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Crude seed oils of Russian sunflower varieties, Armavirec and VNHMK 8931, are somewhat more stable to gross autoxidation than crude oils of two commercial U.S. varieties, Arrowhead and Mingren. Small amounts of oxygenated fatty acids found previously in sunflower seed oils have been shown to be produced during seed storage.
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Mikolajczak et al. (1970) studied this question.
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