The analysis of the fatty acid methyl ester profiles of SIO and mixtures with SO and CO were performed using a Hewlett Packard HP 5890 – Series II, (Palo Alto, CA, USA) gas chromatograph, equipped with a flame ionization detector (GC–FID) and a BPX70-ms (Thermo Scientific, Waltham, MA, USA) capillary column (30 m × 0.25 mm × 0.25 μm) composed of 70% cyanopropylpolysilphenylene-siloxane. The initial temperature was 150 °C/min, which increased by 5 °C/min up to 240 °C and was held constant for 30 min. The injector temperature was 240 °C and the detector temperature was 280 °C, with a split ratio of 1:30. The carrier gas used was He at 1 mL/min, at a pressure of 11 psi.