| 茶叶中茶多酚的提取工艺及其含量测定 |
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| 引用本文： | 何健,印伟. 茶叶中茶多酚的提取工艺及其含量测定[J]. 中国药业, 2011, 20(13): 31-32 |
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| 作者姓名： | 何健 印伟 |
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| 作者单位： | 重庆市第四人民医院,重庆,400014 |
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| 摘 要： | 目的研究用不同的金属盐从茶叶中提取茶多酚的方法和测定茶多酚含量的条件。方法用氯化钙、氯化钡、三氯化铝和三氯化铁4种金属盐分别从茶叶中提取茶多酚,考察温度、pH对含量测定结果的影响。结果以三氯化铝为沉淀剂提取茶多酚的效果最佳,茶多酚含量测定的条件以100℃热浸45 min,pH=7.5最为适宜。结论用金属盐从茶叶中提取茶多酚的方法简便、实用,含量测定过程的温度及酸碱度容易控制。
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| 关 键 词： | 茶叶 茶多酚 含量测定 提取工艺 三氯化铝 |
Extraction Technology and Content Determination of Tea Polyphenols in Tea |
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| He Jian,Yin Wei. Extraction Technology and Content Determination of Tea Polyphenols in Tea[J]. China Pharmaceuticals, 2011, 20(13): 31-32 |
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| Authors: | He Jian Yin Wei |
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| Affiliation: | He Jian,Yin Wei(Chongqing No.4 People's Hospital,Chongqing,China 400014) |
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| Abstract: | Objective To study the extraction method of tea polyphenols(TP) in tea from different metal salts and the determination conditions of the tea polyphenols content.Methods Comparison on extracting TP from tea through four metal salts:a calcium chloride,barium chloride,aluminum chloride and ferric chloride.Influence of different temperature and pH on the content determination of TP in tea.Results Comparison of four metal salts used for extraction of TP with aluminum chloride as the best precipitant.Determinati... |
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| Keywords: | tea polyphenols content determination extraction technology aluminum chloride |
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