Changes of Major Biochemistry Composition during Process of Titian Xiufeng Green Tea
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Abstract:
Changes of major biochemistry composition during the process of green tea from Titian Xiufeng in terraced field were investigated.The results showed that the content of chlorophyll decreased and the green hue of color decreased.The content of amino acids and soluble sugar firstly increased and then decreased.The increase of amino acids and soluble sugar in drying period were useful for the formation of aroma substance.Tea polyphenols and the catechins contents decreased,among which contents of the EGCG and ECG decreased significantly while contents of the EGC,C and EC increased.It was important for good quality of Titian Xiufeng tea to select reasonable processing technology and proper technical parameters based on changes of the contents of major chemical compositions.
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陈玉琼,唐海燕,余 志,卢志和. Changes of Major Biochemistry Composition during Process of Titian Xiufeng Green Tea[J]. Jorunal of Huazhong Agricultural University,2010,29(5):644-647.