Welcome to the Refreshed Chemopharm Webstore!
 

MR-VP MEDIUM 500 grams/bottle

SKU
CDL/1512
Brand
CONDALAB
Pre-order (Deliver in 8 to 12 weeks)
Login For Price
MR-VP Medium is used in the differentiation of enteric Gram-negative bacilli on the basis of the methyl red and acetylmethylcarbinol (Voges-Proskauer) reactions of the Escherichia-Enterobacter group. Casein peptone provides nitrogen, vitamins, minerals and amino acids essential for growth. Dextrose is the fermentable carbohydrate providing carbon and energy. Potassium phosphate acts as a buffer system. In 1915, Clark and Lubs used methyl red as an indicator of acidity in the cultures of the Coli-Enterobacter group. This test is now known as the methyl red test and serves to distinguish between those microorganisms that produce and maintain a high concentration of acid from those that initially produce a small amount of acid and are capable of later attacking those same acids, turning the medium neutral or alkaline, such as Enterobacter species. Voges and Proskauer described in 1898 a fluorescent red coloration that appeared in certain cultures upon adding drops of KOH solution. Later it was supposed that this reaction was due to the oxidation of acetylmethylcarbinol to diacetyl that reacted with the peptone of the medium to give a red color. Enterobacter bacteria oxidize the acetylmethylcarbinol and give a red coloration, in contrast to Escherichia coli that does not.
More Information
Brand CONDALAB
Write Your Own Review
You're reviewing:MR-VP MEDIUM 500 grams/bottle
Your Rating
More from CONDALAB
Who Viewed This Also Viewed
  1. No. 91 Filter Circles 24cm/1000
    No. 91 Filter Circles 24cm/1000 Brand: WHATMAN SKU: WH/MA/AO/1091240
    Login For Price
  2. Bottles WM PP 16oz 6/pk
    Bottles WM PP 16oz 6/pk Brand: COLE-PARMER SKU: CP/OO/O/P-06101-50
    Login For Price
  3. Waterproof CyberScan pH 620 pH/mV/Ion handheld meter with
    Waterproof CyberScan pH 620 pH/mV/Ion handheld meter with Brand: EUTECH SKU: EU/PO/PH/PHWP620/42K
    Login For Price
  4. 934AH GMF Circles 9.0cm/100
    934AH GMF Circles 9.0cm/100 Brand: WHATMAN SKU: WH/MA/CO/1827090
    Login For Price
  5. GF/B GMF Circles 15.0cm/25
    GF/B GMF Circles 15.0cm/25 Brand: WHATMAN SKU: WH/MA/CO/1821150
    Login For Price