| abstract |
Disclosed are pharmaceuticals and foods having an inhibitory effect on osteoclast differentiation and / or proliferation. A pharmaceutical or food having an inhibitory effect on osteoclast differentiation and / or proliferation, wherein the following formula (1) and / or formula (2) (R 1 and R 2 are a hydrogen atom, an alkyl group) Or an alkanoyl group, and the steric configuration indicates an absolute configuration). [Selection figure] None |