采用酶动力学方法研究了对羟基肉桂酸对酪氨酸酶单酚酶的抑制效应。
The inhibitory effects of 4-hydroxycinnamic acid on the activity of monophenol oxidase in tyrosinase were studied using enzymological kinetic method.
目的建立苏合香丸中肉桂酸含量的测定方法。
OBJECTIVE a method was developed to determine the content of Cinnamic Acid in Suhexiang Pill.
研究了季铵盐催化下高锰酸钾氧化肉桂酸的反应。
The catalytic oxidation of cinnamic acid with phase transfer catalyst(PTC), quaternary ammonium salt benzyltrimethylammonium chloride is reported.
比较以硫酸盐和阳离子交换树脂分别为催化剂合成肉桂酸酯。
Syntheses of cinnamic esters catalyzed by solid acids such as sulphate and ion-exchanged resin were surveyed.
桂枝皮部中桂皮醛的含量较高，木质部中肉桂酸的含量较高。
The bark contains more cinnamaldehyde and less cinnamic acid than xylem.
比较以硫酸盐和阳离子交换树脂分别为催化剂合成肉桂酸酯。
Technology optimization of cinnamic acid synthesized by knoevenagal reaction using organic alkali catalyst;
介绍了肉桂酸的合成方法及改进，并对几种合成方法进行了分析。
The thesis introduced several methods of synthesis cinnamon acid and the improvement on the synthesis methods, and then analyzed these synthesis methods.
应用硫酸氢钾催化肉桂酸与正丙醇的酯化反应合成肉桂酸正丙酯。
Normal propyl cinnamylate was synthesized by the esterification of normal propyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.
以肉桂酸为参考峰，计算各特征成分相对保留时间比和相对峰面积比。
The relative retention time and relative peak area of every characteristic principle were calculated by cinnamic acid as reference peak.
以钨锗杂多酸为催化剂，对肉桂酸与异戊醇的液相酯化反应进行了研究。
Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso amyl alcohol in liquid phase.
采用酶动力学方法研究了对羟基肉桂酸对酪氨酸酶单酚酶和二酚酶活力的抑制效应。
The inhibitory effects of 4-hydroxycinnamic acid on the activity of monophenol oxidase and diphenol oxidase(containing) in tyrosinase were studied using enzymological kinetic method.
苯丙氨酸解氨酶(PAL)生物转化肉桂酸生产L苯丙氨酸成了该领域研究与开发的热点。
The biotransformation of trans-cinnamic acid to L-phenylalanine by using phenylalanine ammonia-lyase (PAL) has, therefore, become very important in the research and development of this field.
在此条件下，肉桂酸的产率能达到67.17%，高于传统加热法的产率(40- 50%)。
Under the optimum condition the yield of cinnamic acid was 67.17%, which was higher than the yield (40-50%) obtained under traditional heating method.
分析了4 羟基3 甲氧基肉桂酸的分子结构特点，研究了其二阶非线性光学性质和固体样品的透光性能。
Analyzed the molecular structure of 4-Hydroxy-3-Methoxy Cinnamylic Acid, and studied the second-order nonlinear optical properties.
随着苯甲酸、肉桂酸处理浓度的提高，西瓜幼苗根系的相对电导率不断提高，且苯甲酸的作用大于肉桂酸。
With the concentration increasing, the relative conductance rate continuously be raised, and the increasing degree of benzoic acid treated was more than cinnamic acid treated.
方法应用高效液相色谱法检测大鼠肝匀浆温孵液中剩余肉桂酸的含量，分析各诱导和抑制剂对肉桂酸代谢的影响。
METHODS the content of cinnamic acid in homogenized liver was measured by the reversed phase HPLC to analyze the effects of inductors and inhibitors on metabolism of cinnamic acid.
结论CYP1A是介导肉桂酸代谢转化的主要酶系，肉桂酸与抑制或诱导CYP1A酶的药物合用可能存在相互作用。
CONCLUSION CYP1A is the major enzyme in metabolism of cinnamic acid. The medicine, which have inducible and inhibitory effects on CYP1A, may have interaction with cinnamic acid.
结果分离并鉴定了2个化合物，分别为：8-羧甲基-对羟基肉桂酸乙酯（1）和8-羧甲基-对羟基肉桂酸甲酯（2）。
Results Two compounds were isolated and identified as 8-carboxymethyl-p-hydroxycinnamic acid ethyl ester(1) and 8-carboxymethyl-p-hydroxycinnamic acid methyl ester(2).
采用HPLC法对不同软化方法、微泡时间、蒸制时间的玄参进行测定，考察了不同炮制工艺对玄参中哈巴俄苷和肉桂酸含量的影响。
The influence of different processing methods to the content of harpagoside and cinnamic acid in Radix Crophalariae processed by different methods were determined by HPLC.
采用HPLC法对不同软化方法、微泡时间、蒸制时间的玄参进行测定，考察了不同炮制工艺对玄参中哈巴俄苷和肉桂酸含量的影响。
The influence of different processing methods to the content of harpagoside and cinnamic acid in Radix Crophalariae processed by different methods were determined by HPLC.
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