FOOD 2410 Study Guide - Final Guide: Aseptic Processing, Alkaline Phosphatase, Tetra Pak
22 May 2016
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To achieve: 121c for 15 minutes, if higher temps is used a shorter time may be used. If temps only slightly above 100c may be used then it may take hours. In food processing: high temps may alter the quality of the food. Commercial sterility : the situation wherein the growth of microorganisms is halted under a specific set of conditions. All pathogenic and toxin-forming microorganisms have been destroyed. All other types of organisms that could grow in the foodstuff and cause spoilage at those conditions have been destroyed . Some spores may survive but cant grow under the conditions. Most frequently in food systems, the combination of heat treatment and the low ph of the food itself is sufficient to promote commercial sterility. The shelf-life of such foods (e. g. , canned goods) is frequently several years. Liquid products are well-suited to commercial sterilization and packaging, fuit juices and drinks, sterile for packaging. To sterilize liquid products such as fruit juices.
