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CompactDry YMR

Rapid Yeast and Mould 

Incubation Time
48-72 hours

Incubation Temperature
25 +/- 1°C

Yeast and mould can be present at any stage during food processing; from the crops in the field, storage of raw material, food preparation, and...

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Quantity

Buttons

40 plates 54063-YMR-0040
240 plates 54063-YMR-0240
1400 plates 54063-YMR-1400

Yeast and mould can be present at any stage during food processing; from the crops in the field, storage of raw material, food preparation, and finished products.

Yeast and mould are generally spore forming microorganisms, and these spores are resistant to harsh conditions such as extreme pH, drought, and temperature. Yeast and mould count indicates environmental cleanliness of production areas.

Due to their high tolerance to environmental conditions, failure to detect yeast and mould in production areas can result in food spoilage. The US Food and Drug Administration (FDA) stipulates that yeast and mould testing is a release parameter for food and beverages, and is part of an environmental monitoring system through air sampling.

 

Advantages of using CompactDry YMR to test yeast and mould in food

The ready-to-use CompactDry YMR differentiates yeast and mould through characteristic colour development and morphology.

The medium contains the chromogenic enzyme substrate “X-Phos” which results in blue yeast colonies. Mould forms “cotton wool” colonies with a characteristic colour.

The air space between the dehydrated culture media and the cover facilitates 3-dimension growth of yeast and mould, rendering the characterisation of colonies much easier.

Yeast: Blue or White to creme colonies
Mould: Cottony colonies with mould colors

General protocol

Step #1
1

Remove the cap

Step #2
2

Dispense 1 mL of sample in the middle of the CompactDry plate

Step #3
3

The sample diffuses passively and evenly across the dehydrated media sheet, rehydrating the dry medium into a gel within seconds

Step #4
4

Replace the lid and label the plate

Step #5
5

Turn over the plate (lid down) and incubate for the appropriate time and temperature

Step #6
6

Following incubation, count the number of coloured microbial colonies

Incubation Time
48-72 hours

Incubation Temperature
25 +/- 1°C

Shelf Life
24 months

Storage Temperature
RT +1°C to +30°C

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CompactDry YM/YMR for yeast and mould CompactDry YM/YMR differentiates yeasts and mould through characteristic colour development and morphology. The medium contains the chromogenic enzyme substrate X-Phos which results in blue…

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