68109

Nickels and Leesment ChromoSelect Medium

NutriSelect^® Plus, suitable for microbiology

• Synonyme(s) : Nickels and Leesment Medium + X-gal
• Code UNSPSC : 41171606
• Nomenclature NACRES : NA.85

Propriétés

• Stérilité: non-sterile
• Niveau de qualité: 200
• Forme: powder
• Durée de conservation: limited shelf life, expiry date on the label
• Composition: 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
• Fabricant/nom de marque: NutriSelect^® Plus
• pH final: 6.65±0.05 (25 °C)
• Application(s): bioburden testing; environmental; food and beverages; microbiology
• Température de stockage: 2-8°C
• Adéquation: Lactococcus spp.; Leuconostoc spp.

Description

Application

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

Notes préparatoires

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).

Note de bas de page

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.

Informations légales

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

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

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable