| abstract |
In accordance with the present invention, a peroral preparation, food and drink, feed, food additive or feed additive for prevention or treatment of atopic dermatitis comprising hydroxyproline or N-acylated derivative of hydroxyproline or a salt thereof is able to be provided and, particularly, said peroral preparation, food and drink, feed, food additive or feed additive comprising 0.1 to 90% by weight of hydroxyproline or N-acylated derivative of hydroxyproline or a salt thereof is able to be provided. |