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Abstract:
选取10种典型武夷岩茶(5种肉桂和5种水仙)作为研究对象,以绿茶、铁观音和红茶为对照,通过高效液相色谱法检测样品叶片及冲泡茶汤中的可可碱、茶碱和咖啡碱含量,并依据各样品的生物碱含量进行主成分分析。试验结果发现,武夷岩茶叶片中的咖啡碱、可可碱和茶碱含量分别约占茶叶干重的2.341%,0.065%,0.011%,低于绿茶、铁观音和红茶;茶叶经过60s沸水冲泡后,约46.56%,46.36%,50.15%的咖啡碱、可可碱和茶碱溶于茶汤中。此外,通过主成分分析发现,武夷岩茶的3种生物碱含量与绿茶、铁观音和红茶的生物碱含量有显著差异。
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食品与机械
Year: 2016
Issue: 10
Volume: 32
Page: 27-29,43
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
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