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首页> 外文会议>International Symposium on Supercritical Fluids Tome 1: Natural Products, Process amp; Equipment Development; 20030428-20030430; Versailles; FR >SEPARATION OF ANTIOXIDANT COMPONENTS FROM WHITE GRAPE SKIN AND SEEDS USING COMPRESSED CARBON DIOXIDE
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SEPARATION OF ANTIOXIDANT COMPONENTS FROM WHITE GRAPE SKIN AND SEEDS USING COMPRESSED CARBON DIOXIDE

机译：用压缩二氧化碳从白葡萄皮和种子中分离抗氧化剂成分

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摘要

The possibility of extracting antioxidant components with supercritical carbon dioxide from a hydroalcoholic mixture was investigated. High-pressure phase equilibrium behaviour on quaternary systems (CO_2 + ethanol + water + antioxidant compound) was investigated at 40℃ and between 15 and 19 MPa. The separation factors for mixtures of different compositions -60%(v/v) water + 40% (v/v) ethanol and 90 %(v/v) water + 10%(v/v) ethanol were determined and compared. The viability of scCO_2 extraction process is discussed for Quercetin-3-glucoside. Different combinations of pressures and solvent ratios were studied. The separation factors are determined and discussed.
机译：研究了用超临界二氧化碳从水醇混合物中提取抗氧化剂成分的可能性。研究了四元体系（CO_2 +乙醇+水+抗氧化剂）在40℃和15至19 MPa之间的高压相平衡行为。测定并比较了不同组成的-60％（v / v）水+ 40％（v / v）乙醇和90％（v / v）水+ 10％（v / v）乙醇的混合物的分离因子。讨论了槲皮素-3-葡萄糖苷的scCO_2提取过程的可行性。研究了压力和溶剂比率的不同组合。确定和讨论分离因子。

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