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鐵觀音茶之酚性成分研究

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鐵觀音茶之酚性成分研究

中文摘要

茶葉自古以來即為中國人日常生活之必需品及飲料。茶葉含有生物鹼咖啡因及茶 鹼,

而有減肥、提神、利尿等作用。

最近常有許多有關酚性成分之生理活性報告被提出。為了進一步研究台灣製茶中

性成分之分佈,及提供進一步之生物活性探討,本研究從鐵觀音茶(Camellia sine-

nsis L.var.sinensis O.Kuntze)做有系統之酚性成分之分離,所得到之十二個成分

,利用光譜分析及水解反應,決定其構造分別是Quercetin,Myricetin,(+)

-C-

atechin,(-)-Epicatechin,(+)-Gallocatechin,(-)-Epigallocate- chin,Gallic acid,(-)-Epigallocatechin 3-0-gallate,(-)-Gall- ocatechin 3-0-gallate,3-0-Methyl gallic acid,(-)-Epicatechin 3-0-gallate,(-)-Epicatechin 3-0-(3-0-methyl)gallate。

同時利用高效液相層析儀,逆相管柱,以已經分離純化之酚性成分為authentic sam-

ple,檢測台灣產茶葉所含之量,藉以瞭解這類成分在各種茶中分佈之情形。

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