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Study on Optimum Extracting Conditions of Total Flavonoids from Sour Carambola Leaves
Author(s): LIU Wei-bing, CHEN Cui, ZHU Qiu-yan
Pages: 64-
66,74
Year: 2008
Issue:
1
Journal: GUANGXI SCIENCES
Keyword: 黄酮; 酸杨桃叶; 提取工艺; 正交试验;
Abstract: 利用甲醇浸提,通过单因素试验和正交试验探讨从酸杨桃叶中提取黄酮的最佳工艺条件,为酸杨桃叶中黄酮类化合物的提取提供实验数据.实验结果表明,酸杨桃叶中含有丰富的黄酮类化合物,酸杨桃叶中黄酮的最佳提取工艺条件为:提取时间3h,料液比1∶80,提取温度70℃.在该最佳提取条件下,以芦丁为参照品,测量波长为359nm,所得的总黄酮平均回收率为98.84%,精密度为1.04%.
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