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Analysis

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The chemical and sensory bases of the wine minerality
Antonio Palacios, Universidad de la Rioja (E)
The origin of the term minerality is recent, born in the 1980s with Robert Parker coining the term "wet stones". Subsequently, other versions of the same concept are used by journalists, som
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Published on: 11/28/2017
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Protein haze formation in white wine – the critical involvement SO2 in protein aggregation mechanism
Ricardo Chagas, Luisa Pinto Ferreira, Ricardo Boavida Ferreira, Ana Lourenço; LAQV REQUIMTE, Universidade Nova de Lisboa (P)
SIVE OENOPPIA 2017 AWARDS WINNER: video of the presentation by Ricardo Chagas at Enoforum 2017
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Published on: 11/13/2017
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VINIFICATION IN THE ERA OF GLOBAL WARMING: Analyses of yeast assimilable nitrogen (YAN) and gluconic acid for optimum management of alcoholic fermentation
Dr. Simone Bellassai Chemist and Oenologist at CDR srl
The ability to determine these two important analytical parameters in real time, thus achieving the result in a few minutes, is an essential “plus" for the oenologist for optimum management of alco...
Published on: 07/11/2017
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Brettanomyces: should VBNC (Viable But Not-Culturable cells) be feared ?
Lucile PIC et Jacques MATHIEU, GIE ICV VVS
In order to help winemakers choose the most suitable analytical method to help prevent the appearance of volatile phenols and "animal" notes in their wines, we prepared some trials to evaluate the ...
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Published on: 01/16/2017
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Maturity and viticultural techniques strongly impact rotundone concentration in red wines from Vitis vinifera L. cv. Duras
Olivier Geffroy, IFV Sud-Ouest (F)
Rotundone is a grape derived aroma compound responsible for peppery notes in red wines. It has been identified at concentrations surpassing its perception threshold in several red international cul...
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Published on: 03/31/2016
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New interpretations of wine softness concept
Axel MARCHAL – I.S.V.V. Bordeaux, France; Antonio GRAZIETTI – Laffort Italy
The concept of “sucrositè”, ie the ability of a wine to cause a sweet / savory sensation although there are no sugars, is a term widely used by expert wine tasters. So far there was no solid experi...
Published on: 11/18/2015
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Rapid method for ascorbic acid determination
Gloria DIMITRI, Andrea PIVA, Giuseppe ARFELLI, Ren MENGJIA; Dipartimento di Scienze degli Alimenti - Università degli Studi di Teramo
L-ascorbic acid in wines offers an antioxidant action that is efficient, immediate and even more intense than sulfur dioxide, even though it cannot substitute it. In comparison to sulfur dioxide it...
Published on: 04/15/2015
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Pinot blanc and Pinot gris arose as independent somatic mutations of Pinot noir
Vezzulli Silvia, Edmund Mach Fundación, San Michele all'Adige (TN)
In grapevine (Vitis vinifera L.), accumulation and fixing of somatic mutations represent frequent events, allowing growers to select and propagate new cultivars. Among spontaneous somatic mutations...
Published on: 02/04/2015
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Full automation and control of vinifications by FT-NIR spectroscopy: An innovation presenting ground-breaking opportunities
Charles Frohman1, Doris Rauhut2 and Ramón Mira de Orduña3; 1Department of Food Science, Cornell University, USA, 2Fachgebiet Mikrobiologie und Biochem
In the last decade, a variety of process analysis devices have been introduced which allow winemakers to monitor alcoholic fermentations. These systems visualize the fermentation rates and progress...
Published on: 09/24/2013
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Rapid detection and identification of yeasts in must and wine by flow cytometry and fish
Olga LUCIO, Isabel PARDO, Sergi FERRER; ENOLAB – Departament de Microbiologia i Ecologia/ERI-ISIC BIOTECMED/IViSoCa. Universitat de València, Spain.
Flow cytometry (FC) can be considered a useful method for microbiological quality control in wineries, and for the investigation of the growth dynamics of microorganisms in wine. <
Published on: 09/09/2013
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Synthesis of the ongoing works on rotundone, an aromatic compound responsible of the peppery notes in wines
M.J. Herderich, T.E. Siebert, M. Parker, D.L. Capone, C. Mayr, P. Zhang1, O. Geffroy2, P. Williamson, I.L. Francis; The Australian Wine Research Insti
The relatively unknown sesquiterpene rotundone was identified as an important aroma impact compound with a strong spicy, ‘pepper’ aroma in grapes and wine from a number of varieties including Shir
Published on: 06/12/2013
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Chasing after minerality, relationship to yeasts nutritional stress and succinic acid production
BARON M.1*, FIALA J.2; 1 Department of Viticulture and Oenology, Faculty of Horticulture, Mendel University Brno Czech Republic, 2 Department of Ferme
Minerality is certainly one of the most mysterious and most valuable tones of wine taste and it is very often associated with the concept of terroir. The isotachophoresis was used for determination...
Published on: 05/16/2013
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Molecular SO2 effect on Brettanomyces bruxellensis populations during a one-year storage
J. COULON(1), V. RAFFESTIN(2), M. BELLAN(1), A. LONVAUD-FUNEL(3) ; (1) Microflora et Unité de recherche ŒNOLOGIE, ISVV, (2)Chambre d’Agriculture de l
This work confirms that B. bruxellensis development can be tempered by SO2 addition if a sufficient molecular concentration of 0.8 mg.L-1 is achieved. However differences do exist among strains in ...
Published on: 01/09/2013
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A metabolomic approach to the study of wine micro-oxygenation
ARAPITSAS et al. ; Fondazione Edmund Mach, San Michele all'Adige, Italy, Consorzio Tuscania, Firenze, Italy, Department of Biological Chemistry, Unive
Over the years, various research projects have tried to understand and monitor the mechanism occurring when wine micro-oxygenation is applied, through target analysis. In this study, untargeted UPL...
Published on: 07/02/2012
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Wine colour: prepare, extract and maintain
Vincenzo GERBI*, Enzo CAGNASSO, Fabrizio TORCHIO, Simone GIACOSA, Alberto Caudana, Luca ROLLE; University of Torino - DIVAPRA – Food Technology Depart
The need to have access to information about grape phenolic potential has lead to the development of rapid methodologies based on different analytic techniques that can predict with sufficient accu...
Published on: 11/02/2011
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