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Gad Alla, S., Ayoub, M., Salama, E., Thabet, W., Lotfy, N. (2012). DIETARY INTAKE OF SOME ORGANOPHOSPHOURS INSECTICIDES IN SOME VEGETABLE CROPS IN EGYPT, A PRELIMINARY CASE STUDY. Journal of Plant Protection and Pathology, 3(11), 1145-1156. doi: 10.21608/jppp.2012.84403
Sohair A. Gad Alla; M. M. Ayoub; E. Y. Salama; W. M. Thabet; Naglaa M. Lotfy. "DIETARY INTAKE OF SOME ORGANOPHOSPHOURS INSECTICIDES IN SOME VEGETABLE CROPS IN EGYPT, A PRELIMINARY CASE STUDY". Journal of Plant Protection and Pathology, 3, 11, 2012, 1145-1156. doi: 10.21608/jppp.2012.84403
Gad Alla, S., Ayoub, M., Salama, E., Thabet, W., Lotfy, N. (2012). 'DIETARY INTAKE OF SOME ORGANOPHOSPHOURS INSECTICIDES IN SOME VEGETABLE CROPS IN EGYPT, A PRELIMINARY CASE STUDY', Journal of Plant Protection and Pathology, 3(11), pp. 1145-1156. doi: 10.21608/jppp.2012.84403
Gad Alla, S., Ayoub, M., Salama, E., Thabet, W., Lotfy, N. DIETARY INTAKE OF SOME ORGANOPHOSPHOURS INSECTICIDES IN SOME VEGETABLE CROPS IN EGYPT, A PRELIMINARY CASE STUDY. Journal of Plant Protection and Pathology, 2012; 3(11): 1145-1156. doi: 10.21608/jppp.2012.84403

DIETARY INTAKE OF SOME ORGANOPHOSPHOURS INSECTICIDES IN SOME VEGETABLE CROPS IN EGYPT, A PRELIMINARY CASE STUDY

Article 4, Volume 3, Issue 11, November 2012, Page 1145-1156  XML PDF (396.18 K)
Document Type: Original Article
DOI: 10.21608/jppp.2012.84403
Authors
Sohair A. Gad Alla1; M. M. Ayoub1; E. Y. Salama1; W. M. Thabet1; Naglaa M. Lotfy2
1Ministry of Agric., Agric. Res. Center, Central Laboratory of Residue analysis of Pesticides and Heavy Metals in Food, Dokki, Egypt.
2Suez Canal Univ., Fac. of Agric., Plant Protection Dept. - Ismailia , Egypt.
Abstract
A Total of 178 samples of commonly consumed vegetables were collected from seven different Egyptian governorates in 2007 and onward. A multiresidue method was used for analysis and the pesticides determined by gas chromatography. The Twenty nine organophosphorus (OP) pesticides were tested with validated analytical method using Gas chromatography, GC-NPD. Overall, 87% of the vegetables samples had no detectable organophosphorus pesticides. Of the analysed samples, 13.5% contained detectable residues, of which 4.5% exceeded MRL’s.The obtained monitoring results showed that 4 out of 29 organophosphorus pesticides were detected in the analysed vegetable samples. The frequencies and percentages of detected residues were chlorpyrifos detected in 12 samples with percentage 6.7 % followed by profenofos detected in 11 samples with percentage 6.2%, then ethion and chlorpyrifos-Me detected in 3 and 2 samples with percentages 1.7%, 1.1% respectively. Risk assessments were also performed by calculating estimated daily intake (EDI) comparing the figures with acceptable daily intake (ADI). The intakes of OP pesticides were generally lower than 100% of the Acceptable Daily Intakes (ADIs). Tomato is the most vegetables contribution of the highest OP intake. The highest intake was that of profenofos 59.62 ug/ person followed by chlorpyrifos 55.62 ug/person, chlorpyrifos-Me, 15.34 ug/person and then ethion 12.98 ug/person, based on GEMS/food consumption rate
Keywords
Pesticides Residues; Organophosphorus; OP; Vegetables; ADI; EDI; MRL; intake
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