| 茶叶中咖啡因的提取、鉴定和含量分析 |
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| 引用本文： | 阿有梅,张红岭,周友红,潘成学,孟庆芳,贾陆. 茶叶中咖啡因的提取、鉴定和含量分析[J]. 郑州大学学报(医学版), 2000, 35(6): 557-559 |
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| 作者姓名： | 阿有梅 张红岭 周友红 潘成学 孟庆芳 贾陆 |
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| 作者单位： | 1. 河南医科大学药学系郑州 450052
2. 南阳市中心医院药剂科南阳 473000 |
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| 摘 要： | 目的从茶叶中提取咖啡因，并对咖啡因进行鉴定和含量分析。方法茶叶经体积分数为30％的丙酮水溶液提取2次，后经正己烷萃取2次，再加入硫酸钠，用氯仿萃取2次，萃取液经浓缩干燥，制成咖啡因。结果产物经红外光谱鉴定分析为咖啡因，经紫外分光光度计测出在茶叶中含量为3．4％。结论从茶叶中提取咖啡因的新工艺切实可行。
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| 关 键 词： | 茶叶；咖啡因；提取；鉴定；含量分析 |
| 修稿时间： | 2000-03-16 |
Extraction , identification and content analysis of Caffeine from tea |
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| A Youmei,ZHANG Hongling,Zhou Youhong,Pan Chengxue,MENG Qingfang,JIA Lu. Extraction , identification and content analysis of Caffeine from tea[J]. Journal of Zhengzhou University: Med Sci, 2000, 35(6): 557-559 |
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| Authors: | A Youmei ZHANG Hongling Zhou Youhong Pan Chengxue MENG Qingfang JIA Lu |
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| Abstract: | Aim:To extract ,identify and analysis caffeine from tea. Methods:Tea was extracted by mixed solution , thenthe solution was extracted , and concentrated . The rough caffeine was prepared . Results: The production was identified by IR ,UV . Through UV the content of caffeine in tea was 3.4%. Conclusion:The technological route that caffeine and tea polyphenolwere extracted simultaneously is feasible. |
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| Keywords: | tea caffeine extraction identification content analysis |
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