Effect of Packaging on the Major Microbial Flora of Irradiated Haddock

Sinskey, T. J.; Pablo, I. S.; Silverman, G. J.; Ronsivalli, L.J.

doi:10.1038/213425a0

Nature

1967

DOI: 10.1038/213425a0

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Effect of Packaging on the Major Microbial Flora of Irradiated Haddock

T. J. Sinskey

I. S. Pablo

G. J. Silverman

et al.

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1977

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Variations in the microbial log reduction curves of irradiated cod fillets, shrimp, and their respective homogenates

Green¹,

Kaylor²

1977

Appl Environ Microbiol

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When cod (Gadus morhua morhua) and headless white shrimp (Penaeus setiferus) were gamma irradiated with a series of low-ionizing radiation doses, a "shoulder(s)" was observed in the graph (log microbial counts versus dose) in the approximate range of 25 to 75 krads. When the microbiological survivors were differentiated into total counts, proteolytic and pseudomonad-type bacteria, it was observed that the pseudomonad-type bacteria were rapidly destroyed by 25 krads and that proteolytic bacteria were destroyed at a faster rate than the rest of the microorganisms. When cod fillets and shrimp were compared with their respective homogenates and irradiated at doses of 0, 10, 20, 30, 40, 50, 60, 80, 100, 150, 200, and 300 krads, the homogenates did not exhibit the characteristic shoulders. A further experiment was designed to test surface versus uniform dispersion of microorganisms on/in gelatin disks subjected to low doses of irradiation. Differences were found that may explain the observed differences between solid food materials such as fish fillets and shrimp and their homogenates.

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Variations in the microbial log reduction curves of irradiated cod fillets, shrimp, and their respective homogenates

Green¹,

Kaylor²

1977

Appl Environ Microbiol

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show abstract

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Effect of Packaging on the Major Microbial Flora of Irradiated Haddock

Cited by 1 publication

References 7 publications

Variations in the microbial log reduction curves of irradiated cod fillets, shrimp, and their respective homogenates

Variations in the microbial log reduction curves of irradiated cod fillets, shrimp, and their respective homogenates

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