Caffeine is a bitter-tasting white crystalline purine, a methylxanthine alkaloid chemically related to the adenine and guanine bases of deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Purine is the basic raw material for the synthesis of genetic material in all living things. Caffeine (English: caffeine) is a xanthine alkaloid compound. Caffeine is mainly found in the fruits and leaves of coffee tree, tea tree, Paraguayan holly (mate tea) and guarana, but also exists in the cocoa tree, kola nut and modern tea holly tree. Definition Caffeine is a molecule that has stimulating effects on the central nervous system and cardiovascular system. It is found in coffee, tea, cocoa, soda and energy drinks. The caffeine in coffee acts faster than the caffeine in tea. It can reduce fatigue and allow you to.
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