Document Detail

Combined effects of pre-fermentative skin maceration and oxygen addition of must on color-related phenolics, volatile composition and sensory characteristics of Airén white wine.
MedLine Citation:
PMID:  21981320     Owner:  NLM     Status:  Publisher    
The effects of the joint pre-fermentative maceration and hyper-oxygenation of Airén white must and wine on the phenolic content, chromatic characteristics, volatile composition and sensory characteristics, not previously described in combination, have been evaluated. A total of 20 phenolic and 149 volatile compounds have been identified and quantified for that purpose. As a consequence of the oxygen addition, the concentration of hydroxycinnamic acid derivatives and flavan-3-ols decreased (above all t-GRP and (+)-catechin) leading to color stabilization, but also decreased that of several volatile compounds with a great importance for quality aroma. The pre-fermentative skin maceration, previously applied to the hyper-oxygenation of Airén musts, provided the aforementioned color stabilization in the respective wine but also increased the content of short-chain fatty acid esters and terpenes and decreased the concentration of C6 alcohols. That combination of pre-fermentative treatments (skin maceration followed by must hyper-oxygenation) produced an improvement of the global impression of the final wine based on significant better scores of tropical fruit, body and herbaceous notes.
Maria Jesus Cejudo-Bastante; Lucia Castro-Vazquez; Isidro Hermosín-Gutiérrez; Maria Soledad Perez-Coello
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-10
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  -     ISSN:  1520-5118     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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