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Application of the Pesticide Multiresidue Analysis Method for Potatoes and Carrots  

Kim, Min-Jung (LabFrontier Corporation)
Jung, See-Sub (LabFrontier Corporation)
Park, Jong-Sel (LabFrontier Corporation)
Kim, Jang-Eok (Department of Agricultural Chemistry, Kyungpook National University)
Lee, Young-Deuk (Division of Life and Environmental Science Daegu University)
Kim, Jeong-Han (School of Agricultural Biotechnology, Seoul National University)
Oh, Chang-Hwan (LabFrontier Corporation)
Publication Information
Korean Journal of Food Science and Technology / v.37, no.2, 2005 , pp. 304-307 More about this Journal
Abstract
Multiresidue method was set up for the simultaneous determination of various residual pesticides in potatoes and carrots, which was analyzed by gas chromatography-electron capture detector/nitrogen phosphorus detector. Method consisted with acetone/acetonitrile (9 : 1) extraction and dichloromethane partition, followed by florisil cartridge purification with hexane/dichloromethane/acetonitrile (50 : 45 ; 5) elution. Among 197 pesticides (194 kinds) spiked to food materials, 143 and 155 pesticides were recovered over 70% on potatoes and carrots, respectively. Nineteen pesticides including bromacil, cyproconazole, were not detected in water and sample matrices. Matrix components may affect the low detections of 25 pesticides such as benfuracarb, bitertanol from potatoes and 16 pesticides such as bitertanol, carbosulfan from Carrots. Some pesticides including dichlobenil, fluoroimide and iprodione were highly detected from one or both matrices even though they were not detected from water.
Keywords
residual pesticides; multiresidue analysis; potatoes; carrots;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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