摘要
采用响应面优化双水相体系萃取葡萄皮中的白藜芦醇。选取(无水乙醇+丙酮)质量分数、硫酸铵质量分数、粗提液质量分数三个因素，利用B ox-B ehnken D esign研究各因素交互作用对白藜芦醇萃取率的影响。结果表明，优化萃取工艺条件为(无水乙醇+丙酮)质量分数22.3%、硫酸铵质量分数24.0%、粗提液质量分数12.6%，在此条件下，白藜芦醇的萃取率可达89.16%。
Abstract
The optim al conditions for resveratrol extraction w ere determ ined by response surface m ethodology in an aqueous tw o-phase system . B ox-B ehnken D esign w as applied to evaluate the effectofinteraction betw een each tw o factors betw een three independentvariables (ethanol+ace-tone concentration,am m onium sulfate concentration,and crude extracted concentration) on resveratrolextraction yield.The optim alconditions for ethanol+acetone concentration,am m onium sulfate concentration,and crude extracted concentration w ere 22.3% ,24.0% ,12.6% ,respectively.The m axim um yield ofextracted resveratrolfrom experim entsw as89.16% underthe optim alconditions.
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