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 steps involved in the manufacture of milk. The steps are: 1. Receiving Milk 2. Pre-Heating 3. Filtration/Clarification 4. Cooling and Storage of Raw Milk 5. Standardization 6. Pasteurization 7. Homogenization 8. Bottling/Packaging 9. Storage. Step # 1. Receiving Milk: Milk may be delivered to the Milk Plant/ Dairy in cans or tankers [...]
Cleaning or washing of dairy equipment implies the removal of 'soil' from the surface of each machine. Sanitization (also referred to as sterilization) implies the destruction of all pathogenic and almost all non-pathogenic microorganisms from equipment surface. Note: 'Soil' consists primarily of milk or milk product residues which may be more or less modified by processing treatment, or by interaction [...]