Influence of Amino Acid Foliar Application on the Amount of &#x003b3;-Aminobutyric Acid in Tea Leaf

ZHANG Ding; TANG Cha-Qin; CHEN Xuan; XU De-liang; XIAO Run-lin; LI Xing-hui

doi:10.13305/j.cnki.jts.2006.04.001

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Journal of Tea Science ›› 2006, Vol. 26 ›› Issue (4) : 237-242. DOI: 10.13305/j.cnki.jts.2006.04.001

Influence of Amino Acid Foliar Application on the Amount of γ-Aminobutyric Acid in Tea Leaf

ZHANG Ding¹, TANG Cha-Qin¹, CHEN Xuan¹, XU De-liang², XIAO Run-lin^{3, *}, LI Xing-hui^{1, *}

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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.

Key words

γ-Aminobutyric acid; / amino acid foliage spray / glutamic acid / tea

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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 https://doi.org/10.13305/j.cnki.jts.2006.04.001

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