The results determined by PMA real-time PCR assay also showed a decreasing trend along with the decline of viable Salmonella during storage; however, it should be noted that the values determined by PMA real-time PCR assay were obviously lower than those obtained with plating, which was confirmed by a difference of almost 1.8 log 10 CFU/mL between the two assays.
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Detection of viable Salmonella in ice cream by TaqMan real-time polymerase chain reaction assay combining propidium monoazide.
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