Lalvin ICV QA23 Wine Yeast

Aromatic White Wine Yeast for Crisp, Fruity Styles

Lalvin QA23 is prized for producing fresh, aromatic white wines with intense fruit character. Originally selected in Portugal, this strain excels in Sauvignon Blanc and other aromatic varietals. It delivers clean fermentations at cooler temperatures and preserves delicate esters, letting the fruit shine.

QA23 Fermentation Notes

• Alcohol Tolerance: up to ~16%
• Temperature Range: 59–90°F (best results at cooler to moderate temps)
• Fermentation Speed: steady, reliable
• Nutrient Needs: moderate; benefits from balanced nutrition

QA23 Flavor & Aroma

• Enhances tropical fruit, citrus, and floral aromatics
• Clean, bright finish with fresh acidity
• Strong ester retention at cooler fermentation temps

QA23 Best Uses

• Sauvignon Blanc
• Pinot Grigio / Pinot Gris
• Chardonnay (especially unoaked styles)
• Aromatic blends and other fruit-forward whites

QA23 Winemaker Tips

• Ferment around 59–64°F to maximize aromatic lift.
• Excellent for fresh, early-drinking white wines.
• Pair with balanced nutrients for the cleanest profile.