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Violet Red Bile Agar 500g Himedia

Violet Red Bile Agar 500g Himedia
Violet Red Bile Agar 500g Himedia
Violet Red Bile Agar 500g Himedia

Violet Red Bile Agar 500g Himedia Specification

  • Storage Instructions
  • Usage
  • Laboratory
  • Size
  • 500g
  • CAS No
  • N/A mixture
  • Shelf Life
  • 4 Years
  • Ph Level
  • 7.4 0.2
  • Flash Point
  • Not Applicable
  • Molecular Formula
  • N/A mixture
  • Density
  • Not specified Gram per cubic centimeter(g/cm3)
  • Purity
  • N/A formulated medium
  • Molecular Weight
  • N/A mixture Grams (g)
  • Melting Point
  • Not Applicable
  • Physical State
  • Powder
  • Boiling point
  • Not Applicable
  • Packaging Type
  • Plastic Bottle
  • Grade
  • Microbiology / selective culture medium
  • Type
  • Scientific Lab Chemicals
  • Application
  • Laboratory
  • Appearance
  • Light yellow to pink powder
  • Purity(%)
  • N/A formulated medium
 

Violet Red Bile Agar 500g Himedia Trade Information

  • Minimum Order Quantity
  • 25 Pieces
  • Payment Terms
  • Cash in Advance (CID)
  • Supply Ability
  • 1 Piece Per Day
  • Delivery Time
  • 5 Days
  • Sample Policy
  • Contact us for information regarding our sample policy
  • Packaging Details
  • plastic bottle
  • Main Export Market(s)
  • Australia, North America, South America, Western Europe, Asia, Central America, Eastern Europe, Middle East, Africa
  • Main Domestic Market
  • All India
  • Certifications
  • Violet Red Bile Agar
 

Violet Red Bile Agar 500g Himedia About

Violet Red Bile Agar (VRBA) is a selective microbiological medium used to detect and count coliform bacteria (Enterobacteriaceae) in water, dairy, and food products, inhibiting Gram-positive bacteria with bile salts and crystal violet, while lactose and neutral red indicator reveal lactose fermenters as pink/red colonies with purple halos, signaling acid production. Key Components & Function
  • Selective Agents: Bile salts and crystal violet inhibit most Gram-positive bacteria, allowing Gram-negative Enterobacteriaceae to grow.
  • Nutrients: Peptone and yeast extract provide essential carbon, nitrogen, vitamins, and amino acids.
  • Carbohydrate: Lactose serves as the fermentable sugar.
  • pH Indicator: Neutral red changes color with pH drops caused by fermentation, turning colonies red/pink and creating a reddish halo.
  • Osmotic Balance: Sodium chloride maintains osmotic equilibrium. 
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