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What is Caffeine Variability in Espresso Coffee about?

This document summarizes a study analyzing the caffeine and chlorogenic acid content of 20 different espresso coffees from high-street coffee shops. The study found a 6-fold difference in caffeine levels between coffees and up to 322 mg of caffeine in a single espresso, exceeding recommended daily limits. The caffeine and acid content varied significantly depending on bean variety, preparation methods, and amount of beans used. The study suggests published caffeine estimates for coffee may be misleading and

Author

Erika Tadevosjan

Language

EN