茶素

The content of free aroma flucruantly increased during the processing of black tea congou. The content of GAPs gradually increased at the beginning of the withering and reached the highest value at the end of curling. Along with the fermentation,the decreasing of the activity of P -glucosidase.

工夫红茶加工过程中糖苷类香气前体与儿茶素的变化趋势与红碎茶类似，即伴随着儿茶素含量的持续下降，糖昔类香气前体的含量也逐渐降低，游离态香气含量则逐渐升高。

These pills contain epigallocatechin gallate, a catechin known for its potent antioxidant activity, and are currently being tested against a variety of cancers in clinical trials.

这些药丸含有儿茶素，儿茶素著称，其强大的抗氧化活性，并正在测试，对各种癌症的临床试验。

Green tea contains many compounds but the primary constituents of interest are the polyphenols, particularly the catechin epigallocatechin gallate.

绿茶含有多种化合物，但主要成分是多酚类物质利益，特别是儿茶素儿茶素。

The average recovery rates for industrial product and the leaves of Rubus suavissimus S.

该方法对甜茶素工业品及甜茶原叶中甜茶素的平均回收率分别为99%和100%。

Therefore, it is believed that the acacatechin is able to restrain the raise of blood sugar and keep fit.

降血糖：茶叶中儿茶素对淀粉及蔗糖酵素攝取有抑制作用，因此认为儿茶素有抑制血糖上升及减肥作用

Four different catechin content cultivars were selected from our tea germplasm appraisal database to assay the gene expression level of the seven genes, flavonol synthase, dihydroflavonol-4-reductase, leucoanthocyanidin reductase, anthocyanidin synthase, etc, which were involved in the flavonoids biosynthesis. The result showed that, the DFR and LAR transcripts were expressed increased with the increasing of tea catechin contents. Nevertheless, the others did not show this tendency clearly.

利用半定量PCR技术检测总儿茶素含量不同的4个茶树品种中与类黄酮合成相关的黄酮醇合成酶、二氢黄酮醇－4-还原酶、无色花色素还原酶、花色素合成酶等7个基因的表达情况，结果表明DFR和LAR基因的表达量与茶树中总儿茶素含量呈一定的相关性，而其他基因则与其相关性不大。

The antioxidant activity of the lipid-soluble epigaliocatechin-3-0-gallate-4'-myristate in soybean salad oil were investigated and compared in AOM test. Results: The results demonstrated that the antioxidant activity of the single-substitution EGCG myristate was almost corresponding to TBHQ.

结果：该脂溶性的EGCG衍生物为长碳链单取代的儿茶素－表没食子儿茶素－3-0-没食子酸－4'-肉豆蔻酸酯，在大豆色拉油中的抗氧化活性与叔丁基对苯二酚相当。

The most important antioxidant in white tea is EGCG, a potent catechin that neutralizes the harmful free radicals in the cells.

最重要的抗氧化剂在白茶是儿茶素，儿茶素是一种有效中和有害自由基的细胞。

To study the effect of Epigallocatechin gallateon hepatic microsomal drugmetabolizing enzyme and CCl4-induced liver injury.

研究儿茶素没食子儿茶素没食子酸酯对肝药酶和CCl4急性肝损伤的影响。

Following a 12-hour fast, each subject orally ingested a green tea extract tablet containing 245mg of catechin (82mg epigallocatechin gallate, EGCg), which delivered catechin levels comparable to two cups of green tea.

经过12小时的禁食，每位研究对象口服一粒含有245毫克儿茶素(82毫克EGCg)的绿茶补充剂，相当於约两杯绿茶所含有的儿茶素份量。60分钟后，研究对象之EGCg浓度明显增加约267%，而EGCg及PCOOH之浓度净变化则显示反比关系(r=0.52，p.05)。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。