68109

Nickels and Leesment ChromoSelect Medium

NutriSelect^® Plus, suitable for microbiology

• Sinônimo(s): Nickels and Leesment Medium + X-gal
• Código UNSPSC: 41171606
• NACRES: NA.85

Propriedades

• esterilidade: non-sterile
• Nível de qualidade: 200
• Formulário: powder
• prazo de validade: limited shelf life, expiry date on the label
• composição: agar, 15.0 g/L ; calcium lactate pentahydrate, 8.0 g/L ; carboxymethyl cellulose (CMC), 0.40 g/L ; casein enzymic hdrolysate, 18.0 g/L ; chromogenic substrate (X-gal), 0.20 g/L ; gelatine, 2.25 g/L ; glucose, 4.5 g/L ; lactose, 4.5 g/L ; sodium chloride, 3.6 g/L ; tricalcium dicitrate tetrahydrate, 6.65 g/L ; trisodium citrate dihydrate, 1.8 g/L ; yeast extract, 4.5 g/L
• fabricante/nome comercial: NutriSelect^® Plus
• pH final: 6.65±0.05 (25 °C)
• aplicação(ões): bioburden testing; environmental; food and beverages; microbiology
• temperatura de armazenamento: 2-8°C
• adequação: Lactococcus spp.; Leuconostoc spp.

Descrição

Aplicação

Nickels and Leesment ChromoSelect Medium is used for the enumeration of citrate-fermenting lactic acid bacteria from milk, milk products and mesophilic starter cultures.

Nota de preparo

Supplement:
2 vl/L of Nickels and Leesment ChromoSelect Selective Supplement (Cat. No. 40952).

Suspend 66.0 grams of dehydrated medium in 1000 ml distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes. If desired, add rehydrated contents of 2 vials of Nickels and Leesment ChromoSelect Selective Supplement (Cat. No. 40952).

Nota de rodapé

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.

Informações legais

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Informações de segurança

• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable