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Effects of electrical stimulation and hot boning on physical changes cooking time and losses and tenderness of beef roasts

Ray, E.E.; Stiffler, D.M.; Berry, B.W.

Journal of Food Science 47(1): 210-213

1982


ISSN/ISBN: 0022-1147
DOI: 10.1111/j.1365-2621.1982.tb11061.x
Accession: 005301530

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Beef semimembranosus and semitendinosus muscles were removed prerigor (1 h postmortem) and postrigor (7 days postmortem) after 1/3 of the left and right sides were electrically stimulated. The influence of electrical stimulation and hot-boning upon physical changes; cooking losses; shear force; taste panel evaluation; and time required to heat product to an internal temperature of 63.degree. C was studied. There was no consistent influence of electrical stimulation upon physical changes of prerigor muscles or upon tenderness of pre- or postrigor roasts. Hot-boned and precooked roasts were less tender than cold-boned counterparts. Cooking yields were not altered by electrical stimulation. Prerigor roasts had 9% higher yields than postrigor roasts. Prerigor roasts from electrically stimulated sides required a longer time to cook to 63.degree. C than roasts from the control sides. Hot-boning reduced the length of time of cooking (95 min/kg to 72 min/kg of raw wt).

Effects of electrical stimulation and hot boning on physical changes cooking time and losses and tenderness of beef roasts

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