NOVEL FLAVONOL COMPOUNDS AND BIOACTIVE EXTRACT/FRACTION ISOLATED FROM ULMUS WALLICHIANA, AND ITS COMPOUNDS, FOR PREVENTION FOR TREATMENT OF BONE RELATED DISORDERS
PROBLEM TO BE SOLVED: To provide a flavonol compound and a bioactive extract/fraction obtained from Ulmus wallichiana useful for management or prevention or treatment of bone disorders; a process of obtaining extraction thereof; a pharmacological component comprising the compound; and a method of treating bone disorders by administration by oral, intravenous, subcutaneous, intra-peritoneal or intramuscular administration.SOLUTION: The compound is represented by the formula I. (R1 is OH, and R2 is H or OH.)【課題】骨疾患の管理又は予防又は治療に有用なウルムスワリチアーナから得たフラボノール化合物及び生物活性抽出物/フラクション、これら抽出物を得るプロセス、前記化合物を含む薬理学的成分、経口投与、静脈内投与、皮下投与、腹膜内投与、又は筋肉内投与で投与することによって骨疾患を治療する方法の提供。【解決手段】式Iで表される化合物。(R1がOH、R2がH又はOH)【選択図】なし