22 October 2007 Monitoring muscle optical scattering properties during rigor mortis
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Abstract
Sarcomere is the fundamental functional unit in skeletal muscle for force generation. In addition, sarcomere structure is also an important factor that affects the eating quality of muscle food, the meat. The sarcomere structure is altered significantly during rigor mortis, which is the critical stage involved in transforming muscle to meat. In this paper, we investigated optical scattering changes during the rigor process in Sternomandibularis muscles. The measured optical scattering parameters were analyzed along with the simultaneously measured passive tension, pH value, and histology analysis. We found that the temporal changes of optical scattering, passive tension, pH value and fiber microstructures were closely correlated during the rigor process. These results suggested that sarcomere structure changes during rigor mortis can be monitored and characterized by optical scattering, which may find practical applications in predicting meat quality.
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J. Xia, J. Xia, J. Ranasinghesagara, J. Ranasinghesagara, C. W. Ku, C. W. Ku, G. Yao, G. Yao, } "Monitoring muscle optical scattering properties during rigor mortis", Proc. SPIE 6761, Optics for Natural Resources, Agriculture, and Foods II, 67610H (22 October 2007); doi: 10.1117/12.733348; https://doi.org/10.1117/12.733348
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