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柠檬醛和桉叶油素的新资源植物。New resource plants for citral and cineole.

香叶醛由香叶醇氧化得到的柠檬酸的结构上的同质异构体。A structural isomer of citral that is obtained from the oxidation of geraniol.

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柠檬酸是一种广泛应用于食品和日用化学品工业的天然香料。Citral is a kind of natural spice used widely in food and daily chemical goods.

文章综述了近年来柠檬醛的合成研究进展。This paper reviewed the research progress in synthesis of citral in the recent years.

用相转移催化合成了柠檬醛二乙缩醛，提高了产率。Phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.

再由柠檬醛，经次氯酸钠选择性环氧化，而后开环转化为芳樟醇。Citral underwent selective epoxidation of sodium hyp rite and Wharton transposition to afford Linalool.

该方法取决于亚硫酸盐加成物的形成，然后将其水解以产生纯的柠檬醛。The method depends on the formation of a sulfite addition product which is hydrolyzed to yield the pure citral.

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采用减压间歇精馏方法，对从天然产物山苍子油中提取柠檬醛产品的精制过程进行了研究。The refining process of citral product from natural litsea cubeba was studied by means of vacuum batch distillation.

以柠檬醛和1，2-丙二醇为原料，甲基磺酸铜为催化剂，合成了柠檬醛缩1，2-丙二醇。Citral 1,2-propanediol acetal was synthesized using citral and 1,2-propanediol as raw materials and copper methanesulfonate as catalyst.

脂筏干扰实验表明膜胆固醇水平维系与柠檬醛生长抑制活性关系密切。Interference experiments on lipid rafts showed that proliferation activity of Citral is closely related to cholesterol levels maintaining.

从而为通过水蒸气精馏和真空精馏从山苍子油中单离柠檬醛产品提供必要的理论依据。These results provided the necessary theoretical basis for seperating citral from Litsea citrata oil and designing the distillation column.

采用山苍子油提取得到的柠檬醛和丙酮等为主要原料合成鸢尾酮。Irone was obtained through three steps reactions with citral and acetone. Citral reacted with acetone in the base catalyst to give pseudoionone.

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综述了柠檬醛的制取与紫罗兰酮类化合物的合成路线，以及紫罗兰酮类化合物的合成方法进展。Various processes for preparation of citral and synthesis of ionones are introduced, and recent progress in the synthesis of ionoes are reviewed.

目的研究肉桂醛、柠檬醛对黄曲霉和烟曲霉细胞DNA、RNA水平的影响，以期探明其抗真菌的作用机制。Objective To investigate the effects of cinnamaldehyde and citral on DNA and RNA of Aspergillus flavus and A. fumigatus cells and their mechanisms.

在不同磁感应强度的磁场中，研究了磁化处理对柠檬醛精制过程的影响。In the magnetic field that has different intensity of magnetization, the influence of magnetizing treatment on the refined process of citral was investigated.

从山苍子提取出的柠檬醛，与硫酸羟胺反应生成柠朦肟，脱水后可得到柠檬腈。Lemonile was manufactured by the dehydration of citral oxime obtained by the reaction of hydroxylamine sulfuride and citral abstracted from litsea cubeba oil.

用山苍子油直接同硫酸羟胺反应生成柠檬肟，再加入乙酐和相转移催化剂脱水得到柠檬腈。Litsea cubeba oil reacted with hydroxylamine sulfate to give citral oxime, which by dehydration with acetic anhydride in the presence of phase transfer catalyst gave lemonile.

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本文对柠檬醛、香精油的抗菌机理及本领域的研究进展、存在的问题作一综述，并对其发展前景进行了讨论。In this paper, mechanism of antimicrobial activity of citral and related essential oils, recent achievement in antimicroorganisms are reviewed. The prospect and problems are also discussed.

简略叙述了甲基紫罗兰酮的香气特征及其在香精方面的应用，主要介绍了从山苍子精油中提取柠檬醛来合成甲基紫罗兰酮的方法。The aroma characteristic of methyl ionone and its application in essence is outlined briefly. The synthetic method of methyl ionone by using citral from litsea cubeba oil is mainly introduced.