Alternatives to sulfur dioxide for controlling Brettanomyces spoilage in wine
Background
Brettanomyces is a yeast associated with wine spoilage, particularly during storage. Sulfur dioxide (SO2) is the most commonly approach used to control this yeast (Harris et al 2010). However, the use of SO2 has several downsides, including the potential to develop resistance (Curtin et al 2012).
Objectives/aims
Novel approaches to avoid SO2 in managing Brettanomyces such as biological agents including peptides (yeast killer factors) and/or enzymes (β-glucanase) and physical method of control (low voltage, high pressure, UV treatment) will be investigated. The development of rapid/real-time sensors for Brettanomyces might also contribute to management of this spoilage organism. This project would take advantage of current joint research between the AWRI and UoA on this topic.
Project leader
Associate Professor
Paul Grbin
University of Adelaide
Other investigators
Dr
Anthony Borneman
AWRI
Dr
Jean Macintyre
Pernod Ricard Winemakers
Industry partners
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