油脂OSI值的研究

研究了油脂ＯＳＩ值与脂肪酸组成的关系及抗氧剂与金属钝化剂对油脂ＯＳＩ值的影响。指出我国高级烹调油ＯＳＩ值大多偏低的主要原因是油脂中含有较高的催化氧化的金属离子，提出了解决ＯＳＩ值偏低的方法。还研究了菜子高级烹调油ＯＳＩ值与温度的关系。

Study on the OSI Values of Oils and Fats

The relationship between the OSI values of oils and Fats and the fatty acid compositions of oils and fats,the effects of antioxidants and metal deactivators on the OSI values of oils and fats were researched in this paper.The result indicates that the domestic cooking oil containing lower OSI value could be caused from the high metal ione contents which accelerate the oxidation reaction,Then a method is given to solve the qestion of lower OSI values. The relationship between the OSI values and the temperatures was also discussed.