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The purpose of this study was to assess the risk of 3-monochoropropane-1,2-diol (3-MCPD) esters from edible oils for the Zhejiang population in China. Exposure assessment of 3-MCPD esters was evaluated by Monte Carlo simulation based on the concentrations of 3-MCPD esters in edible oils combined with survey data on the eating habits of Chinese residents classified by age group and gender. The simulation results indicated that the mean daily intakes (CDI) of 3-MCPD esters for children 7–10 years old were 2.154 µg (kg BW d) −1  for boys and 2.049 µg (kg BW d) −1  for girls, which are lower than the provisional maximum tolerable daily intake (PMTDI) of 4 µg (kg BW d) −1  for 3-MCPD and 3-MCPD esters individually or in combination, set by the Joint FAO/WHO Expert Committee on Food Additives. The range of mean dietary intakes of 3-MCPD esters in different subpopulation groups ranged 1.242–1.672 µg (kg BW d) −1 , which was lower than the PMTDI. However, the CDI values of 3-MCPD esters in high percentile exposure subgroups (95th, 99th) of males (7–49 years old) and females (7–10 and 50–75 years old) were all above 4µg (kg bw d) −1 . Outside of the senior group (50–75 years old), males had more exposure to 3-MCPD than females. The average hazard indexes (HI) of 3-MCPD esters to male and female children were 1.257 and 1.024, respectively, indicating there was a risk, but no immediate measures are required to address this risk. The average HI of 3-MCPD esters to adolescent, adult, and seniors were all below 1, indicating risk for those age groups were at an acceptable level.

food additives and contaminants: part a

Risk assessment of 3-monochloropropane-1,2-diol esters through dietary exposure from edible oils for the Zhejiang population in China by Monte Carlo simulation