GENERAL KNOWLEDGE

Detailed explanation-1: -The correct answer is caffeine. Caffeine is the main active constituent of tea and coffee. Caffeine works by stimulating the central nervous system (CNS), heart, muscles, and the centres that control blood pressure.

Detailed explanation-2: -Caffeine is xanthine alkaloid that occurs naturally in seeds, leaves and fruit of several plants and trees that acts as a natural pesticide. Caffeine is a major component of coffee, tea and chocolate and in humans acts as a central nervous system (CNS) stimulant.

Detailed explanation-3: -Tea leaf contains a very large amount of polyphenols, which is the most specific feature of tea. These phenolics are catechins, flavanols, leucoanthocyanines and phenolic acid and their derivatives. Among them catechins are predominant. Caffeine and amino acids are also known as important components.

Detailed explanation-4: -Caffeine (1, 3, 7-trimethylxanthine) is the main active ingredient of coffee. It is a natural alkaloid that, together with theophylline (1, 3-dimethylxanthine), theobromine (3, 7-dimethylxanthine), and paraxanthine (1, 7-dimethylxanthine), belongs to methylxanthines.

Detailed explanation-5: -Caffeine consumption also affects your kidneys. This is why the answer to the question, “Is coffee a diuretic?” is yes. Recent studies show that caffeine causes diuresis-also known as increased urination.