Physical and chemical quality of milk sold in Kanpur city (U.P.)

The milk samples were collected and analysed for physical parameters like colour, flavour, specific gravity and pH and chemical parameters like acidity and fat percentage. The common preservatives and ndulterants were also detected to know the quality of milk supplied in the market. All the milk samples collected from organized sector showed the highest mean colour (8.32) and flavour (40.07) scores, highest mean specific gravity (1.029) and highest mean fat percentage (6.1%) and showed normal pH and acidity. While unorganised sector showed the lowest mean colour (6.37) and flavour (36.96) scores and lowest mean (1.026), (5.84) and (3.20%) in respect of specific gravity, pH and fat percentage, respectively and the mean values of acid was 0.142. Almost all the milk samples from unorganized sector were found to contain some amount of thickening agents and preservatives i.e. starch, urea, detergents, formalin, sodium bicarbonate, etc.