Detection of Different Adulterant in Different Milk Samples
DOI:
https://doi.org/10.37591/rrjodst.v6i3.189Abstract
The study is carried out keeping in view the recently emerging concern of adulteration of natural milk with various illegal substances to increase its marketability. This study explains in detail the hygienic status of milk supplied to various cafes, small hotels and other public and educational institutions. A total of 50 samples were collected from different localities in Delhi/NCR, India and tested for determination and extent of adulteration. Qualitative analyses were carried out on 20 milk samples. Out of 20 samples, only two samples were found to be adulterated with sulphate and starch. Other adulterants were found absent. For analysis seven test comprising of sulphate test, Anionic detergent test, nitrate test, starch test, ammonium compound test, saccharine test, sucrose test were performed to check the presence of different adulterants. The two samples were confirmed to be adulterated by the appearance confirmatory results of the analysis i.e. appearance blue color confirmed the presence of starch in sample no. 6 and sample no. 18, appearance visible precipitate confirmed the presence of sulphate in sample no. 6 and sample no. 18. Only 10% samples were found to be adulterated by starch and sulphate, however other adulterants were found to be absent. Sample no. 6 is collected from Verka dairy in Delhi and Sample no. 18 is collected from Vishnu dairy in Ghaziabad. It is evident from the result that the milk served in Delhi/NCR is approximately hygienic on the parameters analysis for the detection of adulterants as only two samples out of twenty were found to be adulterated. This analysis also shows that packed milk served in Delhi/NCR is hygienic as no adulteration is observed in milk samples of packed milk. This qualitative analysis which has unfolded proved that the milk procured did not conform to the legal standards and was adulterated with toxic chemicals which are injurious to health.
Keywords: Adulterant, milk, qualitative analysis
Cite this Article Neeti Nayak. Detection of Different Adulterant in Different Milk Samples. Research and Reviews: Journal of Dairy Science and Technology. 2017; 6(3): 17–29p.
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