1991 Volume 38 Issue 7 Pages 633-639
The lipid peroxidation suppressing ability of whole lipid extracted from commercially purchased squid mantle muscle of three common squids, i.e., Japanese common squid (Todarodes pacificus), flying squid (Ommastrephes bartrami) and short-finned squid (Illex argentinus), was evaluated by the progress of peroxide value (PV) and carbonyl value (CV) of purified sardine oil with or without addition of whole lipid fraction at 10% level. Every whole lipid extracted from the three species of squid markedly suppressed the peroxidation of purified sardine oil. The whole lipid of I. argentinus showed the strongest suppressive activity of the three. Neither differences in compositions of lipid and fatty acids nor content and composition of tocopherols in the mantle muscle could sufficiently account for their antioxidative ability. The addition of purified phospholipid fraction, fractionated from the whole lipid of I. argentinus, to purified sardine oil at the concentration of 5% (w/w) markedly suppressed the peroxidation of sardine oil.
