Abstract
Conventional apparatus for measuring the loss of extensibility caused by rigor mortis as carcass muscles are converted to meat (rigorometer) was reconfigured from a two-parameter system (distance of muscle extension versus time post-mortem) to a three-parameter system (change in load-elongation relationship versus time post mortem). The apparatus was operated from a microcomputer with relays and high-speed analog to digital converters. Useful realtime outputs were the sample drop time when loaded and percent hysteresis. Repetitive testing by the periodic loading of muscle strips already set in rigor mortis caused an increase in extensibility without affecting the unloaded length of the muscle strips. The longitudinal deformation of lateral cytoskeletal components between myofibrils was detected by electron microscopy.
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Schedule a callMore From: Canadian Institute of Food Science and Technology Journal/Journal de L'Institut Canadien de Science et Technologie Alimentaire
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