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Olivier GEFFROY
Olivier GEFFROY
Associate professor in viticulture and enology
Verified email at purpan.fr - Homepage
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Recent advancements in understanding the terroir effect on aromas in grapes and wines: This article is published in cooperation with the XIIIth International Terroir Congress …
C Van Leeuwen, JC Barbe, P Darriet, O Geffroy, E Gomès, S Guillaumie, ...
Oeno One 54 (4), 985-1006, 2020
732020
Effect of ripeness and viticultural techniques on the rotundone concentration in red wine made from Vitis vinifera L. cv. Duras
O Geffroy, T Dufourcq, D Carcenac, T Siebert, M Herderich, E Serrano
Australian Journal of Grape and Wine Research 20 (3), 401-408, 2014
602014
Changes in analytical and volatile compositions of red wines induced by pre-fermentation heat treatment of grapes
O Geffroy, R Lopez, E Serrano, T Dufourcq, E Gracia-Moreno, J Cacho, ...
Food Chemistry 187, 243-253, 2015
512015
Modulating analytical characteristics of thermovinified Carignan musts and the volatile composition of the resulting wines through the heating temperature
O Geffroy, R Lopez, C Feilhes, F Violleau, D Kleiber, JL Favarel, ...
Food Chemistry 257, 7-14, 2018
252018
Impact of winemaking techniques on classical enological parameters and rotundone in red wine at the laboratory scale
O Geffroy, T Siebert, A Silvano, M Herderich
American Journal of Enology and Viticulture 68 (1), 141-146, 2017
232017
Can a certain concentration of rotundone be undesirable in Duras red wine? A study to estimate a consumer rejection threshold for the pepper aroma compound
O Geffroy, J Descôtes, E Serrano, M Li Calzi, L Dagan, R Schneider
Australian journal of grape and wine research 24 (1), 88-95, 2018
222018
A sensory, chemical and consumer study of the peppery typicality of French Gamay wines from cool-climate vineyards
O Geffroy, C Buissière, V Lempereur, B Chatelet
Journal International de la Vigne et du Vin 50 (1), 35-47, 2016
222016
Investigating the Aroma of Syrah Wines from the Northern Rhone Valley Using Supercritical CO2-Dearomatized Wine as a Matrix for Reconstitution Studies
O Geffroy, M Morère, R Lopez, G Pasquier, JS Condoret
Journal of Agricultural and Food Chemistry 68 (41), 11512-11523, 2020
162020
May peppery wines be the spice of life? A review of research on the ‘pepper’aroma and the sesquiterpenoid rotundone
O Geffroy, D Kleiber, A Jacques
OENO One 54 (2), 245-262, 2020
142020
On-vine grape drying combined with irrigation allows to produce red wines with enhanced phenolic and rotundone concentrations
O Geffroy, T Siebert, M Herderich, B Mille, E Serrano
Scientia horticulturae 207, 208-217, 2016
132016
Fractionation and characterization of polyphenolic compounds and macromolecules in red wine by asymmetrical flow field-flow fractionation
K Pascotto, V Cheynier, P Williams, O Geffroy, F Violleau
Journal of Chromatography A 1629, 461464, 2020
122020
A 2-year multisite study of viticultural and environmental factors affecting rotundone concentration in Duras red wine
O Geffroy, J Descôtes, C Levasseur-Garcia, C Debord, JP Denux, ...
OENO One 53 (3), 2019
122019
Certified clone and powdery mildew impact rotundone in red wine from Vitis vinifera L. cv. Duras N
O Geffroy, O Yobrégat, T Dufourcq, T Siebert, E Serrano
Journal International des Sciences de la Vigne et du Vin 49 (4), 231-240, 2015
122015
Study of the relationship between red wine colloidal fraction and astringency by asymmetrical flow field-flow fractionation coupled with multi-detection
K Pascotto, C Leriche, S Caillé, F Violleau, JC Boulet, O Geffroy, ...
Food Chemistry 361, 130104, 2021
92021
Potential contribution of climate change to the protein haze of white wines from the French southwest region
G Pasquier, C Feilhes, T Dufourcq, O Geffroy
Foods 10 (6), 1355, 2021
92021
Synthesis of the ongoing works on Rotundone, an aromatic compound responsible for the peppery notes in wines
MJ Herderich, TE Siebert, M Parker, DL Capone, C Mayr, P Zhang, ...
Internet J. Enol. Vitic 6 (1), 1-6, 2013
82013
Understanding and mapping rotundone spatial variability in Vitis vinifera L. cv Duras
O Geffroy, T Scholasch, T Dufourcq, E Serrano
19th International Meeting GiESCO 2, 589-592, 2015
72015
A novel approach to discriminate the volatilome of Vitis vinifera berries by selected ion flow tube mass Spectrometry analysis and chemometrics
TB dit Baron, O Yobrégat, A Jacques, V Simon, O Geffroy
Food Research International 157, 111434, 2022
62022
Using common viticultural practices to modulate the rotundone and 3-isobutyl-2-methoxypyrazine composition of Vitis vinifera L. cv. Fer red wines from a temperate …
O Geffroy, ML Calzi, K IBPFELT, O Yobrégat, C Feilhès, T Dufourcq
OENO One 53 (4), 2019
62019
Foliar nitrogen and sulfur spraying allow to produce wines with enhanced concentration in varietal thiols
O Geffroy, F Charrier, P Poupault, R Schneider, R Lopez, L Gontier, ...
Macrowine. Changins, Switzerland, 2016
62016
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