Coliscan easygel color guide.pdf - 2 3 1 2 1 3 1 Coliscan...

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®© 2015 Micrology Laboratories, LLC© 2015 Micrology Laboratories, LLC®3132211ColiscanColony Color Guide: 1 - E. coli(dark blue/purple)3 - Teal/Green colonies GuideTargetorganisms: E. coliand other coliformsEasygel2 - Other Coliforms (pink/red)
Phone: 888-EASYGELFax: 574-533-3370Web: Email: [email protected]Selective For:E. coliand other coliformsDescription:Coliscan is a clear medium containing two chromogenicsubstrates. One iscleaved by the enzyme galactosidase(produced almost exclusively bycoliforms) to produce aninsoluble pink compound. This causes coliform coloniesto be pink/red. The second is cleaved by the enzymeglucuronidase (produced almost exclusively by E. coli)to produce an insoluble teal compound. Using the twocompounds allows easy visual distinction betweengeneral coliforms (pink/red colonies) and E. coli (pink +teal = blue/purple colonies).Composition:Contains nutrients, inhibitors and chromogenic substratemix. pH 7.3 ± 0.2Procedure:Use standard methodology for product being tested.Incubation time and temperature;
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Enterobacteriaceae

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