Nickels and Leesment ChromoSelect Medium

NA.85

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

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℃) for 15 minutes. If desired, add rehydrated contents of 2 vials of Nickels and Leesment ChromoSelect Selective Supplement (Cat. No. 40952).

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.

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

200

non-sterile

powder

limited shelf life, expiry date on the label

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

NutriSelect^® Plus

6.65±0.05 (25 ℃)

bioburden testing
environmental
food and beverages
microbiology

2-8℃

Lactococcus spp.
Leuconostoc spp.

11 - Combustible Solids

WGK 3