What is the ideal yeast pitch temperature range for Saccharomyces cerevisiae?

The ideal yeast pitch temperature range for Saccharomyces cerevisiae, which is a common yeast used in brewing, is indeed between 15-25°C. This temperature range is crucial for several reasons.

Firstly, Saccharomyces cerevisiae is a warm-fermenting yeast that thrives at higher temperatures compared to other strains. The optimal temperatures enable the yeast to become active quickly, resulting in efficient fermentation. When pitched in this range, the yeast is more likely to produce desirable fermentation characteristics, such as balanced flavor profiles and aromatic compounds, while minimizing off-flavors that can occur at lower temperatures.

Additionally, this temperature allows for a quick rise in fermentation activity, which is important in preventing contamination by wild yeasts or bacteria. Overly low temperatures, such as those found in the other choices provided, can lead to sluggish fermentation or even dormant states, which negatively impact the brewing process and final beer quality.

In summary, pitching Saccharomyces cerevisiae within the 15-25°C range ensures optimal fermentation dynamics and successful beer production.