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63016

Millipore

M-17 Agar

suitable for microbiology, NutriSelect® Basic

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About This Item

Code UNSPSC :
41171605
Nomenclature NACRES :
NA.74

Stérilité

non-sterile

Niveau de qualité

100

Forme

powder

Durée de conservation

limited shelf life, expiry date on the label

Composition

agar, 12.75 g/L
ascorbic acid, 0.5 g/L
casein peptone (tryptic), 2.5 g/L
disodium β-glycerophosphate pentahydrate, 19 g/L
magnesium sulfate hydrate, 0.25 g/L
meat extract, 5 g/L
meat peptone (peptic), 2.5 g/L
soyapeptone (papainic), 5 g/L
yeast extract, 2.5 g/L

Fabricant/nom de marque

NutriSelect® Basic

Technique(s)

microbiological culture: suitable

pH final

7.1±0.2 (25 °C)

Application(s)

agriculture
environmental
food and beverages
microbiology

Adéquation

nonselective for Lactococcus spp.
nonselective for Streptococcus spp.

Application

M-17 Agar media is proposed for the cultivation, detection and enumeration of Iactic streptococci in milk and dairy products. The M-17 media are superior to other comparable culture media for the cultivation of the fastidious species Streptococcus cremoris, Streptococcus diacetilactis and Streptococcus Iactis. It is also suitable for cultivation and maintenance of starter cultures for cheese and yogurt manufacturing. This medium helps in detecting streptococcal mutants which are lactose non-fermenters. M-17 Agar media may also be used for the differentiation of bacteriophages infecting lactic streptococci.

Notes préparatoires

Dissolve 50 g in 950 ml distilled water and sterilize by autoclaving at 121°C for 15 minutes. After cooling add 50 ml aseptic 10% lactose solution.

Note de bas de page

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.

Informations légales

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

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H319

Classification des risques

Eye Irrit. 2

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Faites votre choix parmi les versions les plus récentes :

Certificats d'analyse (COA)

Lot/Batch Number
BCCL7670
BCCM3360
BCCL5515
BCCK2316
BCCH9641

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Natan Gollop et al.
Biotechnology progress, 19(2), 436-439 (2003-04-05)
Propionibacterium thoenii P-127 produces and releases to the growth medium antibacterial agents that can be used as natural preservatives. The concentrations of these antibacterial agents in the growth medium are very low, and their activity can be detected only in
John Samelis et al.
Food microbiology, 28(1), 76-83 (2010-11-09)
This study used a combination of phenotypic, physical (Fourier Transformed Infra-Red [FTIR] spectroscopy) and molecular (RFLP and SSCP analysis of 16S rRNA genes) methods to identify the lactic acid bacteria (LAB) flora present in traditional Greek Graviera cheese after five
B P Keogh
Applied and environmental microbiology, 40(4), 798-802 (1980-10-01)
To assess the relative merits of tryptone yeast extract agar, the same medium unbuffered, and medium M17 for the assay of nine bacteriophages of lactic streptococci, comparative plaque counts were made with an overlay of 3 or 9 ml. Four
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

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