Yeast Nitrogen Base without Amino acids, without Ammonium sulphate and without para Amino Benzoic acid

Para-Amino benzoic acid is omitted from this formulation of Yeast Nitrogen base without Amino acids to provide the researcher the possibility to grow yeast cells in the absence of para-Amino Benzoic acid or to replace this vitamin.

Ammonium sulphate, as a source of Nitrogen, has been omitted to test the ability of yeast cells to assimilate different nitrogen sources like Potassium nitrate.

Suspend 1.9 gram powdered medium in 1 litre distilled water

Store dry at room temperature