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表面活性剂协同超声波提取大豆豆荚黄酮的工艺研究
引用本文:王纯荣,颜贤仔,周雯雯.表面活性剂协同超声波提取大豆豆荚黄酮的工艺研究[J].安徽农业科学,2010,38(13):6906-6908,6911.
作者姓名:王纯荣  颜贤仔  周雯雯
作者单位:江西农业大学,江西南昌,330045
基金项目:江西农业大学博士启动基金 
摘    要:目的]利用表面活性剂协同超声波提取大豆豆荚中黄酮,并用响应面法(RSM)对该工艺进行优化。方法]在单因素试验的基础上,选择表面活性剂含量、超声功率和液料比为随机因素进行3因素3水平的Box-Behnken中心组合设计,采用RSM法分析3个因素对响应值的影响。结果]表面活性剂辅助超声提取大豆豆荚黄酮的最佳工艺条件为:十二烷基硫酸钠(SDS)含量0.46%,超声波功率125W,液料比13∶1(ml/g),提取时间50min。结论]在此条件下,大豆豆荚总黄酮提取率达到9.75%,与理论预测值基本吻合,说明该优化方法切实可行。

关 键 词:表面活性剂  豆荚  总黄酮  超声辅助

Flavonoids in Soybean Pods: Ultrasonic Extraction Assisted with Surfactant
Institution:WANG Chun-rong et al (Jiangxi Agricultural University,Nanchang,Jiangxi 330045)
Abstract:Objective]Ultrasonic extraction assisted with surfactant was applied to gain flavonoids from the soybean pods and response surface methodology (RSM) was applied to optimize the extraction conditions. Method]Based on the signal factor test,surfactant mass ratio,ultrasonic power and the ratio of liquid to solid were chosen as casual factors,a three-factor and three-level Box-Behnken central composite design leading to a set of 17 combinations of these variables was performed to attain the highest weighed value of yields of flavonoids. Results]The optimal ultrasonic extraction assisted with surfactant conditions were determined as follows: sodium dodecyl sulfate (SDS) 0.46%,ultrasonic power 125 W,and ratio of liquid to solid 13∶1. Conclusion]Under these conditions,the extraction ratio of soybean pods flavonoids was 9.73%,which were consistent with the predicted values. The results demonstrated the validity of this extraction process.
Keywords:Surfactant  Soybean pods  Flavonoids  Ultrasonic extraction
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