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Combined Effect of Aging and Irradiation on Physicochemical Quality of Pork Shoulder
Cited 6 time in
Web of Science
Cited 6 time in Scopus
- Authors
- Issue Date
- 2019-06
- Citation
- Food Science of Animal Resources, Vol.39 No.3, pp.510-519
- Abstract
- The effect of combined electron-beam irradiation and aging temperature of pork on microbiological and physicochemical properties was investigated. The samples from pork shoulder were irradiated with 0 or 2 kGy, vacuum-packaged, and assigned randomly to an aging temperature (2 degrees C, 10 degrees C, or 25 degrees C) during 8 d. On 4 d of aging at 25., total aerobic bacteria of non-irradiated ones reached 7 Log CFU/g which is no salable levels. Shear force values of irradiated meat after aging for 2 and 4 d at 25 degrees C was lower than those aged at 2 degrees C Irradiated samples at 2 degrees C had lower cooking loss after 2 and 8 d of aging, compared with other aging temperatures. Irradiation did not accelerate 2-thiobarbituric acid reactive substance (TBARS) value when aged up to 4 d. Irradiated samples aged at 10 degrees C and 25 degrees C for 8 d scored significantly higher TBARS values. With an increased aging period, a* and b* in irradiated samples at 2 degrees C slightly increased, but irradiation caused negligible changes in meat color. The highest contents of a desirable nucleotide flavor compounds (inosine-5-phosphate) were observed in pork at 2 degrees C when aged for 4 and 8 d, while the lowest contents were observed at 25 degrees C. Aging in irradiated pork for 8 d at 2 degrees C resulted in optimal condition with improved meat quality and minimal microbiologically negative defect.
- ISSN
- 2636-0772
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Related Researcher
- College of Agriculture and Life Sciences
- Department of Agricultural Biotechnology
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