The optimum dosage of antioxidant such as garlic oil and liposoluble tea polyphenols(LTP) in blend oil is ascertained by orthogonal test and quadratic orthogonal test.

• 再通过正交实验和二次回归正交实验确定了大蒜油、脂溶性茶多酚等作为抗氧化剂在调和油中的最佳添加量。