| abstract |
To provide a plant-derived hyaluronic acid production promoter having an excellent hyaluronic acid production promoting action. A hyaluronic acid production promoter comprising a plant of Tedokoro or an extract thereof. The hyaluronic acid production promoter has an excellent hyaluronic acid production promoting action, and is suitable for prevention of human skin aging, especially prevention and treatment of arthritis, etc. It is valid. In addition, because it uses ingredients derived from natural products, it is safe to take orally for humans or animals, and is a material for pharmaceuticals (eg, topical skin preparations, internal medicines), quasi drugs, and cosmetics. It is suitable as. Moreover, it is applicable also to food-drinks (for example, a supplement and a drink). [Selection] Figure 1 |