The three main vital methylxanthines are theobromine, caffeine, aminophylline and theophylline.
The blood pressure and peripheral vascular resistance are slightly raised by normal consumption of methylxanthine- containing beverages. Methylxanthines also have relaxing and anti-inflammatory effects.
Theobromine |
Methylxanthines (caffeine and theobromine) impart bitterness an during fermentation of cocoa, the levels of methylxanthines fall by around 30% probably by diffusion from the cotyledans.
Methylxanthines