Abstract
ABSTRACTToxin production in shucked scallops by a mixture of 10 strains of Clostridium botulinum (types A, B, E, F) was studied using mouse bioassay. Scallops, with or without 0.1% potassium sorbate, were packaged in air‐permeable film or vacuum packaged in impermeable film. Two trials were done in which packages were inoculated with different spore levels and held at 4°, 10° and 27°C. Bacterial counts were made on various selective media. Only type A toxin was observed and this only in evacuated packages held at 27°C. Toxin developed more rapidly in the presence of sorbate. All packages in which toxin was recorded had offensive odors and were visibly spoiled. The potential hazard from botulism is discussed.
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