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The oxygen consumption rate of an inactive dry yeast (IDY) selected to protect wine from oxidationThe oxygen consumption rate of a specific inactivated yeast (Pure-Lees™ Longevity, Lallemand) specially selected to protect wine from oxidation thanks to its high capacity for oxygen consumption was calculated using a non-destructive luminescence-based technique in a model solution, to which different concentrations of inactive dry yeast, sulphur dioxide or ascorbic acid were added. Results indicate […]
Mar 5, 2020
Inoculating with yeast to acidifyA non-Saccharomyces yeast, Laktia, can naturally acidify white and red musts by converting a small amount of sugar into lactic acid at the start of alcoholic fermentation. This is a new way to acidify wine. The article is published with the permission of La Vigne TAP-ANG Levure
Mar 4, 2020
ESL 2019 : Biological tools in winemaking adapting to a changing environmentThe proceedings from the 2019 Entretiens Scientifiques Lallemand held in Weisbaden Germany are now available. the 2019 international meeting focused on different strategies to overcome some of the issues related to climate change. From the vineyards with Lalvigne foliar sprays to managing acidity with non-Saccharomyces yeast, to nutrition and oxidation management. Special guests from the […]
Feb 26, 2020
ESL 2004: Wine quality and malolactic fermentationProceedings of the XVIth Entretiens Scientifiques Lallemand held in Porto, Portugal discusses the role lactic acid bacteria and malolactic fermentation in winemaking. Topics presented included yeast-bacteria interactions, impact of S-containing amino acids and glutathione on LAB and MLF, producing buttery wines and the LAB genome project. Cahier Lall 5
Feb 20, 2020
ESL 2005: Yeast’s contribution to the sensory profile of wineProceedings of the XVIIth Entretiens Scientifiques Lallemand held in La Rioja, Spain discusses how to maintain regional typicity and biodiversity with increasing globalisation. Topics presented included role of yeast in release of aroma compounds from glycosides, biodiversity of yeast, wine aging on yeast lees and wine yeast strain development. Cahier05 Lall
Feb 20, 2020
ESL 2006: New trends in the use of specialty inactivated yeast during winemakingProceedings of the XVIIIth Entretiens Scientifiques Lallemand held in South Africa discusses the role and contribution of specifically inactivated yeast and their products in winemaking. Topics presented included effects of inactivated dried yeast in fermentation, the complexities of yeast cell walls and what they offer to wine, and how mannoproteins interact with wine polyphenols. Cahier18e […]
Feb 20, 2020
ESL 2007: Global warming brings new oenological challengesProceedings of the XIXth Entretiens Scientifiques Lallemand held in Margaux, France discusses how climate change is impacting grape and wine production. Topics presented included climate change and viticulture, challenges faced by yeast with higher alcohol, malolactic fermentation and grape phenolic maturity. Cahier19 Lall
Feb 20, 2020
ESL 2008: Production and sensory impact of Sulphur compoundsProceedings of the XXth Entretiens Scientifiques Lallemand held in Horsens, Denmark discusses how Sulphur compounds impact wine aromas – positively and negatively. Topics presented included prevalence of wine faults from a blind tasting perspective (International Wine Challenge held annually in London), genetics of Sulphur-containing compounds in Saccharomyces and production by O. oeni during MLF. Cahier20 […]
Feb 20, 2020
ESL 2009: Sensory of cool-climate varietalsProceedings of the XXIst Entretiens Scientifiques Lallemand held in Geisenheim Institute in Germany focused on cool-climate varietals and to understand how wine fermentation impacts their sensory properties. The meeting also celebrates the 115th anniversary of the Geisenheim Research Centre with a presentation by Prof Manfred Grossmann. Topics presented included Margaret River cool-climate Chardonnay, yeast and […]
Feb 20, 2020
ESL 2011: Sensory of hot-climate red varietals and Rosé wine fermentation managementProceedings of the XXIInd Entretiens Scientifiques Lallemand held in Dubrovnik, Croatia focused on cool-climate varietals and to understand how wine fermentation impacts their sensory properties. Topics presented included Margaret River cool-climate Chardonnay, yeast and its role terroir expression in Germany and France, and how MLF impacts cool-climate varietals. Rosé winemaking covered topics including yeast and […]
Feb 20, 2020