title: Effect of droplet size on autoxidation rates of methyl linoleate and α-linolenate in an oil-in-water emulsion.
abstract: Methyl linoleate and α-linolenate were used as representative n-6 and n-3 polyunsaturated fatty acid esters, respectively, to examine the effect of oil droplet size on autoxidative stability in oil-in-water systems. The emulsions, which were prepared via membrane emulsification and had a mean oil droplet size of approximately 1-30 μm, and had a stable size during the autoxidation of each substrate at 55°C. The autoxidation of methyl linoleate did not depend on oil droplet size during the entire process and that of methyl α-linolenate was independent of oil droplet size during the first half of the autoxidation process. However, the autoxidation rate of methyl α-linolenate proceeded faster in the emulsion with smaller oil droplet size during the last half of the autoxidation process.
authors.affiliation: Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University.
authors.forename: Tiezheng
authors.initials: T
authors.lastname: Ma
authors.forename: Takashi
authors.initials: T
authors.lastname: Kobayashi
authors.forename: Shuji
authors.initials: S
authors.lastname: Adachi
mesh_terms: D004355:Drug Stability; D004655:Emulsions; D004952:Esters; D005231:Fatty Acids, Unsaturated; D008041:Linoleic Acids / Q000737:chemistry; D009821:Oils; D010084:Oxidation-Reduction; D010316:Particle Size; D013696:Temperature; D014867:Water; D017962:alpha-Linolenic Acid / Q000737:chemistry
chemical_list: D004655:Emulsions; D004952:Esters; D005231:Fatty Acids, Unsaturated; D008041:Linoleic Acids; D009821:Oils; D014867:Water; D017962:alpha-Linolenic Acid; C005575:methyl linoleate