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Segmented Flow Aseptic Processing: An Update

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  036177,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.14211) @2003
Authors:   Aaron B. Stephens, Paul N. Walker
Keywords:   Aseptic, food, thermal, processing, segmented flow, microprocessor, thermistor

A model was developed to accurately describe the heat transfer within a segmented-flow aseptic system for processing a synthetic food comprised of xanthan and spherical food particles. From this model, the cumulative microbial lethality can be estimated.

A segmented-flow aseptic processing system can produce shelf-stable foods containing particulates that are of high quality. This is possible due to the smaller residence time distribution than pipe-flow aseptic processing and better heat transfer than canning, allowing foods to be processed only as long as needed to achieve the proper microbiological lethality, and not overcooking the food.

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