E&O Laboratories Ltd have successfully grown their Culture Media business over the last 30 years to become a leading manufacturer
servicing Microbiology Laboratories , Location in Scotland. Their comprehensive media range is continually expanding into specialised industry sectors as well as aiding the rapid diagnosis of the newest antibiotic resistant bacteria strains.

INDUSTRY SECTORS:
• Clinical, Veterinary & Aquaculture
• Food, Water & Environmental
• Pharmaceutical, Industrial & Cosmetics
• Academia & Research

PRODUCT CATEGORIES:
• Ready-to-use Culture Media – Bottled, Bagged and Plated
• Dehydrated Culture Media & Raw Materials
• Antibiotic Supplements & Reagents
• Fresh Donor Horse & Sheep Blood – Frozen Sterile Filtered Serum

Dehydrated Culture Media products are formulated to supply the required nutrients to allow for the growth of microorganisms. Used in combination with a variety of selective agents and incubation conditions a wide range of specific organisms can be isolated. With careful raw material selection of the various media components E&O can ensure a consistent level of quality and performance. For each formulation the necessary ingredients are accurately weighed, combined and blended together to produce a homogenous powdered product.

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Yeast Extract Agar (YEA) ISO-image
Yeast Extract Agar (YEA) ISO main image

Yeast Extract Agar (YEA) ISO

  • Product Details
  • APPLICATIONS
  • SPECIFICATIONS
  • CODE
  • DOCUMENTS

Principles and uses
Yeast Extract Agar is a medium rich in nutrients that permits the recovery of a wide spectrum of bacteria, yeasts and molds. This medium is recommended by ISO 6222 for the plate count of microorganisms in all types of water, including for human consumption.
Tryptone provides nitrogen, vitamins, minerals and amino acids essential for growth. Yeast extract is the water-soluble portion of hydrolyzed yeast and is a source of vitamins, particularly of the B-group. Bacteriological agar is the solidifying agent.
The norm ISO 6222 recommend this medium for the enumeration of culturable microorganisms in potable water at 36 ºC and 22 ºC.

Preparation
Suspend 24 grams of the medium in one liter of distilled water. Mix well and dissolve by heating with frequent agitation. Boil for one minute until complete dissolution. Sterilize in autoclave at 121ºC for 15 minutes. Cool to 45±1 ºC, mix well and dispense into plates.

For the enumeration of a wide spectrum of bacteria, yeasts and molds in water
Bacteriological agar 15 Tryptone 6 Yeast extract 3
YEA500
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