The blend of proteolysis ones and vitamin B2 is included, although when the said blend is disclosed to light, occurrence of stench is prevented, the composition for the beverage which includes the asukorubin acid of the sufficient quantity is disclosed. As for depending, when being disclosed to light, the stench which occurs is improved in the beverage composition of this invention. In addition, method, and proteolysis ones and the production method of the composition for the beverage which includes vitamin B2 of preventing proteolysis ones and the stench of the composition for the beverage which includes vitamin B2 are offered. Furthermore, asukorubin acid is designated as the main component, proteolysis ones and the stench inhibiter of the composition for the beverage which includes vitamin B2 are disclosed.蛋白質加水分解物とビタミンB2との混合物を含み、該混合物が光に曝露されたときの異臭の発生を防止するのに十分な量のアスコルビン酸を含む飲料用組成物が開示される。本発明の飲料組成物によりは、光に曝露されたときに発生する異臭が改善される。また、蛋白質加水分解物とビタミンB2を含む飲料用組成物の異臭を防止する方法、ならびに蛋白質加水分解物とビタミンB2を含む飲料用組成物の製造方法が提供される。さらに、アスコルビン酸を主成分とする、蛋白質加水分解物とビタミンB2を含む飲料用組成物の異臭防止剤が開示される。
