Free radical formation at C8 of oleic acid and C11 of linoleic acid
requires 75 kcal/mol and 50 kcal/mol respectively, and the overall
oxidative rates of oleic acid, linoleic acid and linolenic acid are in
the ratio 1:12:25 (Choe, 2007). This means that linoleic acid is less
susceptible to oxidation than linolenic acid; however, the most
stable is oleic acid. HOSO contains 84% oleic acid, about 60% more
oleic acid than regular sunflower oil, and 9% linoleic acid, which is
about 54% less than regular sunflower oil (Table 1). Due to its fatty
acid profile, HOSO is expected to have better oxidative stability
than regular SO (Niemelä et al., 1996) which supports the data
herein.