绿茶末中茶多酚的微波辅助提取
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[摘要] 目的:研究在微波辐射下提取茶多酚的最佳工艺。方法:采用正交试验法对微波功率、微波辐射时间、乙醇体积分数、料液比等影响因素进行了研究。结果:绿茶末的微波辅助提取茶多酚的最佳工艺:微波功率为中高火,微波辐射时间为3 min,乙醇体积分数为70%,料液比为1∶15,茶多酚的收率为14.6%。结论:该提取工艺可有效提取绿茶末中的茶多酚。
[关键词] 绿茶末;茶多酚;微波辐射;正交试验
[中图分类号] R943 [文献标识码]B [文章编号]1674-4721(2010)02(a)-047-02
Extraction of tea polyphenols from refuse green tea under microwave radiation
CHEN Yuping
(Guangdong College of Pharmacy Medicine Academy of Science Tests Center, Guangzhou 510006, China)
[Abstract] Objective: To study the optimum extraction of tea polyphenols from refuse green tea. Methods: The extraction rate of extractum the extraction amount of tea polyphenols were chosen as microwave power, the microwave radiation time, the ethyl alcohol volume fraction, the material fluid compared. Results: The optimum extraction technology was that using 70% ethanol, fluid ratio (1∶15), tea polyphenol receives rate (14 ......
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