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1·Catechin is a phenol antioxidant found in grape seeds.

葡萄籽中含有的儿茶素是一种酚类抗氧化剂。

2·After six months, catechin levels were 32 percent lower.

储存6个月后，儿茶素含量比实验开始时减少了32%。

3·Study on the specific adsorption of catechin gallates by cedar lignocellulose.

杉树木质纤维素对酯型儿茶素类选择性吸附的研究。

4·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。

5·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。

6·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HSC CC分离纯化儿茶素单体，所得egcg产品的纯度达到98%以上。

7·Microbial degradative process from larch tannin to catechin was studied for the first time.

论文首次对微生物降解落叶松单宁为儿茶素的过程进行了研究。

8·To determine the mass fractions of catechin in the stem bark of Mitragyna rotundifolia Kuntze.

该文首次用高效液相建立了帽蕊木茎皮中儿茶素质量分数的测定方法。

9·ObjectiveTo determine the catechin and the antioxidation effect in natural tea and their beverages.

目的对绿茶及其饮料中茶多酚的含量及抗氧化性能进行测定。

10·Ingredients: enzymes, catechin, snow grass, ivy extract, pomegranate extract, coenzyme Q10 and so on.

主要成份：酵素、儿茶素、积雪草、常春藤提取物、石榴提取物、辅酶Q 10等。