Optimization of the Process for Recovering Phenolic Antioxidant Compounds from Low-Quality Eggplant (Solanum melongena L.) Pulp by Modified Supercritical Carbon Dioxide Extraction

被引：4

作者：

Joana Gil-Chavez, G. ^{[1
]}

Contreras-Angulo, Laura ^{[1
]}

Benigno Valdez-Torres, J. ^{[1
]}

Gonzalez-Aguilar, Gustavo A. ^{[2
]}

Basilio Heredia, Jose ^{[1
]}

机构：

[1] Ctr Invest Alimentac & Desarrollo, Culiacan 80110, Sinaloa, Mexico

[2] Ctr Invest Alimentac & Desarrollo, AC, CTAOV, Hermosillo, Sonora, Mexico

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2015年 / 50卷 / 06期

关键词：

optimization; supercritical; antioxidants; extraction; eggplant; ASSISTED EXTRACTION; FLUID EXTRACTION; CO2; EXTRACTION; SOLUBILITY; SOLVENT; ETHANOL; TEMPERATURE; LYCOPENE; ASSAY; OIL;

D O I：

10.1080/01496395.2014.960049

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The extraction of biologically active compounds from eggplant pulp by modified supercritical CO2 extraction was investigated. Response surface methodology was used to optimize the extraction of phenolic compounds and antioxidant capacity by assessing the pressure, temperature, and cosolvent percentage. The results demonstrated that the maximum phenolic content (3,530.79 mg CAE/100 g extract) and antioxidant capacity (4,593.22 mu mol TE/g extract) were observed at 56.8 degrees C, 280 bar, and 1.22% of ethanol and were higher than those obtained by conventional solvent extraction. Four phenolic acids were identified in the supercritical extracts and not in the conventional extracts using HPLC-DAD analysis, suggesting that modified supercritical CO2 extraction is more efficient and selective.

引用

页码：841 / 850

页数：10

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