不同玉米中脂肪酸成分的比较分析

以辽宁地区3种玉米为原料，采用索氏提取的方法提取3种玉米油，对3种玉米油进行甲酯化处理，以气相色谱－质谱联用仪进行了分析．3种玉米油的产率分别为：黄玉米4．85％、白玉米3．25％、黑玉米6．7％．分析结果表明，黄玉米脂肪油中鉴定出9种脂肪酸，占黄玉米脂肪油的93．97％，其中不饱和脂肪酸占72．56％；黑玉米脂肪油中鉴定出7种脂肪酸，占黑玉米脂肪油的89．78％，其中不饱和脂肪酸占80．56％；白玉米脂肪油中鉴定出6种脂肪酸，占白玉米脂肪油的76．34％，其中不饱和脂肪酸占62．61％．

Diffreent comp one nts of fatty acids in different corn comparative analysis

In liaoning province in three kinds of corn as raw material,soxhlet extraction method to extract three corn oil,on three kinds of corn oil methyl ester,by gas chromatography-mass spectrometry instrument are ana-lyzed.Three kinds of corn oil production rate is respectively:4.85%yellow corn,white corn,black corn,3.25%to 11.7%.Analysis results show that the yellow corn identified 9 kinds of fatty acid in fatty oil,accounting for 93.97%of the yellow corn fatty oil,unsaturated fatty acids accounted for 72.56%;Black corn identified seven kinds of fatty acids in the fatty oil,89.78%of black corn fatty oil,unsaturated fatty acids accounted for 80.56%;White corn identified 6 kinds of fatty acid in fatty oil,76.34%of fat white corn oil,unsaturated fatty acids ac-counted for 62 .61%.