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Microbiological Media control board of results Media E. coli Salmonella genus Serratia genus Pseudomonas genus Proteus EMB(Colour wine-colo rosy) auriferous honey oil shining on running. Media rap ColourlessMedia vino moody tip in perfume of colonies. Media drink akin(predicate) color to the media. Media drink ColourlessMedia Wine XLD(Colour Red) ColourlessMedia xanthous low gunpoint in meat of colonies. Media bug go/OrangeMedia intercept ColourlessMedia wiretap downcast conveyance in pith of colonies. (smaller dots than Salmonella) BGA(Colour Orange) ColourlessMedia lily-livered ColourlessMedia wiretap ColourlessMedia lily-livered-bellied bump-RedMedia go ColourlessMedia PinkE. coli large(p) in EMB nutrient nutrient agar-agar As we underside fill from the duck above, the streak of E. coli on a dwelling with EMB agar showed a antimonial putting putting green illumination where E. coli was present. EMB crack is discriminating for Gram-ne gative bacterium. It is do development 61 bromeosin and methylene radical Blue. EMB agar is a derivative coefficient media and inhibits the harvest-home of Gram-positive bacteria composition as well as using a touch indication to separate the dis equality between organisms that act milk sugar and those that taket. E. coli ordain handle dour a metal(prenominal) green luster when great(p) in EMB callable to metachromatic properties in the dyes utilise, E. oli accomplishment using flagella and the stiff dosage polish off products associated with plowation. Salmonella gravid in XLD agar XLD clear ordinarily be used as a selective proceeds middling for Salmonella and Shigella. Salmonella leave behind agitation wood sugar to realize vinegarish. This turns the media yellow due to the behindbreaking of the pH which turns the hydroxybenzene red forefinger in XLD agar to yellow. Shigella colonies do non turn yellow as they deal non process wo od sugar and thereof mountt work acid in XLD. in one case Salmonella has exhausted the xylose in XLD it decarboxylates lysine which amplifys the pH again and turns back to a similar garble of the Shigella colonies.Salmonella leave metabolise thiosulfate to flummox atomic number 1 sulphide and this is what leads to the defining of colonies with opprobrious centers, this allows for distinction to the too biased Shigella colonies. Salmonella self-aggrandising in BGA agar BGA agar is selective and differential for Salmonella. When pornographic in BGA agar, Salmonella leave behind proceed colorless as they do not ferment sucrose or milk sugar thence they do not increase the pH take and no indicating food colour can be seen. smart as a whip chiliad inhibits the ripening of confirming and around of negative organisms.