Animal FAME - 2D (GC x GC) Pig Cow Sheep
Lard FAME – 2D plot (preliminary) Name Formula S/N SI R.T. (s) Octanoic acid, methyl ester C9H18O2 245.18 891 510 , 1.150 Methyl tetradecanoate C15H30O2 18137 935 1190 , 2.340 Pentadecanoic acid, methyl ester C16H32O2 560.75 918 1405 , 2.530 7-Hexadecenoic acid, methyl ester, (Z)- C17H32O2 4541 948 1585 , 2.850 Hexadecanoic acid, methyl ester C17H34O2 108984 927 1635 , 2.800 Heptadecanoic acid, methyl ester C18H36O2 2649.9 906 1875 , 2.850 cis, cis-9,12-Octadecadienoic acid, methyl ester C19H34O2 8365.6 938 2035 , 3.380 9,12-Octadecadienoic acid, methyl ester C19H34O2 51970 954 2040 , 3.470 Name Formula S/N SI R.T. (s) 9,12,15-Octadecatrienoic acid, methyl ester, (Z,Z,Z)- C19H32O2 2897.5 912 2055 , 3.590 9-Octadecenoic acid (Z)-, methyl ester C19H36O2 43672 935 2060 , 3.300 Octadecanoic acid, methyl ester C19H38O2 54674 918 2120 , 3.060 5,8,11,14-Eicosatetraenoic acid, ethyl ester, (all-Z)- C22H36O2 506.47 849 2430 , 4.050 11,14,17-Eicosatrienoic acid, methyl ester C19H32O2 19.768 842 2480 , 3.890 11,14-Eicosadienoic acid, methyl ester C21H38O2 1651.2 906 2525 , 3.770 11-Eicosenoic acid, methyl ester C21H40O2 1177.8 851 2540 , 3.570 8,11,14-Eicosatrienoic acid, (Z,Z,Z)- C20H34O2 303.32 734 2540 , 4.010 Distinguished FA components Occurrence of FA isomers with higher carbon chain (C>19) in lard