WAC 2022 banner
IVES 9 IVES Conference Series 9 WAC 9 WAC 2022 9 3 - WAC - Posters 9 Vitamins in musts : an unexplored field

Vitamins in musts : an unexplored field

Abstract

Vitamins are major compounds, involved in several prime yeast metabolic pathways. Yet, their significance in oenology has remained mostly unexplored for several decades and our current knowledge on the matter still remaining obscure to this day. While the vitaminic contents of grape musts have been approached in these ancient investigations, their vitameric composition have never even been investigated so far. To shed light onto this unexplored field, a novel HPLC procedure has been developed and validated for the simultaneous and direct analysis of 19 different vitamers from 8 different vitaminic groups (B1, B2, B3, B5, B6, B8, B9, C) in a one-hour chromatography run, that is exempted from any treatment of the sample prior to injection. This technique has allowed for the characterization of 85 white grape musts from different geographical origins, cultivars, as well as vintages. Noticeable patterns appeared in regard to the grapevines areas of cultivation, suggesting possible leads for further characterization. Overall, vitamins stand as highly diverse and versatile in concentrations, strongly varying between musts. This analytical tool could allow to further define the yeast nutritional requirements for vitamins, and, as such, better conduct the alcoholic fermentations in oenology in regards to possible deficiencies in grape musts, as well as allowing to investigate the influence held by vitamins in oenology in regards to wine aromatic profiles.

DOI:

Publication date: June 27, 2022

Issue: WAC 2022

Type: Article

Authors

Marie Sarah Evers, Hervé Alexandre, Christophe Morge, Celine Sparrow, Antoine Gobert, Chloé Roullier-Gall

Presenting author

Marie Sarah Evers – (1) Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne, Dijon, France ; (2) Sofralab SAS, Magenta, France

Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne, Dijon, France | Sofralab SAS, Magenta, France | Sofralab SAS, Magenta, France | Sofralab SAS, Magenta, France | Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne, Dijon, France,

Contact the author

Keywords

vitamins – grape must – HPLC – oenology – winemaking

Tags

IVES Conference Series | WAC 2022

Citation

Related articles…

Impacts of fumaric acid addition at the bottling on Cabernet Sauvignon wine quality. Comparison with tartaric acid addition.

Climate change and reduction of inputs are two major challenges for viticulture and oenology. With increasing temperature, wines become less acid and microbiologically less stable (1).

Red wine extract and resveratrol from grapevines could counteract AMD by inhibiting angiogenesis promoted by VEGF pathway in human retinal cells

Age-related macular degeneration (AMD) that is the main cause of visual impairment and blindness in Europe which is characterized by damages in the central part of the retina, the macula. This degenerative disease of the retina is mainly due to the molecular mechanism involving the production and secretion of vascular endothelial growth factor (VEF). Despite therapeutic advances thanks

Arbuscular mycorrhizal fungi as biomarkers of vineyard yield in Champagne

The vine is colonized by a multitude of micro-organisms (fungi, bacteria, oomycetes) mainly coming from the microbial reservoir constituted by the soil. These microorganisms have positive or negative effects on the vine (protection against pathogens, resistance to abiotic stress, nutrition, but also triggering of diseases) (Fournier, Pellan et al. 2022). In addition to these functional roles, they respond quickly to environmental changes (climate, cultural practices) which could make them good bioindicators of the functioning of the wine ecosystem.

Terroir in Slovak viticulture area

Terroir method has been used for assessment of growing site in the world for years. In Slovakia actually regionalisation is used as the similar method which does not cover all the elements of wine quality evaluation however.

Simgi® platform as a tool for the study of wine active compounds in the  gastrointestinal tract

Simgi® platform pursues the need for dynamic in vitro simulation of the human gastrointestinal tract optimized and adapted to food safety and health fields. The platform has confirmed the model’s suitability since its first’s studies with the consistency between the simulated colonic metabolism of wine polyphenols and the metabolic evolution observed with the intake of wine in human intervention studies [1].