Removal of Dimethoate, Carbendazim and Chlorpyrifos Residues from Date Fruits and Evaluation of the Treatments Effect on The Nutrition Value

  • Ali, Ahmeda. Kalefa
  • Zanariah C. W
  • Mohd Sukri. H


The efficiency of several wash treatments for removing dimethoate, carbendazim, and chlorpyrifos residues from date fruits treated with pesticide solution at a concentration of 20 µg/mL was measured and optimized. Pesticide samples were extracted using the QuEChERS acetate buffered technique and then analysed using HPLC coupled with a diode array detector (DAD). The results indicated that dimethoate and chlorpyrifos clearance rates rose in the sequence of NaHCO3 >acetic acid > tap water. Additionally, the percentage of pesticide residues removed from date fruits varied according to the concentration of the washing solution, the contact time, and the temperature. However, removal rate of carbendazim was the lowest throughout all the treatments. The effect of different washing procedures on the nutritional value of date fruits revealed that all treatments had a negative impact on the total sugars content, total phenolic content, and DPPH inhibition activity. Whereas tap water at 37°C resulted in significant reductions in total phenolic content across all contact periods examined as compared to control. Date fruit antioxidant capacity decreased in all washing treatments when contact periods were 5 or 10 minutes.


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How to Cite
KALEFA, Ali, Ahmeda.; W, Zanariah C.; H, Mohd Sukri.. Removal of Dimethoate, Carbendazim and Chlorpyrifos Residues from Date Fruits and Evaluation of the Treatments Effect on The Nutrition Value. Asian Journal of Fundamental and Applied Sciences, [S.l.], v. 2, n. 2, p. 85-102, july 2021. Available at: <>. Date accessed: 10 aug. 2022.