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2 at 25°C Suspend 13 gram powdered medium in 1 litre distilled water
Store dark
Pancreatic Digest of Casein 5
Suspend 25
5 (20 g/l) Assay ≥99%
Yeast Potassium Nitrate Nitrogen Base Size:500g 2 at 25°C Suspend 13Yeast Potassium Nitrate Nitrogen Base contains Potassium Nitrate as a sole nitrogen source to test nitrogen assimilation. The addition of a carbon source is required. Histidine, Methionine and Tryptophan concentrations has been reduced to 10% of their original concentration as present in Yeast Nitrogen Base. Yeasts which have grown on a rich medium like Yeast Agar may carry a reserve of nitrogen in the form of protein. To avoid errors due to this
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