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Journal of Tea Science ›› 2008, Vol. 28 ›› Issue (2): 79-82.doi: 10.13305/j.cnki.jts.2008.02.002

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Study on the GCG in Green Tea

LU Hai-peng, TAN Jun-feng, GUO Li, GU Ji-ping, LIN Zhi*   

  1. Key Laboratory of Tea Chemical Engineering, Ministry of Agriculture; Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; Engineering Research Center for Tea Processing
  • Received:2007-07-25 Revised:2008-01-18 Online:2008-04-15 Published:2019-09-16

Abstract: The GCG content in different tea germplasms, change of GCG content during green tea processing and the tea leaf treated with high temperature steam were studied by using the HPLC determination. Results showed that the content of GCG in five tested tea cultivars was more than 1.5% among 200 tea germplasms, and it was increased continuously during the green tea processing. Temperature was the key factor that influenced the GCG content in tea, and the high temperature steam treatment could effectively increase the GCG content in green tea.

Key words: tea, GCG, high temperature steam

CLC Number: