PROBLEM TO BE SOLVED: To provide: an antioxidant controlling an oxidative disorder of a living body caused by active oxygen, free radicals, etc. and a food or beverage blended with the antioxidant, and to provide: an adiponectin production promoter controlling arterial sclerosis and promoting fat burning in the liver and muscles and a food or beverage blended with the production promoter.SOLUTION: Peptide composed of an amino acid sequence expressed by His-Pro-Ile-Lys-His-Gln-Gly-Leu-Pro-Gln has an antioxidant effect and an adiponectin production promoting effect and peptide composed of an amino acid sequence expressed by His-Pro-Ile-Lys or His-Gln-Gly-Leu-Pro-Gln has an antioxidant effect.COPYRIGHT: (C)2012,JPO&INPIT【課題】活性酸素やフリーラジカル等による生体の酸化的障害を抑制する抗酸化剤及びこの抗酸化剤を配合した飲食品の提供。動脈硬化を抑制し、肝臓や筋肉における脂肪の燃焼を促進するアディポネクチン産生促進剤及びこの産生促進剤を配合した飲食品の提供。【解決手段】His-Pro-Ile-Lys-His-Gln-Gly-Leu-Pro-Glnで表されるアミノ酸配列からなるペプチドに抗酸化効果及びアディポネクチンの産生促進効果があり、His-Pro-Ile-Lys、あるいはHis-Gln-Gly-Leu-Pro-Glnで表されるアミノ酸配列からなるペプチドに抗酸化効果がある。【選択図】なし
