食品科学 ›› 2009, Vol. 30 ›› Issue (18): 307-309.doi: 10.7506/spkx1002-6630-200918070

• 分析检测 • 上一篇    下一篇

四种茶中茶多酚成分分析

杨成对1,张经华2,宋莉晖1,刘 洋2   

  1. 1.清华大学理学院化学系 2.北京市理化分析测试中心
  • 收稿日期:2008-10-29 修回日期:2009-07-07 出版日期:2009-09-15 发布日期:2010-12-29
  • 通讯作者: 杨成对 E-mail:yangcd@mail.tsinghua.edu.cn

Analysis of Tea Polyphenols in Four Kinds of Tea

YANG Cheng-dui1,ZHANG Jing-hua2,SONG Li-hui1,LIU Yang2   

  1. 1. Department of Chemistry, School of Science, Tsinghua University, Beijing 100084, China;
    2. Beijing Center for Physical and Chemical Analysis, Beijing 100089, China
  • Received:2008-10-29 Revised:2009-07-07 Online:2009-09-15 Published:2010-12-29
  • Contact: YANG Cheng-dui E-mail:yangcd@mail.tsinghua.edu.cn

摘要:

采用液相色谱- 紫外- 质谱联用技术对绿茶、茉莉花茶、苦丁茶和人参茶中的茶多酚成分进行定性定量分析。结果表明:绿茶中含有5 种儿茶素、茉莉花茶中含有7 种儿茶素,苦丁茶和人参茶中未检测到儿茶素类组分。初步确定绿茶中茶多酚的含量为2%、茉莉花茶中茶多酚的含量为4%。

关键词: 茶多酚, 液质联用,

Abstract:

Qualitative and quantitative analysis of tea polyphenols in green tea, jasmine tea, Kuding tea, and ginseng tea was carried out by HPLC-UV/MS. There were 5 catechins in green tea and 7 catechins in jasmine tea identified, but no catechins were identified in Kuding tea and ginseng tea. The total content of catechins was 2% in green tea and 4% in jasmine tea, respectively.

Key words: tea polyphenols, HPLC-UV/MS, tea

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