1.07004

Millipore

Oxford Agar (Base)

acc. FDA-BAM and ref. to ISO 11290 GranuCult

Synonym(s):
Listeria selective agar
Pricing and availability is not currently available.

storage conditions

Store at +15°C to +25°C.

Quality Level

form

medium granules (dehydrated (DCM))

mfr. no.

GRANUCULT®

application(s)

microbiological culture: suitable
microbiology: suitable

pH

6.9-7.1 (35 °C, 58.5 g/L in H2O, after autoclaving)

solubility

58.5 g/L

bulk density

810 kg/m3

Featured Industry

Food and Beverages

suitability

Listeria spp.

Analysis Note

Base tested with Oxford-Listeria-selektiv-supplement art. no. 1.07006.
Appearance (clearness): clear
Appearance (color): blueish-brown to greenish-brown
pH-value (25 °C): 6.8 - 7.2
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Listeria monocytogenes ATCC 35152 (WDCM 00109)):
Inoculum on reference medium (Listeria monocytogenes ATCC 13932 (WDCM 00021)):
Inoculum on reference medium (Listeria innocua ATCC 33090 (WDCM 00017)):
Colony count (Listeria monocytogenes ATCC 35152 (WDCM 00109)):
Colony count (Listeria monocytogenes ATCC 13932 (WDCM 00021)):
Colony count (Listeria innocua ATCC 33090 (WDCM 00017)):
Recovery on test medium (Listeria monocytogenes ATCC 35152 (WDCM 00109)): ≥ 50
Recovery on test medium (Listeria monocytogenes ATCC 13932 (WDCM 00021)): ≥ 50
Recovery on test medium (Listeria innocua ATCC 33090 (WDCM 00017)): ≥ 50
Growth Escherichia coliATCC 25922 (WDCM 00013): total inhibition
Growth(Escherichia coli ATCC 8739 (WDCM 00012)): total inhibition
Growth (Staphylococcus aureus ATCC 25923 (WDCM 00034)): partial inhibition
Growth (Candida albicans ATCC 10231 (WDCM 00054)): partial inhibition
Black zone (Listeria monocytogenes ATCC 35152 (WDCM 00109)): black zone
Black zone (Listeria monocytogenes ATCC 13932 (WDCM 00021)): black zone
Black zone (Listeria innocua ATCC 33090 (WDCM 00017)): black zone
Incubation: up to 48 hours at 35 ± 1 °C, aerobic
A recovery rate of 50 % is equivalent to a productivity value of 0.5.
The indicated colony counts result from the sum of a triple determination.
Reference media: Tryptic Soy Agar

Legal Information

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

Risk Statement

36/38

Articles
Detection of Listeria monocytogenes in food and environmental samples according to ISO 11290-1, FDA-BAM and USDA-FSIS
Read More
Protocols
In recent years it has been recognized that Listeria is an important public health problem. The disease affects primarily people of advanced age, pregnant women, newborns, and adults with weakened immune systems.
Read More

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service

Social Media

LinkedIn icon
Twitter icon
Facebook Icon
Instagram Icon

MilliporeSigma

Research. Development. Production.

We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.

© 2021 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved.

Reproduction of any materials from the site is strictly forbidden without permission.