Liha töötlemine
tices. Fecal and other waste materials from onine or cysteine and thiamine. One impor-
humans and animals should be decontami- tant aspect of this organism is that it can
nated and not allowed to be in contact with grow in refrigerated vacuum-packaged meat
water and food supplies. because it is a facultative anaerobe and is a
496 Chapter 28
psychrotroph. After ingestion of large The organism grows on simple laboratory
numbers of this organism, the susceptible media in the pH range between 5 and 9. On
person can develop fever, abdominal pain, solid agar, the colonies are translucent, dew-
and diarrhea, with nausea and vomiting drop-like, and bluish when viewed by 45°
occurring less frequently. More serious intes- incident transmitted light (Henry’s illumina-