| abstract |
PROBLEM TO BE SOLVED: To provide a composition for improving bone metabolism and a food for improving bone metabolism, which have preventive and therapeutic effects on bone metabolism diseases such as osteoporosis, have few side effects and are highly safe. SOLUTION: A composition for improving bone metabolism containing a compound represented by the formula (I) (wherein R1 is a hydrogen atom or a methoxy group), a salt or ester thereof, or a glycoside thereof as an active ingredient. It is a thing. [Selection diagram] Fig. 1 |