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M17 Medium is a well buffered enriched medium for bacterial growth. The medium is optimized for isolating lactic Streptococci. Casein hydrolysate, Beef extract and Soya peptone supply carbon sources, nitrogen, vitamins and minerals essential for vigorous growth. Yeast extract supplies B-complex vitamins which stimulate bacteria growth. The medium is buffered by Disodium-β-glycerophosphate which prevents a drop in pH by the production of organic acids, such as lactic acid, during fermentation.
Ascorbic acid and Magnesium sulphate are added to stimulate growth.
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Formula
g/l
Pancreatic Digest of Casein
5.0
Soy Peptone
5.0
Beef Extract
5.0
Yeast Extract
2.5
Ascorbic Acid
0.5
Magnesium Sulfate
0.25
Disodium-�-glycerophosphate
19.0
Suspend 36.15 grams of powdered medium in 1 litre distilled water
Store dry at room temperature.
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Orders within the UK
Orders within the UK with an order value of £300 or more (excluding VAT) will be delivered free of charge. Orders within the UK with an order value of less than £300 (excluding VAT) will be charged delivery of £13.50.
Orders from the European Union
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Orders from the US
Deliveries to the US start from less than $32. Formedium can assist you with or organise your US import permits. All freight charges are based on weight of order. Import tax is the responsibility of the purchaser and their clearing agents.
Orders from the rest of the world
Formedium deliver worldwide. Customs restrictions may apply so please do contact us if you have any queries. The cost of shipping orders will vary by destination and weight. All freight and transportation charges will be quoted in advance and are clearly indicated on the invoice. Import tax is the responsibility of the purchaser and their clearing agents.
Being a producer of powdered media, Formedium Ltd has the knowledge, equipment and laboratories to produce custom made media according to the end users specifications. If you are interested in the production of a custom made media, please complete the form below or alternatively contact us on 00 44 (0)1485 609069 or sales@formedium.com.
We are pleased to offer unpublished discounts on large volume purchases, please email us at info@formedium.com with your enquiry or complete the enquiry form below.
To review our research publications library where Formedium products have been used, please view the research publications page.
