PROBLEM TO BE SOLVED: To provide a composition including Gnetum gnemon having superior antioxidative effect, processed products thereof, or their extracts; and an antioxidant, a PPARα and/or PPAR&bgr;/δ activator, an angiotensin converting enzyme inhibitor, food, a cosmetic, and a pharmaceutical composition including the composition.SOLUTION: The composition includes Gnetum gnemon, the processed products thereof, or their extracts, and apiculture products. The antioxidant, the PPARα and/or PPAR&bgr;/δ activator, the angiotensin converting enzyme inhibitor, the food, the cosmetic, and the pharmaceutical composition each including the composition are also provided.【課題】優れた抗酸化作用を有するグネツム、その加工物又はそれらの抽出物を含む組成物を提供する。更に、該組成物を含む抗酸化剤、PPARα及び/又はPPARβ/δ活性化剤、アンジオテンシン変換酵素阻害剤、食品、化粧料及び医薬組成物を提供する。【解決手段】グネツム、その加工物又はそれらの抽出物、及び養蜂産品を含む組成物、並びに該組成物を含む抗酸化剤、PPARα及び/又はPPARβ/δ活性化剤、アンジオテンシン変換酵素阻害剤、食品、化粧料及び医薬組成物。【選択図】なし