Yeast Nitrogen Base, w/o Amino Acids. For classifying yeasts based on amino acid and carbohydrates requirements. Requires addition of a carbon source. Does not contain histidine, methionine, or trypophan. This product is sold for laboratory research use only.

• pH: 5.2 - 5.6
• Working Concentration: 6.7 g/L (single-strength) or 67 g/L (10X)
• Can be supplemented with choice amino acids
• Dehydrated Appearance: light yellowish-beige, homogeneous powder
• Prepared Appearance: single-strength solution is colorless to very pale yellow agar; 10X solution is yellow
• Soluble in water
• Storage: 2-8°C

Macro elements (mg/L)
• Potassium phosphate - 1000
• Magnesium sulfate - 500
• Sodium Chloride - 100
• Calcium Chloride -100
Micro elements
• Boric Acid - 0.5
• Copper Sulfate- 0.04
• Potassium Iodide- 0.1
• Ferric Chloride- 0.2
• Manganese Sulfate- 0.4
• Sodium Molybdate- - 0.2
• Zinc Sulfate- 0.4
Vitamins (mg/L)
• Biotin- 0.002
• Panthothenate, calcium- 0.4
• Folic acid- 0.002
• Inositol- 2.0
• Nicotinic acid- 0.4
• PABA (p-Aminobenzoic acid)- 0.2
• Pyridoxine Hydrochloride- 0.4
• Riboflavin- 0.2
• Thiamine Hydrochloride- 0.4
• Nitrogen Source (mg/L)
• Ammonium Sulfate- 5000

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