Quantitative RT‐PCR analysis of Osx, Runx2, BMP‐2, Col‐I, OPN and OCN at different time points. Quercetin promoted Osx, Runx2, BMP‐2, Col‐I, OPN and OCN transcription in mouse adipose stem cells compared to controls after osteogenic induction. #*Represent significant differences between control and treated groups, respectively (P < 0.05 by ANOVA).