| abstract |
A peroral preparation, food or beverage, feed, food additive, or feed additive for the prevention of or treatments for atopic dermatitis which contains hydroxyproline, an N-acylated hydroxyproline derivative, or a salt of either. Specifically, the peroral preparation, food or beverage, feed, food additive, or feed additive contains hydroxyproline, an N-acylated hydroxyproline derivative, or a salt of either in an amount of 0.1 to 90 wt.%. |