Description
3/pack
DESCRIPTION
LISTERIA UVM MOD BROTH – BAG is a ready to use liquid medium in bag for the selective enrichment of Listeria monocytogenes according to the International Dairy Federation (IDF). The bags can be placed on special supports, connected to sterile tubes with the aid of specific joints and used with diluters, peristaltic pumps o, simply, you can bring the liquid to fall.
METHOD PRINCIPLE
LISTERIA UVM MOD BROTH is a modification of the formula described by Donnelly and Baigent. It is used for selective enrichment of Listeria monocytogenes from food and clinical specimens. Peptones, beef extract and yeast extract provide nitrogen, vitamins and minerals. Sodium chloride maintains the osmotic balance of the medium. Phosphate acts as a buffering agent. Nalidixic acid inhibits growth of Gram-negative microorganisms. The presence of Listeria spp. is indicated by hydrolysis of aesculin to produce esculetin which reacts with ferric ions causing the blackening of the broth.
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