1) D-isoascorbic acid
异VC
1.
Evaluation of antioxidant activity of L-ascorbic acid,D-isoascorbic acid and their derivatives by DPPH· assay;
DPPH·法评价Vc、异Vc及其衍生物的抗氧化性能
2.
Using concentrated sulfuric acid as the reaction medium and catalyst,D-isoascorbyl caprate(D-IAC) was synthesized from D-isoascorbic acid and capric acid at room temperature.
用直接酯化法由异VC和癸酸合成了异VC癸酸酯,并用FT-IR和1HNMR对目标化合物的结构进行了表征。
3.
D-isoascorbyl octyl aldehyde acetal was synthesized from the reaction of D-isoascorbic acid with octyl aldehyde using p-toluene sulfonic acid as the catalyst and dimethyl acetamide as the solvent.
以对甲苯磺酸为催化剂、N,N-二甲基乙酰胺为溶剂,由辛醛与异VC反应合成了标题化合物。
2) isoascorbic acid
异VC
1.
There are two synthetic routes to isoascorbic acid and sodium isoascorbate from 2-keto-gluconic acid.
由2-酮基-D-葡萄糖酸(2-KG)合成异VC及其钠盐的主要途径有两种。
2.
The content of isoascorbic acid is quantitatively determ ined by TLC.
以2-酮基-D-葡萄糖酸(2-KG)为原料,在酸催化下直接合成异Vc;用TLC法定量测定异Vc含量;考察了反应温度、反应时间、催化用酸的种类和用量、2-KG浓度等因素对异Vc收率的影响,并从理论上对反应结果进行了探讨。
3) D-Sodium erythorbate
D-异Vc钠
1.
Objective:Through the analysis and comparison the nitrosamides content in different concentration of the D-Sodium erythorbate(D-the different Vc sodium) in the pickled saurkrant to discover the function of D-Sodium erythorbate.
目的:通过在腌制酸菜中添加D-异抗坏血酸钠(D-异Vc钠)作抗氧化剂,比较分析其抑制硝酸盐还原为亚硝酸盐的作用及变化规律。
4) sodium erythorbate
异VC钠
1.
The Influence of sodium erythorbate to nitrite quantity in pickle;
异Vc钠对泡菜中亚硝酸盐含量的影响
2.
The effects of sodium erythorbate addition and fermentation temperature on the nitrite content in the pickles were studied.
本实验以甘蓝、萝卜为原料,利用自然发酵方式制作泡菜,研究了异VC钠和发酵温度对泡菜中亚酸盐含量变化的影响,研究结果表明,异VC钠能有效降低亚硝酸盐的含量及提高亚硝酸盐的降解速度;发酵温度对亚硝酸盐的生成有较明显的作用,温度高,亚硝酸盐含量低,温度低,亚硝酸盐含量高。
5) D-isoascorbyl caprate
异VC癸酸酯
1.
Synthesis of D-isoascorbyl caprate and its solubility test;
异VC癸酸酯的合成和溶解度试验
6) D-isoascorbyl octyl aldehyde acetal
辛醛缩异VC
1.
Study on the synthesis of D-isoascorbyl octyl aldehyde acetal and its properties;
辛醛缩异VC的合成及其性能研究
补充资料：vanadium carbide VC
分子式：
CAS号：
性质：银白色晶体。密度5.25～5.4g/cm3。熔点2750℃。比石英略硬。可由五氧化二钒用焦炭还原制得。主要用于制造钒钢。
CAS号：
性质：银白色晶体。密度5.25～5.4g/cm3。熔点2750℃。比石英略硬。可由五氧化二钒用焦炭还原制得。主要用于制造钒钢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条