Learn More
BD Terreni di coltura disidratati Difco™: Yeast Nitrogen Base (YNB) senza aminoacidi
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.
Marca: BD 291940
Descrizione
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.
Specifica
ISO, 9000 | |
Da 2° a 8 °C | |
Yeast Nitrogen Base (YNB) senza aminoacidi | |
Fonte azoto: solfato di ammonio 5 g/l, vitamine: biotina 2 μg/l, calcio pantotenato 400 μg/l, acido folico 2 μg/l, inositolo 2000 μg/l, niacina 400 μg/l, acido p-amminobenzoico | |
Flacone |
White to off-white | |
Disidratato | |
Microbiology Media | |
Per la classificazione di lieviti basata sull’assimilazione di azoto | |
100 g |