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BD Terreni di coltura disidratati Difco™: Yeast Nitrogen Base (YNB) senza aminoacidi e solfato di ammonio
Formula di Wickerham, classificazione dei lieviti secondo i requisiti di azoto e carbonio
Marca: BD 233520
Descrizione
Media with Yeast Nitrogen Base without Amino Acids and Ammonium Sulfate are included in many applications for the study of yeasts in molecular genetics. 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.
- Contains all essential nutrients and vitamins necessary for the cultivation of yeasts and a source of nitrogen and carbohydrate
- Lacks the amino acids histidine, methionine and tryptophan and ammonium sulfate
- Prepared according to Guenter’s modification of Wickerham’s Yeast Nitrogen Base formulation
- Displays a good cultural response to Kloeckera apiculata 9774 and Saccharomyces cerevisiae 9080
- pH (0.17% solution, 25°C): 4.5 ± 0.2
Order Info
Prices are for units of one each unless otherwise specified.

Specifica
ISO/DIS, 11014 | |
<30 °C | |
Yeast Nitrogen Base (YNB) | |
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 200 μg/l, pirossidina | |
Flacone |
Light yellowish-beige | |
Disidratato | |
Microbiology Media | |
Per la classificazione di lieviti in base alle caratteristiche delle colonie e alla morfologia delle cellule | |
100 g |
Sicurezza e movimentazione
- Yeast Nitrogen Base w/o Amino Acids & Ammoni
Informazioni supplementari
- MIXTURE LIST-Contiene: calcium chloride
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