Six typical OPFRs are widely present in Chinese foods;.
Rice contains the highest concentration of OPFRs, which were mainly in rice proteins;.
Rice consumption is a major pathway for human exposure to OPFRs;.
The contribution of meats and dairy products to the OPFRs intake was lowest;.
OPFRs ranged from 1.67 to 49.0 ng/g with a median value of 12.4 ng/g in human hair.