Antioxidant activity of vegetable oils with different omega-6/omega-3 fatty acids ratio |
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Authors: | D A Guseva N N Prozorovskaya A V Shironin M A Sanzhakov N M Evteeva I F Rusina O T Kasaikina |
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Institution: | 1.Moscow State University of Technique and Control,Moscow,Russia;2.Institute of Biomedical Chemistry,Russian Medical Academy of Sciences,Moscow,Russia;3.Institute of Biochemical Physics,Russian Academy of Sciences,Moscow,Russia;4.Institute of Chemical Physics,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | The antioxidant activity and the oxidative stability of flax, sesame, silybum oils and seed blend oils with different ω-6/ω-3
fatty acid ratios have been investigated. The antioxidant content (AO) in crude oils and their reactivity towards peroxyl
radicals were studied using the kinetic method based on oil addition to the model reaction of cumene oxidation. There were
correlations between the ratio polyunsaturated fatty acids (PUFA)/ω-9 and thermal stability (50°C); between the effect of
γ-tocopherol content and oil resistance to oxidative changes during long-term storage at (10 ± 2)°C. |
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