Affiliation:
1. Department of Food Science and Technology, University of California, Davis, California 95616
Abstract
Four of 48 raw milk samples contained catalase-negative, gram-positive, motile, sporeforming, rod-shaped bacteria that grew optimally at 22 to 30 C and slowly at low temperatures. Isolates from two samples had a minimal growth temperature of 4 C, were anaerobic, and had characteristics similar to
Clostridium hastiforme
; those from the other two samples had a minimal growth temperature of 0 � 1 C, were anaerobic, aerotolerant, and had characteristics similar to
C. carnis
. Specific growth rates, doubling times, ability to grow in pasteurized milk stored in commercial cartons, and resistance of spores to heating were determined for one strain of
C. hastiforme
.
Publisher
American Society for Microbiology
Subject
General Pharmacology, Toxicology and Pharmaceutics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine
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