polyene

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polyene

 [pol´e-ēn]
1. a chemical compound with a carbon chain of four or more atoms and several conjugated double bonds.
2. any of a group of antibiotic antifungal agents with similar structure, such as amphotericin b, candicidin, or nystatin; they are produced by species of Streptomyces that damage cell membranes by forming complexes with sterols.

pol·y·ene

(pol'ē-ēn),
A chemical compound having a series of conjugated (alternating) double bonds; for example, the carotenoids.

polyene

/pol·y·ene/ (pol´e-ēn)
1. a chemical compound with a carbon chain of four or more atoms and several conjugated double bonds.
2. any of a group of antifungal antibiotics with such a structure (e.g., amphotericin and nystatin) produced by species of Streptomyces that damage cell membranes by forming complexes with sterols.

polyene

1 a chemical compound with a carbon chain of four or more atoms and several conjugated double bonds.
2 any of a group of antibiotic, antifungal agents with similar structure, such as Amphotericin B or Nystatin; they are produced by a species of Streptomyces that damage cell membranes by forming complexes with sterols.

polyene

chemical compound characterized by the presence of several conjugated double bonds.

polyene antibiotics
a group of agents, synthesized by Streptomyces spp., with antifungal activity; includes amphotericin B, nystatin and candicidin.