PROBLEM TO BE SOLVED: To provide a novel antioxidant with strong antioxidative activity which exhibits an antioxidative effect in a small amount.SOLUTION: The invention provides an antioxidant containing dihydroquercetin and Olea europaea L. leaf extract.SELECTED DRAWING: Figure 1【課題】少ない量で抗酸化効果を発揮する、抗酸化力の強い新たな抗酸化剤を提供すること。【解決手段】ジヒドロケルセチンとオリーブ葉エキスとを含有する抗酸化剤。【選択図】図1