| Designed for the testing of human, food or environmental samples, BBL™ CHROMagar™ O157 can differentiate E. coli O157 from other E. coli strains. A chromogenic reaction creates mauve-colored colonies of E. coli O157. Other E. coli strains will either be inhibited or grow as blue to blue-green colonies. Also, unlike MacConkey-based media, BBL™ CHROMagar™ O157 detects sorbitol-negative and positive strains - with fewer false positives than the MacConkey-based media.1 With fewer false positives, other costs can be reduced as well with BBL™ CHROMagar™ O157, such as latex agglutination, subculturing and biochemical identification. Confirmatory tests are necessary for definitive identification.
With BBL™ CHROMagar™ O157 the lab technologist may save 24 to 48 hours in obtaining final results as compared to conventional MacConkey-based media.1 In addition, most Proteus, Pseudomonas and Aeromonas strains are inhibited by this medium. BBL™ CHROMagar™ O157 is also compatible with latex reagent test kits.
BBL™ CHROMagar™ O157 is the latest addition to the BBL™ CHROMagar™ media line, which already includes BBL™ CHROMagar™ Orientation, BBL™ CHROMagar™ Candida, BBL™ CHROMagar™ Salmonella and BBL™ CHROMagar™ Staph aureus.
For more information on BBL™ CHROMagar™ O157, please call 1-800-638-8663, or contact your BD Diagnostic Systems representative.
1 Data on file, BD Diagnostic Systems.
All trademarks are the property of Becton, Dickinson and Company, except CHROMagar, which is a trademark of Dr. A. Rambach. © 2003 BD.
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