Relationship of Water Binding and pH to Tenderness of Bovine Muscles

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Abstract
Water binding, pH and proximate analysis data were obtained on the l. dorsi, semimembranosus and triceps brachii muscles from 28 yearling steers, classified as tender or less tender on the basis of shear values for the l. dorsi muscles. A negative correlation between water loss and pH was evident for all three muscles. Negative correlations between water loss and moisture content, and between ash and moisture content were found in the l. dorsi and triceps brachii muscles. A positive relationship was shown between water loss and ash in these two muscles. A negative correlation was found between nitrogen and moisture content in the semimembranosus and triceps brachii muscles. Positive relationships were evident between nitrogen and ash and nitrogen and water loss in the semimembranosus muscles. No significant differences in the parameters studied were evident between tenderness groups. However, highly significant differences were found between muscles within tenderness groups. Copyright © 1969. American Society of Animal Science . Copyright 1969 by American Society of Animal Science

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