| 湖南地区高含量甲基化EGCG茶树资源的调查 |
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| 引用本文： | 唐娜,刘仲华,李银花.湖南地区高含量甲基化EGCG茶树资源的调查[J].农产品加工．学刊,2010(5). |
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| 作者姓名： | 唐娜 刘仲华 李银花 |
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| 作者单位： | 湖南农业大学食品科学技术学院; |
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| 基金项目： | 科技部国际合作计划项目(2008DFB22331) |
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| 摘 要： | 对117个不同来源的茶样进行了甲基化EGCG分析,其中只有16个的EGCG3″Me含量在检测限(0.01%)之下,占茶样总数的13.7%,而高于0.1%含量的为40个,占总数的34.2%,含量在0.3%以上的有18个,占总数的15.4%,其中含量最高的为C48,达到了1.7%;含有EGCG4″Me的品种只有10个,只占总数的8.5%,其中含量最高的是C45,含量为0.55%,最低的是C69,含量只有0.036%。
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| 关 键 词： | HPLC 3甲基化EGCG 4甲基化EGCG 茶树种质资源 |
Study on High Levels of O-methylated EGCG in Hunan Tea Resources |
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| Tang Na,Liu Zhonghua,Li Yinhua.Study on High Levels of O-methylated EGCG in Hunan Tea Resources[J].Nongchanpin Jlagong.Xuekan,2010(5). |
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| Authors: | Tang Na Liu Zhonghua Li Yinhua |
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| Institution: | Tang Na,Liu Zhonghua,Li Yinhua(College of Food Science and Technology,Hu'nan Agricultural University,Changsha 410128,China) |
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| Abstract: | This study analyzed 117 kinds of tea samples from different sources.Among these tea samples,only 16 kinds of tea's content was under detection limit(0.01%),which accounted for 13.7%,the highest one is C48,whose content reached for 1.7%.Only 10 kinds of tea samples contained EGCG4 Me,which accounted for 8.5%,the highest one is C45,whose content reached for 0.55%,the lowest content is C69,whose content is only 0.036%. |
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