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Journal of Biomedical Optics

Met-myoglobin formation, accumulation, degradation, and myoglobin oxygenation monitoring based on multiwavelength attenuance measurement in porcine meat
Author(s): Thien Nguyen; Kien Nguyen Phan; Jee-Bum Lee; Jae Gwan Kim
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Paper Abstract

We propose a simple, rapid, and nondestructive method to investigate formation, accumulation, and degradation of met-myoglobin (met-Mb) and myoglobin oxygenation from the interior of porcine meat. For the experiment, color photos and attenuance spectra of porcine meat (well-bled muscle, fat, and mixed) were collected daily to perform colorimetric analysis and to obtain the differences of attenuance between 578 and 567 nm (A578-A567) and between 615 and 630 nm (A630-A615), respectively. Oxy-, deoxy-, and met-myoglobin concentration changes over storage time were also calculated using Beer–Lamberts’ law with reflectance intensities at 557, 582, and 630 nm. The change of A578-A567 was well matched with the change of myoglobin oxygenation, and the change of A630-A615 corresponded well with the formation and degradation of met-Mb. In addition, attenuation differences, A578-A567 and A630-A615, were able to show the formation of met-Mb earlier than colorimetric analysis. Therefore, the attenuance differences between wavelengths can be indicators for estimating myoglobin oxygenation and met-Mb formation, accumulation, and degradation, which enable us to design a simple device to monitor myoglobin activities in porcine meat.

Paper Details

Date Published: 6 May 2016
PDF: 9 pages
J. Biomed. Opt. 21(5) 057002 doi: 10.1117/1.JBO.21.5.057002
Published in: Journal of Biomedical Optics Volume 21, Issue 5
Show Author Affiliations
Thien Nguyen, Gwangju Institute of Science and Technology (Republic of Korea)
Kien Nguyen Phan, Hanoi Univ. of Science and Technology (Vietnam)
Jee-Bum Lee, Chonnam National Univ. Medical School (Republic of Korea)
Jae Gwan Kim, Gwangju Institute of Science and Technology (Republic of Korea)

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