Isolates true pathogens/overt pathogens. They inhibit gram (+) organisms and other organisms other than true enteric pathogens. Only allows growth of Shigella, Yersinia, and Salmonella.
Contains lactose and sucrose, differentiates lactose fermenters from non-lactose fermenters, slightly selective for isolation of gram (-) intestinal bacteria, contains eosin y and methylene blue as pH indicators
Differential, slightly selective medium for gram (-) intestinal bacteria, differentiates lactose fermenters from non-lactose fermenters, contains lactose, bilesalts and crystalviolet as inhibitors
Primarily for Salmonella, moderately selective medium, contains lactose, neutral red as pH indicator, ferric ammonium citrate and sodium thiosulfate as H2S indicators, sodium citrate, brilliant green and bile salts as inhibitors
Moderately selective medium, contains lactose, sucrose and salicin as sugars, acid fuchsin and bromthymol blue as pH indicators, ferric ammonium citrate and sodium thiosulfate as H2S indicators, bile salts as inhibitor
Suitable for Shigella, contains lactose, sucrose and xylose as sugars, phenolred as pH indicator, sodium thiosulfate and ferric ammonium citrate as H2S indicators, sodiumdeoxycholate as inhibitor, lysine for detecting Salmonella reaction