The article intruduce some method to prevent refined oil from deterioration and long for shelf-life such as nitrogen sparging,Chelation with citric acid and Prevent oil from light.

• 本文主要介绍了高级精炼油在贮藏过程中进行充氮处理、添加柠檬酸等来增强油脂的稳定性及延长货架期的方法。