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| 叶面喷施氨基酸对茶叶中γ-氨基丁酸含量的影响 | |
| 引用本文： | 张定,汤茶琴,陈暄,徐德良,肖润林,黎星辉.叶面喷施氨基酸对茶叶中γ-氨基丁酸含量的影响[J].茶叶科学,2006,26(4):237-242. |
| 作者姓名： | 张定 汤茶琴 陈暄 徐德良 肖润林 黎星辉 |
| 作者单位： | 1. 南京农业大学茶叶研究所,江苏,南京,210095 2. 南京农业大学茶叶研究所,江苏,南京,210095;无锡市茶叶品种研究所,江苏,无锡,214063 3. 无锡市茶叶品种研究所,江苏,无锡,214063 4. 中国科学院亚热带农业生态研究所,湖南,长沙,410125 |
| 基金项目： | 中国科学院基金;江苏省科技攻关项目;江苏省自然科学基金 |
| 摘 要： | 用不同种类、不同浓度氨基酸喷施茶树,采摘鲜叶并进行真空厌氧处理。比较分析不同处理对茶叶中γ-氨基丁酸(GABA)生物合成量、厌氧处理对茶样中各氨基酸含量以及施肥时间对GABA合成的影响。结果表明,茶树喷施氨基酸后,经真空厌氧处理茶鲜叶中γ-氨基丁酸含量明显上升,6种氨基酸对GABA合成的影响作用由高到低为谷氨酸、天冬氨酸、谷氨酰胺、苯丙氨酸、甘氨酸、丙氨酸。茶鲜叶中氨基酸含量尤其是谷氨酸、天冬氨酸及茶氨酸含量高低可以作为评价GABA合成作用的指标;叶面喷施谷氨酸5d时,茶鲜叶中氨基酸总量以及谷氨酸、天冬氨酸和茶氨酸增加总量最高。综合分析确定施0.5%谷氨酸叶面肥5d后,采摘一芽二、三叶鲜叶,常温下厌氧处理8h,是生产γ-氨基丁酸茶的理想方法。 |
| 关 键 词： | 茶 γ-氨基丁酸 氨基酸叶面肥 谷氨酸 |
| 文章编号： | 1000-369X（2006）04-237-06 |
| 收稿时间： | 2006-04-03 |
| 修稿时间： | 2006-08-24 |
Influence of Amino Acid Foliar Application on the Amount of γ-Aminobutyric Acid in Tea Leaf |
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| ZHANG Ding,TANG Cha-Qin,CHEN Xuan,XU De-liang,XIAO Run-lin,LI Xing-hui.Influence of Amino Acid Foliar Application on the Amount of γ-Aminobutyric Acid in Tea Leaf[J].Journal of Tea Science,2006,26(4):237-242. | |
| Authors: | ZHANG Ding TANG Cha-Qin CHEN Xuan XU De-liang XIAO Run-lin LI Xing-hui |
| Institution: | 1. Tea Research Institute, Nanjing Agriculture University, Nanjing 210095, China; 2. Tea Variety Research Institute, Wuxi 214063, China; 3. Subtropic Agricultural Ecology Research Institute, Chinese Academy of Science, Changsha 410125, China |
| Abstract: | Vacuum and anaerobic treated fresh tea leaves which sprayed by different kind or concentration of amino acid were investigation. The influence on theγ-aminobutyric acid (GABA) biosynthesis by different treatments were analyzed. The result showed that the content ofγ-aminobutyric acid was enhanced obviously after foliage-sprayed and vacuum treatment. The influence of six types of amino acid on the ability ofγ-aminobutyric acid biosynthesis was Glutamic Acid>Asparticacid>Glutamine>Phenylalanine>Glycine>Alanine. The content of Glutamic acid, Aspartic acid and Thenine in tea fresh leaves may be the criterion of synthesizing ability forγ-aminobutyric acid. The total content of Glutamic acid, Aspartic acid and theanine has reached the peak on the fifth day in tea fresh leaves. 0.5% Glutamic acid sprayed on tea leaves for 5 days is the best method. |
| Keywords: | tea γ-Aminobutyric acid amino acid foliage spray glutamic acid |
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