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2% Optical rotation
Character Slight yellow crystalline powder Solubility Soluble in DMSO
5 In water insoluble <0
5% Water Content (By KF) <0
Dry Base) ≥99
Yeast Potassium Nitrate Nitrogen Base Size:100g 2% Optical rotationYeast 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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