PJB-2020-451
DETECTION AND ESTIMATION OF PESTICIDES IN SEASONAL FRUITS AND VEGETABLES
Qaiser Iqbal
Abstract
To ensure the safe level of pesticides in food items, 12 samples were selected, among of which 6 were from winter season and 6 belonged to summer season. Three vegetables i.e. Cabbage, Cauliflower and Spinach were selected from winter season and three Fruit samples i.e. Orange, Guava, and Pomegranate were also selected from winter. Three vegetables belonging to summer season were Ladyfinger, Capsicum and Bingil. And the three Fruit Samples of Summer season were Strawberry, Grapes and Mango. Each of the twelve samples was purchased from three main Fruit markets of Lahore City (Badami Bagh, Koat Lakhpat and Shahdara). So a total of 36 samples were selected for pesticide residue analysis. Extraction of samples was carried out using Acetonitril, Sodium Chloride and phosphate buffer. Extracted samples were tested through HPLC where Strawberry, Spinach and Ladyfinger samples collected from Badami Bagh Market showed the presence of Acetamiprid, Imidacloprid and Emamectin-Benzoate residues as 0.84mg/kg, 0.26mg/kg and 0.94mg/Kg respectively. Grapes, Cabbage and Cauliflower samples collected from Koat Lakhpat (Kahna) Market showed the presence of Chlorpyrifos, Acetamiprid and Imidacloprid residues as 0.32mg/kg, 0.67mg/kg and 0.54 mg/Kg respectively. Capsicum sample collected from Shahdara Market showed the presence of Emamectin-Benzoate residue as 0.58mg/kg.
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