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M 17 Broth
The M17 Broth was developed for the growth and enumeration of lactic streptococci (lactococci) in milk and dairy products. It favors the growth of mutants unable to ferment lactose. It is well adapted to the culture of Lactococcus lactis (a particularly fastidious species).
Available as dehydrated medium : 500 g bottle
In compliance with regulatory requirements, a USDA permit (VS 16-3) is mandatory for shipments from Canada to the USA due to the inclusion of peptone, an animal byproduct.
Casein, meat and soybean peptones contain the carbon and nitrogen sources required to cultivate lactococci.
Yeast extract is a source of B vitamins .
Ascorbic acid stimulates growth.
Lactose is fermented to lactic acid, which is buffered by glycerophosphate, in order to stabilize the pH of the media.
