Animal Science, Department of

 

Date of this Version

2021

Citation

Published in 2021 Nebraska Beef Cattle Report, University of Nebraska Extension Publication MP110

Comments

Copyright © 2020 The Board of Regents of the University of Nebraska.

Abstract

New research has suggested the ability of Pseudomonas, a common spoilage microorganism, to grow in cooked beef products stored under vacuum which challenges the traditional understanding of the role of Pseudomonas during cooked beef spoilage. Understanding the mechanisms of survival and growth of Pseudomonas in these products is crucial for improving shelf life. The objective of this experiment was to determine Pseudomonas survival in a thermally processed, emulsified cooked beef model system. After eight weeks of refrigerated storage, Pseudomonas was recovered from cooked emulsified beef, indicating the potential for Pseudomonas to survive thermal processing and cause spoilage in cooked vacuum packaged beef products.

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