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Food Chemistry
Article . 2015 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Digital.CSIC
Article . 2015
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Wood impregnation of yeast lees for winemaking

Authors: Felipe Palomero; Paolo Bertani; Brígida Fernández de Simón; Estrella Cadahía; Santiago Benito; Antonio Morata; José A. Suárez-Lepe;

Wood impregnation of yeast lees for winemaking

Abstract

This study develops a new method to produce more complex wines by means of an indirect diffusion of wood aromas from yeast cell-walls. An exogenous lyophilized biomass was macerated with an ethanol wood extract solution and subsequently dried. Different times were used for the adsorption of polyphenols and volatile compounds to the yeast cell-walls. The analysis of polyphenols and volatile compounds (by HPLC/DAD and GC-MS, respectively) demonstrate that the adsorption/diffusion of these compounds from the wood to the yeast takes place. Red wines were also aged with Saccharomyces cerevisiae lees that had been impregnated with wood aromas and subsequently dried. Four different types of wood were used: chestnut, cherry, acacia and oak. Large differences were observed between the woods studied with regards to their volatile and polyphenolic profiles. Sensory evaluations confirmed large differences even with short-term contact between the wines and the lees, showing that the method could be of interest for red wine making. In addition, the results demonstrate the potential of using woods other than oak in cooperage.

Country
Spain
Keywords

Carbohydrates, Wine, Saccharomyces cerevisiae, Lignin, Gas Chromatography-Mass Spectrometry, Diffusion, Lactones, Cell Wall, Cherry, Humans, Chestnut, Biomass, Chromatography, High Pressure Liquid, Acacia, Polyphenols, Wood, Ageing, Sterols, Oak, Cell-wall adsorption, Volatile compounds, Food Technology, Prunus

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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