Market hogs were conventionally chilled (CN, n = 12) or Rinse & Chill® processed (RC, n = 13, MPSC Inc.). Muscles (Longissimus lumborum, LL; picnic shoulder, PS) were processed (chops, ground), packaged, and displayed or stored in the dark. Color, pH, moisture fat free (MFF), expressible moisture (EM), oxygen consumption, Warner-Bratzler shear (WBS), total pigment, TBARS, and hexanal content were determined. RC generally resulted in a lower pH during the first 4 h compared to CN. RC compared to CN had lower fat, but were not different in moisture fat free, expressible moisture, and total pigments. RC did not affect cooler shrink, cook loss and WBS force. RC PS was redder than RC LM. RC had greater deoxymyoglobin than CN on 7 d display. RC chops (LL) were lighter and had less deoxymyoglobin compared to CN. RC ground pork had greater oxygen consumption, lower TBARS and hexanal values compared to CN. RC has the potential to improve color and reduce lipid oxidation.
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