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中国农学通报

中国农学通报 ›› 2015, Vol. 31 ›› Issue (6): 247-250.doi: 10.11924/j.issn.1000-6850.2014-2256

所属专题： 园艺

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不同月份云南大叶种晒青茶化学成分变化研究

浦绍柳,夏丽飞,邓少春,周玉忠   

  1. (云南省农科院茶叶研究所,云南勐海 666200）
  • 收稿日期:2014-08-18 修回日期:2015-01-15 接受日期:2015-01-20 出版日期:2015-03-20 发布日期:2015-03-20
  • 通讯作者: 浦绍柳
  • 基金资助:
    云南省科学技术厅项目“云南茶园提质增效关键技术研究与示范”(2012CH008)。

Research on the Chemical Composition Change of Yunnan Big Leaf Species Sun-dry Tea in Different Months

Pu Shaoliu, Xia Lifei, Deng Shaochun, Zhou Yuzhong   

  1. (Tea Research Institute, Yunnan Academy of Agricultural Sciences, Menghai Yunnan 666200)
  • Received:2014-08-18 Revised:2015-01-15 Accepted:2015-01-20 Online:2015-03-20 Published:2015-03-20

摘要： 为掌握云南大叶种晒青茶主要内含化学成分的变化趋势，分析其适制性，为普洱茶的生产提供理论依据，试验分析了2013年3—10月生产的云南大叶种晒青茶中主要化学成分的含量变化。结果表明：茶多酚含量3—7月呈递增趋势，7—10月又呈递减趋势，7月最高，达41.77%；儿茶素含量3—8月呈递增趋势，8—10月又呈递减趋势，8月最高，达14.5%；水浸出物含量3—7月呈递增趋势，7—10月呈递减趋势，7月最高，达51.74%；氨基酸含量3—6月呈递减趋势，6—10月呈递增趋势，6月最低，为2.45%；咖啡碱含量3—7月呈递增趋势，7—10月又呈递减趋势，7月最高，达3.82%。

关键词: 种子发芽, 种子发芽

Abstract: To grasp the change trend of main chemical composition of Yunnan big leaf species sun dried green tea, analyze the optimum processing suitability, and provide the theory basis for the production of Pu'er tea, the author conducted an experiment on the content change of the main chemical composition of Yunnan big leaf species sun-dry tea which were produced between March and October in 2013. The results showed that tea polyphenols content increased progressively from March to July, and it showed a decreasing trend from July to October, the highest record appeared in July which reached 41.77%. Catechins content presented an increasing trend from March to August, and it showed a decreasing trend from August to October, the highest record was 14.5% which appeared in August. Water extract content increased progressively from March to July, and it decreased progressively from July to October, the highest record appeared in July which reached 51.74%. The amino acid content presented a decreasing trend from March to June, and it showed an increasing trend from June to October, the lowest record appeared in June which was 2.45%. Caffeine content presented an increasing trend from March to July, and it showed a decreasing trend from July to October, the highest record was 3.82% which appeared in July.