PROBLEM TO BE SOLVED: To provide a compound having hyaluronidase inhibitory activity and a method of producing the same, and pharmaceuticals, cosmetics and food and drink comprising the compound as an active ingredient.SOLUTION: This invention relates to a compound of formula (I) produced by Actinomyces strains of Streptomyces.【課題】ヒアルロニダーゼ阻害活性を有する化合物、とその製造方法、及び、該化合物を有効成分とする医薬品、化粧品及び飲食品の提供。【解決手段】ストレプトマイセス(Streptomyces)属に属する放線菌の菌株が生産する、式(I)の化合物。【選択図】なし