Anthocyanins are the pigments responsible of the wine color. However, they are not stable under enological conditions, and their evolution during fermentation, stabilization and ageing strongly inf...
P. Comuzzo, Università of Udine; G. Zanella, Enologica Vason; M. Li Calzi, Enolfactive
This videos describe the opportunities offered by technologies such as Ultrasound (US), pulsed electric fields (PEF) and high pressure techniques (HPT), to rapidly extract compounds of relevant eno...
Of all the compounds that can be found in lees, polyphenols are those with particularly powerful bioactive properties, and their extraction is of interest for re-use in food and nutraceutical matri...
New potential tools to monitor the health of the vine, measure phenology, vigour and estimate yield. Simplify daily vineyard work by using Process2Wine, an intelligent solution for viticulture and ...
High amplitude and power ultrasounds (US) were tested on the pre-fermention maceration phase of white grapes to study the effect on thiol precursors. In particular, the research focused on the prec...
M. Petrozziello, F. Torchio, F. Piano, S. Giacosa, M. Ugliano, A. Bosso, L. Rolle, CREA-Asti, Università degli Studi di Torino, Università di Verona
Given the economic and qualitative importance of Nebbiolo-based wines, this research sought to explore the effect of increasing oxygen doses on four wines made from Nebbiolo grapes hand-picked in B...
Encarna Gomez-Plaza, Departamento de TecnologÃa de Alimentos, Nutrición y BromatologÃa, Universidad de Murcia.
Tannins are mainly present in grape skin and seeds and are transferred into must-wine during the maceration step of winemaking, but this transference is far for being complete. This could be due, a...
Generally, the first sensory impression of a wine is visually perceived. Color, intensity, tonality,... gives us information about the elaboration processes, variety, ageing, oxidation and stabiliz...
In recent research work, at laboratory scale and in a pilot plant, it has been proven that the use of PEF (Pulsed Electric Fields) increases and/or accelerates the extraction of phenolic compounds ...
M. UGLIANO, J. WIRTH, S. BÉGRAND, J. B. DIÉVAL, C. PASCAL, S. VIDAL; Università degli Studi di Verona - Vinventions, Francia
The ability to rapidly quantify and characterize phenolic composition of grapes and must is critical in the optimization of winemaking practices. In the case of white wine production, measurement o...
Leo Forte, Parsec - Alessandra Biondi Bartolini, R&D consultant
In the vinification of red grapes, the choice of the most appropriate technique to enhance and optimize extraction is essential. The objective is to selectively extract the most noble compounds pre...
Patrice Pellerin, Responsabile R&D Oenobrands (F); Anna Brull, Parco Tecnologico VITEC, Falset (S)
The main enzymatic activities of enzyme preparations used during winemaking are already well known. The main interest of enzymes used for the degradation of cell walls is to extract higher amounts of
Colour and aroma are the two most important sensory parameters for red wines. At present in order to extract grape skin polyphenols the traditional process requires extended macerations. There are ...
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