Theophylline (Theacrine,1,3,7,9-tetramethyluric acid) is a purine alkaloid of Chemicalbook found in the leaves of wild bitter tea (CamelliakuchaHungT.Chang). Its molecular structure is one more methyl group than the common caffein in tea. . It is precisely because there is one more methyl group than caffein, theophylline has a completely different physiological function and health effect from caffein.

Function & Application of  Tolnaftate

Theophylline is a methyl purine drug. It has the effects of strengthening the heart, diuresis, dilating coronary arteries, relaxing bronchial smooth muscles and exciting the central nervous system. Mainly used to treat bronchial asthma, emphysema, bronchitis, cardiac dyspnea.

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