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。
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。
Study on Tannase Produced by Aspergillus Niger and Propyl Gallate Biosynthesised by Immobilized Aspergillus Niger Cells in Organic Phase; The ellagic acid has been prepared by oxidation of the leaching solution of Chinese gallnut containing tannic acid. 黑曲霉产单宁酶的研究和有机相中固定化黑曲霉细胞生物合成没食子酸丙酯的初探以五倍子为原料浸取单宁酸,由单宁酸氧化制备鞣花酸。
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,而在绿茶中,这些抗氧化物的含量是红茶的三到四倍。
The formulas for these phenolic compounds are Epigallocatechin gallate is the main flavanol in dried green tea. Advances in Biosynthesis Pathways and Regulation of Flavonoids and Catechins 这些酚类化合物的分子式为:表儿茶素酸酯是干绿茶中的主要黄烷醇。类黄酮及茶儿茶素生物合成途径及其调控研究进展
Effects of Rho Kinase and PDE on Cyclic Nucleotide-mediated Vasodilation; Endothelium-dependent and-independent Vascular Relaxation Induced by Propyl Gallate in Rat Aortic Rings Rho激酶和磷酸二酯酶对环核苷酸依赖性血管舒张作用的调节没食子酸丙酯对离体大鼠胸主动脉的血管舒张作用及其机制
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。
Valuation of the arteriovenous impulse system and Propyl Gallate injection in reducing venous thrombosis after pelvic fracture in lower limbs subclavian arteries [ veins] 棓丙酯、动静脉泵预防骨盆骨折深静脉血栓的临床应用价值锁骨下动脉[静脉]
Effect of Propyl Gallate on Serum Urotensin and Adrenomedullin in Patients with Diabetic Foot 棓丙酯对糖尿病足患者血浆尾加压素和肾上腺髓质素水平的影响
Study on preparation process of high purity of epigallocatechin gallate ( EGCG) by column chromatography 二次柱层析制备高纯度表没食子儿茶素没食子酸酯(EGCG)的工艺研究
In the present article, we give a review on the reaction mechanism and many determinations of propyl gallate. 介绍了没食子酸丙酯的反应机理,并对没食子酸丙酯的测定方法进行了综述。
Effect of epigallocatechin 3 gallate on cell proliferation and cell cycle of bovine aortic endothelial cells 没食子儿茶素没食子酸酯抑制牛主动脉内皮细胞增殖和对细胞周期分布的影响
Synthesis and Properties of Copper Complex with Propyl Gallate 没食子酸丙酯-铜的合成及性质研究
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。
Propyl gallate known as a familiar antioxidant, is widely used in food industry. 没食子酸丙酯作为一种常见的抗氧化剂已被广泛应用于食品行业。
Synergetic antibacterial effects of epicatechin gallate and tetracycline against Staphylococcus aureus and their mechanism 表儿茶素没食子酸酯与四环素协同抗金黄色葡萄球菌作用及机制
2 μ m Mid-Infrared Optical Spectra of Tm~ ( 3+)-Doped Germanium Gallate Glasses Tm~(3+)掺杂锗镓酸盐玻璃的2μm中红外光谱特性
Polarographic adsorptive complex wave of antimony(ⅲ) with propyl gallate 锑(Ⅲ)-没食子酸丙酯配合物吸附波研究
Using the phosphotungstic acid immobilized on active carbon as catalyst, the iso-amyl gallate was synthesized directly by esterifying isoamyl alcohol and gallic acid. 以活性炭固载磷钨酸作为催化剂,用没食子酸与异戊醇直接酯化合成了没食子酸异戊酯。
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。
Objective To establish an external standard HPLC method for the determination of epigallocatechin gallate ( EGCG) microcapsules. 目的建立测定表没食子儿茶素没食子酸酯微囊含量的方法。
In this paper the synthesis of propyl gallate from gallic acid and n-propyl alcohol as reactants and catalyzed by sodium bisulfate was studied; various influencing factors on the reaction were also investigated. 研究了以硫酸氢钠为催化剂,没食子酸和正丙醇为原料合成没食子酸丙酯,并考察影响反应的因素。
Studies on the chemical structure of sodium antimony gallate 没食子酸锑钠的化学结构研究
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。
The yield of n-butyl gallate was93.4% 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%。
Improved preparation of propyl gallate 没食子酸丙酯制备工艺改进
To study the effect of Epigallocatechin gallate ( EGCG) on hepatic microsomal drug-metabolizing enzyme and CCl4-induced liver injury. 【目的】研究儿茶素没食子儿茶素没食子酸酯(EGCG)对肝药酶和CCl4急性肝损伤的影响。
STUDY ON SYNTHESIS AND PERFORMANCES OF MONOMETHYL FUMARATE-3-ISO-AMYL GALLATE ESTER By using potassium bisulfate as the catalyst, butyric acid and 1-pentanol reacted to form amyl butyrate. 富马酸单甲酯-3-没食子酸异戊酯的合成与性能研究采用硫酸氢钾为催化剂合成了丁酸戊酯,考察了催化剂用量、醇酸物质的量比、反应时间及催化剂重复使用次数等因素对收率的影响。
The interaction between Tween 80 and antioxidant propyl gallate 吐温80与抗氧剂没食子酸丙酯间相互作用的研究
The Propyl Gallate Butyl Gallate and Dodecyl Gallate were synthesized by gallic acid with propyl alcohol butyl alcohol and dodecanol catalyzed by p-toluenesulfonic acid dehydration by molecular sieves 4A under microwave irradiation. 本文以没食子酸、正丙醇、正丁醇和十二醇为原料,对甲苯磺酸为催化剂,4A分子筛作干燥剂在微波辐射下先后合成了没食子酸丙酯、没食子酸正丁酯与没食子酸月桂酯。