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Abstract
ABSTRACTIron Milk Medium (IMM), Tryptose Sulfite Cycloserine (TSC) and Shadihi‐Ferguson‐perfringens (SFP) agar were compared for enumeration of Clostridium perfringens in four typical foods. The overall recovery in 160 samples tested at two inoculum range levels (102–103 and 104−105 per mL of sample homogenate) indicated that any of the three media could be used for most routine analyses. There were no significant differences in recovery abilities of the three media used for clams, oysters and turkey meats. In 15 naturally contaminated samples, recoveries of C. perfringens were not different in IMM compared to TSC. Therefore, the iron milk medium which is inexpensive, rapid and simple to prepare can be used as an alternative method for routine analyses for C. perfringens in foods such as shellfish and lean meats.
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