异抗坏血酸

异抗坏血酸及其钠盐生产中的有机化学基本原理

General Principles of Organic Chemistry in the Industrial Preparation of Isoascorbic Acid and Its Sodium Salt

以D-异抗坏血酸钠粗品为起始原料，采用在甲醇溶液中H2SO4酸化的方法，制得了D-异抗坏血酸粗品。

Crude D-isoascorbic acid was got by acidification of crude sodium D-isoascorbate in methanol with H2SO4 .

如果使用PVPP除去大部分的酚类物质，再结合SO2，D-异抗坏血酸钠使用效果会更好。

If the use of PVPP could remove most of phenolic compounds , combined use of SO2 and sodium D-isoascorbate could achieve better effects .

添加0.02%的D-异抗坏血酸钠可以有效地抑制JNC饮料变色，使其成品贮存180天以上仍不褪色。

Add 0.02 % D-VjC sodium can effectively inhibit JNC beverage from color changing , and the product is still stable though it have been kept in storage for more than 180 days .

苦瓜汁的适宜用量为6%，将苦瓜块在沸水中烫漂30s后，放入料水比1：3的0.1%柠檬酸+0.05%异抗坏血酸+1%食盐的护色液中，可保持苦瓜汁的色泽。

The primary colors of bitter gourd was kept with fresh bitter gourd 6 % , scalded 30s in the boiling-water , color-protected in bitter gourd : water 1:3 ( m / v ) added 0.1 % citric acid and 0.05 % iso-ascorbic acid and1 % salt .

24℃下，2.9gD异抗坏血酸和3.8g棕榈酸甲酯分别缓慢加入到14mL的浓硫酸中，搅拌反应24h。

D-Isoascorbic acid ( 2.9 g ) and con . H_2SO_4 ( 14 mL ) are gradually mixed at 24 ℃ . Methyl palmitate ( 3.8 g ) is slowly added and the mixture is stirred for 24 h.

胡萝卜的适宜用量为20%，添加0.5%柠檬酸和0.5%异抗坏血酸，料水比1：2，在不锈钢锅中预煮10min，可保持胡萝卜汁的色泽和消除生焖味。

The primary color of carrot was kept and its raw flavour was removed with fresh carrot 20 % , carrot : water 1:2 ( m / v ) , precook - ing for 10 min in stainless steel boiler added 0.5 % citric acid and 0.5 % iso-ascorbic acid .

催化动力学光度法测定锅炉给水中异抗坏血酸钠

Catalytic Kinetic Photometric Determination of sodium isoascorbate in boiler feed water

D&异抗坏血酸钠在鱼类保鲜中的研究

Application of D-Sodium Ascorbate in Pretreated fresh r Fishing Fo Fresh-keeping

考察了D-异抗坏血酸钠与碱在一定温度下于不同比例的CH3OH-H2O体系中的反应。

The stability of sodium D-isoascorbate in base-CH_3OH-H_2O media is investigated .

流动注射分析测定锅炉给水中微量异抗坏血酸

Fiow injection determination of Micro-amount of iso-ascorbic acid N boiler feed-water

陶瓷膜在D-异抗坏血酸钠精制中的应用

Application of Ceramic Membrane Filtration in Purification of Sodium Erythorbate

D-异抗坏血酸钠生产废液处理研究

A study on treatment of wastewater from sodium isoascorbate production

异抗坏血酸稳定亚硫酸盐防腐蚀作用的研究

Anti corrosion Action of Sulfite Stabilized by Isoascorbic Acid

产品结晶是保证D&异抗坏血酸钠质量的关键之一

Crystallization of Product ── One of Keys Guaranteeing the Quality of Sodium D-Isoascorbate

D&异抗坏血酸产生菌的筛选及诱变育种

Screening and Mutagenic Treatments of D-Isoascorbic Acid-Producing Strain

D-异抗坏血酸作为一种食品添加剂，有着广阔的市场。

As a sort of food additives , D-isoascorbic acid has a broad market .

食品添加剂&D-异抗坏血酸钠生产工艺的研究

Study on the Processing of Food Additive-Sodium D-isoascorbate

山梨酸钾、异抗坏血酸钠处理及不同包装对鲜切梨的影响

The Effect of Potassium Sorbate , Sodium Isoascorbate and the Different Packing to Fresh-cut Pears

紫外分光光度法测定锅炉给水中微量异抗坏血酸含量

Determination of the trace content of erythorbate in the boiler feedwater by ultraviolet absorption spectroscopy

肉品中亚硝酸钠的含量受亚硝酸钠添加量，产品存放时间，原料肉部位，加热时间、异抗坏血酸钠的添加和腌制时间的影响。

The addition of sodium erythorbate and curing time also affected the nitrite content significantly .

柠檬酸和异抗坏血酸钠处理对冷藏鲜切菠萝质量的影响

Effect of sodium erythorbate and citric acid on quality of minimally processed pineapple during refrigerated storage

对猪血品质影响的研究D&异抗坏血酸钠在鱼类保鲜中的研究

The Study of Sodium Ascorbate ' Effects on Pig-blood Application of D - Sodium Ascorbate in Pretreated fresh r Fishing Fo Fresh-keeping

结果表明，蛋白酶种类、腌制时间、腌制温度对风鸭风味及游离氨基酸产生，及亚硝酸钠、异抗坏血酸钠、乳酸用量和腌制时间对风鸭的发色，均有显著性的影响。

Results showed that the flavor , free amino acid content and color of dry duck were significantly effected by the above factors .

最佳配方为6%蔗糖+2%柠檬酸+0.35%阿斯巴甜+0.35%异抗坏血酸，在此条件下品质最佳。

The best formula of beverage was 6 % sucrose + 2 % citric acid + 0.35 % aspartame + 0.35 % iso-ascorbic acid .

通过除氧试验、腐蚀试验和电化学试验，研究了异抗坏血酸对亚硫酸盐防腐蚀效果的影响。

The dependence of anti corrosion of sulfite on isoascorbic acid was studied through the use of oxygen removal tests , corrosion experiments and electrochemical tests .

并采用3×2析因试验设计研究了油菜原蜂花粉、异抗坏血酸钠、植酸钠对南京香肠抗氧化性能的协同作用。

Three factors factorial experiment was used to investigate the main effect and interaction rape bee-pollen , sodium isoascorbate and Phy on anti-oxidant function of chinese-style sausage .

实验结果表明：较佳护色处理是在热烫前用0.5%柠檬酸溶液浸泡，打浆时添加异抗坏血酸0.1%。

The study showed that the best color shield treatment is soaking with 0.5 % citric acid before heat treatment , when beating up the banana adding 0.1 % V_C .

报导了利用硝酸法生产的钙盐母液经硫酸法制成D&异抗坏血酸钠的方法。

This paper studies the method of manufacturing D iso ascorbic acid sodium salt wing calcisolution , which is abandoned during producing D iso ascorbic acid sodium salt by the method of nitric acid .

回顾了除氧剂的发展，对目前研究和使用较多的新型除氧剂二甲基酮肟、二乙基羟胺、异抗坏血酸、碳酰肼做了介绍。

The development of deoxidants was reviewed , and the application of some new deoxidants such as dimethyl ketoxime , diethyl hydroxylamine , ascorbic acid , carbohydrazide , which are studied and applied widely , was introduced in detail .