| 从南岳云雾茶中提取咖啡因的研究 |
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| 引用本文： | 曾琦斐.从南岳云雾茶中提取咖啡因的研究[J].嘉应学院学报,2011,29(11):66-68. |
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| 作者姓名： | 曾琦斐 |
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| 作者单位： | 湖南环境生物职业技术学院,湖南衡阳,421005 |
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| 基金项目： | 基金项目:衡阳市科学技术发展计划项目 |
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| 摘 要： | 咖啡因是一种可从茶叶、咖啡果中提炼出来的生物碱,具有良好的营养价值和保健价值.文章用索氏抽提法从南岳云雾茶中提取咖啡因,对提取条件进行了实验研究,得到最佳实验条件为:以95%乙醇作溶剂,用电热套加热,煮沸时间1h,该条件下从5g南岳云雾干茶叶中提取到136mg左右咖啡因,含量约为2.7%.
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| 关 键 词： | 南岳云雾茶 咖啡因 萃取 升华. |
Study on the Method of Extracting Caffeine fromNanyue Cloud and Mist Tea |
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| ZENG Qi-fei.Study on the Method of Extracting Caffeine fromNanyue Cloud and Mist Tea[J].Journal of Jiaying University,2011,29(11):66-68. |
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| Authors: | ZENG Qi-fei |
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| Institution: | ZENG Qi-fei(Hunan Environment-Biologic Polytechnic,Hengyang 421005,China) |
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| Abstract: | Caffeine is a kind of alkaloid distilled from tea and arabiea. It has high nutrition and health function. This paper studied on extracting Caffeine from Nanyue cloud and mist tea by saxhlet. The best experiment conditions of ex- tracting Caffeine from Nanyue cloud and mist tea by saxhlet is： taking 95% ethanol as a solvent, being heated by KDM electric jacket which can be boiled in 1 hour. In this condition, 136mg Caffeine was extracted from 5g Nanyue cloud and mist tea.and the content was 2.7%. |
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| Keywords: | Nanyue cloud and mist tea caffeine extraction sublimate |
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