Based on the curve, the adulterated peanut oil can be detected fast, the error amount of which is at least 5%.

• 发现油中脂肪酸组成及其特征组分的变化成线性规律，由此做出工作曲线，可快速定性、定量掺伪油，且掺伪量的最低检出限可达到5%25。