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- Title
Effect of UV-C light on the microbial and sensory quality of seasoned dried seafood.
- Authors
Lee, Eun-Seon; Park, Shin Young; Ha, Sang-Do
- Abstract
This study investigated the effects of different doses of UV-C light at 253.7 nm (0–18 kJ/m2) on the reduction of Escherichia coli, Staphylococcus aureus and Bacillus cereus in contaminated seasoned dried filefish (Thamnaconus modestus) and sliced squid (Todarodes pacificus) surfaces and sensory quality. The counts of all three bacteria were significantly (P < 0.05) reduced by the increase of UV-C dosage. E. coli, S. aureus and B. cereus on filefish with 18 kJ/m2 of UV-C maximally reduced by 2.70, 2.55 and 2.57 log CFU/g, respectively; however, on the sliced squid using the same UV dose reduced the same bacteria by 1.35, 0.54 and 1.05 log CFU/g, respectively. However, the results suggest that 6 to 9 kJ/m2 of UV-C could be used for the inactivation of E. coli and B. cereus in these dried fishery products without any changes in sensory quality. However, S. aureus levels on sliced squid will require a combination of UV-C light and chemical treatment.
- Subjects
DRIED seafood; EFFECT of radiation on seafood; EFFECT of ultraviolet radiation on bacteria; BALISTIDAE; SEAFOOD microbiology; RADIATION doses; TASTE testing of food
- Publication
Food Science & Technology International, 2016, Vol 22, Issue 3, p213
- ISSN
1082-0132
- Publication type
Article
- DOI
10.1177/1082013215586293