1.03853
GranuCult® prime Salmonella Shigella (SS) Agar
ISO 6579
Synonym(e):
SS Agar
Anmeldenzur Ansicht organisationsspezifischer und vertraglich vereinbarter Preise
Alle Fotos(2)
About This Item
UNSPSC-Code:
41106213
NACRES:
NA.74
Empfohlene Produkte
Agentur
ISO 6579
Qualitätsniveau
Form
powder
Methode(n)
microbiological culture: suitable
pH-Wert
7.0±0.2 (25 °C)
Anwendung(en)
food and beverages
pharmaceutical
Lagertemp.
15-25°C
Eignung
selective and differential for Salmonella Shigella
Verwandte Kategorien
Allgemeine Beschreibung
GranuCult® prime Salmonella Shigella (SS) Agar is a nutrient rich medium which is designed to isolate and differentiate Salmonella spp. from food, animal feed, water, and other test samples.
The presence of brilliant green, ox bile, high concentrations of thiosulfate and citrate largely inhibits the accompanying flora and swarming of Proteus spp, while allowing the growth of Salmonella spp. The synergistic reaction between thiosulfate and iron salt present in the media enables the growth of H2S positive black color colonies.
Lactose present in the media differentiates between the lactose positive and lactose negative microorganisms. Lactose fermenting microbes form an acid which is indicated by forming red colonies due to the presence of a pH indicator, neutral red. Peptones provide nitrogen, vitamins, amino acids, and minerals for growth and agar acts as a solidifying agent.
The presence of brilliant green, ox bile, high concentrations of thiosulfate and citrate largely inhibits the accompanying flora and swarming of Proteus spp, while allowing the growth of Salmonella spp. The synergistic reaction between thiosulfate and iron salt present in the media enables the growth of H2S positive black color colonies.
Lactose present in the media differentiates between the lactose positive and lactose negative microorganisms. Lactose fermenting microbes form an acid which is indicated by forming red colonies due to the presence of a pH indicator, neutral red. Peptones provide nitrogen, vitamins, amino acids, and minerals for growth and agar acts as a solidifying agent.
Anwendung
GranuCult® prime Salmonella Shigella (SS) Agar is used to isolate and differentiate Salmonella spp. and Shigella spp from food, animal feed, water, and other test samples.
Hinweis zur Analyse
- Salmonella
- spp. produce translucent colonies with or without black center and yellowish-brown colored medium or may appear as almost black colonies due to H2S production.
- Shigella spp. produce translucent colonies without black center and yellowish-brown colored medium.
Fußnote
We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
Rechtliche Hinweise
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
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