Abstract
The acidic components contained in methylene chloride extracts of two Spanish flor sherries were isolated by sodium bicarbonate extraction. Analysis was accomplished by gas chromatography and infrared spectrometry of the methyl esters of the acids produced by reacting the acid extracts with diazomethane. Gas chromatograms of the methyl esters of the acids from the two sherries showed that the same acids were present in each, and only minor differences in relative amounts of individual acids were indicated. Acids identified as methyl esters and present in the extracts in large concentrations were: caproic, 2-hydroxycaproic, 2-furoic, succinic, benzoic, and 2-hydroxy-3-phenylpropionic acids. Found in moderate concentrations were: lactic, 3-hydroxycaprylic, 2-hydroxyisovaleric, caprylic, and phenylacetic acids. Present in small relative concentrations were: glutaric, azelaic, tricarballylic, and vanillic acids.
- Accepted May 1968.
- Published online January 1968
- Copyright 1968 by the American Society for Enology and Viticulture
Sign in for ASEV members
ASEV Members, please sign in at ASEV to access the journal online.
Sign in for Institutional and Non-member Subscribers
Log in using your username and password
Pay Per Article - You may access this article (from the computer you are currently using) for 2 day for US$10.00
Regain Access - You can regain access to a recent Pay per Article purchase if your access period has not yet expired.