How is the stimulant in mate tea different from caffeine?

Posted by Caffe | Posted in Diet & Fitness | Posted on 06-03-2010

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Lawrence asked:


I recently had a heart attack, and the doctors tell me caffeine can affect the heart’s rhythm.

I have been told that mate tea contains a stimulant similar to caffeine, but not the same and it doesn’t make you as jittery.

Does anyone know how the mate stimulant is different from regular caffeine?

What is the empirical formula of caffeine?

Posted by Caffe | Posted in Chemistry | Posted on 06-02-2010

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◘•CharM•◘ asked:


This is the one.
Caffeine which occurs in coffee, tea and kola nuts, is a stimulant for the central nervous system. A 1.261 g sample of pure caffeine contains 0.624 g of carbon, 0.65 g of hydrogen and 0.208 g oxygen. What is the empirical formula of caffeine?

Hello everyone! Could anyone answer this for me? Thanks!