Journal
JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE
Volume 58, Issue 1, Pages -Publisher
SPRINGER INDIA
DOI: 10.1007/s13197-020-04522-2
Keywords
Organochlorine pesticides; Milk samples; Health hazardous effects
Categories
Funding
- Portuguese Foundation for Science and Technology (FCT-Portugal) [UID/BIM/04293/2013, NORTE-01-0145-FEDER-000012]
- Higher Education Commission (HEC) Pakistan
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The study investigated the concentrations of organochlorine pesticides in milk in Lahore, finding residues that pose potential health risks, especially to children. Some dairy farm milk samples exceeded maximum residual limits, indicating health threats from pesticide residues in milk available in Lahore.
The current study was employed to investigate the organochlorine pesticides (OCP) concentrations in milk, as the milk we consume, has residues of these notorious pesticides. The residual concentrations of OCP in milk have numerous harmful effects on health especially the children. Therefore, milk was analyzed using gas chromatography equipped with mu ECD for seven OCP residues, namely alpha-endosulfan, beta-endosulfan, Endosulfan-sulphate, DDE, gamma-HCH, Dieldrin, and DDT. Three hundred and sixty raw milk samples were collected from urban areas (10 areas of Lahore N = 300) and Dairy Farms (10 farms in Lahore N = 60) from September 2012 to September 2013. Samples were collected after an interval of 2 months, for 12 months. Mean values of OCPs in milk samples from urban areas were reported as alpha-endosulfan, beta-endosulfan, Endosulfan-sulphate, DDE, gamma-HCH, and Dieldrin with concentration of 17.44 +/- 3.99, 35.74 +/- 7.50, 20.28 +/- 3.95, 2.51 +/- 0.55, 0.93 +/- 0.16 and 1.12 +/- 0.18 mu g kg(-1), respectively, while the milk samples from dairy farms with concentration of 26.94 +/- 4.63, 59.88 +/- 6.76, 32.07 +/- 4.51, 4.64 +/- 0.48, 1.20 +/- 0.17 and 1.93 +/- 0.18 mu g kg(-1), respectively. None of the samples analyzed were found positive for the presence of DDT, just as none of the samples from area milk shops exceeded the Maximum Residual Limits (MRLs). gamma-HCH and beta-endosulfan were found higher in dairy farm milk samples than the MRLs. Conclusively, these pesticide residues are present in milk available in Lahore in enough quantity (some exceeding the MRLs) to threaten human health, particularly the infant and children.
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