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Tech. Q. Master Brew. Assoc. Am., 1972, 9(2), 72-76 English
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Beer aromatics and their origin.

Drawert, F. and Tressl, R.

Abstract
A list is given of about 160 volatile aromatic compounds which have been concentrated from malt beers by liquid liquid extraction and separated and identified by analytical and preparative gas chromatography and spectrophotometric and chemical procedures. The list is divided into esters, alcohols, acids, hydrocarbons and carbonyls.
Keywords: aroma beer flavour volatile compound