Iron Sulphite Agar (Dehydrated)

Detect thermophilic anaerobic organisms causing sulphide spoilage in food with Thermo Scientific™ Oxoid™ Iron Sulphite Agar (Dehydrated). The medium is a modification of Cameron Sulphite Agar developed by the National Canners Association of America¹. Iron Sulphite Agar has a reduced concentration of sodium sulphite to allow improved detection of some strains of Clostridium sporogenes.

Tryptone in the medium provides nitrogen and other nutrients necessary to support bacterial growth. The presence of sulphite reducing bacteria is indicated by the formation of black colonies. These colonies form when bacteria reduce sulphite to sulphide, which reacts with iron (III) citrate to yield a black precipitate.

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Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.