| 摘要 |
PROBLEM TO BE SOLVED: To obtain a medicine for enhancing an ability of producing hyaluronic acid of the keratinocyte from the human skin, by including a plant extract from a plant belonging to the family Moraceae in an amount enough to enhance an ability of producing hyaluronic acid in the tissue or cell of mammals. SOLUTION: This medicine is obtained by including a plant extract from one or more plants selected from the group comprising plants belonging to the genera Morus, Artocarpus, Broussonetia, and Ficus, in the family Moraceae (e.g. Morus alba and Ficus carica) preferably at 0.005-5 wt.% based on dry weight of the medicine. The plant extract is obtained by extracting a raw, air dried, or lyophilized plant with water, a water-containing hydrophilic organic solvent, or a water-immiscible organic solvent. It, is preferable that the medicine is intaken in a dose of 0.1-50 mg/kg.day. |
