catechin
n. [化]儿茶酸
英英释义
Noun
- a tannic acid that is extracted from black catechu as a white crystalline substance
例句
- 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。
- The catechin is one kind of polyphenol.It is made up of four isomers. 儿茶素属于多酚类的一种,其中以茶叶的含量最多。
- 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)。
- With the same addition, the antioxidant activity of the CNA was higher than that of BHT and catechin, but lower than that of TBHQ. 在添加量相同的情况下，复合天然杭氧化剂的抗氧化性高于BHT和茶多酚，但比TBHQ低。
- A potent catechin, epigallocatechin gallate, or EGCG, is three to four times more abundant in green tea than black. 儿茶酚，儿茶素或是EGCG的药效都很强，而绿茶中它们的含量是黑茶的三到四倍。
- Green tea catechin and theaflavin, which are both present in black tea, have a strong effect on the flu virus. 绿茶儿茶酚，跟红茶里含有的一样，都对流行性病毒有很强的影响。