Lalvin QA23 is selected on soil types from the area of the appellation of Vinho Verde in Portugal. It is an excellent choice for wine styles like Chardonnay, Sauvignon Blanc, Sémillon, Chardonel and Gewürztraminer.
Microbiological Properties
Saccharomyces cerevisiae
Low nutrient requirements
Low oxygen requirements
Capable of fermenting juice at low temperatures (15°C) to dryness
Excellent thiol converter
Notable complementary yeast for developing passion fruit character in Sauvignon Blanc
Produces large amounts of beta-glucosidase during growth, allowing for the release of bound terpenes in aromatic varieties
Temperature range of fermentation: 15 to 32°C
Fast fermentation speed
Alcohol tolerance up to 16%