Sano-Gam Media recovery of Gram+ and Gram- cold shocked bacteria

Sano-Gam Media recovery of Gram+ and Gram- cold shocked bacteria

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The present research was conducted to study the role of trace elements, catalase and pyruvate on recovery of cold-shocked bacteria either separately and/or in combinations, selection of bacteria incriminated in frozen food contamination and design of a proper medium that recover almost all injured cells. The bacteria studied included Escherichia coli, Salmonella spp. Staphylococcus aureus and Klebsiella pneumoniae. The temperature used for shocking bacteria was -20 C for one hour. Trace elements gave excellent results in recovery of injured bacteria. But copper gave a satisfactory results in e...