Residue dissipation and dietary risk assessment of acetamiprid in edible lily
In order to determine the dietary risk of acetamiprid in edible lilies,the residual and degradation dynamics of acetamiprid in fresh and dry lilies from Jiangsu,Hunan,Hubei and Sichuan were detected by LC-MS,and the dietary risk was evaluated.The results showed that the half-lives of acetamiprid in edible lilies in Jiangsu and Hunan were 6.2 d and 5.5 d,respectively.The degradation kinetics of acetamiprid accorded to the first-order reaction kinetics equation.The final residues of acetamiprid in fresh and dried edible lilies in Hubei,Sichuan,Jiangsu and Hunan were below 0.01 mg/kg,which was lower than the maximum residue limits(MRL)of acetamiprid in fresh/dry edible lily(0.02/0.05 mg/kg).Chronic dietary exposure risk assessment showed that acetamiprid had little contribution to dietary risk.According to the recommended application method,the residual acetamiprid in edible lilies met the relevant national standards of pesticide residues,and the final residues had not adverse effects on human health.
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