DC Medium with BCIG
Item No.  NCM0112A
$409.00
$3,759.00
$7,598.00
$37,169.00
Add To Cart

DC Medium with BCIG

Item No.  NCM0112A

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$409.00
$3,759.00
$7,598.00
$37,169.00
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DC Medium with BCIG is used in the chromogenic differentiation of E. coli from other coliforms in water samples using the membrane filtration method in a laboratory setting. DC Medium with BCIG is not intended for use in the diagnosis of disease or other conditions in humans.

DC (Differential Coliform) Medium with BCIG is a selective and differential medium for the presumptive identification of E. coli. This medium is enhanced by the addition of a chromogenic agent, BCIG, 5-bromo-4-chloro-3-indolyl-ß-D-glucuronide to detect glucuronidase activity. The presence of the enzyme ß-D-glucuronidase differentiates most E. coli spp. from other coliforms, and is the same enzyme used in the MUG reaction. BCIG reacts slightly differently, and when released into the medium is insoluble, accumulating within the cell, imparting a blue to purple color to presumptive E. coli colonies.

Specifications
Analyte Coliforms, E. coli
Brand NEOGEN Culture Media
Formula
Formula Liter
Lactose 10.0 g/L
Tryptose 10.0 g/L
Yeast Extract 3.0 g/L
Sodium Chloride 5.0 g/L
Proteose Peptone 5.0 g/L
Bile Salts 1.5 g/L
BCIG 0.2 g/L
Neutral Red 0.08 g/L
Agar 15.0 g/L
Grams per Liter 49.80
Liters per 500g 10.00
Mass 500 g
Package Dimensions 4.60 IN x 2.90 IN x 8.60 IN
Package Weight 1.35 LB
Plates per 500g 550.00
Preparation
  1. Suspend 49.8 g of the medium in one liter of purified water.
  2. Heat with frequent agitation and boil for one minute to completely dissolve the medium.
  3. DO NOT AUTOCLAVE.
  4. Cool to 45 - 50°C.
  5. Aseptically add 1.2 mL of a sterile 10 mg/mL solution of Cefsulodin and mix well.
Previous Item Number Product was previously known as Acumedia Product: 7704 DC Medium with BCIG

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