.15 and 1.66-fold more anthocyanins and total phenolic compounds, respectively, were extracted using PLE, while the cost of manufacturing (COM) obtained for the PLE extract was 40-fold lower. (C) 2011 Elsevier Ltd. All rights reserved.
Subject: Anthocyanins
Phenolic compounds
Pressurized liquid extraction
Myrciaria cauliflora
Cost of manufacturing
Country: Inglaterra
Editor: Elsevier Sci Ltd
Rights: fechado
Identifier DOI: 10.1016/jjfoodeng.2011.08.022
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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