Thermo Scientific™ Sorbitol MacConkey Agar (Dehydrated)

Description

• Selectively detect Escherichia coli O157 with Thermo Scientific™ Oxoid™ Sorbitol MacConkey Agar (Dehydrated)
• The formulation, based on that described by Rappaport and Henig 1 is identical to MacConkey Agar No.3, except that lactose has been replaced with sorbitol
• Escherichia coli O157 does not ferment sorbitol and, therefore, produces colorless colonies
• In contrast, most E
• coli strains ferment sorbitol and form pink colonies
• Escherichia coli O157 is recognized as a cause of hemorrhagic colitis, an illness characterized by bloody diarrhea and severe abdominal pain, and hemolytic uraemic syndrome (HUS) 2, 3, 4, 5,6 , and as such, is a significant human pathogen
• Sorbitol MacConkey Agar is recommended for the isolation of pathogenic E.coli O157
• Sensitive and specific for coli O157 based on sorbitol fermentation
• Recommended as a simple, inexpensive, rapid and reliable means of screening for E.coli O157 The efficiency of Sorbitol MacConkey Agar has been confirmed by March and Ratnam 7
• These workers reported a sensitivity of 100% and a specificity of 85% and recommended the medium as a simple, inexpensive, rapid and reliable means of screening for E
• coli O157
• Not all products are available for sale in all territories
• Please inquire
• Remel™ and Oxoid™ products are now part of the Thermo Scientific brand