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Changes in microbial composition on the crust by different air flow velocities and their effect on sensory properties of dry-aged beef
Cited 52 time in
Web of Science
Cited 61 time in Scopus
- Authors
- Issue Date
- 2019-07
- Publisher
- Elsevier BV
- Citation
- Meat Science, Vol.153, pp.152-158
- Abstract
- Beef rumps (middle gluteal) were dry aged for 28 days using different air flow velocities of 0, 2.5, and 5 m/s (DA0, DA2.5, and DA5, respectively). The microbial composition, physicochemical traits (moisture, pH, and shear force), flavor compounds (inosine 5'-monophosphate, reducing sugar, free amino acid, and free fatty acid), and electronic tongue profile were analyzed at day 0, 14, and 28. No molds or yeasts were detected until day 14. On day 28, Pilaira anomala was found to be the most abundant in DA0, whereas DA2.5 and DA5 showed increased composition of Debaryomyces hansenii. With that, the significant changes in physicochemical traits and flavor compounds occurred. In addition, the pattern of flavor compounds and taste attributes from DA0, which had different mold and yeast compositions, were discriminable from DA2.5 and DA5. Therefore, our results suggest that air flow can affect microbial composition on the crust, possibly resulting in different sensory properties of dry-aged beef.
- ISSN
- 0309-1740
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Related Researcher
- College of Agriculture and Life Sciences
- Department of Agricultural Biotechnology
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