Abstract

The major components (50%) of the surface lipid extract of fungal spores (5.6% of dry spore wt) of Sphaerotheca fuliginea are esters of primary alcohols and fatty acids. Esters (15%) of primary alcohols and a Δ 2 t acid are present. The major acid moieties of the alkyl esters are C 22 and C 24 and of the Δ 2 t alkyl ester is Δ 2 t C 22; for both classes eicosanol is the major primary alcohol. The major ester of each class was concluded to be eicosanyl docosanoate and eicosanyl trans-2-docosenoate. Minor components are saturated and Δ 2 t methyl and diol diesters and free fatty acids. The major acid moieties of the diol diesters are C 22 and C 24 and the major diol is 1,12-dodecanediol.

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