Risk Assessment of Pesticide Residues to Four Nectar Honey in Northwest China
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Abstract:
Samples of rape honey, sunflower honey, acacia honey and medlar honey were collected in the past two years. Residues of the five pesticides (acetamiprid, imidacloprid, thiamethoxam, carbendazim, and propargite) were detected. The risk assessment of dietary honey exposure to children, gestational age Female and old man was conducted using the risk quotient RQ%. The results showed that the detection rate of the five pesticides was between 5.22% and 29.57%. With reference to the European Union's limit of pesticide residue, 13.91% of acetamiprid content was exceeded, and the over-standard rate of imidacloprid was 7.83%. The detection rate of pesticide residues in different sources of honey ranged from 25% to 100%, and the detection rate of medlar honey was the highest. ANOVA analysis of pesticide residues in honey from different honey plants revealed significant differences in the residual levels of carbendazim, acetamiprid and imidacloprid, which may be closely related to the degree of pesticide contamination in the pollen source plants. The risk quotients (RQ%) of the three groups were all less than 1%, indicating that the residual risk is low and acceptable. In different populations, children under 10 years of age have the highest dietary exposure risk.
