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  5. BD Difco™ Yeast Nitrogen Base without Amino Acids

BD Difco™ Yeast Nitrogen Base without Amino Acids

Product Code. 11753573
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Quantity:
100 g
2 kg
10 kg
Packaging Type:
Bottle
Pail
Unit Size:
100g
10kg
2kg
Each
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Product Code. 11753573

Brand: BD 291940

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Description

Used for classifying yeasts based on amino acid and carbohydrate requirements. BD™ Difco™ Yeast Nitrogen Base without Amino Acids is a dehydrated culture medium used in many molecular genetics applications. Prepared according to the formulas of Wickerham.

Yeast Nitrogen Base without Amino Acids contains all essential vitamins and inorganic salts necessary for the cultivation of yeasts except histidine, methionine, tryptophan and a source of carbohydrate.

  • Prepared according to Guenter’s modification of Wickerham’s Yeast Nitrogen Base formulation
  • Good cultural response with Kloeckera apiculata 9774 and Saccharomyces cerevisiae 9080
  • pH (0.67% solution, 25°C): 5.4 ± 0.2

Yeasts are unicellular, eukaryotic, budding cells that are generally round-to-oval or elongate in shape. They multiply principally by the production of blastoconidia (buds). Yeast colonies are moist and creamy or glabrous to membranous in texture. Yeasts are considered opportunistic pathogens.

Order Info

Prices are for units of one each unless otherwise specified.

TRUSTED_SUSTAINABILITY

Specifications

Certifications/Compliance ISO, 9000
Color White to off-white
Content And Storage 2°C to 8°C
Form Dehydrated Powder
Media Type Yeast Nitrogen Base without Amino Acids
Product Type Microbiology Media
Formulation Nitrogen Source:  Ammonium sulfate 5g/L
Vitamins: Biotin 2μg/L, Calcium pantothenate 400μg/L, Folic acid 2μg/L, Inositol 2000μg/L, Niacin 400μg/L, p-Aminobenzoic Acid 200μg/L, Pyridoxine hydrochloride 400μg/L, Riboflavin 200μg/L, Thiamine hydrochloride 400μg/L
Compounds Supplying Trace Elements: Boric acid 500.0μg/L, Copper sulfate 40.0μg/L, Potassium iodide 100.0μg/L, Ferric chloride 200.0μg/L, Manganese sulfate 400.0μg/L, Sodium molybdate 200.0μg/L, Zinc sulfate 400.0μg/L
Salts: Monopotassium phosphate 1.0g/L, Magnesium sulfate 0.5g/L, Sodium chloride 0.1g/L, Calcium chloride 0.1g/L
For Use With (Application) For classifying Yeasts based on Nitrogen assimilation
Packaging Type Bottle
Quantity 100 g
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