Extracellular Accumulation of the Polyol Lipids, 3,5-Dihydroxydecanoyl and 5-Hydroxy-2-decenoyl Esters of Arabitol and Mannitol, by Aureobasidium sp.

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  • Extracellular Accumulation of the Polyol Lipids, 3,5-Dihydroxydecanoyl and 5-Hydroxy-2-decenoyl Esters of Arabitol and Mannitol, by<i>Aureobasidium</i>sp.
  • Extracellular accumulation of the polyol lipids, 3,5-dihydroxydecanoyl and 5-hydroxy-2-decenoyl esters of arabitol and mannitol, by Aurebasidium sp.

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Many isolated strains of Aureobasidium sp. were found to produce extracellular lipids as heavy oils in culture media containing no CaCO3 as a neutralizing agent. The lipids (35g) were recovered from the culture broth (1 liter) of a light-colored mutant of Aureobasidium sp. A-2 and proved to be a mixture of fatty acid esters of arabitol and mannitol. The two main components of the lipophilic moiety of the lipids proved to be 3, 5-dihydroxydecanoic and 5-hydroxy-2-decenoic acids by the identification of their lactones, (+)-3-hydroxydecan-5-olide and (R)-(-)-2-decen-5-olide, that is, R-(-)-massoilactone, respectively.

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