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CANNING is a method of using heat and airtight containers to preserve food as nearly as possible in the condition in which it is served when freshly cooked. It is a desirable and economical method of preserving many foods so that their use can be distributed over seasons and to places where they are not available fresh. Canned foods thus make…

This bulletin attempts to give in as simple form as possible the application of scientific principles to home canning of fruits and vegetables. Methods of canning are based on knowledge of the causes of food spoilage and ways of preventing it. Scientific research is constantly throwing new light on this subject, and the methods recommended in this…