Skip to Content
Merck
All Photos(2)

Documents

69964

Millipore

MRS Agar

suitable for microbiology, NutriSelect® Basic

Synonym(s):

Lactobacillus Agar according to DeMan, Rogosa and Sharpe

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

UNSPSC Code:
41171605
NACRES:
NA.74

sterility

non-sterile

Quality Level

100

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 12 g/L
dipotassium hydrogen phosphate, 2 g/L
D(+)-glucose, 20 g/L
magnesium sulfate (equivalent to 0.2 g/lheptahydrate), 0.1 g/L
manganous sulfate monhydrate, 0.05 g/L
meat extract, 5 g/L
sodium acetate, 5 g/L
triammonium citrate, 2 g/L
universal peptone, 10 g/L
yeast extract, 5 g/L

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbiological culture: suitable

final pH

6.5±0.2 (25 °C)

application(s)

agriculture
bioburden testing
environmental
food and beverages
microbiology

suitability

nonselective for Lactobacillus spp.
selective by low pH for Bifidobacterium spp.

Related Categories

Application

For the enrichment, cultivation and isolation of all species of Lactobacillus from all types of material

Preparation Note

Suspend 61.15 g in 1000 ml distilled water containing 1 ml polysorbate 80 (TWEEN® 80; Sigma P8074). Boil to dissolve the medium completely and mix thoroughly. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes. If necessary adjust the pH with glacial acetic acid after sterilization.

Footnote

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
TWEEN is a registered trademark of Croda International PLC

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCL5186
BCCL4437
BCCL9275
BCCK2736
BCCK1677

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Hanan R Shehata et al.
Frontiers in microbiology, 11, 1095-1095 (2020-06-26)
Probiotics are defined as "live microorganisms that, when administered in adequate amounts, confer a health benefit on the host." The diverse health benefits have contributed to rapid increase in probiotic consumption and in the value of probiotic market, valued at
Rupal Mistry et al.
Genetics, 206(2), 889-904 (2017-04-18)
Resident gut bacteria are constantly influencing the immune system, yet the role of the immune system in shaping microbiota composition during an organism's life span has remained unclear. Experiments in mice have been inconclusive due to differences in husbandry schemes
Eleftheria Barouni et al.
Food chemistry, 200, 76-82 (2016-02-03)
The object of the current study was to develop a new process for continuous Feta-type cheese production using a biocatalyst consisting of immobilized rennin on a tubular cellulose/starch gel (TC/SG) composite, which has been proven to be an appropriate carrier
J.D. DeMan et al.
The Journal of Applied Bacteriology, 23, 130-130 (1960)
Marie-Paule Nawrot-Esposito et al.
Insects, 11(10) (2020-10-18)
Bioinsecticides made from the bacterium Bacillus thuringiensis (Bt) are the bestselling bioinsecticide worldwide. Among Bt bioinsecticides, those based on the strain Bt subsp. kurstaki (Btk) are widely used in farming to specifically control pest lepidopteran larvae. Although there is much

Articles

Culture Method for Beer Quality Control

Traditional methods are based morphology, staining methods, enzyme reactions (metabolism) and diverse media.

Microbiological Media & Detection

Cost-effective molecular biology method for lactobacilli detection is presented as an alternative to PCR-based methods.

Microbiological Media & Detection

Cost-effective molecular biology method for lactobacilli detection is presented as an alternative to PCR-based methods.

Microbiological Media & Detection

Cost-effective molecular biology method for lactobacilli detection is presented as an alternative to PCR-based methods.

See All

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