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Advanced Cicerone® · Beer Flavor and Evaluation

Esters

Syllabus Path

Advanced candidates should study esters as part of specific beer flavor compounds, connecting the syllabus heading to accurate flavor description, source attribution, and style-fit judgment.

  1. III. Beer Flavor and Evaluation
  2. C. Specific beer flavor compounds
  3. 2. Esters

Exam Focus

  • Explain esters as a sensory evaluation topic within Specific beer flavor compounds.
  • Use specific evidence such as appearance, aroma, taste, mouthfeel, finish, intensity, likely compound, and production or handling context.
  • Apply the topic to accurate flavor description, source attribution, and style-fit judgment rather than repeating the heading alone.

Core knowledge

  • Isoamyl acetate gives banana; ethyl acetate can be pearlike at low levels and solventlike at high levels; other esters can suggest apple, berry, tropical fruit, or perfume.
  • Ester intensity depends on yeast strain, fermentation temperature, pitching rate, oxygen, wort gravity, nutrient status, and pressure.
  • Esters are expected in many English, Belgian, and wheat beer styles but can be distracting in clean lager or neutral ale profiles.

Study application

Connect ester profile to yeast expression and style target before calling it a fault.

Key Terms

Isoamyl acetate
Isoamyl acetate gives banana; ethyl acetate can be pearlike at low levels and solventlike at high levels; other esters can suggest apple, berry, tropical fruit, or perfume.
Ester intensity
Ester intensity depends on yeast strain, fermentation temperature, pitching rate, oxygen, wort gravity, nutrient status, and pressure.

References

2 available