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- Title
Microflora and Color of Ground Beef in Gas Exchange Modified Atmosphere Packaging with Abusive Display Temperatures.
- Authors
Ho, C.-P.; Huang, N.-Y.; McMillin, K.W.
- Abstract
BSTRACT Gas exchange modified atmosphere packaging (GEMAP) with display gas of 80% O2:20% CO2 retarded microbial growth and improved color stability of ground beef patties compared with vacuum packaging (VP) followed by air-permeable polyvinylchloride (PVC) overwrapping during 3 d of retail display. Predominant microorganisms for GEMAP were Pseudomonas, Yersinia, Aeromonas, and Enterobacter and for VP-PVC were Pseudomonas, Brochothrix, Aeromonas, Enterobacter, Moraxella, and Lactobacillus. Lower levels of pathogens were isolated in GEMAP samples with 7 °C than 15 °C display temperature. Patties were darker (lower L*) with those with 15 °C than with 7 °C display and redder (higher a*) in GEMAP than VP-PVC. Good manufacturing practices should be followed with MAP meat to reduce the risk of pathogenic microbial growth.
- Subjects
BEEF; COOKING; GAS exchange in plants; FOOD packaging; PSEUDOMONAS; YERSINIA; AEROMONAS; ENTEROBACTER
- Publication
Journal of Food Science (Wiley-Blackwell), 2003, Vol 68, Issue 5, p1771
- ISSN
0022-1147
- Publication type
Article
- DOI
10.1111/j.1365-2621.2003.tb12327.x