YEASTS
SIHA Active Yeast 10 (Red Roman)
SIHA Active Yeast 10 (Red Roman) is a dry pure culture yeast which has particular advantages for the fermentation of red wine mash and red wine must. Along with color retention, advantages include rapid fermentation activation, reliable ongoing fermentation even in unfavorable conditions, a high alcohol tolerance and low SO2 production. In addition, SIHA Active Yeast 10 (Red Roman) increases the yield of sense-affecting polysaccharides. This yeast strain is excellently suited to southern wine varieties. Recommended for the following vine types: Cabernet Sauvignon, Lemberger, Syrah, Zinfandel, Dornfelder, Saint Laurent.
Core Feature
- Especially suited for fermentation of red wine mash and red wine must
- High alcohol tolerance of up to 16% alcohol by vol.
- Rapid fermentation activation and good ongoing fermentation in temperatures between 59 and 82 °F (15 – 28 °C)
- Strain with killer properties; is therefore able to counteract wild yeasts
- Increased yield of sense-affecting polysaccharides
- Biological acid decomposition is recommended
Suitable For
- Cabernet Sauvignon, Lemberger, Syrah, Zinfandel, Dornfelder, Saint Laurent
| Application | Quantity required lb/1,000 gal (g/hl) under the following fermentation conditions | |
|---|---|---|
| Normal | Difficult | |
| Red wine mashes | 1.2–2 (15–25) | 2–2.5 (25–30) |
| Red wine musts | 0.8–1.6 (10–20) | 1.6–2.5 (20–30) |