| 普洱茶中的没食子酸研究 |
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| 引用本文： | 吕海鹏,林智,谷记平,郭丽,谭俊峰.普洱茶中的没食子酸研究[J].茶叶科学,2007,27(2):104-110. |
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| 作者姓名： | 吕海鹏 林智 谷记平 郭丽 谭俊峰 |
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| 作者单位： | 1. 中国农业科学院茶叶研究所/农业部茶叶化学工程重点开放实验室,浙江 杭州 310008 2. 中国科学院昆明植物所/植物化学与西部植物资源持续利用国家重点实验室,云南 昆明 650204 |
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| 摘 要： | 以普洱茶及其提取物的柱层析组分、以及晒青毛茶渥堆加工过程样等为试验对象,研究普洱茶中的没食子酸含量、晒青毛茶渥堆加工过程中没食子酸的变化规律以及没食子酸与普洱茶生物活性之间的关系。结果表明,普洱茶中没食子酸的平均含量为9.01βmg/g,但不同样品间含量差异比较大;晒青毛茶渥堆加工过程中没食子酸的含量遵循着先上升而后下降的变化规律;没食子酸富集的柱层析组分表现出了比较强的DPPH自由基清除活性。
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| 关 键 词： | 普洱茶 没食子酸 生物活性 |
| 文章编号： | 1000-369X（2007）02-104-07 |
| 收稿时间： | 2006-09-07 |
| 修稿时间： | 2006-10-30 |
Study on the Gallic Acid in Pu-erh Tea |
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| LU Hai-peng,LIN Zhi,GU Ji-ping,GUO Li,TAN Jun-feng.Study on the Gallic Acid in Pu-erh Tea[J].Journal of Tea Science,2007,27(2):104-110. |
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| Authors: | LU Hai-peng LIN Zhi GU Ji-ping GUO Li TAN Jun-feng |
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| Institution: | 1. Key Laboratory of Tea Chemical Engineering ,Ministry of Agriculture; Tea Research Institute ,Chinese Academy of Agricultural Sciences, Hangzhou 310008, China;2. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China |
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| Abstract: | Gallic acid is a characteristic phenolic compound in Pu-erh tea with notable bioactivity. The content of gallic acid in Pu-erh tea, the change of gallic acid during the pile-fermentation, and the relation between extract fraction bioactivity and its gallic acid content were studied. Results showed that the average content of gallic acid in Pu-erh tea was 9.01 mg/g, but striking dissimilarity existed between the different samples; The gallic acid content first increased to some extent then decreased during the pile-fermentation of the solar green tea of Camellia sinensis (Linn.) var. assamica (Masters) Kitamura]. It was found that the extracted fractions which rich in gallic acid showed higher antioxidative activities by DPPH radical scavenging assay. |
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| Keywords: | Pu-erh tea gallic acid biological activity |
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