PROBLEM TO BE SOLVED: To provide an emulsion composition for antioxidation having excellent antioxidation effect on short term strong abuse by being rich in reactivity with free radial, and further without deteriorating appearance and flavor of drink and food product, excellent in dispersibility and emulsion stability in food product.SOLUTION: The above described problem is solved by containing polyglyceryl fatty acid ester constituted by saturated fatty acid having HLB of 10 or more, average polymerization degree of 3 or more and carbon chain of constitution fatty acid of 12 or more and an oil soluble antioxidant raw material, and setting average particle diameter when dispersed in water of 200 nm or less, and reaction speed constant with free radical of the oil soluble antioxidant raw material of 16000 M-1 s-1 or more.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】フリーラジカルとの反応性に富むことで短期的な強い虐待に対する優れた酸化防止効果を有し、さらに飲食品の外観、風味を損ねることがなく、食品中での分散性、乳化安定性に優れた酸化防止用乳化組成物を提供することを目的とする。【解決手段】HLB10以上、平均重合度が3以上、構成脂肪酸の炭素鎖が12以上の飽和脂肪酸で構成されるポリグリセリン脂肪酸エステルおよび油溶性酸化防止素材を含有させ、水中に分散させたときの平均粒子径が200nm以下、油溶性酸化防止素材のフリーラジカルとの反応速度定数が16000M-1s-1以上とすることによって上記課題を解決する。【選択図】なし
