ethyl vanillin

Synthesis method and new development of ethyl vanillin

乙基香兰素合成方法及研究新进展

In this paper , the synthetic methods and properties of ethyl vanillin and its application are discussed .

介绍了乙基香兰素的物理、化学性质和以黄樟素、乙基愈创木酚、对甲酚为原料的合成方法。

Linear sweep stripping voltammetric determination of ethyl vanillin in food samples

线性扫描溶出伏安法测定食品中的乙基香兰素

Properties and synthetic methods of ethyl vanillin

乙基香兰素的性质及合成方法

The synthesis of ethyl vanillin took place at the temperature from 55 ℃ to 60 ℃ .

合成乙基香兰素最佳温度55～60℃。

Synthesis and Application of Ethyl Vanillin

乙基香兰素的合成及应用

A linear sweep stripping voltammetry method for determination of ethyl vanillin in food samples was developed .

报道了食品中乙基香兰素的线性扫描溶出伏安测定方法。

But a recent market survey found spices like vanilla materials and ethyl vanillin in many well-known infant milk powders .

然而记者近日走访市场发现，多种知名婴儿奶粉均加入“香草味食用料”、“乙基香兰素”等。

The synthesis of ethyl vanillin from urotropin is a major method with high yields , simple process , and available raw materials .

乌洛托品法是合成已基香兰素的一种重要方法，它操作简单，原料易得，产率较高。

Synthesis of Ethyl Vanillin by the Phase-Transfer Catalysis

相转移催化法合成乙基香兰素的工艺改进

Synthesis Technique of Ethyl Vanillin by Urotropin

乌洛托品法合成乙基香兰素工艺研究

The effects were studied on the preparation of ethyl vanillin from urotropin , and a kind of metal oxide was used as catalyst to increase the yields and decrease the cost for the commercial application .

本文就乌洛托品法合成乙基香兰素的各种因素对实验结果的影响进行了详尽的研究，同时应用一种金属氧化物作为反应的催化剂，提高了产率，降低了成本，有利于工业化生产。

As an intermediate for preparing ethyl vanillin derived from glyoxylic acid , 3-ethoxy-4-hydroxymandelic acid ( EHMA ) is synthesized based on condensation of guaethol and glyoxylic acid in alkaline aqueous solution .

以邻羟基苯乙醚（乙基愈创木酚）和乙醛酸为原料，在碱性条件下发生缩合反应，合成了3乙氧基4羟基扁桃酸，此物质是以乙醛酸法制备乙基香兰素的中间体。

The production and market of vanillin , ethyl - vanillin and piperonal are briefly described .

简单介绍了香草醛、乙基香草醛、洋茉莉醛等芳醛的生产、市场情况。