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KMID : 0903520050480040388
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2005 Volume.48 No. 4 p.388 ~ p.393
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A Study on the Removal Efficiency of Pesticide Residues in Fruits and Vegetables Treated by Additional Materials
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Ku Pyung-Tae
Jin Sung-Hyun
Kang Jung-Mi
Kwon Hyuk-Dong
Park Sun-Hee
Lee Ji-Yoon
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Abstract
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This study was conducted to experiment the removal efficiency of 6 pesticides in fruits and vegetables using various washing solutions. As results, the average removal efficiencies of pesticides washed with tap-water were 68.3%, whereas those washed by ultrasonic cleaning for 2 and 5 minutes were 73.7% and 82.5%, respectively. Using different washing solutions with various additional materials such as 0.5% detergent, 5% vinegar, 5% salt and flour, the removal rates were 82.9%, 76.9%, 75.8% and 75.7%, respectively. With 0.5% detergent, pesticides were 20% more removed when washed by ultrasonic cleaning than tap-water washing; moreover, Chlorthalonil in cherry tomato showed the highest removal efficiency while EPN in grape washed with tap-water showed the lowest. The order of removal efficiencies of pesticides were Chlorthalonil (90.0%) > Procymidone (81.3%) > Chlorpyrifos (76.6 %) > Endosulfan (75.7%) > Fenitrothion (75.5%) > EPN (73.8%).
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KEYWORD
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removal efficiency, pesticides, additional materials
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