fusel oil


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fusel oil

(fyo͞o`zəl), oily, colorless liquid with a disagreeable odor and taste. It is a mixture of alcohols (largely amyl alcohols) and fatty acids, formed during the alcoholic fermentation of organic materials. After imperfect distillation of these fermentation products it becomes an impurity in the distilled liquor. Fusel oil is used as a solvent in the manufacture of certain lacquers and enamels (it dissolves nitrocellulose). It has a detrimental effect on the human system.

Fusel Oil

 

a by-product of ethyl alcohol fermentation. Ethyl alcohol may yield 0.4–0.6 percent fusel oil, with a density of 0.83–0.84 g/cm3 at 20°C. The fusel oil is in the form of a light yellow to dark reddish brown oily liquid with an unpleasant odor that irritates the mucous membranes of the respiratory tract. In chemical composition fusel oil is a mixture of monohydric aliphatic alcohols, including isopentyl and isobutyl alcohols, with impurities of acids, aldehydes, and other compounds. Fusel oil is poisonous.

The mixture of amyl alcohols obtained from fusel oil is used in the production of amyl acetate, and the mixture of hexyl, heptyl, octyl, and nonyl alcohols is used in the preparation of fragrances.

fusel oil

[′fyü·zəl ‚ȯil]
(materials)
A volatile, poisonous mixture of isoamyl, butyl, propyl, and heptyl alcohols produced as by-products in alcoholic fermentation of starches, grains, or fruits to produce ethyl alcohol.
References in periodicals archive ?
Besides, the report provides fusel oil prices in regional markets.
Statistical pattern recognition analysis (cluster analysis) of the various whiskeys has been shown to be useful in analyzing fusel oil components, contained in sour mash/bourbon, blended and scotch whiskeys (Wilson et al.
provides Fusel Oil market situation overview and supplies with a list of Fusel Oil manufacturers and suppliers worldwide
After the charcoal has had about a week to absorb all the fusel oils, add about a quart of cherry wood chips and about an equal volume of white oak chips.