Iron Sulphite Agar 500g

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.

Iron Sulphite Agar, Oxoid Composition

Iron Sulphite Agar, Oxoid Preparation:
Suspend 23.0g in 1 litre of distilled water and boil to dissolve completely. Sterilise by autoclaving for 15 minutes at 121°C. Mix well before pouring.

Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium below 25°C.

Precautions
The blackening reaction is only presumptive evidence of clostridial growth. Confirmation tests must be carried out to identify the organism growing in the medium.