Objective: To improve the synthesis technology of n-butyl gallate.
目的:改进没食子酸正丁酯的合成工艺。
Ethyl and propyl gallate were synthesized without water carrying agent.
乙酯和丙酯的合成还摒弃了带水剂。
Objective To determine the gallate level in Reling Qing Syrup with HPLC.
目的用高效液相色谱法测定热淋清糖浆中没食子酸的含量。
Result:In optimal conditions, the yield of n-butyl gallate was over 93.8%.
结果:在最佳实验条件下没食子酸正丁酯收率达93.8%。
The yield of n-butyl gallate was 93.4% under the optimum reaction condition.
在优化反应条件下,没食子酸正丁酯的收率达到93.4%。
A new processing method of propyl gallate was advanced in order to decrease the cost of production.
对常见的没食子酸丙酯提出一种尚未见报道的制备方法,可以大幅度地降低生产成本。
While all true teas contain EGCG (epigallocatechin-3-gallate), the various types of green tea have the most.
在各种各样含有儿茶素(表没食子儿茶素没食子酸酯)的茶叶中,绿茶的儿茶素含量最高。
Mr Gallate says advertisers are turning to the Internet because it gives them a way to deliver targeted messages.
加拉特先生表示,广告客户正在转向互联网,因为网络给他们一个传递有针对性信息的途径。
The study is just that epigallocatechin gallate (EGCG) has for the adjuvant treatment of HIV infection potential.
这项研究仅仅是认为表没食子儿茶素没食子酸酯(EGCG)具有用于艾滋病病毒感染辅助治疗的潜力。
Then-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid.
以十二烷基苯磺酸为催化剂,酸醇直接酯化合成没食子酸正辛酯。
Conclusion:Propyl gallate has inhibitory effect on the contraction of rat isolated intestine and mouse intestinal peristalsis in vivo.
结论:棓丙酯对大鼠、小鼠肠平滑肌运动具有明显抑制作用。
The four primary polyphenols found in fresh tealeaves are epigallocatechin gallate (EGCG), epigallocatechin, epicatechin gallate, and epicatechin.
新鲜茶叶中的四种主要的多酚类物质为儿茶素,epigallocatechin(?) ,epicatecingallate(?)
Objective to elucidate the mechanism of apoptosis induced by epigallocatechin-3-gallate (EGCG) on human gastric cancer BGC823 cells via mitochondrial pathway.
目的探讨表没食子儿茶素没食子酸酯(EGCG)通过活化线粒体途径诱导人胃癌BGC823细胞凋亡的作用机制。
Objective Polyphenol components isolated from green tea have strong antioxidant action Epigallocatechin gallate(EGCG) is main composition of green tea extract.
目的从绿茶中提取的多酚成分,具有很强的抗氧化作用。 没食子酰表没食子儿茶素(EGCG)是该提取物的主要成分。
The effects of the amount of sodium bisulfate monohydrate, the amount of n butyl alcohol and reaction time on the yield of n butyl gallate have been investigated.
研究了以没食子酸和正辛醇为原料合成没食子酸正辛酯的新工艺 ,讨论了正辛醇的用量、夹水剂的种类和过量正辛醇的循环使用次数对酯化反应的影响。
Through orthogonal test was designed for optimal inhibition the new compound color fixative:green tea extract 0.03%, propyl gallate 0.005%, citric acid 1.0%, VE 0.01%.
前言: 利用柠檬酸、VE、 没食子酸丙酯、绿茶提取物各自的特性,通过正交实验最终确定了最佳的新型复合护色剂组合:绿茶提取物0.03%、没食子酸丙酯0.005%、柠檬酸1.0%、VE含量0.01%。
The separating preparation process of epigallocatechin gallate includes HPLC separation of tea polyphenol, fraction interception, membrane distillation and concentration, etc.
一种表没食子儿茶素没食子酸酯的分离制备工艺,包括对茶多酚的HPLC分离、馏分截取、膜蒸馏浓缩等。
Objective To investigate the effects of epigallocatechin gallate (EGCG), an abstract from Chinese medical herbs, green tea polyphenol, on the growth of mice cortical neurons in vitro.
目的观察表没食子儿茶酚没食子酸酯(EGCG)对体外培养的胚鼠皮层神经细胞生长的影响。
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
对甲苯磺酸为催化剂,用梯度升温法,酸、醇直接酯化合成没食子酸正(异)丁酯。
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
对甲苯磺酸为催化剂,用梯度升温法,酸、醇直接酯化合成没食子酸正(异)丁酯。
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