| 茶叶中的硒成分分析 |
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| 引用本文： | 杜琪珍,沈星荣,方兴汉.茶叶中的硒成分分析[J].茶叶科学,1991(2). |
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| 作者姓名： | 杜琪珍 沈星荣 方兴汉 |
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| 作者单位： | 中国农业科学院茶叶研究所 杭州
(杜琪珍，沈星荣)，中国农业科学院茶叶研究所 杭州(方兴汉) |
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| 摘 要： | 采用硒75示踪研究了茶叶中的硒成分。结果表明,茶叶中的硒约80%属于硒蛋白质,其中除少量与色素、多酚、核酸和果胶呈结合状态外,其余绝大部分的硒蛋白均呈游离状态。硒蛋白中占硒总量21.91%的硒为硒代甲硫氨酸硒,无机硒仅占硒总量的8%左右。
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| 关 键 词： | 茶叶 硒 硒75 有机硒 无机硒 |
Analysis on Selenium Compositions in Tea Leaves |
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| Du Qizheng,Shen Xingrong,Fang Xinhan.Analysis on Selenium Compositions in Tea Leaves[J].Journal of Tea Science,1991(2). |
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| Authors: | Du Qizheng Shen Xingrong Fang Xinhan |
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| Abstract: | Selenium compositions in tea leaves were analysed with selenium 75tracing.Results showed that proteins and inorganic compositions were about80% and 8% of selenium in tea leaves(dry weight)respectively.Most ofthe selenium proteins were free,except the small amount of the combina-tions of pigments,polyphenols,pectin and nudeic acid.Of the selenium intea leaves,21.91% was in form of selenomethionine. |
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| Keywords: | Tea leaves Selenium Selenium 75 Organic selenium Inorganic selenium |
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