Yeast Extract Agar

//Yeast Extract Agar

Yeast Extract Agar

SKU: KM0177 Category:

Yeast extract agar is a nutrient rich medium for the cultivation of non-fastidious bacteria, yeasts and moulds. Recommended for the plate count of microorganisms in water and dairy products.
The yeast extract and peptone acts as a source of nitrogen, amino acids, carbon and vitamins.

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Additional Information

Shelf Life (days)

Storage Temp (°C)

Dehydrated Medium Appearance

Prepared Medium Appearance

Dehydrated Medium Colour

Prepared Medium Colour

Dehydrated PH

Prepared PH

Product Description

Organisms Ref. No Result
Escherichia coli NCTC 12241 Growth, cream colonies
Staphylococcus aureus NCTC 12981 Growth, white colonies
Bacillus subtilis ATCC 6633 Growth, cream colonies



Yeast extract 3.0
Peptone 5.0
Agar 15.0
Total 23g
*Adjusted/supplemented as required to meet performance requirements


Suspend 23g of the medium in one litre of deionised / purified water. Allow the medium to soak whilst mixing for 10 minutes. Sterilise at 121°C for 15 minutes with frequent stirring to completely dissolve the medium. Cool to 45-50°C and dispense into appropriate sterile containers.