| 茶色素胶囊中总多酚的紫外分光光度法测定 |
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| 引用本文： | 谢一辉,罗永明.茶色素胶囊中总多酚的紫外分光光度法测定[J].中国医药工业杂志,2001,32(5):227-228,238. |
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| 作者姓名： | 谢一辉 罗永明 |
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| 作者单位： | 江西中医学院, |
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| 摘 要： | 茶色素用氯仿除去样品中咖啡因子的干扰，再用酸性乙醇提取有效成分，以没食子酸为对照品，采用紫外分光光度法测定茶色素胶囊中总多酚的含量，平均回收率为99．35％，RSD为0．58％，方法简便，结果准确。
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| 关 键 词： | 紫外分光光度法 茶色素 胶囊 总多酚 没食子酸 咖啡因 测定 |
| 文章编号： | 1001-8255(2001)05-0227-03 |
Determination of Total
Polyphenols in Tea Pigment Capsules by UV Spectrophotometry |
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| Authors: | XIE Yi-Hui LUO Yong-ming |
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| Abstract: | The total polyphenols in tea pigment capsules was determined by UV spectrophotometry. Chloroform was used to remove the interference of caffeine in sample, and active components were extracted by acidified alcohol, then the total content of polyphenols was determined in accordance with gallic acid, and the average recovery was 99.3%, with RSD 0.58%. |
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| Keywords: | UV spectrophotometry tea pigment gallic acid caffeine total polyphenols determination |
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