| abstract |
The present invention relates to a prophylactic agent for arthritis, a food and drink, a food additive, an animal feed, a feed additive, and a prophylactic agent for arthritis, which contain an N-acylated hydroxyproline derivative or a salt thereof as an active ingredient. The use of an N-acylated hydroxyproline derivative or a salt thereof, and a method for preventing arthritis, which comprises administering an N-acylated hydroxyproline derivative or a salt thereof. |