Abstract
ABSTRACTTwo extra low voltage electrical stimulation (ES) systems have been evaluated for their effect on the tenderness of beef semimembranosus (SM), longissimus dorsi (LD), gluteus medius, biceps femoris and semitendinosus muscles. Warner‐Bratzler shear force values indicated that both ES systems worked satisfactorily; ES samples had values which (a) were significantly (P < 0.001) lower than obtained for unstimulated (NES) samples where both were held under chilling conditions which should have produced considerable toughening, and (b) were not significantly different from NES samples restrained from shortening. Comparing ES samples with unrestrained and restrained NES samples, held under identical rapid chilling conditions, showed not only that the ES systems worked, but how well they worked. The SM and LD muscles appeared preferable for evaluation purposes.
Published Version
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