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Beskrivelse
Nystatin A is closely related to Amphotericin B. Each is a macrocyclic lactone containing a ketal ring, an all-trans polyene system, and a mycosamine (3-amino-3-deoxyrhamnose) moiety. Nystatin probably acts by binding to sterols in the cell membrane of the fungus with a resultant change in membrane permeability allowing leakage of intracellular components. It is absorbed very sparingly following oral administration. Most of the orally administered nystatin is passed unchanged in the stool.
- Nystatin acts by binding to ergosterols in fungal cell membranes, increasing permeability of the membrane, and creating nystatin/ergosterol based ion channels.
- It also functions as a lipid raft-inhibiting reagent and as membrane associated cholesterol.
- It is known to be a mixture, but the composition has not been completely elucidated.
- Working concentration is 50mg/L for yeasts and fungi.
Tekniske data
Tekniske data
| Physical Form | Powder |
| Absorbance | 290, 305, 320 ± 2nm (max (ethanol)) |
| CAS | 1400-61-9 |
| pH | 6 to 8 (3% aq. soln.) |
| Melting Point | >160°C (literature) |
| Loss on Drying | <8% |
| Quantity | 500 kU |
| Molecular Formula | C47H75NO17 |
| Validated Application | Cell Culture |
| Synonym | Mycostatin; Fungicidin |
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