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黄姜中薯蓣皂甙元的提取及定性定量分析
任凤莲;刘咏;禹文峰;
1.中南大学化学化工学院;2.中南大学化学化工学院 湖南长沙410083;3.湖南长沙410083
摘要:
对黄姜中提取的薯蓣皂甙元进行红外和紫外可见波谱扫描,与标准品谱图对比分析,可知提取出的皂甙元与薯蓣皂甙元标准品有相同的结构。用分光光度法测定黄姜中薯蓣皂甙元的含量,以香荚兰醛-高氯酸-冰醋酸的加入顺序,在80℃水浴中加热15min,显色30min后,在542nm处测定吸收值能达到最佳值,最后得出皂甙元含量为2.27%,RSD为1.1%,回收率在97.2%~98.8%之间。
关键词:  薯蓣皂甙元    光谱    分光光度法
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