Analysis Enzymatic 30°C, 4 h Enzymatic 40°C, 2 h Heat Extraction 90°C, 20 min
Gut Head Frame Gut Head Frame Gut Head Frame
Colour Orange Yellow Orange Orange Yellow Orange Orange Yellow Orange
Odour Fresh oil odour, not fishy Fresh oil odour, not fishy Fresh oil odour, not fishy Fresh oil odour, not fishy Fresh oil odour, not fishy Fresh oil odour, not fishy Fresh oil odour, not fishy Fresh oil odour, not fishy Fresh oil odour, not fishy
Peroxide value (meq/kg) 1.57 0.49 0.48 1.45 0.28 0.28 2.65 5.26 0.42
p-Anisidine value 0.67 0.17 0.22 1.03 0.15 0.17 0.81 0.21 0.16
TOTOX value 3.81 1.15 1.18 3.93 0.71 0.73 6.11 10.73 1.00
Free fatty acid (%) 6.49 1.06 0.79 8.76 0.78 0.51 1.67 0.17 0.59
Acid value (mg/KOH g) 12.91 2.10 1.57 17.49 1.55 1.01 3.32 0.33 1.17
Table 6: Salmon oil quality analysis