Evaluation of Chlorpyrifos Transferred from Contaminated Feed to Duck Commodities and Dietary Risks to Chinese Consumers

Abstract

The present study describes chlorpyrifos residues in duck commodities through the duck food chain, transfer factors, and dietary risks to Chinese consumers. After duck feeding experiments with pellet feed that lasted for 42 days, chlorpyrifos residues found in all samples collected from the ducks on maximum estimated dose group (3.20 mg/kg level) were from <0.0005 to 0.019 mg/kg. The residue levels of the fat, intestine, and tongue were obviously higher than those of the meat and other edible tissues. The transfer factors of all duck commodities were from 0.0001 to 0.0049 among different contamination levels, which indicated that chlorpyrifos had a low persistency in duck meat and metabolism organs. The chronic exposure assessment revealed that only 0.034-0.150% of the acceptable daily intake (ADI; 0-0.01 mg/kg/bw/day) of chlorpyrifos was consumed via the duck commodities for different age and gender groups in China. The acute exposure assessments of different age and gender groups were only 0.019-0.082% of the acute reference dose (ARfD; 0-0.1 mg/kg/bw). The results show that the single dietary exposure risk of chlorpyrifos raised by the intake of duck commodities was quite low in China.

Transfer Assessment of Carbendazim Residues from Rape Flowers to Apicultural Products

“…Many studies have focused on the direct pollution on food from residual pesticides. Moreover, some reports suggested that pesticide residues could transfer to animal food through animal feeds [ 1 – 3 ]. But little research has been performed on pesticide residues in apicultural matrixes from field samples.…”

Transfer and Metabolism of Triadimefon Residues from Rape Flowers to Apicultural Products

“…The multiresidue method for the determination of pesticides and pesticide metabolites in honeybees has been developed and validated [ 10 ]. Several studies have investigated the transfer rates and proportions of pesticide residues, such as transfer assessment of fipronil residues from feed to cow milk [ 11 ], pesticide residue transfer rates (percent) from dried tea leaves to brewed tea [ 12 , 13 ], chlorpyrifos residual behaviors in field crops and transfer during duck pellet feed processing [ 14 ], and chlorpyrifos transferred from contaminated feed to duck commodities and dietary risks [ 15 ]. However, experimental studies on pesticide accumulation from nectar plants to apicultural products are not enough in depth [ 16 , 17 ].…”

“…As State Key Laboratory for Pesticide Residue Detection of the Ministry of Agriculture, we are accumulating experiences in agriculture and food safety and attempting to build up entire proceeding research systems from the farmland to the dining table [ 14 , 15 , 20 – 22 ]. We have attempted to provide a comprehensive risk assessment for different pesticide residues found in pollen, honey, and royal jelly.…”

Degradation of triadimefon and residue levels of metabolite triadimenol: tracing rapeseed from harvesting and storage to household oil processing

“…Pesticides have been applied widely in agriculture to control, reduce, and prevent pests and hence, indirectly, to increase food production. Nevertheless, the excessive use of pesticides in agricultural activities may have adverse effects on human health . Pesticide residues can be transferred not only to agricultural products but also to foods or processed products during food processing .…”

“…Nevertheless, the excessive use of pesticides in agricultural activities may have adverse effects on human health. [1][2][3] Pesticide residues can be transferred not only to agricultural products but also to foods or processed products during food processing. 4 In the context of food safety, pesticide residues have become an increasingly important topic.…”