Affiliation:
1. Department of Food Science and Technology, Oregon State University, Corvallis, Oregon
Abstract
The microorganisms in Dungeness crabmeat (
Cancer magister
) and Pacific oysters (
Crassostrea gigas
) were identified by the replica-plating and computer analysis method. The initial flora of the shellfish and the flora change during storage at 7 C were determined. The microbial flora shifts in both shellfish were also determined after irradiation at 0.1 and 0.4 Mrad and during subsequent storage at 7 C. The
Achromobacter
species predominated in the initial flora of crabmeat (77.0%). The predominant position of this group increased to 99.2% after 0.1 Mrad and 100% after 0.4 Mrad. A large percentage of
Lactobacillus
was detected in oysters (55.0%). The
Lactobacillus
species were the predominant survivors after 0.1 Mrad (92.4%) but the predominant survivors after 0.4 Mrad were
Achromobacter
species (99.3%).
Publisher
American Society for Microbiology
Subject
General Pharmacology, Toxicology and Pharmaceutics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine
Cited by
5 articles.
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