Awareness in food value and people awakening to curtail the expenses on food, canning has gained lot of popularity in recent years. The history of canning can be traced back to 1809 when a French confectioner and brewer, Nicholas Appert discovered that food can be preserved for long by sealing in glass jars. Glass jars were not convenient for transportation but eventually they were replaced by cylindrical tin or wrought iron canisters.

Generally, canning is a method of preserving food in which they are sealed in an air tight container. This process prevents the microbes from entering into the container and stops food damages. In this type of food preservation there are several methods used like boiling, pasteurization, refrigeration, freezing, drying, and adding of antimicrobial agents.  Although canned foods are regarded to be of low nutritional value due to its heating process or adding preservatives some canned foods have lot of nutritional value.

Today, home canning has been popular with the growing demand for preserving food all over the world. Canning books are considered as most helpful for those who wish to preserve food. These books provide various methods and procedures of canning through which a person can learn the art of canning efficiently. They also focus on various types of food and their preserving techniques. The ‘Ball canning books’ and the ‘Kerr canning book’ are widely acknowledged as best canning books which can help you to preserve your food and learn the art of canning with excellence.