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New Diagnostic Test Aims to Prevent Wines with ‘Barn-Yardy' Odor from Brettanomyces

Invisible Sentinel Inc. and Jackson Family Wines on Monday launched Veriflow BRETT, a diagnostic test designed to rapidly detect a wine-­spoiling yeast.

The Philadelphia medical device company formed a partnership with the California winery in January to test applications of its proprietary Veriflow technology — used to detect the presence of specific microorganisms and pathogens in food and beverages — in the wine industry.

Brettanomyces, the wine-­spoiling yeast, produces compounds that, in excess, can foul the taste of wine and give it a “barn-yardy” odor. Current methods of on-site testing for Brettanomyces, according to the companies, are time-consuming. As a result, the yeast can continue to accumulate before corrective measures are initiated and more product is subject to spoilage.

“Our collaboration with Jackson Family Wines has expedited the development and commercialization of a paradigm changing tool for rapid detection of Brettanomyces at the winery,” said Nick Siciliano, CEO of Invisible Sentinel.

Hugh Reimers, executive vice president and chief operating officer of Jackson Family Wines, said, Veriflow BRETT is easy to use and it quickly informs winemakers of Brettanomyces levels. Reimers said they are already seeing interest in the diagnostic product from other vintners across the globe.

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