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中国农学通报

中国农学通报 ›› 2016, Vol. 32 ›› Issue (16): 149-154.doi: 10.11924/j.issn.1000-6850.casb15110061

所属专题： 园艺

• 食品 营养 检测 安全 • 上一篇    下一篇

贵州高茶多酚茶树品种多酚品质分析评价

赵华富,高秀兵,刘晓霞,曹 雨,周顺珍,周国兰   

  1. (贵州省茶叶研究所,贵阳 550006）
  • 收稿日期:2015-11-10 修回日期:2015-12-08 接受日期:2015-12-23 出版日期:2016-06-17 发布日期:2016-06-17
  • 通讯作者: 赵华富
  • 基金资助:
    贵州省科技厅人才创新团队项目“贵州省茶叶加工科技创新人才团队”（黔科合人才团队[2014]4025号）；贵州省农科院院基金项目“不同茶树品种（系）茶多酚提取及评价”（黔农科合（基金）[2011]008号）。

Analysis and Evaluation of Polyphenols Quality of High Polyphenols Content Tea Varieties in Guizhou

Zhao Huafu, Gao Xiubing, Liu Xiaoxia, Cao Yu, Zhou Shunzheng, Zhou Guolan   

  1. (Tea Research Institute of Guizhou Province, Guiyan 550006)
  • Received:2015-11-10 Revised:2015-12-08 Accepted:2015-12-23 Online:2016-06-17 Published:2016-06-17

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摘要： 为了解贵州高茶多酚茶树品种的多酚品质状况，根据现有资料，选取贵州高茶多酚茶树品种进行茶叶主要内含成分分析，并对茶多酚、儿茶素组分进行茶多酚逆转阀值、儿茶素品质指数、苦涩味指数分析。结果表明：‘黔湄419’、‘黔湄502’、‘黔湄701’茶多酚含量全年平均含量分别为25.4%、26.5%、25.8%，而‘福鼎大白茶’仅17.6%，比‘福鼎大白茶’高出6.8%、8.2%、7.2%。高茶多酚茶树品种与普栽种‘福鼎大白茶’多酚含量差异显著。EGCG含量与儿茶素总量虽然与‘福鼎大白茶’未产生显著差异，但含量均高于‘福鼎大白茶’，分别高出24.7%、12.5%、17.8%和33.7%、24.3%、23.1%，说明3个高茶多酚茶树品种具有较好的品种优势。茶多酚逆转阀值均在水浸出物的40%~60%之间，制作绿茶具会有较好的品质表现。儿茶素品质指数为3.98、4.49和6.06。儿茶素苦涩味指数9.41、9.24和10.51。综合儿茶素品质指数、苦涩味指数考虑，‘黔湄502’多酚类品质要优于‘黔湄419’、‘黔湄701’。

关键词: 砂姜黑土, 砂姜黑土, 玉米, 磷肥品种, 钙镁磷肥

Abstract: In order to know the polyphenols quality of high content tea varieties in Guizhou Province, based on available data, high polyphenols content tea varieties were selected to analyze the main ingredients in tea, as well as their polyphenols reversed quality index, catechins quality index, catechins bitter taste index of polyphenol and catechins. The results showed that the annual average content of polyphenol in ‘Qianmei 419’, ‘Qianmei 502’and ‘Qianmei 701’ were 25.4%, 26.5% and 25.8% respectively, which were 6.8%, 8.2%, 7.2% higher than that of ‘Fudingdabaicha’, whose figure was 17.6%,. The polyphenols difference between high polyphenols content varieties and common tea variety ‘Fudingdabaicha’ was significant. Although EGCG and total catechins content were not significantly different between high polyphenols content varieties and ‘Fudingdabaicha’, the EGCG of high polyphenols content varieties was 24.7%, 12.5%, 17.8% higher than that of ‘Fudingdabaicha’, while the total catechins content was 33.7%, 24.3%, 23.1% higher than that of ‘Fudingdabaicha’. It indicated that these three high polyphenols content tea varieties had some advantages in quality. All polyphenols reversed threshold values of these three high polyphenols content varieties were between 40%-60% of water extract, suggesting the green tea production with good quality. Comprehensively considering the catechin quality index and the astringent index, which were 3.98, 4.49 6.06 and 9.41, 9.24, 10.51 of the tree high polyphenols content varieties respectively, the polyphenols quality of ‘Qianmei 502 ’ was better than that of the other two high polyphenols content tea varieties, ‘Qianmei 419’ and ‘Qianmei 701’.