Green tea (Camellia sinensis) is one of the most popular beverages
in the world [1] and contains around 2–5% mass of caffeine
(1,3,7-trimethylxanthine) in the dry leaves [2]. Some adverse
effectsderivedfromthe excessive consumptionof caffeine are wellknown
[3–5] and thus, the removal of caffeine is desired by several
consumers.