Beer Maverick
Sourvisiae Yeast from Lallemand

Sourvisiae

From: Lallemand
Type: Yeast  •  Packet: Dry
Species: Saccharomyces cerevisiae

Sourvisiae is a bioengineered ale yeast strain (Saccharomyces cerevisiae) capable of producing lactic acid during fermentation to provide brewers with an easy, reproducible, and mono-culture product for sour-style beer production. Sourvisiae contains a single genetic modification, a lactate dehydrogenase gene from a food microorganism, which enables the yeast to produce high levels of lactic acid, the main compound that gives sour beers their flavor. Sourvisiae allows the brewer to ferment and sour the beer in one simple step, reducing cross-contamination risks, lowering costs, cutting total process time, and allowing brewers to obtain a consistent product. The brewing process is conducted without any modifications; Sourvisiae is pitched just like conventional yeast and ferments in a normal fermentation time. Sourvisiae does not produce other flavor compounds associated with Brettanomyces, Lachancea, or Lactic Acid Bacteria, providing a cleaner and more reproducible souring process, with much shorter fermentation times.

#Tangy  #sour  #slightly fruity  

Brewing Properties of Sourvisiae

The functional properties of brewing yeasts have a direct impact on the performance, quality and economics of the resulting beer.

Alcohol Tolerance
The alcohol tolerance determines the ABV at which yeast cells go dormant and stop fermenting.
Unknown
Attenuation
Attenuation refers to the percentage of sugars converted to alcohol and carbon dioxide, as measured by specific gravity.
Medium-High%
Flocculation
Flocculation refers to the tendency of yeast to form clumps called "flocs" that drop in order to make the beer clear.
Medium-High
Optimal Temperature
The optimal temperature is the range in which the yeast performs best without putting off any off-flavors. Pitching the yeast into wort usually happens at the low end of the temperature range.
59-72° F
(15-22° C)

Common Beer Styles using Sourvisiae

These are the most popular beer styles that make use of the Sourvisiae yeast:

Brett, Sour, Farmhouse


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