Plate count agar (PCA) is used to determine bacterial count in a food product by counting bacterial colonies.
Plate count agar (PCA) would be used in the Bacterial Count of a Food Product experiment. PCA is a general purpose medium commonly used in microbiology for the enumeration of bacteria in a food sample. By plating serial dilutions of the food sample on PCA, bacterial colonies can be counted to determine the amount of bacteria present in the original sample.
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