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| Contamination status and exposure assessment of chloropropanol esters in edible vegetable oils sold in Shanghai |
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| DOI：10.19902/j.cnki.zgyz.1003-7969.240342 |
| KeyWord:edible vegetable oil chloropropanol esters contamination status exposure assessment |
| FundProject:2024年度上海市市场监督管理局科技项目（2024-51） |
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| Abstract: |
| To provide reference for the safety supervision and standard establishment for chloropropanol esters (MCPDE) in edible vegetable oils, based on the monitoring data of MCPDE in edible vegetable oils sold in Shanghai from 2020 to 2024, combined with the vegetable oil consumption data of residents, the 3-MCPDE and 2-MCPDE exposure levels of Shanghai residents through edible vegetable oil were assessed by point assessment method. The results showed that the total detection rates of 3-MCPDE and 2-MCPDE in 270 edible vegetable oils were 83.0% and 74.4%, with mean contents of 1 009.5 μg/kg and 331.3 μg/kg, and maximum values were 18 500 μg/kg and 9 500 μg/kg, respectively. According to the EU 2023/915 on the maximum lever of sum of 3-MCPD and 3-MCPDE in vegetable oils, it was found that the exceeding rate of 3-MCPDE in the samples was 11.1%. The mean contents of 3-MCPDE and 2-MCPDE in rice bran oil were the highest, which were 2 957.3 μg/kg and 1 447.5 μg/kg, respectively, followed by sesame seed oil and oil-tea camellia seed oil, olive oil was the lowest. The mean contents of 3-MCPDE and 2-MCPDE in domestic edible vegetable oil were 1 067.9 μg/kg and 350.0 μg/kg, respectively, both higher than imported samples. The contents of 3-MCPDE and 2-MCPDE in sesame seed oil of different brands were significantly different (p<0.05). The mean daily exposure of 3-MCPDE from edible vegetable oils among residents of different age groups in Shanghai ranged from 0.475 μg/(kg·d) to 1.169 μg/(kg·d), accounting for 23.8%-58.4% of the tolerable daily intake(TDI) of 2 μg/(kg·d) for 3-MCPD and its esters established by EFSA. The mean daily exposure of 2-MCPDE from edible vegetable oils among residents of different age groups ranged from 0.156 μg/(kg·d) to 0.383 μg/(kg·d). In conclusion, the health risk of 3-MCPDE intake through edible vegetable oil in Shanghai residents aged 3 years and older is low. |
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