Abstract

AbstractThe acidic volatile decomposition products (VDP) produced by a hydrogenated cottonseed oil maintained at 185C with periodic frying of moist cotton balls and with periodic additon of fresh fat to replenish the fat lost due to evaporation, decomposition, and adsorption by the cotton balls were collected, fractionated and characterized. A total of 38 acidic compounds were identified. They consisted of 13 saturated acids, 11 unsaturated acids, five aldehydo acids, two hydroxy acids, two keto acids, and five dicarboxylic acids. The similarities and differences between the acidic VDP produced by a more unsaturated corn oil and a more saturated hydrogenated cottonseed oil under simulated commerical deep fat frying conditions are discussed.

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