Evaluation of Diazinon and Oxydemeton-methyl Residues by GC/NPD in Tomatoes Grown in Kerman Greenhouses
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JASTMO-19-1_010
تاریخ نمایه سازی: 1 آذر 1402
Abstract:
Pesticides are one of the major pollutants in the environment. The residue of pesticides has been reported to be at a critical level in agricultural crops, especially in greenhouse crops. Tomato is considered as an important vegetable in Iranian food basket and is produced in fields and greenhouses. So, the current study aimed to assess diazinon and oxydemeton-methyl levels in tomatoes sampled from five Kerman greenhouses. The extraction of these pesticides was carried out by mixture of dichloromethane and acetone. The extracts were cleaned up according to solid-phase extraction method. The pesticide residue was then determined by capillary gas chromatography and through nitrogen-phosphorus detection. The obtained results showed that the recovery level was estimated at ۸۶.۷ and ۸۴.۳% with RSD≤ ۱۶.۰%, the limit of detection was estimated at ۰.۰۲۶ and ۰.۰۳۵ mg kg-۱, limits of quantification stood at ۰.۰۹۱ and ۰.۱۱۵ mg kg-۱, and linearity r۲= ۰.۹۹۷ and r۲= ۰.۹۸۹ for diazinon and oxydemeton-methyl, respectively, in tomato samples. The mean of diazinon residue was calculated at ۰.۲۷۶ mg kg-۱, which was ۵.۵۲ times the national Maximum Residue Limit (MRL= ۰.۰۵ mg kg-۱), and the mean of oxydemeton-methyl was ۱.۶۲۴ mg kg-۱, being ۱.۶۲۴ times the MRL (۱ mg/kg).
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Authors
F. Ganjeizadeh Rohani
Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Postal Code: ۷۶۱۶۹۱۱۳۱۹, Islamic Republic of Iran. |Department of Plant Protection of Kerman's Agricultural and Natural Resources Research and Ed
V. Mahdavi
Laboratory of Pesticide Research Department, Iranian Research Institute of Plant Protection, Postal Code: ۱۴۷۵۷۴۴۷۴۱, Islamic Republic of Iran.
M. M. Aminaee
Laboratory of Pesticide Research Department, Iranian Research Institute of Plant Protection, Postal Code: ۱۴۷۵۷۴۴۷۴۱, Islamic Republic of Iran.
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