Liha töötlemine
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
organism is by anaerobic cultivation of food exist, such as S. pullorum and S. gallinarum.
using differential anaerobic agar, such as The organism is heat sensitive but can toler-
tryptose sulfite cycloserine agar. C. perfrin- ate a variety of chemicals, such as brilliant
gens forms black colonies in this agar green, sodium lauryl sulfite, selenite, and
medium. Immunologic methods such as tetrathionate. These compounds have been
annaabi.ee 
