An investigation of the effect of rapid slurry chilling on blown pack spoilage of vacuum-packaged beef primals
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Accepted version
Date
2016-12-16
Authors
Reid, R.
Fanning, Séamus
Whyte, P.
Kerry, Joseph P.
Bolton, Declan
Journal Title
Journal ISSN
Volume Title
Publisher
Wiley
Published Version
Abstract
The aim of this study was to investigate if rapid slurry chilling would retard or prevent blown pack spoilage (BPS) of vacuum-packaged beef primals. Beef primals were inoculated with Clostridium estertheticum subspp. estertheticum (DSMZ 8809), C. estertheticum subspp. laramenise (DSMZ 14864) and C. gasigenes (DSMZ 12272), and vacuum-packaged with and without heat shrinkage (90°C for 3 s). These packs were then subjected to immediate chilling in an ice slurry or using conventional blast chilling systems and stored at 2°C for up to 100 days. The onset and progress of BPS was monitored using the following scale; 0-no gas bubbles in drip; 1-gas bubbles in drip; 2-loss of vacuum; 3-‘blown’; 4-presence of sufficient gas inside the packs to produce pack distension and 5-tightly stretched, ‘overblown’ packs/packs leaking. Rapid slurry chilling (as compared to conventional chilling) did not significantly affect (P > 0.05) the time to the onset or progress of BPS. It was therefore concluded that rapid chilling of vacuum-packaged beef primals, using an ice slurry system, may not be used as a control intervention to prevent or retard blown pack spoilage. Significance and Impact of the Study: This study adds to our growing understanding of blown pack spoilage of vacuum-packaged beef primals and suggests that rapid chilling of vacuum-packaged beef primals is not a control option for the beef industry. The results suggest that neither eliminating the heat shrinkage step nor rapid chilling of vacuum-packaged beef retard the time to blown pack spoilage.
Description
Keywords
Beef , Blown pack spoilage , Clostridium estertheticum , Clostridium gasigenes , Rapid chilling , Spoilage
Citation
Reid, R., Fanning, S., Whyte, P., Kerry, J. and Bolton, D. (2017) 'An investigation of the effect of rapid slurry chilling on blown pack spoilage of vacuum-packaged beef primals', Letters in Applied Microbiology, 64(2), pp. 177-181. doi:10.1111/lam.12703
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Copyright
© 2016 The Society for Applied Microbiology. Published by Wiley. This is the peer reviewed version of the following article: (2017), An investigation of the effect of rapid slurry chilling on blown pack spoilage of vacuum-packaged beef primals. Lett Appl Microbiol, 64: 177–181, which has been published in final form at http://dx.doi.org/10.1111/lam.12703. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. http://olabout.wiley.com/WileyCDA/Section/id-820227.html#terms