检索结果-南通市图书馆

variability of Pesticide Residues in Vegetables from the Marketplaces in Jinan City

Agricultural Sciences in China 2011年第10期10卷 1646-1652页

作者： SONG Yu-feng LU Xiao REN Feng-shan Central Laboratory of Shandong Academy of Agricultural Sciences/Key Laboratory of Test Technology on Food Quality and Safety of Shandong Province Jinan 250100 P.R.China Institute of Agricultural Quality Standards and Testing Technology Shandong Academy of Agricultural Sciences Jinan 250100 P.R. China

In order to provide technological support for risk estimation of pesticide residues taken from vegetables, the residues of pesticide in vegetables in Jinan City, China, were investigated. Moreover, the variability of pesticide residues in vegetables was explored, and the variability factor was calculated. The level of pesticide residue was studied by statistical method. The variability factor was calculated using the Harrell-Davis method in accordance with principles recommended by the JMPR. In addition, the procedure of evaluation was validated according to the principles laid down by the JMPR （Joint Meeting on Pesticide Residues）. The detection rate of pesticide residues in all marketplace samples was less than 20% in Jinan City. The unqualified rate of vegetables was low （0.6%）. The chlorothalonil was found as the pesticide with the highest rate of detection. The vegetables with the highest rate of pesticide residues detected were leafy vegetables. The relationship between variability factor and mean value of concentrations of contaminations was expressed by the formula, v=4.9×Cmean. The pesticide residues in vegetables from Jinan City is low. The evaluated variability factor is larger than that the value recommended by the JMPR, however, less than the default value used for acute intake assessment of pesticide residues in UK in most cases.

关键词： variability variability factor risk assessment pesticide residues

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