ExperimentPlanned

The Effect of Extraction Temperature on Espresso Character

Investigating how changes in brew temperature influence espresso extraction, flavour clarity, sweetness, and bitterness.

Question

How does brew temperature affect espresso flavour when all other variables are kept consistent?

Hypothesis

Higher extraction temperatures may increase extraction of less soluble compounds, potentially increasing body and bitterness, while lower temperatures may preserve more delicate flavours.

Coffee

Coffee: TBD

Dose: 18g

Yield: 36g

Ratio: 1:2

Method

temperature 1

Pending

temperature 2

Pending

temperature 3

Pending

Results

Pending

Conclusion

Pending

Limitations

  • Sensory evaluation is subjective.
  • Only one coffee may be tested initially.
  • Human preference may influence scoring.

Next Steps

Repeat with additional coffees to determine whether results are coffee-specific.



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