Nutrient Agar

Nutrient Agar

SKU: KM0141 Category: Tag:

A basic general-purpose medium suitable for use in the cultivation of the less fastidious organisms particularly those that do not require the addition of blood or other enrichment.
When used to prepare agar slopes or agar butts, the medium can be used to maintain control organisms.
The peptone provides the required carbon, nitrogen and vitamins. Sodium chloride maintains osmotic balance.


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
Staphylococcus aureus NCTC 12981 Growth, white colonies
Escherichia coli NCTC 12241 Growth, straw colonies



Peptone 8.0
Sodium chloride 8.0
Agar 12.0
Total 28.0
*Adjusted/supplemented as required to meet performance requirements


Suspend 28g 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 aseptically dispense into appropriate sterile containers.