68109
Nickels and Leesment ChromoSelect Medium
NutriSelect® Plus, powder, for Lactococcus spp., for Leuconostoc spp., pack of 500 g, suitable for microbiology
别名:
Nickels and Leesment Medium + X-gal
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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
environmental
food and beverages, microbiology
sterility
non-sterile
form
powder
Quality Level
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.
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).
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.
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
存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
动植物来源培养基
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