PROBLEM TO BE SOLVED: To inhibit the production of active oxygen in vivo and the excessive accumulation of stored iron.SOLUTION: The present invention provides a food composition for inhibiting active oxygen production, or a food composition for ferritin reduction, containing Corbicula extract as an active ingredient.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】生体内の活性酸素の産生及び貯蔵鉄の過剰蓄積を抑制する 。【解決手段】シジミ抽出物を有効成分として含む、活性酸素産生抑制用食品組成物、或いは、フェリチン低下用食品組成物。【選択図】なし