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Thermo Scientific™ Oxoid™ SS Agar Modified

Selectively isolate, differentiate Shigella and Salmonella species from pathological specimens and suspected foodstuffs with this medium.

Brand:  Thermo Scientific™ CM0533B

938.27 DKK valid until 2025-12-31
Use promo code "25339" to get your promotional price.

Product Code. 10528643

  • 967.00 DKK / 500g

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Description

Description

Selectively isolate, differentiate Shigella and Salmonella species from pathological specimens and suspected foodstuffs with Thermo Scientific™ Oxoid™ SS Agar Modified (Dehydrated). SS Agar Modified is designed to overcome the difficulties faced by SS agar. The improved formulation includes an alteration to the bile salt mixture, peptone, and pH value, improving its performance in the growth of shigellae and improved colony size for salmonellae with improved blackening at the center.

Salmonella and Shigella are major causes of bacterial enteric illness with transmission occurring via the fecal-oral route, person-to-person contact, or by the ingestion of contaminated food or water. SS Agar Modified is ideal for screening samples containing mixed flora and suspected of harboring enteric pathogens, e.g., medical specimens or food products.

  • Easy-to-read: shigellae form transparent colonies while salmonellae form transparent colonies with black centers
  • Selective: selective inhibitory components brilliant green, bile salts, thiosulphate, and citrate inhibit Gram-positive organisms and non-target coliforms.

Although widely used, SS Agar has been criticized because of excessive inhibition of Shigella species.

Investigation has shown that modification to the formulation by alterations to the bile salt mixture, peptone and pH value considerably improve its performance in the growth of shigellae without too much increased growth of commensal organisms.

Salmonella colonies are also larger with improved blackening at the center. The change in formulation has reduced the number of g/L from 63g to 57g.

Not all products are available for sale in all territories. Please inquire.

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

TRUSTED_SUSTAINABILITY
Specifications

Specifications

SS Agar Modified
Agar
For 8.8L medium
Powder
500 g
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Lot Number Certificate Type Date Catalog Number
Lot Number6262816 Certificate TypeCertificate of Analysis Date14/06/2025 Catalog Number
Lot Number6233008 Certificate TypeCertificate of Analysis Date20/03/2025 Catalog NumberCM0533B
Lot Number6210052 Certificate TypeCertificate of Analysis Date30/01/2025 Catalog NumberCM0533B
Lot Number6195054 Certificate TypeCertificate of Analysis Date11/12/2024 Catalog NumberCM0533B
Lot Number6151249 Certificate TypeCertificate of Analysis Date20/09/2024 Catalog NumberCM0533B
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