ABSTRACTZone electrophoresis using cellulose acetate membrane as the supporting medium was developed as a method to measure the amount and quantitate myoglobin and its derivatives. Total pigment and total myoglobin concentrations were not affected by electrical stimulation, but different animals and different muscles did influence the total pigment and total myoglobin content. Muscle which had been electrically stimulated showed an increase in oxymyoglobin content. This result was supported by a visual appraisal. Results from visual appraisal also supported the finding that metmyoglobin was lower in both the control and stimulated samples. The electrically stimulated steaks were bright red in color while the control samples were dark purplish red.
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