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Pesticide Residues in Soybeans and Soybean Oil: Transfer Dynamics During Processing and Risk Assessment
Lin Yang1, Bei Fan1, Yonghong Shi1
1Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process/Laboratory of Agro-products Quality Safety Risk Assessment, Beijing100193, P. R. China.
Pesticide residues in soybeans and soybean oil were analyzed. Despite variability, residue levels were low and posed negligible health risks, confirming the safety of soybean oil products.
Area of Science:
- Agricultural Chemistry
- Food Safety
- Environmental Science
Background:
- Pesticide use in agriculture can lead to residues in food products.
- Understanding pesticide transfer during food processing is crucial for safety assessment.
Purpose of the Study:
- To investigate pesticide residues in soybeans and soybean oil.
- To track residue variations during the oil pressing process.
- To assess potential health risks associated with soybean oil consumption.
Main Methods:
- Analysis of pesticide residues in soybean and soybean oil samples.
- Quantification of residue levels using chromatography techniques.
- Health risk assessment using hazard quotients (HQ) and hazard index (HI).
Main Results:
- Pesticide residue levels varied significantly, ranging from 0.45 to 41.80 μg·kg-1 in soybeans and 0.72 to 11.80 μg·kg-1 in soybean oil.
- Malathion, pyraclostrobin, and o,p'-DDT were the most frequently detected pesticides.
- Health risk assessment indicated negligible acute and chronic health risks from soybean oil consumption.
Conclusions:
- Soybean oil processing can lead to the accumulation of most pesticide residues in the oil phase.
- The detected pesticide residue levels in soybean oil are within safe limits.
- This study supports the overall safety of soybean oil products regarding pesticide contamination.
