Optimization and economic evaluation of pressurized liquid extraction of phenolic compounds from jabuticaba skins

Author(s)

Santos, Diego T. ^[1] ; Veggi, Priscilla C. ^[1] ; Meireles, M. Angela A. ^[1]

Affiliation

^[1] UNICAMP Univ Campinas, LASEFI, DEA, FEA Sch Food Eng, BR-13083862 Campinas, SP - Brazil

• Document type: Journal article
• Source: Journal of Food Engineering; v. 108, n. 3, p. 444-452, FEB 2012.
• Web of Science Citations: 76

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. (AU)

• FAPESP's process: 08/10986-2 - OBTAINING FLAVONOIDS FROM BRAZILIAN NATIVE PLANTS BY SUPERCRITICAL FLUID EXTRACTION USING CO-SOLVENTS: SCALE-UP AND ECONOMICAL EVALUATION
• Grantee: Priscilla Carvalho Veggi
• Support Opportunities: Scholarships in Brazil - Doctorate