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Journal of Tea Science ›› 2006, Vol. 26 ›› Issue (3): 186-190.doi: 10.13305/j.cnki.jts.2006.03.006

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Study on Ironing Processing of Tea Green Pigment: Sodium-Zinc Chlorophyllin

YANG Xiao-ping1, LI Shu-kui2, HUANG Yuan1   

  1. 1. Key Laboratory of Horticultural Plant Biology, Ministry of Education, Department of Tea Science, Huazhong Agricultural University, Wuhan 430070, China;
    2. Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
  • Received:2005-08-09 Revised:2006-03-10 Online:2006-09-25 Published:2019-09-23

Abstract: :The manufacture processing of tea green pigment — sodium-zinc chlorophyllin (TGP-2) was studied by using expectant function approach for simultaneous optimization of several variable levels. The results showed that the effect of heating time was the most noticeable, then the concentration of ZnSO4,temperature, and pH successively. The optimum of preparation process was 3.0 pH, 72.8℃, with 21.5% of ZnSO4 concentration for 89.6βmin, and the efficiency of yield could reach 0.69%.

Key words: tea green pigment, sodium-zinc chlorophyllin, ironing, manufacture processing

CLC Number: