HEGAZY, M., ABU-ZAHW, M., BAYOUMY, A., SOLIMAN, S., HAGGAG, M. (1997). BEHAVIOUR OF FENITROTHION RESIDUES IN POTATO TUBERS AS AFFECTED BY SOME PROCESSING STEPS.. Egyptian Journal of Agricultural Research, 75(2), 345-352. doi: 10.21608/ejar.1997.404739
MOHAMED E. A. HEGAZY; MOSTAFA M. ABU-ZAHW; ABDEL-RAHMAN H. BAYOUMY; SOLIMAN A. SOLIMAN; MOHAMED N. S. HAGGAG. "BEHAVIOUR OF FENITROTHION RESIDUES IN POTATO TUBERS AS AFFECTED BY SOME PROCESSING STEPS.". Egyptian Journal of Agricultural Research, 75, 2, 1997, 345-352. doi: 10.21608/ejar.1997.404739
HEGAZY, M., ABU-ZAHW, M., BAYOUMY, A., SOLIMAN, S., HAGGAG, M. (1997). 'BEHAVIOUR OF FENITROTHION RESIDUES IN POTATO TUBERS AS AFFECTED BY SOME PROCESSING STEPS.', Egyptian Journal of Agricultural Research, 75(2), pp. 345-352. doi: 10.21608/ejar.1997.404739
HEGAZY, M., ABU-ZAHW, M., BAYOUMY, A., SOLIMAN, S., HAGGAG, M. BEHAVIOUR OF FENITROTHION RESIDUES IN POTATO TUBERS AS AFFECTED BY SOME PROCESSING STEPS.. Egyptian Journal of Agricultural Research, 1997; 75(2): 345-352. doi: 10.21608/ejar.1997.404739
BEHAVIOUR OF FENITROTHION RESIDUES IN POTATO TUBERS AS AFFECTED BY SOME PROCESSING STEPS.
1Central Agricultural Pesticides Laboratory, Agricultural Research Centre, Dokki, Giza, Egypt
2Food Science Department, Faculty of Agriculture Moshtohor, Zagazig University, Egypt
Abstract
Fenitrothion organophosphorous insecticide was dusted on potato tubers which were then kept in the laboratory. Samples were taken for residue analysis 2 hours after treatment and then after 1, 2 and 4 weeks in order to study the persistence of fenitrothion. This study also included the removal effect of some processing steps (i.e. washing, peeling, blanching, cooking and drying) on the residues of fenitrothion. It was found that all of these steps caused significant decreases in fenitrothion residues. Another part of the study included a survey carried out for monitoring the contamination of potato tubers from some local markets with organophosphorous insectisides. It was found that all organophosphorous residues detected exceeded the MRLs of codex except in one sample for dimethoate insecticide which was below its MRL on potato tubers.
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