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M-17 Agar

NutriSelect® Basic, powder, for Lactococcus spp., for Streptococcus spp., pack of 500 g, suitable for microbiology

Synonim(y):

M17 Lactococcal Agar

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Rozmiar/SKUDostępnośćCena netto
500 g
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1390,00 zł

Informacje o tej pozycji

NACRES:
NA.74
UNSPSC Code:
41171605
Manufacturer/tradename:
NutriSelect® Basic
Form:
powder
Suitability:
Lactococcus spp., Streptococcus spp.
Application(s):
agriculture
environmental
food and beverages, microbiology

1390,00 zł


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sterility

non-sterile

Quality Segment

form

powder

shelf life

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

packaging

pack of 500 g

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbiological culture: suitable

final pH

7.1±0.2 (25 °C)

application(s)

agriculture
environmental
food and beverages, microbiology

suitability

Lactococcus spp., Streptococcus spp.

General description

M-17 Agar is a specialized culture medium designed to support the growth of lactic streptococci. It contains casein peptone, meat peptone, soya peptone, yeast extract, and meat extract, which provide carbonaceous and nitrogenous compounds, vitamin B complex, and other essential growth factors. Ascorbic acid stimulates the growth of lactic streptococci, while magnesium sulfate supplies essential ions. Disodium β-glycerophosphate pentahydrate enhances the buffering capacity of the medium, promoting the growth of lactic streptococci and selectively inhibiting lactobacilli. The medium can also be used to detect phage infection by the presence of large, distinct plaques in the host bacteria’s growth, but plaque assays require the absence of glycerophosphate, which prevents calcium precipitation necessary for bacteriophage activity.

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.

Features and Benefits

NutriSelect®Basic is a powdered culture media offering
  • Qualitycontrol with growth promotion test according to industry standards
  • Qualityassurance acc. to ISO 9001
  • Cost-efficient powderedmedia

Preparation Note

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.

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.

Legal Information

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

Disclaimer

This product will be discontinued in the near future; however, stock is still available. The recommended replacement product is 1.15108 - M 17 agar acc. to TERZAGHI
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description

NutriSelect® Basic, powder, for Lactococcus spp., for Streptococcus spp., pack of 500 g, suitable for microbiology

description

NutriSelect® Basic, powder, for Streptococcus thermophilus, pack of 500 g

description

NutriSelect® Basic, powder, for Streptococcus thermophilus, pack of 500 g, suitable for microbiology

description

suitable for microbiology, NutriSelect® Basic

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

-

technique(s)

microbiological culture: suitable

manufacturer/tradename

NutriSelect® Basic

manufacturer/tradename

NutriSelect® Basic

manufacturer/tradename

NutriSelect® Basic

manufacturer/tradename

NutriSelect® Basic

form

powder

form

powder

form

powder

form

powder

suitability

Lactococcus spp., Streptococcus spp.

suitability

Streptococcus thermophilus, nonselective for Staphylococcus spp., nonselective for Enterococcus spp.

suitability

Streptococcus thermophilus

suitability

selective for yeasts (General Media), selective for Candida spp., selective for Zygosaccharomyces spp., selective for molds (General Media), selective for Pichia spp., selective for Saccharomyces spp.

application(s)

microbiology, agriculture
environmental
food and beverages

application(s)

food and beverages
microbiology

application(s)

microbiology

application(s)

microbiology, environmental
food and beverages

composition

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

composition

meat extract, 5 g/L , magnesium sulfate, 0.25 g/L , tryptone, 2.5 g/L , yeast extract, 2.5 g/L , sodium glycerophosphate, 19 g/L , lactose, 5 g/L , meat peptone (peptic), 2.5 g/L , ascorbic acid, 0.5 g/L , soya peptone (papainic), 5 g/L

composition

meat peptone (peptic), 2.5 g/L , yeast extract, 2.5 g/L , meat extract, 5 g/L , soya peptone (papainic), 5 g/L , magnesium sulfate, 0.25 g/L , sodium glycerophosphate, 19 g/L , ascorbic acid, 0.5 g/L

composition

yeast extract, 5 g/L , agar, 15 g/L , glucose, 40 g/L , soya peptone (papainic), 10 g/L , chloramphenicol, 0.05 g/L , streptomycin sulfate, 0.03 g/L


Piktogramy

Exclamation mark

Słowo ostrzegawcze

Warning

Kody zagrożeń

Hazard Classifications

Eye Irrit. 2

Klasa składowania

11 - Combustible Solids

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

PPE (środki ochrony indywidualnej)

Eyeshields, Gloves, type N95 (US)



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