What is Teina
Generally, the term theine is used as a synonym for caffeine, with particular reference to that contained in tea leaves (Camellia sinensis). Even if it would seem unreasonable, we could therefore say that coffee is rich in theine and tea in caffeine, without making any mistake.
Theine in Tea
Although the tea leaves contain - for the same weight - greater quantities of theine, the concentrations in the infusion are normally lower than those of a cup of coffee. Much depends on the extraction techniques (more or less long duration of the infusion). and preparative (generally, black tea contains more caffeine than oolong, which in turn contains more than green tea).
To learn more about the effects of theine on the body, you can read the article dedicated to caffeine.
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