A tyrosinase activity inhibitor and an ameliorant for facial blood flow that are excellent in terms of safety, and medicinal compositions, food compositions, and cosmetic preparations that contain the inhibitor and the ameliorant as active ingredients are provided. A tyrosinase activity inhibitor and an ameliorant for facial blood flow that contain anthocyan obtained by concentration or extraction of plant material, and medicinal compositions, food compositions, and cosmetic preparations that have an inhibitory action on tyrosinase activity and ameliorating action on facial blood flow are provided.