葡萄籽中含有的儿茶素是一种酚类抗氧化剂。
新鲜茶叶中的四种主要的多酚类物质为儿茶素，epigallocatechin(?) ，epicatecingallate(?)
The four primary polyphenols found in fresh tealeaves are epigallocatechin gallate (EGCG), epigallocatechin, epicatechin gallate, and epicatechin.
表儿茶素：是一类具有抗氧化特性的低聚原花青素前体，存在于绿茶、葡萄酒、苹果、梨和巧克力中。
Epicatechins precursors of oligomer IC procyanidins with antioxidant properties. found in green tea wine apples pears and chocolate.
杉树木质纤维素对酯型儿茶素类选择性吸附的研究。
Study on the specific adsorption of catechin gallates by cedar lignocellulose.
说明在非酶促氧化过程中，儿茶素和表儿茶素是在苹果酒酿造后期及陈酿过程中起主要作用的酚类物质。
It was proved that catechin and epicatechin had a leading role during the final fermentation and storage of ciders in the process of non-enzymatic oxidation.
绿茶多酚是绿茶中儿茶素类、黄酮类、酚酸类和花色素类化合物的总称。
Green tea polyphenols(GTP) are the generic term of many compounds in green tea, including catechins, flavonoids, phenolic acids and anthocyans.
以杉木屑为原料制备木质纤维素，采用静态吸附、蒸馏水和80%乙醇分段洗脱等实验，研究其对茶儿茶素类及咖啡因选择性吸附作用。
Lignocellulose was prepared from cedar sawdust and used to isolate caffeine and tea catechins from tea extract by static adsorption and gradient elution using water and 80% ethanol.
结果表明，随原料级别的降低，所制罐装绿茶水中多酚类、儿茶素、咖啡碱、氨基酸的含量下降；
The results showed that contents of polyphenols, catechins, caffeine and amino acids decreased, off_flavor aroma got weak and tea cream decreased with the drop of raw material grade.
表儿茶素：是一类具有抗氧化特性的低聚原花青素前体，存在于绿茶、葡萄酒、苹果、梨和巧克力中。
Epicatechins precursors of oligomeric procyanidins with antioxidant properties. found in green tea wine apples pears and chocolate.
化学软件模拟计算的结果从理论上证实了茶树紫色芽叶中儿茶素类成分的抗氧化能力强于花青素类组分，这与实验结果相一致。
The simulating computation results theoretically approved that the antioxidative ability of catechins were stronger than those of anthocyanidins, corresponding to the experimental results.
儿茶素类作为绿茶的主要成分，具有广泛的生物学行为和药理功能。
Catechins, a major component of green tea, had both extensive biological action and pharmacological function.
儿茶素类物质的含量约占茶多酚总量的70%左右。
Catechu element kind the 70 % left and right sides that corporeal content occupies gross of tea much phenol about.
儿茶素类物质的含量约占茶多酚总量的70%左右。
Catechu element kind the 70 % left and right sides that corporeal content occupies gross of tea much phenol about.
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