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Lalvin BM4x4

Selected by the Consorzio del Vino Brunello de Montalcino and the University of Siena, Italy

Specie
Saccharomyces cerevisiae cerevisiae

Competitive Factor
Active

General Sensory Contribution
Varietal

Red Wine

White Wine

Rosé Wine

High Brix Juice

Restart Stuck Ferment

The attributes of BM45 with optimized fermentation capacity

BM 4X4® is a blend of BM45™ and another yeast known for its fermentation reliability. BM45™ is known and appreciated around the world for its round mouthfeel and stable color (see above description for BM45). However, BM45™ is a slow fermenter and can require substantial nutrients to complete fermentation successfully and without the production of sulfides. While BM45™ has a very strong following among winemakers who enjoy its slow fermentation and its suitability for long maceration programs, there are others who desire the attributes of BM45™ but with a more timely and secure fermentation. BM 4X4® achieves this goal. During the yeast growth phase, BM 4X4® has the unusual capacity of releasing a significant quantity of polyphenol-reactive polysaccharides into the fermenting must. The quantity and the quality of the polysaccharides released during fermentation facilitate the production of red wines with great mouthfeel and improved color stability, with dependable fermentation kinetics under difficult fermentation conditions. In whites, BM 4X4® releases a high level of esters responsible for fruit aromas and also brings roundness to the mouthfeel. For more information please contact our distributor.

Fermentation Speed
Moderate

Lag Phase
Moderate

MLF Compatibility
Not really recommended

Nitrogen Needs
High

Alcohol Tolerance
16 %

Volatile Acidity
Moderate

SO₂ Production
Moderate

Max. Temperature
28 °C

Min. Temperature
16 °C

H₂S 170ppm
Low

H₂S 60ppm
Moderate

Suitability for co-Inoculation
Very recommended

Acetaldehyde Production
High

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