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Vogel Johnson Agar Medium 500g Himedia

Vogel Johnson Agar Medium 500g Himedia
Vogel Johnson Agar Medium 500g Himedia
Vogel Johnson Agar Medium 500g Himedia
Vogel Johnson Agar Medium 500g Himedia
Vogel Johnson Agar Medium 500g Himedia
Vogel Johnson Agar Medium 500g Himedia

Vogel Johnson Agar Medium 500g Himedia Specification

  • Density
  • Not specified by HiMedia Gram per cubic centimeter(g/cm3)
  • Ph Level
  • 7.00 7.40
  • Melting Point
  • Not determined
  • Usage
  • Laboratory
  • Size
  • 500g
  • Molecular Formula
  • N/A formulated mixture
  • Purity
  • N/A formulated culture medium
  • Boiling point
  • Not applicable
  • Shelf Life
  • 3 Years
  • Physical State
  • Solid
  • Packaging Type
  • Plastic Bottle
  • Molecular Weight
  • N/A formulated mixture Carat
  • Flash Point
  • Not determined
  • CAS No
  • N/A formulated mixture
  • Grade
  • Microbiological Culture Media / Pharmaceutical Microbiology Grade
  • Type
  • Other
  • Application
  • Laboratory
  • Appearance
  • Light yellow to pink, homogeneous, free-flowing powder
  • Purity(%)
  • N/A formulated culture medium
  • Product Code
  • MAP023
 

Vogel Johnson Agar Medium 500g Himedia Trade Information

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

About Vogel Johnson Agar Medium 500g Himedia

Vogel-Johnson Agar (VJA) is a selective and differential medium used for the isolation and identification of Staphylococcus aureus, particularly coagulase-positive and mannitol-fermenting strains. It is known for its ability to differentiate S. aureus from other staphylococcal species. Key features of Vogel-Johnson Agar:
  • Selective:The medium contains ingredients that inhibit the growth of many other bacteria, allowing S. aureus to flourish. These inhibitors include potassium tellurite, lithium chloride, and high glycine content. 
  • Differential:S. aureus colonies on VJA exhibit distinct characteristics: they appear black due to the reduction of tellurite, and they may be surrounded by a yellow zone due to mannitol fermentation, which acidifies the medium and turns the pH indicator, phenol red, yellow. 
  • Components:VJA includes ingredients like trytone and yeast extract (for nutrients), mannitol (for fermentation), potassium tellurite, lithium chloride, and glycine (for selective inhibition), phenol red (pH indicator), and dipotassium phosphate (buffer). 
  • Applications:It is used in microbial limit testing, for detecting staphylococcal carriers, and for health studies. It is also used in the food industry for isolating and enumerating S. aureus in food samples. 
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