Oxymatrine degradation in cucumber fruit, leaves, and soil in Iraq
Paper Details
Oxymatrine degradation in cucumber fruit, leaves, and soil in Iraq
Abstract
This experiment was conducted in the National Centre for Pesticides Control (NCPC)/Ministry of Agriculture during winter season 2017-2018 Toknow the degredation of Oxymatrine in cucumber fruit ,leaves and soil in greenhouse and the period of this degradation and pre harvest interval for consumers and to know the range of appropriateness the new method of extraction with cucumber, the High performances Liquid Chromatography (HPLC) was employed as analyses equipment and QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) approaches as extraction method. The obtained results were showed that Oxymatrine in cucumber fruit, leaves, and green house soil degradation was acquired in 5th, 7th, and 2th day respectively after the treatment ,then the hplc system did not detected any quantity from the insecticide oxymatrine, 7 day is the pre harvest interval(PHI),The average recoveries of Oxymatrine in cucumber fruit and leaves was 84-86.2%, in soil was 102.3-102.9%, with the relative standard deviation (RSD) 1.1% and 0.9% respectively. Through the results of this achievement, we determing the safety holding periods before the process of fruits reaping which was impossible to predict because the Oxymatrine does not have MRL in the Codex Alimentarius and European Union guideline and United States Environmental Protection Agency (USEPA), and the range of appropriateness the new method of extraction with cucumber as a future study we will expand the study of the degradation of Oxymatrine on other agricultural crops in the food basket for the Iraqi consumer.
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