不同茶树品种茶鲜叶加工黄茶的适制性研究
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(1. 湖南农业大学茶学教育部重点实验室,湖南 长沙 410128;2. 湖南农业大学国家植物功能成分利用工程技术研究中心,湖南 长沙 410128;3. 湖南省植物功能成分利用协同创新中心,湖南 长沙 410128)

作者简介:

宋玉欣,女,湖南农业大学在读硕士研究生。

通讯作者:

肖文军(1969—),男,湖南农业大学教授,博士生导师。E-mail:xiaowenjun88@sina.com

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基金项目:

国家重点研发计划(编号:2017YFD0400803);湖南省科技重点研发计划(编号:2018NK2032)


Study on the suitability of fresh tea leaves from different tea
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(1. Key Lab of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan 410128, China; 2. National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, Hunan 410128, China; 3. Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, Changsha, Hunan 410128, China)

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    摘要:

    以茶树品种碧香早、尖波黄和桃源大叶的夏季一芽一叶茶鲜叶为原料,将其分别加工成黄茶,通过感官品质、滋味品质和香气品质分析,探讨3个茶树品种的黄茶适制性。结果表明,与桃源大叶和碧香早相比,尖波黄茶鲜叶更适合于加工黄茶,由其加工而成的黄茶外形色泽金黄、香气清香带甜、滋味醇和较爽、汤色及叶底金黄较亮;水浸出物、氨基酸、茶多酚、黄酮、可溶性糖、茶黄素含量相对较高,分别为43.80%,2.27%,23.09%,1.06%,4.13%,0.24%,且酚氨比值最小,为10.17;儿茶素总量为14.21%,简单儿茶素总量为5.49%,酯型儿茶素含量为8.72%,酯型儿茶素/总儿茶素比值为0.61;同时香气物质种类最多、品质最好,其中大马士酮、十七烷、ɑ-松油醇、邻苯二甲酸二丁酯、4-\[2,2,6-三甲基-7-氧杂二环\[4.1.0\]庚-1-基\]-3-丁烯-2-酮、β-蒎烷、葑烯、3,6-壬二烯-1-醇乙酸酯、3,7,11-三甲基-1,3,6,10-十二碳-四烯、1-甲基-4-(2-甲基环氧乙烷基)-7-氧杂双环\[4.1.0\]庚烷10种香气物质为尖波黄特征性香气成分。研究结果表明,茶树品种尖波黄为加工黄茶的优异品种资源。

    Abstract:

    Taking the tea varieties of Bixiangzao, Jianbohuang and Taoyuandaye in summer with a bud and one leaf as raw materials, which were processed into yellow tea, respectively. The yellow tea suitability of three tea varieties was discussed via analyzing sensory quality, taste quality and aroma quality. The results showed that compared with Taoyuandaye and Bixiangzao, the fresh leaves of Jianbohuang were more suitable for processing yellow tea, and the yellow tea made from Jianbohuang had golden color in dried tea, delightfully fresh with sweetness, mellow and refreshing in taste, golden with light brightness in the color of tea soup and leaf bottom. The contents of water extract, amino acids, tea polyphenols, flavones, soluble sugar and the flavins were relatively higher, and were 43.80%, 2.27%, 23.09%, 1.06%, 4.13%, 0.24%, respectively. Besides, the ratio of phenol to ammonia of yellow tea made from the fresh leaves of Jianbohuang was the smallest, which was 10.17. The contents of total catechin, simple catechin and ester catechin were 14.21%, 5.49% and 8.72%, respectively, and the ratio was 0.61. At the same time, yellow tea made from Jianbohuang has the most aromatic substances and the best quality. Ten characteristic aroma components of Jianbohuang were damascone, heptadecane, α-terpineol, dibutylphthalate, 4-\[2,2,6-trimethyl-7-oxadicyclic\[4.1.0\]heptane-1-yl\]-3-butene-2-keone, beta-pinane, alkene, 3,6-nonadienyl-1-alcoholacetate, 3,7,11-trimethyl-1,3,6,10-dodecane-4-methyl, 1-methyl-4-(2-methylethylene oxide)-7-oxaheterocyclic \[4.1.0\] heptane, which indicates that tea variety Jianbohuang is an excellent variety resource for processing yellow tea.

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引用本文

宋玉欣,朱静静,张拓,等.不同茶树品种茶鲜叶加工黄茶的适制性研究[J].食品与机械,2019,(9):193-198.
SONGYuxin, ZHUJingjing, ZHANGTuo, et al. Study on the suitability of fresh tea leaves from different tea[J]. Food & Machinery,2019,(9):193-198.

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  • 收稿日期:2019-01-09
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  • 在线发布日期: 2022-11-24
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