Diazinon residue in greenhouse cucumber of Tehran fruit and vegetable markets

Subject Areas : Plant Protection

Yahya Ostadi ¹ , Gholamreza Yavari ² , Mahmoud Shojaei ³ , Seyyed Mehdi Mirdamadi ⁴ , Sohrab Imani ⁵

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Received: 2010-05-08 Accepted : 2010-10-23 Published : 2009-12-22

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Abstract :

To evaluate Diazinon residue in greenhouse cucumber in fruit and vegetable markets in Tehrans, 90 samples were conducted from 59 area selected by stratified sampling method. First the samples divided by two groups ,washed samples and not washed samples , then each of them divided by three types peeled , not peeled and only peelings. The residues measured in all of the type samples extracted by solid phase extraction method and extracts analyzed by GC and GC/MS systems. Results showed that in two samples there were residue higher than the Maximum Residual Levels , and the amount of residue were 1.2 ppm in washed and notpeeled sample (washed cucumber) and 10.4 ppm in not washed peel sample.

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