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polyene
(redirected from Polyene antibiotics)

   Also found in: Dictionary/thesaurus, Wikipedia 0.06 sec.
polyene /pol·y·ene/ (pol´e-en)
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
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.

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