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Caffeine is a chemical compound found in a variety of plants. I was tought this by my coolies science teacher. Here is the source:

Caffeine is a bitter, white crystalline xanthine alkaloid that acts as a psychoactive stimulant drug. Caffeine was discovered by a German chemist, Friedrich Ferdinand Runge, in 1819. He coined the term "kaffein", a chemical compound in coffee, which in English became caffeine.[3] Caffeine is also part of the chemical mixtures and insoluble complexes guaranine found in guarana, mateine found in mate, and theine found in tea; all of which contain additional alkaloids such as the cardiac stimulants theophylline and theobromine, and often other chemicals such as polyphenols which can form insoluble complexes with caffeine.[4] by solian.

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16y ago

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