Caffeine (Theine)
Tea caffeine — 20-90mg per cup moderated by L-theanine for smoother energy than coffee.
Faits essentiels
- Formule chimique
- C₈H₁₀N₄O₂
- Quantité typique par tasse
- 40,00 mg
Description
A xanthine alkaloid that stimulates the central nervous system, present in tea at 20-90mg per cup depending on tea type, brewing method, and leaf quality. Tea caffeine (historically called 'theine' before chemical identity was confirmed) is modulated by L-theanine, creating a gentler, more sustained alertness compared to coffee. Young buds and tips contain more caffeine than mature leaves. Shade-grown teas accumulate more caffeine. Caffeine content decreases with successive infusions.
Bienfaits pour la santé
Central nervous system stimulation improving alertness and reaction time, enhanced physical performance and endurance, metabolic rate increase, cognitive function support, reduced risk of certain neurodegenerative conditions.