Oxidation-Fermentation (OF) Test: Introduction, Composition of the medium, Test Requirements, Principle, Procedure, Result -Interpretation, and Limitations

Fermentation Test Positive and Negative Results of Bacteria

Oxidation-Fermentation (OF) Test Introduction Hugh and Leifson developed an Oxidation-Fermentation (OF) basal medium in 1953. It is a recommended medium for the detection of oxidation or fermentation of carbohydrates by bacteria. This basal medium is useful to aid in the identification of gram-negative bacteria on …

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Hafnia alvei: Introduction, and Properties

Hafnia alvei (white mucoid) colony on Muller-Hinton Agar (MHA)

Introduction of Hafnia alvei Hafnia alvei is a members of the Enterobacteriaceae and it is inhabited in our gastrointestinal tract and also in many animal species as part of the normal microflora. It is a Gram negative rod, non capsulated and non-sporing bacterium motile with …

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