Food chemistry (stimulants): Identify the principal active constituent responsible for the stimulant effect of tea and coffee. Think of the purine alkaloid found in both beverages. Choose the correct option.
IIT JEE
Chemistry
Difficulty: Easy
Choose an option
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ACaffeine
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BTheobromine
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CNicotine
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DTannin
Answer
Correct Answer: Caffeine
Explanation
ConceptThe main psychoactive stimulant common to both tea and coffee is the alkaloid caffeine. Tea also contains theophylline and tannins; cocoa contains theobromine.
Final AnswerCaffeine