Affiliation:
1. Food Microbiology Research Laboratories, Department of Horticulture, University of Missouri, Columbia, Missouri
Abstract
Samples of sugar, starch, spices, and miscellaneous products were tested for thermophilic sporeformers of
Bacillus
to determine the dominant species present. Surface colonies selected at random were identified. Six species of
Bacillus
were isolated:
B. stearothermophilus, B. coagulans, B. licheniformis, B. subtilis, B. circulans
, and
B. pumilus
. Samples of starch and pepper were tested for thermophilic sporeformers of
Bacillus
to determine the distribution of rough and smooth variants. Colonies were classified as rough or smooth variants by colonial characteristics. The distribution of variant forms in these two products was significantly different. Starch samples showed predominantly rough variants; pepper samples showed predominantly smooth variants.
Publisher
American Society for Microbiology
Subject
General Pharmacology, Toxicology and Pharmaceutics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine
Cited by
1 articles.
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