"peritrichous" - 1 õppematerjal

Liha töötlemine

In 2002, there were ing. It is noteworthy that C. perfringens does 357 outbreaks, with 32,610 cases and 13 not sporulate in foods, and therefore, the CPE deaths due to Salmonella reported in the is not preformed in food to cause food-poi- United States. The organism is a Gram- soning cases. negative, facultative anaerobic, non-spore- Symptoms occur between 8 and 20 hours forming rod, motile by peritrichous flagella. after ingestion of a large number of viable C. It does not ferment lactose and sucrose but perfringens and include acute abdominal ferments dulcitol, mannitol, and glucose. pain, diarrhea, and nausea, with rare vomit- There are exceptions to the general charac- ing. The symptoms are milder than those teristics. For example, lactose-positive cul- caused by Salmonella. Detection of this tures have been found, and nonmotile species