Identification of common milk adulterants using in Mirzapur city

Abstract

Two types of the milk samples i.e. 30 raw and 20 packaged (total 50) were collected from 10 different cites (Dankeen Ganj, Panditan, Railway Bazar, Bus Station, Bharhuna, Vindhyachal, Peelikothi, Awas Vikas Colony, Wellesly Ganj and Mahuria) of the Mirzapur city. Adulteration tests were conducted for urea, salt, soap, skimmed milk power, glucose, formalin, salicylic acid, boric acid, starch and ammonium sulphate. 80%, 56% and 54% samples tested were found positive for urea, salt and soap, respectively. While, 42% milk samples were found positive for skimmed milk powder test. Only 10% samples were positive for glucose. Similarly, 36% of milk samples were found positive for formalin. The extent of adulteration of salicylic acid, boric acid, starch and ammonium sulphate is depicted that 56% and 32% number of milk were noticed positive for salicylic acid and boric acid. It is also evident from the findings that 38% samples were adulterated with starch. While, 12% of collected samples (raw and packaged) were observed positive for ammonium sulphate.