» Technical Articles
» Polyphenols as a natural alternative to the use of sulphites in winemaking

Inactivated yeasts: production and technological characteristics
Piergiorgio Comuzzo, Di4A, Università di Udine; Federico Giotto, Giottoconsulting srl; Gianmaria Zanella, Enologica Vason
The role of yeast derivatives in the activation of alcoholic fermentation is well known. However, the lack of knowledge about the composition of these products makes their use essentially based on ...
Published on: 17/02/2020
Next

Polyphenols as a natural alternative to the use of sulphites in winemaking

Polyphenols as a natural alternative to the use of sulphites in winemaking

Almudena GARCÍA-RUIZ, M.Victoria MORENO-ARRIBAS, Pedro J. MARTÍN-ÁLVAREZ, Begoña BARTOLOMÉ*; Instituto de Investigación en Ciencias de la Alimentación

This paper summarizes the results of a systematic study on the effect of polyphenols on the growth and metabolism of wine LAB, and its mechanism of action, also evaluated the possible use of natural phenolic extracts as antimicrobial additives during winemaking.

Published on 08/07/2013

Attachments
(613,2 Kb) Open and read the article (pdf, 613 Kb)

E. Aguera, J.M. Sablayrolles

The seasonal character of harvests limits winemaking considerably, especially oenological research. Thus, conserving sterile musts during the whole year to carry out experiments is certainly a very...

Published on:10/08/2005

A new device for stabilisation of white wines throughout a continous flow system

Parpinello, G.P., Ricci, A., Serantoni, M., Balducci, A., Ragni, L., Versari, A.; University of Bologna, Italy

Proteins occurring in wine originate from several sources during the winemaking process. Protein content in wines ranges from traces up to hundreds of mg/L, and may cause physical instability in wh...

Published on:15/01/2020

A novel electrochemical approach for rapid analysis of white grapes polyphenols and monitoring of pre-fermentative operations

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...

Published on:02/05/2019

An electrochemical method for real time measurement of polyphenols during winemaking

By Christine Pascal, Nelly Champeau, Jean Baptiste Diéval, Stéphane Vidal; Vinventions, Enology team, France

Polyphenols are known to play a major role in must oxidation as well as in wine aging and oxidation. However, they are difficult to measure in the cellar due to lack of adequate technology. Therefo...

Published on:03/02/2020

Application of visible/near infrared spectroscopy to assess the grape infection at the winery

A. Tugnolo, V.Giovenzana, R. Beghi, L. Brancadoro, R. Guidetti; DiSAA, Università degli Studi di Milano, Italy

The aim of this work was to investigate the applicability of vis/NIR spectroscopy for rapid grape infection assessment in a view of a grape classification directly at the check point station enteri...

Published on:09/10/2018

Most popular practices in Europe against FD

Results of interviews in 10 winegrowing regions

This document illustrate practices observed on field in the famework of interviews realized during Winetwork project. 219 interviews were realized in 10 european winegrowing regions with the object...

Published on:06/12/2016

Login
Password recovery
Log in with facebookLog in with Google
Categories
Topics