Compilation of exam and interview questions and answers on Dairy Technology and Dairy Engineering . Q.1. Explain the action of milk on metals. Ans. Milk acts on certain metals, so that a small amount of the metal is dissolved in it. The metallic salts thus formed may give rise to a 'metallic' taste in the milk. Some salts act as [...]
In this article we will discuss about the physico-chemical properties of milk and milk constituents. Physico-Chemical Properties of Milk: 1. Physical State of Milk: Water is the continuous phase in which other constituents are either dissolved or suspended. Lactose and a portion of the mineral salts are found in solution, proteins and the remainder of the minerals in colloidal suspension [...]
In this article we will discuss about:- 1. Introduction to Milk Microbiology 2. Growth of Micro-Organisms 3. Destruction of Micro-Organisms. Introduction to Milk Microbiology: Nearly all the changes which take place in the flavour and appearance of milk, after it is drawn from the cow, are the result of the activities of micro-organisms. Of these, the most important in dairying [...]