68109

Nickels und Leesment ChromoSelect-Medium

NutriSelect^® Plus, powder, for Lactococcus spp., for Leuconostoc spp., pack of 500 g, suitable for microbiology

• Synonym(e): Medium nach Nickels und Leesment + X-gal
• NACRES: NA.85
• UNSPSC Code: 41171606
• Manufacturer/tradename: NutriSelect^® Plus
• Form: powder
• Suitability: Lactococcus spp., Leuconostoc spp.
• Application(s): bioburden testing; environmental; food and beverages, microbiology

Eigenschaften

• sterility: non-sterile
• Quality Segment: 200
• form: powder
• shelf life: 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
• packaging: pack of 500 g
• manufacturer/tradename: NutriSelect^® Plus
• final pH: 6.65±0.05 (25 °C)
• application(s): bioburden testing; environmental; food and beverages, microbiology
• storage temp.: 2-8°C
• suitability: Lactococcus spp., Leuconostoc spp.

Beschreibung

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.

Preparation Note

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).

Other Notes

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.

Legal Information

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

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

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• flash_point_f: Not applicable
• flash_point_c: Not applicable