湖北农业科学 ›› 2018, Vol. 57 ›› Issue (16): 83-87.doi: 10.14088/j.cnki.issn0439-8114.2018.16.019

• 园艺·特产 • 上一篇    下一篇

揉捻时间对鄂茶10号优质绿茶品质的影响

董晨1, 2, 曲凤凤1, 2, 艾仄宜1, 2, 郑时兵3, 冉茂全4, 黎先岭4, 倪德江1, 2   

  1. 1.华中农业大学园艺与林学学院茶学系,武汉 430070;
    2.农业部华中都市农业重点实验室,武汉 430070;
    3.宣恩县伍台昌臣茶业有限公司,湖北 宣恩 445500;
    4.宣恩县特产技术推广服务中心,湖北 宣恩 445500
  • 收稿日期:2018-03-30 发布日期:2019-12-16
  • 通讯作者: 倪德江,男,教授,博士生导师,主要从事茶叶加工与功能化学研究,(电子信箱)nidj@mail.hzau.edu.cn。
  • 作者简介:董 晨(1991-),男,湖北宜昌人,硕士,主要从事茶叶加工技术研究,(电话)13125065886(电子信箱)hbycdc@sina.com;
  • 基金资助:
    湖北省技术创新专项(2016A03);湖北宣恩伍家台贡茶研究院/华中农业大学产学研合作项目(720107-3167086)

Effect of Rolling Time on Quality of Green Tea E-Cha No.10

DONG Chen1, 2, QU Feng-feng1, 2, AI Ze-yi1, 2, ZHENG Shi-bing3, RAN Mao-quan4, LI Xian-ling4, NI De-jiang1, 2   

  1. 1.Tea Department of College of Horticulture and Forestry Science,Huazhong Agricultural University,Wuhan 430070,China;
    2.Key Laboratory of Urban Agriculture in Central China, Ministry of Agriculture,Wuhan 430070,China;
    3.Xuanen County Wutai Changchen Tea Co.,Ltd.,Xuanen 445500,Hubei,China;
    4.Xuanen Special Production Technology Promotion Service Center,Xuanen 445500,Hubei,China
  • Received:2018-03-30 Published:2019-12-16

摘要: 为了研究揉捻时间对鄂茶10号优质绿茶品质的影响,并优化鄂茶10号优质绿茶揉捻工艺,应用6CR-35型茶叶揉捻机,对鄂茶10号杀青叶进行不同时间(0、10、20、30、40 min)的揉捻处理,并对制得的绿茶进行了感官品质和理化品质分析。结果表明,10~20 min揉捻的绿茶具有干茶色泽尚翠绿润、显毫,汤色尚绿明亮、花香栗香较高、滋味鲜醇的感官品质,其酚氨比和儿茶素苦涩味指数较低,叶绿素a、叶绿素b和叶绿素总量较多,干茶和茶汤的绿色度较高,色泽较为协调。说明鄂茶10号优质绿茶加工揉捻时间以10~20 min为宜。

关键词: 鄂茶10号, 优质绿茶, 揉捻时间, 品质

Abstract: To study the effect of rolling time on quality of green tea E-Cha No.10 and optimize the rolling technology, the sensory quality and physical and chemical quality of green tea treated by different rolling time(0, 10, 20, 30, 40 min) by 6CR-35 rolling machine was studied. The results showed that rolling for 10 to 20 min was appropriate for green tea to maintain green, have bloomed and tippy appearance, green and bright infusion color, high floral and chestnut aroma, fresh and mellow taste, the minimum ratio of polyphenols to amino acids, lower index of catechin, which hinted the bitter and astringe extent of tea liquor, and furthermore, higher content of chlorophyll a, chlorophyll b and total chlorophyll, harmonious color of tea appearance and infusion. In conclusion, rolling for 10 to 20 min was appropriate for high-quality green tea made from E-Cha No.10.

Key words: E-Cha No.10, high quality green tea, rolling time, quality

中图分类号: