Adulteration in foodis a biger problem faces the world, which has required more investigation,because it has attracted more attention worldwide recently. Milk is the fluid secreted by the female ofall mammalian species, to meet the essential nutritional requirement of theneonate, and it is very important component in human diets in the worldwide.
Milk is most important source for essentialnutrients and health maintenance. Milk is perfect food. It is valuable sourceof fat, protein, carbohydrates, vitamins and mineralsMilk is a balancedmixture and a perishable food. It is one of few foods consumed in the naturalform throughout the world .
Milk contain 87% water, 3.3% protein , 3.9% fats ,5% lactose and 0.7% ash .
Milk provides us building protein for body, givingvitamins, minerals (calcium) for bone forming and energy supplying (lactose andmilk fat). Besides providing certain essential fatty acids it includes allessential amino acid. All the properties of milk make it an important food forall ages.
The low costs andhigh nutritional value of milk has made it form a significant part of the humandiet. However, global increased demand made this foodstuff pone for morepotential adulteration In 2016, more than 816 million tons of milk wasproduced around the world (including cow, buffalo, sheep, goat and camel milk).India was the largest producer, with 155.2 millions of tons, USA was the secondmajor producer (96.3 millions of tons) and China was 43.4 millions of tonsHowever, as fast as the production and demandfor milk have grown, a larger frequency of sophisticated milk adulterations hasbeen reported in different countries.Adulteration of milkand other dairy products has existed from old times and it is doneeither for profit margin or lack of hygienic status of storage, processing,transportation and marketing Cleanliness andpurity of milk are indicating for good quality milk For quality dairyitems and better health of consumer, quality control of milk is requiredUnfortunately,adulteration is very common in developing countries In order to meet the shortage between demandand supply of milk the unscrupulous producers are often found to involve inmilk adulteration by adding adulterating substances in milkIncrease population,the urbanization of rural, and scattered colonization are the few main factorsaffected on increasing the demand of milk production