Guaiacin is a arylnaphthalene type lignin isolated from the barks of Machilus thunbergii SIEB. et ZUCC (Lauraceae). Guaiacin significantly increases alkaline phosphatase activity and osteoblast differentiation[1].
[1]. Lee MK, et al. Stimulatory activity of lignans from Machilus thunbergii on osteoblast differentiation. Biol Pharm Bull. 2007 Apr;30(4):814-7.
















