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。
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%。
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。
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。
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。
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。
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。
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。
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。
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。
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。
The preparation techniques of esters-catechin microcapsule by spray-drying were investigated in this paper.
研究了用喷雾干燥法制备酯型儿茶素微胶囊的生产工艺。
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。
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；
It is also thought that the anti viral capability of green tea catechin may have some beneficial effect on the AIDS virus.
同时，拥有抗病毒能力的绿茶酚可能在对抗艾滋病病毒上也有一些作用。
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。
This paper investigated inhibition of Agrobacterium rhizogenes by tea catechin and screening of the anti-polyphenol strain.
本文研究了茶叶儿茶素对发根农杆菌的抑制作用并进行了抗酚菌株的筛选。
The results show that the antioxidant ability of tea catechin of large leaf tea is more intense than that of small leaf tea.
结果表明，大叶种茶的儿茶素的抗氧化作用强于小叶种茶。
DFR/LAR is very important enzymes in flavone biosynthesis pathway and have significant regulating function in catechin biosynthesis.
DFR/LAR是黄酮类化合物合成下游途径中的重要酶类，在儿茶素合成途径中具有重要的调节作用。
An efficient optimization method was used to separate catechin compounds by reversed-phase high performance liquid chromatography (RP-HPLC).
有效地确定了反相高效液相色谱分离儿茶酚化合物的最佳条件。
Flavan -3 -ol and proanthocyanidin were determined by vanillin assay, expressed by catechin equivalents, and flavan-3-ol determined by HPLC.
香草醛法测定了黄烷-3-醇单体和原花青素的总量，HPLC法测定了黄烷-3-醇单体的含量。
Thus, it might be concluded that blocking effect on NPRO formation was mainly due to tea polyphenolic compounds especially tea catechin in tea.
由此可以认为，茶叶中影响N -亚硝化反应的主要成分为茶多酚，尤为茶儿茶素。
White tea especially white hair silver needle has high contents of free amino acids and active antioxidants with catechin in its tea polyphenols.
白茶，特别是白毫银针，富含多种氨基酸和抗氧化剂-茶多酚中的儿茶素。
White Tea, especially White Hair Silver Needle, has high contents of free amino acids and active antioxidants with catechin in its Tea Polyphenols.
白茶，特别是白毫银针，富含多种氨基酸和抗氧化剂-多酚中的儿茶素。
In fruits with both astringent and bitter taste, the contents of chlorogenic acid, catechin, epicatechin, phloridzin, and procyanidins were the highest.
苦涩味均较强的果实其绿原酸、儿茶素、表儿茶素、根皮素和原花青素含量最高。
This article dealt with the effect of catechin on activity of Superoxide Dismutase (SOD) of serum in white mice under different experimental conditions.
探讨了儿茶素在不同条件下对小白鼠血清sod水平的影响。
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.
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。
If non-extractable polyphenols are not considered, the levels of beneficial polyphenols such as proanthocyanidins, ellagic acid and catechin are substantially underestimated.
如果考虑不可萃取的多酚，水果中有益多酚如原青花素，鞣花酸，儿茶酚含量远远超出人们估计的含量。
If non-extractable polyphenols are not considered, the levels of beneficial polyphenols such as proanthocyanidins, ellagic acid and catechin are substantially underestimated.
如果考虑不可萃取的多酚，水果中有益多酚如原青花素，鞣花酸，儿茶酚含量远远超出人们估计的含量。
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