GC Analysis of FAMEs in Fish Oil Capsules on Omegawax®

GC Analysis of FAMEs in Fish Oil Capsules on Omegawax®


column Omegawax, 30 m x 0.25 mm I.D., 0.25mum (24136)
oven 170 °C, 1 °C/min to 225C
carrier gas helium, 1.2 mL/min
sample 1. Fish Oil from capsule, prepared according to AOAC Method 991.39 2. Atlantic, farm-raised salmon, prepared according to AOCS Official Method Ce 1k-09
injection 1 µL, 100:1 split
liner 4 mm ID FocusLiner with taper
inj. temp. 250 °C
detector FID 260 °C


Analysis Note Samples of a commercially purchased fish oil capsule were analyzed for fatty acids. Sample preparation of the fish oil capsule was done as described in AOAC Official Method 991.39 (1). The resulting extracts were then analyzed by GC/FID on an Omegawax 250 °Capillary column as described in AOCS Official Method Ce 1i-07.
Categories Analytical Chromatography, GC Applications, Fatty Acid Methyl Esters (FAMEs)
Featured Industry Food and Beverages
Legal Information Omegawax is a registered trademark of Sigma-Aldrich Co. LLC
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