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| Pseudomonas fluorescens and other Pseudomonas species produces pyoverdin, which fluoresces in ultraviolet light when grown on Kings B agar. This pigment is watersoluble and diffuses into the agar around the colonies. |
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Acinetobacter produces no pigments.
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| This medium is used for detection and isolation of fluorescent bacteria, particularly Pseudomonas fluorescens, but may also be used to demonstrate pigmentation of other bacteria. |
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