A Study on the Production Process Control of Zanthoxylum bungeanum Maxim Seed Kernel Oil without Trans-Fatty Acids

Figure 4

Gas chromatography of linolenic acid methyl ester isomer mixture standards. 1, trans-9,trans-12,trans-15-octadecatrienoic acid methyl ester (C18:3, 9t12t15t); 2, trans-9,trans-12,cis-15-octadecatrienoic acid methyl ester (C18:3, 9t12t15c)/trans-9,cis-12,trans-15-octadecatrienoic acid methyl ester (C18:3, 9t12c15t); 3, cis-9,trans-12,trans-15-octadecatrienoic acid methyl ester (C18:3, 9c12t15t)/cis-9,cis-12,trans-15-octadecatrienoic acid methyl ester (C18:3, 9c12c15t); 4, cis-9,trans-12,cis-15-octadecatrienoic acid methyl ester (C18:3, 9c12t15c)/trans-9,cis-12,cis-15-octadecatrienoic acid methyl ester (C18:3, 9t12c15c); 5, C18:3, 9c12c15c.