The catechin content in cotton seedling of resistant cultivar was higher than that in susceptible seedlings.

对棉苗组织中儿茶素含量的测定结果表明：抗病品种棉苗组织中儿茶素含量较高；

Results and Conclusion Naringin , hesperidin and catechin sulfate were produced.

结果和结论有柚皮甙、橙皮甙和儿茶素硫酸酯的生成。

This HPLC method might provide a new way to separate oxy-polymers of catechin.

这为儿茶素氧化聚合物的制取及分离提供了一条新思路。

By using acetic ester as solvent, Tea Polyphenols and Catechin are separated from green tea.

应用乙酸乙酯作溶媒,从绿茶提取液中萃取茶多酚 、 儿茶素.

Then, catechin monomer was isolated and purified by HSCCC with the purity above 98%.

再以该茶多酚为原料，应用HSCCC分离纯化儿茶素单体，所得EGCG产品的纯度达到98%以上。

Wuxi Mingxin Bioengineering Co. LTD maim products cover green tea extract ( tea polyphenols, catechin ).

无锡明欣生物工程有限公司主要产品为绿茶提取物 ( 茶多酚 、 儿茶素 ).

Then, catechin monomer was isolated and purified by HSCCC with the purity above 98 %.

再以该茶多酚为原料, 应用HSCCC分离纯化儿茶素单体,所得EGCG产品的纯度达到98%以上.

Its absorption, distribution, biologic transformation and excretion were summarized in this paper, so as to provide some theoretical reference for further study of tea catechin.

本文综述了茶儿茶素在动物体内的吸收、分布、生物转化及排泄过程的研究进展，以期为茶儿茶素药理药效的深入研究提供一定的理论参考。

It has been proven and demonstrated that green tea catechin restricts the excessive buildup of cholesterol.

科学已经证明绿茶儿茶酚能限制形成过量胆固醇。

Catechin found in green tea can kill bacteria which causes food poisoning and kills the toxins produced by those bacteria.

儿茶精发现了在导致食物中毒和杀害毒素由那些细菌生产的绿茶可能杀害细菌。