| 超声波辅助提取紫薯茎叶总黄酮的工艺研究 |
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| 引用本文： | 王和才,杨巍,王刚,朱庆珍.超声波辅助提取紫薯茎叶总黄酮的工艺研究[J].农产品加工．学刊,2011(10):46-48. |
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| 作者姓名： | 王和才 杨巍 王刚 朱庆珍 |
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| 作者单位： | 苏州农业职业技术学院食品系;苏州农业职业技术学院基础部;苏州农业职业技术学院实训中心 |
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| 基金项目： | 2010年江苏省高等学校大学生实践创新训练计划项目(226);苏州农业职业技术学院自然科学研究课题(NS1003) |
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| 摘 要： | 为研究和开发紫薯茎叶资源,以紫薯茎叶为原料提取总黄酮类化合物,考察了乙醇体积分数、浸提时间、料液比等因素对提取率的影响,并设计了L9(33)正交试验优化工艺参数。结果表明,紫薯茎叶总黄酮类化合物提取最佳工艺为:乙醇体积分数70%,提取时间50 min,料液比1∶50。在此优化参数下,总黄酮类化合物提取率为8.324%。
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| 关 键 词： | 紫薯茎叶 超声波 总黄酮 提取工艺 |
Ultrasonic Extraction of Total Flavonoids from Stems and Leaves of Purple Sweet Potato Technology |
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| Institution: | Wang Hecai1,Yang Wei2,Wang Gang1,Zhu Qinzhen3(1.Department of Food,Suzhou Vocational College of Agriculture,Suzhou,Jiangsu 215008,China; 2.Department of Basic,Suzhou Vocational College of Agriculture,Suzhou,Jiangsu 215008,China; 3.Training Center,Suzhou Vocational College of Agricultural,Suzhou,Jiangsu 215008,China) |
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| Abstract: | For researching and developing stems and leaves of purple potato,stems and leaves as the raw material of purple potato extract total flavonoids,ethanol concentration,extraction time,solid to liquid ratio on the extraction rate are investigated,the L9(33) orthogonal test parameters are designed.The results show that the purple sweet potato leaf extract of total flavonoids in the best conditions are 70% ethanol,extraction time 50 min,solid to liquid ratio of 1 ∶50.In the optimization parameters,the total flavonoids extraction rate is 8.324%. |
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| Keywords: | purple sweet potato leaf ultrasonic total flavonoids extraction technology |
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