1. DDT and HCH residues in dairy milk samples collected from different geographical regions of India: a multicentre study.
- Author
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Kalra RL, Kaur H, Sharma S, Kapoor SK, Chakraborty SS, Kshirasagar RB, Vaidya RC, Sagade RB, Shirolkar SB, Dikshith TS, Raizada RB, Srivastava MK, Singh V, Nagarja KV, Appaiah KM, Srinivasa MA, Rani MU, Rao SN, Toteja GS, Dasgupta J, Ghosh PK, and Saxena BN
- Subjects
- Animals, Humans, India, Maximum Allowable Concentration, DDT analysis, Food Contamination, Hexachlorocyclohexane analysis, Milk chemistry, Pesticide Residues analysis
- Abstract
Under a multicentre study conducted by the Indian Council of Medical Research, 2205 samples of dairy milk were collected from rural and urban areas of 12 states representing different geographical regions of India. These samples were analysed for residues of DDT and different isomers of HCH by gas-liquid chromatography. Analytical quality assurance between various participating laboratories was ensured through analysis of check samples. The residues of DDT and HCH were detected in more than 80% of samples analysed. Concentrations of DDT residues, alpha-HCH, beta-HCH, gamma-HCH and delta-HCH exceeded their maximum residue limits prescribed by the Ministry of Health and Family Welfare of the Indian Government in 37, 21, 42, 28 and 4% of the samples, respectively. Median values of DDT and HCH found in dairy milk in India were more than the corresponding values reported from most other countries. The results showed significant variations in the incidence as well as level of these contaminants in dairy milk from different regions of the country.
- Published
- 1999
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