InTray® Rose Bengal - Prepared Plated Culture Media

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InTray® Rose Bengal - Prepared Plated Culture MediaInTray® Rose Bengal - Prepared Plated Culture Media


InTray® Rose Bengal - Prepared Plated Culture Media

InTray® Rose Bengal Agar with antimicrobic supplement Chloramphenicol utilizes a highly selective, differential medium for use in the isolation and enumeration of yeasts and molds from soil, sewage and foods.

Designed to interface directly with standard methods for bacterial testing of water samples using the Membrane Filter (MF) Technique as stated by the U.S. Environmental Protection Agency (USEPA). Rose Bengal is a selective agent that inhibits bacterial growth and restricts the size and height of colonies of more rapidly growing molds. This restriction aids in the isolation of slow-growing fungi by preventing overgrowth by more rapidly growing species. The Rose Bengal is taken up by the yeast and mold colonies, facilitating their recognition and enumeration. Chloramphenicol is employed in this medium as a selective supplement, because of its heat stability and broad antibacterial spectrum.

  • Although this medium is selective primarily for fungi, microscopic evaluation is recommended for presumptive identification.
  • Due to the selective properties of the medium and specimen type being cultured, some strains of fungi may be inhibited or fail to grow entirely.
  • Care should be taken not to expose this medium to light, since photodegradation of rose bengal yields compounds that are toxic to fungi.


Product Principle
  • Combine collection, culture, result and microscopic observation in one IVD device.  
  • Highly selective prepared media in a device designed for in-vitro specimen transport and incubation.
  • Rapid presumptive-positive diagnosis without re-plating.  Intray can be placed directly on microscope stage
  • Fully enclosed cassette with Tyvek® air filtration prevents contamination and exposure, post-collection.   
Simple Convenience
  • The InTray is designed for specimen collection/ inoculation at point-of-care
  • Saves time, material cost and waste, reducing exposure to collected sample
  • Place directly on the microscope tray for observation through the cassette’s clear anti-fog window
  • Selectively produces distinctive colony growth with typical identifiable morphology
Accurate Detection

Test Strain


Colony Recovery

E. coli 25922 Marked to Complete Inhibition
M. leteus 10240 Marked to Complete Inhibition
C. albicans 10231 Good | White to Pink
A. brasiliensis 1015 Good | White to Black
Time to Result
  • Up to 7 days, incubate at  25-30ºC. 
  • Extended 6 month shelf life (2-8°C) from the date of manufacture
  • Can tolerate extended periods at controlled room temp (≤ 25˚C), with no loss in performance.
  • Soil sample
  • Food sample
  • Water sample

Features and Benefits

Shelf-life and durability

  • Designed for long shelf life, durability and stackable for incubation, or 12 month storage. 
  • No re-plate or wet mount 
  • Once InTray is inoculated, no other culture preparation is required... saving time and cost. 
  • Designed for specimen collection/inoculation at point-of-care, a fully enclosed system for transport, incubation, result and microscopic observation. 
  • The sealed prepared media device is selectively formulated for accurate detection and identification of pathogens and non-pathogens
  • Visual chromogenic differentiation and/or selective production of distinctive colony growth with typical identifiable morphology 

Key Features

  • Fully enclosed cassette with air filtration system
  • Nutritive culture colony growth medium, formulated for selectivity and specificity 
  • Anaerobic or aerobic system available 

You'll immediately experience a reduction in:

  • Time-to-result
  • Cost of laboratory materials 
  • Medical waste
  • Risk of exposure or contamination

Instructions for Use

Biomed offers extensive product documentation for each of our products. If you would like to review these, please see the Product Documentation section in the upper right of this page. 

If you would like to download the Instructions for Use (IFU) please click here ►

Ordering Information

Product Qty Item #
InTray Rose Bengal Custom Call for Pricing

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