茴香醛
- 名anisaldehyde
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通过薄板层析、红外、GC/MS分析,得知这种物质为脂肽类物质。气相色谱法测定邻茴香醛
GC / MS . GC Analysis of O - Anisaldehyde
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目的:研究小茴香提取物及主要成分茴香醛、茴香脑等对5氟脲嘧啶(5Fu)的促渗作用。
Objective : To study the effect of volatile oils from Foeniculum Vulgare Mill , anisaldehyde , anethole and water extracts on the percutaneous penetration of 5 fluorouracil .
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在此条件下,从大茴香醛肟到大茴香腈的最高收率达90.7%,并用IR表征了产物的结构。
Under these conditions , the highest yield of anisonitrile from aldoxime was up to 90.7 % , and the product anisonitrile was characterized by IR .
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本文叙述了以天然茴油为原料用MnO2-H2SO4氧化法进行氧化制备大茴香醛的改进方法。
A modified method of the preparation of anisaldehyde through oxidation of anethol in the presence of MnO_2-H_2SO_4 with natural star aniseed oil as the starting material is stated .
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可膨胀石墨催化合成季戊四醇双缩茴香醛
The Synthesis of Diacetals from Aldehydes with Pentaerythritol Catalysed by Expandable Graphite
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两相系统中生物转化茴脑生成茴香醛
Biotransformation of Anethole to Anisaldehyde in Aqueous-organic Solvents Biphasic Systems
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二氧化锰氧化茴脑制备茴香醛的工艺研究
Preparation of Anisaldehyde from Oxidation of Anethole by Manganese Dioxide
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气相色谱法测定邻茴香醛介绍了气相色谱与气味测定联用技术(GC/O)。
GC Analysis of O - Anisaldehyde GC / Olfactometry system was described .
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电化学氧化法合成茴香醛(Ⅱ)
Synthesis of Anisaldehyde by Electrooxidation (ⅱ)
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大茴香醛的合成研究
Study on Synthesis of Anisaldehyde
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5%茴香醛酊治疗浅部真菌病治愈率达74.26%。
5 % anisaldehyde tincture was applied to the patients . with dermatophytosis , the cure rate was 74 . 26 % .
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茴香醛是一种用途较广的有机中间体,应用于医药、化妆品、食品和材料等。
Anisaldehyde , as one of the most important chemical material or organic intermediates , was widely applied to medicine , cosmetics , food .
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提出了碱性电镀光亮锌镍合金的最佳镀液组成和工艺规范,并对茴香醛、四乙烯五胺和ZN&A5添加剂的吸附行为及其对锌镍电沉积过程的阻化作用进行了探讨。
Adsorption behaviour of anisic aldehyde . tetren and ZN-A5 additive as well as their inhibition effects on the electrodeposition process have been discussed .
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桂皮、八角和小茴香对鸭肉挥发性影响较大,主要是茴香醛、桂皮醛和茴香脑加入鸭肉中较多。
Cassia , aniseed and cumin had great effect on the volatiles of the duck , the most compounds the duck absorbed were anisic aldehyde , cinnamal and anethole .
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茴香醛是一种重要的有机中间体,它具有持久的山楂香气和较强的抗氧化性能,广泛应用于食品、医药及日用化学工业。
Anisaldehyde is an important organic intermediates , it has a lasting aroma of hawthorn and strong antioxidant properties , widely used in food , medicine and daily chemical industries .
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本文参阅近30多年来发表的100多篇文献,详尽地论述了茴香醛的利用前景和研究动态。
In this paper , a comprehensive review was given on the reasearch aspect of synthesis and prospective utilization of anisaldehyde based on the citation of more than 100 references over recent thirty years .
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目前茴香醛产品主要是通过化学法制备,存在严重弊端,新开发的电氧化工艺和臭氧化工艺,虽在环境问题上得到了极大改善,但反应条件苛刻、设备要求高,工业化困难。
Currently anisaldehyde products mostly prepared by chemical , has serious drawbacks . The newly developed electro-oxidation process and ozonation process , although in environmental issues has been greatly improved , but harsh reaction conditions , equipment for high , industrial difficulties .
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分子蒸馏八角茴香油微波催化氧化茴香脑制备茴香醛
Molecular Distillation of Star Anise Oil and Catalytic Oxidation of Anethole to Anisaldehyde in Microwave
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八角茴香油与臭氧反应6h,反应已基本完全(95%),茴香醛含量54.48(GC%);再延长反应时间,茴香醛产量反而下降。
The reaction of star anise oil with ozone completed 95 % after six hours reaction , and obtained 54 48 ( GC % ) of anisaldehyde which decreased with reaction time being longer .
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本文主要研究了以茴香脑为原料,用Ce~(4+)/Ce~(3+)作为氧化还原媒质,间接电化学氧化合成茴香醛。
The indirect electrochemical oxidation of anethole to anisaldehyde with Ce ~ ( 4 + ) / Ce ~ ( 3 + ) as redox mediator system was studied in this thesis .