茶素

Zhang said the flavonoids that appeared to be the most protective included catechin , found in strawberries and green and black teas; kaempferol , found in Brussels sprouts and apples; and quercetin , found in beans, onions and apples.

章启月说，黄酮类化合物似乎是最保护包括儿茶素，发现在草莓和绿色和红茶；山奈酚，发现在布鲁塞尔举行的豆芽和苹果；和槲皮素，发现在豆类，洋葱和苹果。

Organic green tea extract powder contains Vitamin C and catechuic acid, which have good whitening and anti-oxidation effects; the flavonoid contained can help increase the absorption of Vitamin C, and therefore effectively resisting the formation of melanotic pigment, and keep skin young.

有机抹茶精粉中含有丰富的维他命C和儿茶素，对肌肤具有良好的美白、抗氧化作用；抹茶粉中的类黄酮能帮助增强维他命C的吸收，因此能够有效抵抗黑色素生成、维持肌肤年轻。

The rate constants of the reactions of α-hydroxyl ethyl peroxyl radicalwith quercetin, ruitn, catechin and baicalin were determined through pulse radiolysisstudies to be 〓,〓,〓〓 and 〓, respectively.

用脉冲辐解的方法得到槲皮素、芦丁、儿茶素以及黄芩甙与α-羟乙基过氧自由基的反应速率常数分别为〓；3.4〓；〓和〓。

The order is TRs〓＞extraction of black tea＞TB＞TRs〓＞TFs＞ECG＞EGC＞TP＞EGC＞EC. Comparing with catechins, peroxyl radical scavenging activities of their oxidative products were stronger.

儿茶素及其氧化产物对羟自由基有明显的清除作用，其清除·OH作用强弱顺序依次为TR〓＞红茶水提物＞TB＞TR〓＞TFs＞ECG＞EGC＞TP＞EGC＞EC。

They found this phytochemical from green tea rescued mice from lethal sepsis – and the findings could pave the way to clinical trials of EGCG in patients.

他们发现，这种植物化学从绿茶中救出小鼠败血症致死-和结果可以铺平道路临床试验中的儿茶素患者。

A method based on capillary electrophoresis with electrochemical detection has been developed for the separation and determination of epicatechin, kaempferol, chlorogenic acid, 4-hydroxybenzoic acid, quercetin and protocatechuic acid in hawthorn for the first time.

首次采用毛细管电泳—电化学检测法同时测定山楂中的6种活性成分：表儿茶素，山奈酚，氯原酸，4-羟基苯甲酸，槲皮素和原儿茶酸的含量。

Results: Nine compounds were obtained from the ethyl acetate fraction of C. speciosa and were identified as methyl chlorogenate, 5-O-cafeoyl quinic acid butyl ester, quinic acid butyl ester, 5-hydroxymethyl-furan-2-carbaldehyde, triacontanoic acid,-epicatichin, 7,8-dihydroxy-coumanrin, protocatechuic acid ethyl ester, and protocatechuic acid.

结果：从皱皮木瓜的乙酸乙酯萃取部位分离鉴定了9种化合物，分别为绿原酸甲酯，5-O-咖啡酰基－奎宁酸丁酯，奎宁酸丁酯，5-羟甲基－2-糠醛，三十烷酸，-表儿茶素，7，8-二羟基香豆素，3，4-二羟基苯甲酸乙酯，原儿茶酸。

The method is good reproducible and can be used to determine epicatechin in Rhizoma fagopyri dibotoryis.

该方法重复性好，可以用来测定金荞麦饮片中表儿茶素的含量。

These results indicate that cabbage phenolic extract and single phenolic acids,i.e.Ferulic acid,Sinapinic acid and Gallic acid,etc.

研究表明，卷心菜提取物以及单个酚酸（儿茶素、阿魏酸和香豆酸）可以抑制〓、〓—7，8—二氢二醇和四氯化碳在肝微粒体作用下的代谢，降低主要代谢产物〓—7，8—二氢二醇、〓—7，8—二氢二醇—9，10一环氧化物和丙二醛的生成量。

Catechines have an effect of inducing apoptosis of LoVo cells,which is antagonized by cycloheximide and zinc sulfate.

儿茶素能诱导大肠癌LoVo细胞的凋亡，这种凋亡作用能被放线菌酮或硫酸锌所拮抗。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。