Terra Rosso
SIHA Terra Rosso is a selected pure yeast from Croatia offering special characteristics for red must and red mash. It produces fine fruity wines with a grape varietal aroma profile, and is suitable for spicy, dark-colored red wines (Terran, Cabernet Sauvignon, Merlot).
Technical Specifications
The selection work succeeded in achieving to reduce the color adsorption by the yeast and therefore to gain a better color stability. Wine fermented with SIHA Terra Rosso has a typical grape varietal aroma with tannin structure. Further goals and development work were focused on a high fermentation activity and viability.
The yeast strain is characterized by moderate nutritional demand during the alcoholic fermentation. SIHA Terra Rosso can produce up to 16.0% alcohol by volume. The practical alcohol yield is approximately 47% of the sugar content. For each lb (kg) of sugar fermented, approximately 546 kJ (130 kcal) of heat is released.
Features and Benefits
The specific advantages of SIHA Terra Rosso:
- Moderate nutritional demand
- Up to 16 vol.% alcohol
- Low production of undesirable fermentation side products
- Fast and secure fermentation
- Good color stabilization
Product Applications
Musts should be inoculated with SIHA Terra Rosso as early as possible. Longer maceration times promote uncontrolled propagation of wild yeast and undesired bacteria.
SIHA Terra Rosso should be stirred into 10 times the quantity of a must/water mixture at 90–95°F (32–35°C), stirred again after 15 minutes, and then added to the must or mash. The addition of SIHA® SpeedFerm® at 1.67 lb/1,000 gal (20 g/hl) supports the rehydration.
The fermentation range is between 64.4–82°F (18–28°C). The optimum fermentation start temperature is 61°F (16°C) when inoculated with SIHA Terra Rosso.
The addition of 0.005 lb SIHA® Vitamin B1 yeast nutrient fermentation aid per 1,000 gal (600 mg per 1,000 l) creates even better reproduction, fermentation, and metabolic conditions.
Under difficult conditions with red wine mashes, the addition of 20 g/hl SIHA® PROFERM® Red yeast nutrient is recommended. The relevant national legislation has to be observed.
