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茶叶科学 ›› 2007, Vol. 27 ›› Issue (3): 185-191.doi: 10.13305/j.cnki.jts.2007.03.003

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咖啡碱和蛋白质对酯型儿茶素氧化形成TFDG的影响

张建勇1, 2, 江和源1, *, 江用文1   

  1. 1. 农业部茶叶化学工程重点开放实验室,中国农业科学院茶叶研究所,浙江 杭州 310008;
    2. 中国农业科学院研究生院,北京 100081
  • 收稿日期:2007-01-18 修回日期:2007-04-13 出版日期:2007-09-25 发布日期:2019-09-11
  • 通讯作者: *江和源,jianghy@mail.tricaas.com
  • 作者简介:张建勇(1982— ),男,在读硕士研究生,从事天然产物化学研究。
  • 基金资助:
    国家自然科学基金项目(30570191)和浙江省自然科学基金项目(Y304477)

Study on the Impact of Caffeine and BSA on the Formation of TFDG by the Chemical Oxidation of EGCG and ECG

ZHANG Jian-yong1, 2, JIANG He-yuan1, *, JIANG Yong-wen1   

  1. 1. Key Laboratory of Tea Chemical Engineering, the Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agriculture Sciences, Hangzhou 310008, China;
    2. Chinese Academy of Agriculture Sciences, Beijing 100081, China
  • Received:2007-01-18 Revised:2007-04-13 Online:2007-09-25 Published:2019-09-11

摘要: 对咖啡碱(CAF)和牛血清白蛋白(BSA)在双酯型茶黄素形成中的影响进行了研究分析。结果表明,咖啡碱和牛血清白蛋白对TFDG的形成均有明显的抑制作用,而且相同条件下,牛血清白蛋白和咖啡碱表现出相似的抑制作用。当牛血清蛋白与咖啡碱同在一个化学氧化反应体系中时,表现出随浓度不同而呈现复杂的竞争或协同作用。

关键词: 酯型儿茶素, 化学氧化, 咖啡碱, 蛋白质, 双酯型茶黄素

Abstract: The impact of caffeine(CAF) and bovine serum albumin (BSA) on the formation of theaflavin-3,3’-digallate was compared and analyzed. The results on chemical oxidation showed that CAF and BSA had obvious inhibitory action on the formation of Theaflavin-3,3’-digallate. Under identical condition, BSA showed the same inhibitory action as CAF. When BSA and CAF were existing in the same chemical oxidation system, the complicated competition and cooperation were investigated.

Key words: ester type catechins, chemical oxidation, caffeine, bovine serum albumin (BSA), theaflavin-3, 3’-digallate;

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