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What is a common characteristic of a lager compared to an ale?

  1. Higher fermentation temperature

  2. Lower fermentation temperature

  3. More fruity esters

  4. Higher hop bitterness

The correct answer is: Lower fermentation temperature

Lagers are characterized by a fermentation process that occurs at lower temperatures compared to ales. Typically, lagers ferment between 45°F and 55°F (approximately 7°C to 13°C), which is significantly cooler than the fermentation temperatures for ales, which usually range from 60°F to 75°F (about 16°C to 24°C). This lower fermentation temperature leads to a slower fermentation process and results in a cleaner, crisper beer profile with fewer fruity esters and phenols than ales. Ales, due to their warmer fermentation temperatures, tend to produce more pronounced fruity and spicy flavors. Understanding this difference is crucial for recognizing how fermentation temperature influences the flavor and aroma characteristics of beer styles, distinguishing lagers from ales.