Yeast Extract Agar (Dehydrated)
Yeast Extract Agar (Dehydrated)
Thermo Scientific™

Yeast Extract Agar (Dehydrated)

Carry out plate count of microorganisms in water with this medium while adhering to ISO 1133:2014.
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Catalog NumberQuantity
CM0019T5 kg
CM0019R2.5 kg
CM0019B500 g
Catalog number CM0019T
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5 kg

Carry out plate counts of microorganisms in water with Thermo Scientific™ Oxoid™ Yeast Extract Agar (Dehydrated). Yeast Extract Agar is made to the formula described by Windle Taylor1 for the plate count of microorganisms in water and is tested in accordance with ISO 1133:20142. It is a rich, nutritious medium for the recovery of a wide range of bacteria, yeast, and molds.

The usual method of counting heterotrophic bacteria in water is by the poured plate method with Yeast Extract Agar. Separate counts are made of those aerobic mesophilic organisms which form visible colonies in this medium after 24 hours incubation at 37°C and those which form colonies after three days incubation at 22°C. The two methods give different results2 bacteria, yeast, and molds.

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Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.

For Laboratory Use Only

General References:

  1. Windle Taylor E. (1958) The Examination of Waters and Water Supplies, 7th ed., Churchill Ltd., London, pp. 394-398 and 778.
  2. International Organization for Standardization. ISO 11133:2014 Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media.
  3. Environment Agency' The Microbiology of Drinking Water (2012) - Part 7 - Methods for the enumeration of heterotrophic bacteria.
Specifications
Quantity5 kg
FormPowder
Product TypeAgar
Unit SizeEach