Decaffeinated Coffee
Decaffeinated coffee is Coffee from which most of the Caffeine has been removed. The process, known as Decaffeination, aims to retain the flavor profile of the bean while reducing stimulant content.
Processing Methods
Decaffeination typically occurs before roasting, using one of several solvent-based or solvent-free methods to extract caffeine:
- Solvent-based processes: Use chemical solvents (such as methylene chloride or ethyl acetate) to dissolve caffeine.
- Water process (Swiss Water Process): Uses water and activated charcoal filters to remove caffeine without chemicals.
- Supercritical CO2 process: Uses pressurized carbon dioxide as a solvent to extract caffeine selectively.
For a detailed breakdown of these scientific methods and their historical development, see Decaffeination and De-alcoholization Processes: History and Scientific Methods.
Characteristics
- Caffeine Content: Not entirely caffeine-free; typically retains 2-7 mg per cup compared to 95 mg in regular coffee.
- Flavor Profile: Modern methods preserve most aromatic compounds, though some argue a slight difference in body or acidity.
- Health Implications: Lower risk of caffeine-related side effects (jitters, insomnia) while maintaining antioxidant benefits.
Related Concepts
- Coffee
- Caffeine
- non-alcoholic-beverages