| 班玛藏茶与云南普洱茶中咖啡因含量对比分析 |
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| 引用本文： | 尕土才让,才让措,娘毛加,王宁芳.班玛藏茶与云南普洱茶中咖啡因含量对比分析[J].安徽农业科学,2017,45(21). |
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| 作者姓名： | 尕土才让 才让措 娘毛加 王宁芳 |
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| 作者单位： | 青海师范大学,青海西宁,810001;青海师范大学,青海西宁,810001;青海师范大学,青海西宁,810001;青海师范大学,青海西宁,810001 |
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| 基金项目： | 青海师范大学科技创新项目 |
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| 摘 要： | 目的]测定青海班玛藏茶和云南普洱茶茶叶中的咖啡因含量。方法]采用索氏抽提法提取咖啡因,并对提取出的咖啡因含量进行粗略评价。结果]班玛藏茶平均回收率为36.3%,咖啡因总量极少(0.000 7 g);云南普洱茶平均回收率为34.3%,咖啡因总量为0.207 5 g。结论]不同生境的茶叶咖啡因含量各不相同。
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| 关 键 词： | 班玛藏茶 普洱茶 索氏抽提法 咖啡因 |
Caffeine Content Analysis a Banma Tibetan Tea and Yunnan Pu'er Tea |
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| Gatucairang,Cairangcuo,NIANG Mao-jia,WANG Ning-fang.Caffeine Content Analysis a Banma Tibetan Tea and Yunnan Pu'er Tea[J].Journal of Anhui Agricultural Sciences,2017,45(21). |
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| Authors: | Gatucairang Cairangcuo NIANG Mao-jia WANG Ning-fang |
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| Abstract: | Objective]To determine caffeine content of Qinghai Banma Tibetan tea and Yunnan Pu''er tea.Method]Caffeine was extracted by Soxhlet extraction method and make a rough evaluation for extracted caffeine.Result]The average recovery rate and total caffeine content of Banma Tibetan tea were 36.3%,0.000 7 g,respectively.The average recovery rate and total caffeine content of Yunnan Pu''er tea were 34.3%,0.207 5 g,respectively.Conclusion]Tea caffeine content are not identical in different habitats. |
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| Keywords: | Banma Tibetan tea Puer tea Soxhlet extraction Caffeine Comparison and analysis |
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