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Position: Home > Articles > Optimization of Ultrasonic-Assisted Extraction of Polyphenols from Peanut Skins Using Response Surface Methodology FOOD SCIENCE 2012,33 (22) 1-5

响应面法优化超声辅助提取花生红衣多酚工艺

作  者：
王文昕;董全
单  位：
西南大学食品科学学院;西南大学国家食品科学与工程实验教学示范中心
关键词：
响应面法;超声辅助提取;花生红衣;多酚
摘  要：
以花生红衣为原料,采用超声波辅助提取其中的多酚类物质。通过单因素试验对超声时间、超声功率、料液比、乙醇体积分数等工艺参数进行研究,并用响应面法优化提取工艺,建立二次多项数学模型。结果表明,花生红衣多酚提取的最佳工艺参数为超声时间24.4min、超声功率408W、料液比1:29.6(g/mL)、乙醇体积分数51%。结合实际操作,响应面优化的最优工艺参数调整为超声时间24min、超声功率410W、料液比1:30(g/mL)、乙醇体积分数51%,此条件下花生红衣多酚得率为8.95%。
译  名：
Optimization of Ultrasonic-Assisted Extraction of Polyphenols from Peanut Skins Using Response Surface Methodology
作  者：
WANG Wen-xin1,DONG Quan1,2,*(1.College of Food Science,Southwest University,Chongqing 400715,China;2.National Representative Center of Experimental Teaching of Food Science and Engineering,Southwest University,Chongqing 400715,China)
关键词：
response surface methodology;ultrasonic-assisted extraction;peanut skins;polyphenols
摘  要：
The ultrasonic-assisted extraction of polyphenols from peanut skins was optimized using response surface methodology.The extraction yield of polyphenols was investigated with respect to four process parameters including ultrasonic treatment time,ultrasonic power,ethanol concentration and solid-to-solvent ratio.As a result,a quadratic polynomial mathematical model was built.In theory,the optimal extraction conditions were determined as follows: peanut skins were suspended in 51% ethanol aqueous solution at a solid-to-solvent ratio of 1:29.6(g/mL) and then subjected to ultrasonic treatment for 24.4 min at a power of 408 W.For practical applications,the same extraction solvent was used,but the solid-to-solvent ratio,ultrasonic treatment time and power were modified to be 1:30(g/mL),24 min and 410 W,respectively.Under the modified conditions,the extraction yield of polyphenols was 8.95%.

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