Question

The presence of nicotine-like stimulant action with methyl xanthines is associated with

• A. Theobroma coca
• B. Ephedra sinica
• C. Atropa belladonna
• D. Camellia sinensis

Hint:

Tea, obtained from Camellia sinensis, contains caffeine, a methyl xanthine stimulant.

Answer 1

The Correct Option is D

Concept:
Methyl xanthines are stimulant compounds such as caffeine, theophylline, and theobromine. They are found in certain plant sources.

Step 1: Understanding Camellia sinensis.
Camellia sinensis is the tea plant. Tea contains methyl xanthines, especially caffeine.

Step 2: Stimulant action.
Caffeine produces central nervous system stimulation. This stimulant action may be compared with nicotine-like stimulant effects in a broad pharmacognostic sense.

Step 3: Checking other options.
Ephedra sinica contains ephedrine.
Atropa belladonna contains tropane alkaloids such as atropine.
Theobroma coca option is not the correct answer here according to the given paper.
Camellia sinensis is associated with methyl xanthines.

Step 4: Final answer.
Therefore, the correct answer is Camellia sinensis. \[ \boxed{\textit{Camellia sinensis}} \]