Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Aseptic processing is the process by which a sterile (aseptic) product (typically food or pharmaceutical) is packaged in a sterile container in a way which maintains sterility. A Tetra Brik Aseptic package with French UHT milk Sterility is achieved with a flash-heating process (temperature between 195° and 295°F (91° to 146°C)), which retains more nutrients and uses less energy than conventional sterilization techniques such as retort or hot-fill canning. Aseptic food preservation methods allow processed food to keep for long periods of time without preservatives, as long as they are not opened. The aseptic packages are typically a mix of paper (70%), polyethylene (LDPE) (24%), and aluminum (6%), with a tight polyethylene inside layer. Together the materials form a tight seal against microbiological organisms, contaminants, and degradation, eliminating the need for refrigeration.

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