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What is The Role of Fines in Espresso Extraction Dynamics about?

This study investigates the influence of fines in the particle size distribution of coffee grounds on espresso extraction dynamics. It finds that an increased share of fines decreases coffee bed permeability, leading to reduced flow rates and longer extraction times, while also affecting aroma compound concentrations in the final brew. A statistical model confirms the relationship between particle size distribution and extraction efficiency, suggesting that both extraction yield and evaporative losses influ

Author

jovianwu1001

Language

EN