Assessment of dietary exposure to nonylphenol in infant formula retailed in Shanghai
Journal Title: Shanghai Journal of Preventive Medicine - Year 2023, Vol 35, Issue 8
Abstract
ObjectiveTo assess the health risk of dietary exposure to nonylphenol in infants aged 0-36 months through infant formula in Shanghai.MethodsA monitoring of nonylphenol pollution in infant formula was conducted in 2022. A total of 90 samples were obtained from maternal and infant storesï¼ supermarketsï¼ and online stores in Shanghai. Based on the daily consumption data of infant formulaï¼ a point assessment method was used to assess the dietary exposure to nonylphenol in infant formula.ResultsThe prevalence of nonylphenol in infant formula retailed in Shanghai was 95.6% ï¼86/90ï¼. The amount of nonylphenol varied from non-detected to 22.70 μg·kg-1ï¼ with the mean value of 8.47 μg·kg-1 and the P50 value of 7.77 μg·kg-1. The mean daily nonylphenol exposure ï¼estimated by body weightï¼ from infant formula in infants aged 0-6 monthsï¼ 7-12 months and 13-36 months in Shanghai was 0.091ï¼ 0.068 and 0.054 μg·kg-1ï¼ respectivelyï¼ furthermoreï¼ the P95 value of daily exposure ï¼by body weightï¼ was 0.228ï¼ 0.152 and 0.119 μg·kg-1ï¼ respectively. These amounts were much lower than the tolerable daily intake ï¼TDIï¼ of nonylphenol ï¼by body weight 5 μg·kg-1ï¼.ConclusionThe health risk of daliy nonylphenol intake from infant formula remains low among infants aged 0-36 months in Shanghai.
Authors and Affiliations
LI Yiqi,YU Shenghao,ZHANG Lujing,PENG Shaojie,
Keywords
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