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18th March 2010  Content supplied by: 

New TOS MUP Medium for Enumeration of Bifidobacteria

Merck's new TOS Medium, TOS Propionate Agar with Lithium Mupirocin supplement, is a unique formulation for the reliable enumeration of Bifidobacteria in probiotic dairy products.

The specially designed TOS MUP Medium promotes the growth of Bifidobacteria while other accompanying flora, such as Lactobacilli, are suppressed, which is an advantage over other media such as Clostridial Agar (RCM). Incubation in an anaerobic jar additionally protects the Bifidobacteria against the presence of oxygen.

Partners for a better life Bifidobacteria are with you throughout your whole life, also called probiotics, they are a natural part of the bacterial flora in the human body. They are also found, together with other beneficial bacteria, in fermented dairy foods, especially yogurt.

Eating or drinking products rich in probiotics is thought to be helpful for many infections because growth of these bacteria is promoted, over other possibly harmful bacteria that may be present. They are partners in aiding good digestion whilst boosting the immune system. One member, Bifidobacteria infantis has been proven to dramatically reduce irritable bowel syndrome (IBS).

As only live organisms can provide any health benefits it is essential for manufacturers to be able to count the number of Bifidobacteria present in their products. Producers of products such as probiotics yoghurts, yoghurt like products or dried milk products, e.g. Bifidobacteria - containing infant milk formula, need to be able to specify the number of presumptive Bifidobacteria in their products.

The new Merck TOS MUP medium allows manufacturers to reliably count these organisms.

Product CodeDescriptionPresentation
1.00043.0100TOS Propionate Agar Base100 g
1.00043.0500TOS Propionate Agar Base500 g
1.00045.0010MUP Selective Supplement1 x 10 vials
1.16387.0001Anaerobic Jar1 PC
1.13829.0001Anaerocult® A1 x 10 sachets
1.15112.0001Anaerotest®1 x 50 strips
1.15525.0001RINGER´s tablets100 tablets

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Date Published: 18th March 2010

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