It is the name of an especially diuretic alkaloid. It is found in black tea and green tea and is from the caffeine and theobromine family (methylxanthine family). It is a strong bronchodilator and stimulant of the central nervous system.
Theophyllinerefers to a certain type of alkaloid found in black tea and green tea, is a central nervous system stimulant, bronchodilator. and is also used as a diuretic. -