1.8 How much theobromine/theophylline there is in ...?

Sources: Physicians Desk Reference and Institute of Food Technologies from Pafai and Jankiewicz (1991) DRUGS AND HUMAN BEHAVIOUR

Cocoa 250mg theobromine
Bittersweet choc. bar 130mg theobromine
5 oz cup brewed coffee no theobromine
Tea 5oz cup brewed 3min with teabag 3-4 mg theophylline
Diet Coke no theobromine or theophylline