Fabian Weber and Pascal Wegmann-Herr will present on their research paper that reveals the impact of stilbenes on malolactic fermentation. Many disease-resistant grape cultivars contain greater amounts of stilbenes due to their role as phytoalexins, which have antifungal properties. In a synthetic wine medium, the researchers looked at the impact of MLF on five identified stilbenes in combination with various lactic acid bacteria, showing a variable rate of malic acid breakdown in the presence of these stilbenes, depending on the LAB strain.
Megan Hall, Terroir Consulting Group, Oregon
Fabian Weber, University of Kassel, Germany
Pascal Wegmann-Herr, DLR Rheinpfalz, Germany
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