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Closed Access item Evolution of red wine anthocyanins during malolactic fermentation, postfermentative treatments and ageing with

Authors:Moreno Arribas, Mª Victoria
Gómez-Cordovés, Carmen
Martín Álvarez, Pedro Jesús
Keywords:Industrial red winemaking, Phenolic compounds, Lactic acid bacteria, Oak barrel, Stainless-steel tank, Lees storage, Technological procedures, Statistical treatments
Issue Date:2007
Citation:Food Chemistry.Vol. 109, Issue 1, 1 July 2008, 149-158
Abstract:A comparative study was conducted on nine batches of wine, from the same initial wine, subjected to malolactic fermentation and ageing in barrels, under different technological conditions: Malolactic fermentation in barrel or in tank, with or without wine clarification, ageing with or without lees and stirring or no stirring of the lees. Samples were taken of the initial wine, of the wine at the end of malolactic fermentation, of the wines after clarifying treatments, and after 3, 6, 9, 12 and 14 months of ageing in the barrel, making a total of 48 wines. As a result of the anthocyanin analysis of all the wines studied, a total of 21 different anthocyanin compounds were detected, which can be classified into four groups: simple glucosides, acetyl glucosides, cinnamoyl glucosides and pyroanthocyanins. During MLF, it was shown that the effect of the container used seems to be more important than the metabolic activity of the bacteria responsible for the process. From application of the LSD test, significant differences were found in the concentrations of all the anthocyanin compounds identified due to ageing time and significant differences were also revealed for most anthocyanin compounds in relation to the manufacturing method, especially the presence or absence of lees.
Publisher version (URL):http://dx.doi.org/10.1016/j.foodchem.2007.12.040
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