A generation ago the title of this book would have contained such terms as canning, bottling, sterilization and heat preservation; however, with the passage of time it has become necessary to use a more general title. The term thermal processing is used here in a general sense and relates to the determination of heating conditions required to produce microbiologically safe products of acceptable eating quality. It conveys the essential point that this book is concerned with the heating and cooling of packaged food products. The only attempt to produce a generic title has been due to Bitting (1937), who used the term appertizing, after the process developed and commercialized by Nicholas Appert (1810) to describe the canning and bottling process. Despite the need for a generic term, rather surprisingly, this has never been used to any great extent in the technical press.
KeywordsPackaging Material Technical Memorandum Vent Valve Polyvinylidene Chloride Food Canning
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