Please join StudyMode to read the full document. Foods are preserved for the following reasons: 1. To add variety to the diet, by making food available out of season. To make use of food when it is cheap and plentiful and to store it for later use. To vary the diet by preserving food in ways the make a new product out of the food e. However, some bacteria and bacterial spores are resistant to such temperatures and higher temperatures are required to destroy them. The main methods of heat treatment are: 1 Sterilization.
Ever wondered where the heck food preservation started from? For a clear picture of the food preservation history, let's take together a walk-through some of the methods during the ages, so that you can appreciate some of the milestones that have been overcome. We are going to give you a blow by blow account of how it all begun, we will look at the different ages and the type of food preservation method that was common during that period, to see how there has been an improvement with time and how it has evolved from an inferior method to a superior one. As time went by, there was more research and innovation which gave birth to a horde of new efficient and easy to implement techniques. New food preservation methods have been discovered or improved from their older models over time.
Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Mohamed and A.