Zymaflore® ST

Zymaflore® ST – Special yeast for white sweet wines and ripenable white wines

Zymaflore® ST is a selected active pure dry yeast (Saccharomyces cerevisiae) from one of the following: terroir-collection from Sauternes. It was specially designed for the production of White sweet wines and Dry white wines with high ripening potential developed.

The yeast shows a Very high sugar tolerance and is special Sensitive to sulfur dioxide. This makes it ideal for sweet wines, in which the fermentation is to be stopped specifically by SO2. At the same time, Zymaflore® ST only produces Low quantities of SO2 binding partners such as acetaldehyde or pyruvate.

Zymaflore® ST enables production Clear, elegant wines with low influence of the flavor and preserves them. Pureness and finesse of the grapes. It is particularly suitable for Chardonnay, Grauburgunder, Ruländer, Sémillon and Viognier.

Benefits at a glance

• Special yeasts for white sweet wines
• Also for dry white wines with ripening potential
• Very high sugar tolerance
• Low formation of SO2 binding partners
• Sensitive to SO2 for targeted fermentation stop

Fermentation properties

• Alcohol tolerance: up to 15 % vol.
• Optimal fermentation temperature: 14–20 °C
• High nitrogen demand
• Low formation of volatile acid and H2S

Application & Dosage

• Dosage: 20–30 g / hL
• Rehydrogenation exactly as specified by the manufacturer
• Temperature differences </i; Avoid 10 °C
• Pre-source time maximum 45 minutes

Field of use

Alcoholic fermentation of musts For white sweet wines or dry white wines With high maturity potential in the professional cellar industry.