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Estimation of black tea quality by analysis of chemical composition and colour difference of tea infusions

โœ Scribed by Yuerong Liang; Jianliang Lu; Lingyun Zhang; Shan Wu; Ying Wu


Book ID
108433696
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
183 KB
Volume
80
Category
Article
ISSN
0308-8146

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The effect of gibberellins on tea leaf chemical composition and quality was investigated. The results showed that application of gibberellins was beneficial to green tea quality. Content of amino acids increased by 9 4 % and that of vitamin C by 1743% and tea catechins index increased by 12.9%. The