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Effect of Pressurizing Techenological Processe on the Enzymic Activity of Fresh tea Leaves
Author(s): GU Qian, TENG Debin, YAN Jie, YAN Jinghua, LI Chun
Pages: 119-
122
Year: 1999
Issue:
2
Journal: ACTA LASER BIOLOGY SINICA
Keyword: 压力; 酶; 酶活力;
Abstract: 本试验验采用调控大气压力的物理方法,研究了在红茶制作过程中加压与多酚氧化酶、α-淀粉酶、转化酶、蛋白水解酶活力强弱的关系.结果发现:加压能提高这四种酶活力,且在一定范围内随压力增加和加压时间延长,其活力均提高.同时,又研究了压力对多酚氧化酶(PPO)同工酶活力的影响.结果发现:PPO1、PPO2的活力有较小幅度的提高,PPO3基本没有变化,PPO4、PPO5、PPO6随加压时间延长,活力呈大幅度提高.
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