Food is an obvious fundamental need that provides the body with nutrients and helps in maintaining good health. It is a basic need to support life of not only man but also the other animals and micro organisms. The consumable food often deteriorates due to the effect of several factors. The most important factor is the fact that it serves as a good substrate for the growth of micro organisms that cause the food spoilage. This course aims to help the students to understand the various properties of food and the factors that make it vulnerable for spoilage. Also it gives details on the techniques involved in prevention of spoilage and preservation of food and the methods of detection of food spoilage micro organisms. The practical work of the course comprises of experiments in production of certain food, beverages a few food ingredients using micro organisms and the qualitative tests to determine food quality.