Lalvin QA23, selected on soil types from the area of the appelation of Vinhos Verdes in Portuga offers qualities of fermentive security bound to a weak demand in assimilable nitrogen and O2.
Lalvin QA23 is an excellent choice for wine styles like Chardonnay, Sauvignon Blanc, Sémillon, Chardonel and Gewürstraminer.
MICROBIOLOGICAL AND OENOLOGICAL PROPERTIES
Low nutrient requirements
Low oxygen requirements
Capable of fermenting juice at low temperatures (15°C/59°F) to dryness.
Excellent thiol converter
Notable complementary yeast for developing passion fruit character in Sauvignon Blancs
Produces large amounts of beta-glucosidase enzyme during growth, allowing for the release of bound terpenes in aromatic varieties
Temperature Range of fermentation: 15°C to 32°C
Fast fermentation speed
Tolerance to alcohol: 16%