在各种各样含有儿茶素（表没食子儿茶素没食子酸酯）的茶叶中，绿茶的儿茶素含量最高。
While all true teas contain EGCG (epigallocatechin-3-gallate), the various types of green tea have the most.
目的检测参加军事演习人员演习前和演习后尿儿茶酚胺含量，以探讨应激状态下尿中儿茶酚胺含量的变化。
Objective to detect the catecholamine content in urine of personnel before and after military manoeuvres to find out the change of catecholamine under stress.
在酶促氧化条件下，对模拟苹果酒体系中，儿茶素、表儿茶素、绿原酸和咖啡酸这四种单酚进行氧化聚合反应实验。
Under the condition of enzymatic oxidation, it was studied by the experiment of oxidative polymerization of catechin, epicatechin, chlorogenic acid and caffeic acid in the cider model system.
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