超声波辅助提取葡萄皮渣中白藜芦醇工艺的优化研究
Southwest China Journal of Agricultural Sciences(2013)
Abstract
为优化超声波辅助提取葡萄皮渣中白藜芦醇工艺,在二水平五因素试验基础上,采用响应曲面法研究了不同工艺参数(提取温度-提取时间-超声波功率组合)对葡萄皮渣中白藜芦醇提取量的影响。结果表明:当工艺参数为乙醇体积分数50%、液料比12∶1(mL/g)、提取温度35.6℃、提取时间34.8 min和超声波功率231 W时,白藜芦醇的最高提取量为48.72μg/gFW,且模型的预测精度较高(相对误差为0.73%)。这些结果为超声波辅助提取技术在葡萄皮渣白藜芦醇提取中的应用提供了依据。
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Key words
Resveratrol,Ultrasonic,Grape skin Dreg,Response surface methodology(RSM),Optimization
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