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- 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。
- catechin gallates 酯型儿茶素类
- 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。
- 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。
- Simulated system was made by adding chlorogenic acid and catechin to both protein and pectin extracted from apple. 用从苹果中提取的蛋白和果胶,加入绿原酸和儿茶素,组成模拟体系;
- 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。
- 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%25以上。
- Content : minimum 21.0 per cent of the total amount of catechin (C 15 H 14 O 6 ) and epicatechin (C 15 H 14 O 6 ). 本品含儿茶素(C 15 H 14 O 6 )和表儿茶素(C 15 H 14 O 6 )的总量不得少于21.;0%25。
- TP content is determined by spectrophotometry with ferrous tartrate, and catechin content is determined by HPLC. 茶多酚含量用酒石酸亚铁分光光度法测定，儿茶素含量用高效液相色谱法测定。
- 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）。
- Tea catechin is a high effective and low toxic scavenger of freeradical and has various pharmacological and healthy functions. 茶儿茶素是一种高效低毒的自由基清除剂，具有多种药理和保健功能。
- The enzyme tannase, which is used in the present invention, is known to hydrolyse the galloyl ester linkages of polyphenolic substrates such as tannic acid, tea polyphenol gallates, and the like. 我们知道,这种在本发明中所使用的丹宁酶,可水解多酚酸类物质的棓酸酯键,如丹宁酸,茶叶的棓酸多酚酯及其类似物。
- Gallic acid,catechin and epicatechin of three monomeric phenols was separated well,the improved HPLC method was full of accuracy and precisio... 经测定;葡萄籽超微粉中;多酚含量10.;9%25(以儿茶素计);三种单体的总量为1
- 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。
- Methods TLC was applied to sanguis draxonis, borneolum syntheticum to determine the content of catechin of catechu using HPLC. 方法 采用TLC法对处方中血竭、冰片进行鉴别，用HPLC法测定方中君药儿茶中儿茶素的含量。
- 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,复合天然抗氧化剂的抗氧化性高于BHT和茶多酚,但比TBHQ低。
