Master's Theses

Department

Biology

Degree Name

Master of Science (MS)

Abstract

The viability of ten strains of anaerobic bacteria following freeze-drying in single strength skim milk, double strength skim milk, and sucrose broth was assessed over a period of one year. The eight genera included in the study were: Clostridium, Propionibacterium, Bifidobacterium, Eubacterium. Bacteroides, Fusobacterium, Peptococcus, and Peptostreptococcus. The following conclusions were drawn: 1) spore formers appeared to maintain higher viability counts than did non-spore formers: 2) viability counts were marginally dependent on the aerotolerance of the anaerobe: 3) gram-positive organisms apparently maintained higher counts than gram-negative organisms; and 4) sucrose broth maintained higher viability counts than either skim milk media.

Keywords

Biology

Advisor

Judith C. Vogt

Date of Award

Spring 1982

Document Type

Thesis - campus only access

Rights

© The Author(s)

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