The content of ni-trote become less and less by the time passed; When the concentration of nitrote is conxerned and add the different concentration of Fructus Hippophae ethyl acid solu-tion.

• 结果表明,沙棘醋浓度一定,无论哪种浓度的亚硝酸盐,随时间延长,其含量相应地逐渐降低;亚硝酸盐浓度一定,而加入沙棘醋浓度不同,随时间延长,亚硝酸盐浓度逐渐降低,分解程度有明显区别。