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茶叶科学 ›› 2003, Vol. 23 ›› Issue (1): 51-56.doi: 10.13305/j.cnki.jts.2003.01.011

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不同辐照处理对普洱茶主要化学成分及感官品质的影响

周树红, 龚淑英   

  1. 浙江大学农业与生物技术学院, 浙江 杭州 310029
  • 收稿日期:2002-06-25 修回日期:2003-03-22 出版日期:2003-05-25 发布日期:2019-09-16
  • 作者简介:周树红(1970- ):男,浙江嵊州人,硕士,主要从事茶叶加工及高校教学管理工作。

Effects of Different Radiation Treatments on The Content of Chemical Components and Quality of Puer-Tea

ZHOU Shu-hong, GONG Shu-ying   

  1. College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310029, China
  • Received:2002-06-25 Revised:2003-03-22 Online:2003-05-25 Published:2019-09-16

摘要: 设置不同含水量、不同辐照剂量的试验发现,除咖啡碱、儿茶素特别是脂型儿茶素含量有所下降外,普洱茶中其他品质成分如氨基酸、可溶性糖、茶多酚总量以及茶多酚的氧化产物,辐照后一般都有所增加;各含水量、辐照剂量以及二者的交互作用间都存在极显著差异,但水浸出物除不同剂量间存在极显著差异外,含水量及二者交互作用不显著;经过感官审评,辐照茶样的感官品质无不良变化。

关键词: 茶学, 普洱茶, 辐照, 含水量, 品质, 化学成分

Abstract: Through experiment with treatments of various dosages of radiation and different initial water contents in Puer-tea, it was found that contents of amino acid, tea polyphenols and the oxidation products of polyphenols were increased; oppositely, caffeine and catechins, particularly the compound catechins were decreased; In addition, the radiation treatments had no negative effect on the organoleptic quality of Puer-tea.

Key words: Tea science, Puer-tea, Radiation, Water contents, Quality, Chemical components

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