M17 Agar

( 221 )

M-17 Agar is a superior culture medium compared to other formulations for cultivating fastidious lactic streptococci, including Streptococcus cremoris, Streptococcus diacetilactis, and Streptococcus lactis. It is particularly suitable for the cultivation and maintenance of starter cultures used in cheese and yogurt production. Additionally, this medium facilitates the detection of lactose non-fermenting streptococcal mutants.

Basic, powder, for Lactic Streptococci in milk and dairy products

PRODUCT INFORMATION

 

 I.TECHNICAL SPECIFICATIONS

Structural / Composition Data

Sterility

 Non-sterile

Form

 Powder

Shelf life

 Limited shelf life, expiry date on the label

Composition

 -Ascorbic acid:0.5 g/L
 -Lactose:5 g/L
 -Magnesium sulfate: 0.25 g/L
 -Meat extract:5 g/L
 -Meat peptone (peptic):2.5 g/L
 -Sodium glycerophosphate:19 g/L
 -Soya peptone (papainic):5 g/L
 -Tryptone:2.5 g/L
 -Yeast extract:2.5 g/L
 -Agar:15 g/L

Application

 M-17 Broth is a selective medium.
Specifically designed for the cultivation of Lactic Streptococci Widely used in milk and dairy testing.

Preparation

 Suspend 57.25 g of the medium in 1 liter of distilled water and allow it to hydrate. Heat to boiling, distribute into   appropriate containers, and sterilize by autoclaving at 121 °C for 15 minutes.

Manufacturer- tradename 

 Polygon scientific

Technique

 Microbiological culture: suitable

Ph

 7.1±0.2 (25 °c)

Storage temperature

 2-25°c

Suitability

 -Nonselective for Lactococcus spp.
 -Nonselective for Streptococcus spp.

 

 II. APPLICATIONS

Intended Uses

 -Agriculture
 -Environmental
 -Food and beverages
 -Microbiology

 

 IV. PACKAGING & PRESENTATION

Sizes

100 mg

500 mg

1000 mg

 

M17 Agar

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