Fermivin PRIMATHIOL
Fermivin PRIMATHIOL
HIGH-IMPACT GREEN THIOL EXPRESSION
PURPOSE
Fermivin® PRIMATHIOL is a thiol-releasing yeast for white and rosé wines with a pronounced green thiol profile, suited to Sauvignon blanc and similar varieties.
Performs reliably in moderate-YAN musts at 15–22 °C and in reductive conditions.
Thiol expression can be enhanced with Natuferm® BRIGHT.
Tasting notes
Wines fermented with Fermivin PRIMATHIOL show a pronounced green-thiol profile, with notes of boxwood, fresh leaf, citrus zest, grapefruit and guava. The wines are fresh, direct and expressive, with a clean aromatic lift.
Metabolic characteristics
| SO2 production | < 10 mg/L |
| Volatile acid production | < 0.3 g/L |
| H2S production | Average |
Oenological properties
| Fermentations kinetics | Standard |
| Nutrients requirements | High |
| Alcohol tolerance | 15 % vol. |
| Temperature range | 15-22 °C, 59-72 °F |
Origin
Specie: Saccharomyces cerevisiae var. cerevisiae.
Strain 667 was obtained from Gist-brocades’s wine yeast collection and validated by OENOBRANDS between 2023 and 2025.
Science and Technology
Selected for its IRC7 (L/L) genotype with high β-lyase activity, enabling strong release of 4MMP and 3MH and conversion to 3MHA.
DOWNLOAD THE APPLICATION DATA SHEET
Dosage and Packaging
Fermivin PRIMATHIOL In-Line Ready
Recommended dose: 30 g/hL.
Packaging: 500 g vacuum-sealed packets.
Specification
Fermivin PRIMATHIOL contains more than 10 billion active dry yeast cells per gram.
Storage
Must be stored in its sealed, original packaging in a cool (5-15 °C / 41-59 °F) dry place.
Explore related solutions:
Looking for a more holistic approach to winemaking? Discover our advanced winemaking solutions related to Fermivin PRIMATHIOL.
Looking for something else?
Visit our Solution section, where we provide expert guidance, popular knowledge, and novel approaches arranged by vinification process. From fermentation to filtration/bottling, we’ve got you covered with solutions to improve every step of your winemaking process.
Discover the FERMIVIN range
