A study of behavioural groupings of polyphenolic species in “Fino” sherry wine Evolution during vinification and mechanical treatment of the grape
- 1 October 1987
- journal article
- research article
- Published by Springer Nature in Zeitschrift für Lebensmittel-Untersuchung und Forschung
- Vol. 185 (4) , 307-314
- https://doi.org/10.1007/bf01123036
Abstract
The different groups and/or classes among phenolic acids and aldehydes identified during the elaboration process of “fino” sherry wine have been studied. The study was carried out using different processes during the elaboration of the wine and we have attempted to establish whether the different treatments of the grape affect these groupings. The study was undertaken by means of cluster and multifactorial analysis on the data obtained by the quantitative determination of phenolic acids and aldehydes during viniffcation and in experiments carried out on the grape under different mechanical treatments. The analysis of phenolic acids and aldehydes was done with HPLC, using a C-18μ-Bondapak and a stepwise composite gradient. The samples were previously extracted with ethylic ether. Die verschiedenen Gruppen und/oder Klassen unter den phenolischen Säuren und Aldehyden wurden während der Weinherstellung identifziert. Diese Studie wurde während der verschiedenen Prozesse der Bearbeitung des Weines ausgeführt und wir haben versucht, festzustellen, ob die verschiedenen Behandlungen der Trauben these Gruppierungen beeinflussen. Die Studie wurde mit Hilfe von Cluster-und Multifactorial-Analysen mit den erhaltenen quantitativen Bestimmungen der phenolischen Säuren und Aldehyden durchgeführt. Die Analysen der phenolischen Säuren und Aldehyden wurden mit der HPLC unter Anwendung von C-18μ-Bondapak durchgeführt. Die Proben wurden vorher mit Ethylether extrahiert.Keywords
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