Lalvin S6U - Yeast from Lallemand

Lalvin S6U Wine Yeast for Aromatic White Wine, Rosé, Cider & Mead – Floral, Spicy & Complex

Yeast strain: Natural hybrid between Saccharomyces cerevisiae and Saccharomyces bayanus

Lalvin S6U™ from Lallemand is an aromatic wine yeast particularly suited to dry white wines and styles where enhanced varietal character, floral and spicy aromas, softness, mouthfeel and complexity are desired. Its high glycerol production contributes additional body and a smooth, rounded sensory profile.

Lalvin S6U White Wine Yeast – Aroma, Glycerol & Mouthfeel

• Enhances varietal character with particular emphasis on floral and spicy notes
• Produces very high levels of glycerol, contributing to a fuller, softer and smoother mouthfeel
• Particularly suitable for aromatic and dry white wines, including Chardonnay and Semillon
• Also suitable for rosé and selected red wines
• Performs well during cool fermentation and maintains good fermentation activity at low temperatures
• Moderate fermentation rate
• Low nutritional requirements under suitable fermentation conditions
• Low SO2 production
• Alcohol tolerance up to 15%
• Compatible with subsequent MLF (malolactic fermentation)

Lalvin S6U for Floral & Spicy Aromatic Wines

Lalvin S6U is particularly interesting when the objective is not simply a reliable fermentation, but also greater sensory complexity. The yeast enhances varietal aromas and contributes floral and spicy notes, while its production of ethyl esters and aromatic alcohols can add further aromatic dimension.

Its very high glycerol production contributes to mouthfeel, softness and structure, making Lalvin S6U particularly relevant for aromatic white wines and full, complex wine styles.

Lalvin S6U for Chardonnay, Semillon, White Wine & Rosé

Lallemand particularly recommends Lalvin S6U for dry white wine production. Suitable grape varieties include Chardonnay and Semillon, as well as Sauvignon Blanc, Cortese, Trebbiano, Malvasia and other varieties where varietal expression, floral character and mouthfeel are important.

The broad application range also makes Lalvin S6U suitable for rosé and selected red wines. For cider, fruit wine and mead fermentation, S6U can be an interesting choice when a floral, spicy and fuller sensory profile is desired.

Lalvin S6U – Fermentation Characteristics

• Fermentation temperature: 10–30 °C
• Best performance depends on fermentation conditions and appropriate yeast nutrition
• Alcohol tolerance: up to 15%
• Nutritional requirement: low
• Fermentation rate: moderate
• Glycerol production: very high
• SO2 production: low
• MLF compatibility: recommended

Lalvin S6U Wine Yeast – Dosage & Storage

• Recommended dosage: 20–40 g/hL, depending on fermentation conditions
• Fermentation temperature: 10–30 °C
• Alcohol tolerance: up to 15%
• Store Lalvin S6U™ dry and sealed in its original airtight or vacuum packaging according to the storage instructions on the pack

View the Lalvin S6U technical data sheet from Euroyeast by Nordisk SelvForsyning for Lallemand Wine here

Select the desired quantity of Lalvin S6U when ordering.