Effects of Blast Chilling on Fresh Pork Quality in Cuts from the Psoas Major, Semimembranosus, and Triceps Brachii

Date
2015-01-01
Authors
Lonergan, Steven
Blakely, Aaron
Huff-Lonergan, Elisabeth
Steadham, Edward
Prusa, Kenneth
Fedler, Christine
Huff-Lonergan, Elisabeth
Lonergan, Steven
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Abstract

Carcasses (n=40) with defined fat free lean and carcass weight were selected 45 minutes postmortem. Carcasses were split and sides subjected to conventional chill (CC) or blast chilling (BC) regimens. The Psoas Major (PM) from BC sides had increased purge loss, but was juicier, more tender and less chewy than the PM from CC sides. The Semimembranosus (SM) from BC sides had higher 30 hour pH, darker color scores, and had a lower Hunter a value than the SM from CC sides. No treatment effect was found in the Triceps Brachii.

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