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Violet Red Bile Glucose Agar 500g Himedia

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

Violet Red Bile Glucose Agar 500g Himedia Specification

  • Physical State
  • Solid
  • Shelf Life
  • 3 Years
  • Melting Point
  • Not determined
  • Boiling point
  • Not applicable
  • Usage
  • Laboratory
  • Packaging Type
  • Plastic Bottle
  • Size
  • 500g
  • Density
  • Not specified by HiMedia Gram per cubic centimeter(g/cm3)
  • Molecular Formula
  • N/A mixture
  • CAS No
  • N/A formulated mixture
  • Ph Level
  • 7.2 7.6
  • Flash Point
  • Not determined
  • Purity
  • N/A formulated culture medium
  • Molecular Weight
  • N/A mixture Carat
  • Grade
  • Microbiological Culture Media / Pharmaceutical Microbiology Grade
  • Type
  • Other
  • Application
  • Laboratory
  • Appearance
  • Cream to yellow, homogeneous, free-flowing powder
  • Purity(%)
  • N/A formulated culture medium
  • Make
  • Himedia
  • Color
  • Violet Red
  • Product Code
  • MH581
  • Application Area
  • Bacterial Enumeration
  • Form
  • Powdered Media
  • Microbiological Use
  • Selective Media
 

Violet Red Bile Glucose Agar 500g Himedia Trade Information

  • Minimum Order Quantity
  • 25 Pieces
  • Supply Ability
  • 100 Pieces Per Month
  • Delivery Time
  • 7 Days
 

About Violet Red Bile Glucose Agar 500g Himedia

Violet Red Bile Glucose Agar (VRBGA) is a microbiological growth medium used to isolate and enumerate bacteria belonging to the Enterobacteriaceae family, particularly in food and dairy products. It is a selective and differential medium that inhibits the growth of Gram-positive bacteria while allowing Gram-negative bacteria, especially those that ferment glucose, to grow and be identified. Key Features and Components:
  • Selective Agents:Bile salts and crystal violet inhibit the growth of Gram-positive bacteria, while allowing Gram-negative bacteria to grow. 
  • Differential Agent:Glucose is the fermentable carbohydrate. Bacteria that ferment glucose produce acid, which lowers the pH of the medium. Neutral red, a pH indicator, turns red in acidic conditions, allowing for the identification of glucose-fermenting bacteria. 
  • Enrichment Components:Pancreatic digest of gelatin, yeast extract, and sodium chloride provide essential nutrients for bacterial growth. 
  • Solidifying Agent:Agar provides a solid surface for bacterial growth. 
How it works:
  1. 1. Inhibition:Bile salts and crystal violet inhibit the growth of most Gram-positive bacteria and some Gram-negative bacteria. 
  2. 2. Fermentation:Enterobacteriaceae that can ferment glucose will produce acids, causing the neutral red indicator to turn red. 
  3. 3. Colony Appearance:Glucose-fermenting bacteria will appear as red or reddish-purple colonies, often with a surrounding zone of bile precipitation (a reddish haze). 
Applications:
  • Food Microbiology:VRBGA is used to detect and enumerate Enterobacteriaceae in various food products, including raw foods and processed foods. 
  • Dairy Microbiology:It is also used in the analysis of dairy products to assess the presence of coliform bacteria. 
  • Clinical Microbiology:VRBGA can be used in clinical settings to isolate and identify bacteria from clinical samples. 
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