曲酸

曲酸生产菌的同步辐射软X射线诱变选育和发酵动力学研究

Mutation effects of kojic acid production strain induced by synchrotron radiation of soft X-rays and kinetics of the fermentation

SDS对PPO活力有激活作用；亚硫酸钠、柠檬酸、抗坏血酸、曲酸和托酚酮对PPO有不同程度的抑制作用。

SDS activated PPO activity , sodium sulfite , citric acid , ascorbic acid , kojic acid and tropolone have different degrees of inhibition on PPO activity .

为评价常用皮肤美白剂的美白效果，我们采用B-16黑色素瘤细胞株为受试细胞，对熊果苷、曲酸、甘草提取物和Vc衍生物等4种常用皮肤美白剂的功效进行测定。

To assess the effect of several skin lighteners , B-16 melanoma cells were treated with arbutin , kojic acid licorice and ascorbic acid .

曲酸衍生物和BL-99均可致B16细胞中酪氨酸酶活性呈波动性变化。

Both kojic acid derivatives and BL-99 can lead the tyrosinase activity to undulated changes .

考查了曲酸在玻碳电极上的电化学行为，示差脉冲伏安法（DPV）可应用于测定曲酸，然而测定样品时裸电极的稳定性差；

The electrochemical behavior of kojic acid with a glassy carbon ( GC ) electrode was investigated . The contents of kojic acid were measured by differential pulse voltammetry ( DPV ) .

曲酸是值得推广的防褐变剂。

So kojic acid is the anti-browning agent worth of promotion .

曲酸生产菌种的筛选和发酵培养条件的优化

Selection of Kojic Acid Producing Strains and optimization of the Fermentation Condition

曲酸霜的处方设计及稳定性研究

Study on formulation design and stability of kojic acid cream

曲酸作为化妆品添加剂的增白作用机理研究

Studies on Whitening Effect of Kojic Acid as Cosmetic Additive

曲酸二棕榈酸酯光敏感性水凝胶智能给药系统的研究

Study on Intelligent Drug Delivery System of Light Sensitive Hydrogel Loaded Kojic Dipalmitate

多壁碳纳米管化学修饰玻碳电极用于曲酸的伏安测定

Voltammetric Determination of Kojic Acid with the Multi-wall Carbon Nanotubes Modified Glassy Carbon Electrode

曲酸的特性、制取方法与应用

Synthesis of Kojic Distearate and It 's Application

曲酸生产菌的紫外线诱变及发酵条件研究

Breeding by Ultraviolet Ray Mutation of Kojic Acid Producing Strain and Studies on Fermentation Conditions

曲酸双棕榈酸酯的制备和性能

Preparation and property of kojic dipalmitate

酪氨酸酶活性抑制实验表明，所有化合物对酪氨酸酶活性抑制均没有曲酸强。

The experiment of inhibitory activities on tyrosinase show that all compounds were smaller than Kojic acid .

结论：桑叶提取物对酪氨酸酶活性起到了与曲酸相似的抑制作用。

CONCLUSION : The inhibition of extract from mulberry leaves on tyrosinase activity is similar to that of kojic acid .

本文介绍了用曲酸、曲酸衍生物与有机酸配合制成抑制皮肤黑色素生成的新组分。

The new compositions of inhibiting melanogenesis of skin formulated by kojic acid and its derivatives with organic acid are introduced in this paper .

发酵法生产曲酸还未实现大规模工业化生产的原因之一是曲酸菌种产酸率较低。

One of key factors , which hindered producing kojic acid on industrial scale is that the yield of kojic acid producing strain is low .

曲酸是微生物利用淀粉糖原料好氧发酵产生的一种弱酸性化合物。

Kojic acid is a kind of weak acid chemical compound that was produces by microorganism that make fine oxygen ferment with the starch candy raw materials .

成份：蛇胆、牛黄、熊果苷、曲酸复合体、丹参酮、珍珠、芦荟、金银花、白芷、硫磺等中药成份。

Ingredients : Snake gall , bezoar , arbutin , kojic acid complex , tanshinone , pearl , aloe , honeysuckle , angelica root , sulfur and etc.

本文提出用高效液相色谱&安培检测食品或化妆品中曲酸的新方法。

In this article , a high performance liquid chromatographic ( HPLC ) method with the electrochemistry detector for the determination of the kojic acid in food or cosmetic product was studied .

随着市场应用领域的不断扩大，特别是在食品添加剂、化妆品上的应用日渐成熟，曲酸在未来一段时间内将继续保持良好的市场价位和市场需求态势。

As applications in market continue to expand , particularly in food additives and cosmetics , kojic acid will maintain its favorable position in price and demand . A kojic acid producing strain is isolated from a naturally fallen and moldy orange peel .

向米曲霉变异株Co-26的初始发酵培养基中加入一定浓度梯度的乙醇作为曲酸生成促进剂，结果表明添加质量浓度为6%无水乙醇的效果最好，曲酸得率在原来基础上提高16%。

A certain concentration ethanol was added into the fermentation medium of kojic acid producting as an accelerator . The results showed that 6 % mass concentration ethanol had the best effects to increase the yield , and the yield improved by 16 % .

另外，通过使用阳离子交换树脂更好的去除粗制曲酸溶液中的杂质阳离子后，采取直接浓缩结晶的方法直接制得曲酸结晶，最终获得的曲酸结晶的收率为78.67%，产品纯度为98.26%。

In addition , after the removal of the cationic impurity with cation exchange resin , kojic acid crystal was obtained by the way of direct concentration crystallization . Finally , 78.67 % kojic acid yield coefficient was obtained and its purity was 98.26 % .

〔目的〕通过对目前国内进口化妆品市场中曲酸使用情况的调查，形成1份比较有应用价值的报告，填补这一领域的科研空白，为今后加强进口化妆品的检验检疫监督管理提供科学依据。

Objective To investigate the usage of kojic acid in the imported cosmetics products which were sold in Chinese market , and to fill up the gap in such area and provid the reliable basis for the inspection and quarantine department in the management of imported cosmetics products .