乙基香兰素
- 网络Ethyl Vanillin;ethylvanillin
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线性扫描溶出伏安法测定食品中的乙基香兰素
Linear sweep stripping voltammetric determination of ethyl vanillin in food samples
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相转移催化法合成乙基香兰素的工艺改进
Synthesis of Ethyl Vanillin by the Phase-Transfer Catalysis
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草酸电化学合成乙基香兰素的研究
The Research on the Electrochemical Synthesis of Ethylvanillin from Oxalic Acid
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乙基香兰素工业装置转盘萃取塔的设计
Design of Rotating Disk Contractor in Ethyl vanillon Plant
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乙基香兰素合成方法及研究新进展
Synthesis method and new development of ethyl vanillin
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乌洛托品法合成乙基香兰素工艺研究
Synthesis Technique of Ethyl Vanillin by Urotropin
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乙基香兰素的性质及合成方法
Properties and synthetic methods of ethyl vanillin
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乙基香兰素的合成及应用
Synthesis and Application of Ethyl Vanillin
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合成乙基香兰素最佳温度55~60℃。
The synthesis of ethyl vanillin took place at the temperature from 55 ℃ to 60 ℃ .
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国内乙醛酸法合成乙基香兰素新工艺的进展及发展趋势
The Achievement of New Technology and Development Trend on Synthesizing of Ethyl Vanilin by Glyoxylic Acid Method
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报道了食品中乙基香兰素的线性扫描溶出伏安测定方法。
A linear sweep stripping voltammetry method for determination of ethyl vanillin in food samples was developed .
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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。
In this paper , the synthetic methods and properties of ethyl vanillin and its application are discussed .
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采用甲醇为洗脱溶剂,在最优化条件下,对牛奶中的香兰素和乙基香兰素的萃取回收率大于92.1%。
Methanol was verified to be suitable elution solvent and the extraction recovery was more than 92.1 % .
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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。
But a recent market survey found spices like vanilla materials and ethyl vanillin in many well-known infant milk powders .
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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。
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 .
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而电化学氧化法制备乙基香兰素可以解决这一问题,且具有反应条件易于控制、反应选择性高、产率高、耗电少、三废污染少等优点,值得研究。
Preparing ethylvanillin by electrochemical oxidation is worthy of being studied for such advantages as no catalysts , easy control of reaction conditions , high selectivity , high productivity , little electric energy , without pollution , etc.
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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。
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 .