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              Research 
(Published 
online: 21-01-2015) 
              
              14. Evaluation of pesticide residues in human blood samples 
              from Punjab (India) -   Jasbir Singh Bedi, J. P. S. 
              Gill, P. Kaur, A. Sharma and R. S. Aulakh 
              Veterinary World, 8(1): 66-71   
              
   
                
                
doi: 
              10.14202/vetworld.2015.66-71 
                  Jasbir 
              Singh Bedi: 
              
              Department of Veterinary Public Health and Epidemiology, School of 
              Public Health and Zoonoses, Guru Angad DevVeterinary and Animal Sciences University, Ludhiana, Punjab, 
              India;
              
              
              bedijasbir78@gmail.com
 J. P. 
              S. Gill: 
              
              Department of Veterinary Public Health and Epidemiology, School of 
              Public Health and Zoonoses, Guru Angad DevVeterinary and Animal Sciences University, Ludhiana, Punjab, 
              India;
              
              
              gilljps@gmail.com
 P. Kaur:
              
              
              Department of Veterinary Public Health and Epidemiology, School of 
              Public Health and Zoonoses, Guru Angad DevVeterinary and Animal Sciences University, Ludhiana, Punjab, 
              India;
              
              
              prabhagri@gmail.com
 A. 
              Sharma: 
              
              Department of Veterinary Public Health and Epidemiology, School of 
              Public Health and Zoonoses, Guru Angad DevVeterinary and Animal Sciences University, Ludhiana, Punjab, 
              India;
              
              
              anupamasharma.vph@gmail.com
 R. S. 
              Aulakh: Department of Veterinary Public Health and 
              Epidemiology, School of Public Health and Zoonoses, Guru Angad DevVeterinary and Animal Sciences University, Ludhiana, Punjab, 
              India;
              
              rsaulakh@rediffmail.com
 Received: 26-08-2014, Revised: 08-12-2014, Accepted: 15-12-2014, 
              Published online: 21-01-2015
   
              
              
              Corresponding author:
              
              Jasbir Singh Bedi, email: bedijasbir78@gmail.com 
 
              Abstract 
 
              Aim: The present study was 
              undertaken to estimate the current status of residues of 
              organochlorine pesticides (OCPs), organophosphates (OPs) and 
              synthetic pyrethroids (SPs) pesticides in human blood.Materials and Methods: Human blood samples were analyzed by 
              gas chromatography and confirmed by gas chromatographymass 
              spectrometry in selective ion monitoring mode.
 Results: The gas chromatographic analysis of human blood 
              samples collected from Punjab revealed the presence of 
              p,p’-dichlorodiphenyl dichloroethylene (DDE), p,p’ 
              dichlorodiphenyl dichloroethane (DDD), o,p’ DDE and β-endosulfan 
              at mean levels of 15.26, 2.71, 5.62 and 4.02 ng/ml respectively. 
              p,p’ DDE residue was observed in 18.0% blood samples, and it 
              contributes 55% of the total pesticide burden in human blood. The 
              difference of total dichlorordiphenyl trichloroethane (DDT) 
              between different age groups of humans was found to be 
              statistically significant (p<0.05). The difference of DDT and 
              endosulfan between dietary habits, gender and spraying of 
              pesticides was found statistically non-significant, however 
              endosulfan residues were observed only in pesticide sprayer’s 
              population.
 Conclusion: Occurrence of p,p’ DDE, p,p’ DDD, o,p’ DDE in 
              human blood indicated restricted use of DDT. However, presence of 
              endosulfan residues in occupationally exposed population is a 
              matter of public health concern.
 Keywords: dichlorordiphenyl trichloroethan, endosulfan, 
              residues, human blood, Punjab.
 
 
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