Lalvin QA23™ was selected in Portugal by the University of Tras os Montes e Alto Douro (UTAD) in cooperation with Viticultural Commission of Vinhos Verdes region.

Lalvin QA23™ has a very high β-glucosidase activity, an enzyme which helps to cleave non-volatile aromatic compounds into their volatile state contributing to varietal / terroir fruit expression.

Known for its reliability and robustness, Lalvin QA23™ tends to ferment well in clarified juice, low in nutrients.