What is Caffeine?

Molecule of caffeine – ever seen it before?

Chemical name of Caffeine:
or also known as


The major pharmacologically active ingredient in coffee is the central nervous system stimulant, caffeine, known chemically as 1,3,7-trimethylxanthine. The dimethylxanthine derivatives, theophylline and theobromine, are also found in a variety of plants. Caffeine occurs naturally in the leaves, seeds or fruit of more than 60 plant species, one of which is coffee.

Robusta bean contains : 1.8 – 3.8% caffeine by weight.

Arabica bean contains: 0.9-1.5% caffeine by weight.