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- Free organic acid: Vanillic Acid, Cinnamic acid and ferulic acid. 游离有机酸,主要為香草酸,桂皮酸,阿魏酸。
- Amyl cinnamate was synthesized from cinnamic acid and amyl alcohol using tungstosilicic acid as catalyst. 以钨硅酸为催化剂,通过桂酸和戊醇酯化反应合成桂酸戊酯,研究了各有关因素对产品酯化率的影响。
- Content : minimum 5.0 per cent of cinnamic acid (C 9 H 8 O 2 ), calculated with reference to the dried drug. 本品按干燥品计算,含肉桂酸(C 9 H 8 O 2 )不得少于5.;0%25。
- In order to get more active compounds,two related active drugs by combination theory with raw material cinnamic acid. 目的:利用拼合原理,以桂皮酸为原料,与相关活性的药物成酯得到衍生物,以期得到活性更高的药物。
- Objective: To compare the diversity of contents of Cinnamic acid in Rhizoma Typhonii before and after being processed. 目的:比较禹白附炮制前后桂皮酸含量的变化。
- Cinnamic acid and vanillin are the allelochemicals commonly existed in eggplant root exudates. 摘要茄子根系分泌物中普遍存在肉桂酸和香草醛等化感物质。
- The results indicate that sodium benzoate, ammonium benzoate, cinnamic acid inhibited anodic process significantly. 结果表明:苯甲酸钠、苯甲酸铵、肉桂酸对DI材的阳极过程有明显的抑制作用;
- Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosilicic acid as catalyst. 以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯。
- This paper introduces the industrial synthesis and application of cinnamic acid,analyses its market and investment. 本文介绍了肉桂酸的工业合成方法和应用,并对肉桂酸的市场前景、投资回报进行了分析。
- The conversion ratio of cinnamic acid to phenylalanine was more than 42.36%,the accumulation of phenylalanine was 6.13g/L. 优化后;底物肉桂酸的转化率最高达到42.;36%25;产物L-苯丙氨酸的积累量为6
- Isopropyl cinnamylate was synthesized by the esterifiestion of isopropyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate. 用硫酸氢钾催化肉桂酸与异丙醇的酯化反应,合成了肉桂酸异丙酯。
- Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso-amyl alcohol in liquid phase. 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。
- Abstract:Objective To establish a new method for analyzing the contents of harpagoside and cinnamic acid in Xuanmaiganjie granula. 目的用反相高效液相色谱梯度洗脱法测定玄麦甘桔颗粒中哈巴俄苷与肉桂酸的含量。
- Conclusion The method can be used for the quantitative analysis of harpagoside and cinnamic acid in Xuanmaiganjie granula. 结论所建方法可用于玄麦甘桔颗粒中哈巴俄苷与肉桂酸的含量测定。
- Iso-butyl cinnamate was synthesized by the esterifiestion of iso-butanol with cinnamic acid with the presence of potassium bisulfate monohydrate. 应用硫酸氢钾催化肉桂酸与异丁醇的酯化反应,合成了肉桂酸异丁酯。
- Phenolics present in food products are mostly of the flavonoid type such as anthocyanidins, flavonols, and cinnamic acid derivatives. 酚醛塑料出现在食物中,主要表现为类黄铜物质,例如花色素、黄铜醇以及苯乙烯酸派生物。
- Objective: To investigate the effect of cinnamic acid (CINN) on differentiation induction of a human lung adenocarcinoma cell subline (A549). 目的:研究肉桂酸对人肺腺癌细胞的诱导分化作用。
- Results: There were great difference of the contents of Cinnamic acid in various batch.The contents degraded after had been processed. 结果:不同批次的禹白附中桂皮酸的含量差异较大,炮制后含量降低。
- The catalytic oxidation of cinnamic acid with phase transfer catalyst(PTC),quaternary ammonium salt benzyltrimethylammonium chloride is reported. 研究了季铵盐催化下高锰酸钾氧化肉桂酸的反应。
- And cinnamic aldehyde and cinnamic acid were extracted from cinnamon by MAE using water and ethanol as solvents and were analyzed by HPLC method. 利用聚焦式微波辅助萃取系统,结合HPLC分析,对肉桂中的肉桂醛和肉桂酸进行微波萃取分离和分析,并比较了水及乙醇等溶剂作为萃取溶剂的效果。