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

Previous Articles     Next Articles

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

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

CLC Number: