Question

Which from following is useful to extract analgesic and antimicrobial compounds?

• A. Turmeric
• B. Cinnamon
• C. Citrus fruit
• D. Clove

Hint:

Whenever a chemistry or biology question mentions "toothache" or "analgesic" in the context of natural herbs/spices, the answer is almost universally Clove (specifically targeting its active ingredient, Eugenol).

Answer 1

The Correct Option is D

Step 1: Understanding the Question:
The question expects us to identify a natural plant source from the given options that is widely recognized for yielding chemical compounds displaying both analgesic (pain-killing) and antimicrobial properties.

Step 2: Detailed Explanation:
Let's review the primary chemical uses of the provided botanical sources:
- Turmeric contains curcumin, which is highly prized as a broad-spectrum antiseptic, anti-inflammatory, and coloring agent. It is not traditionally classed as a direct analgesic.
- Cinnamon is used mostly as a flavoring agent and possesses some mild antimicrobial properties.
- Citrus fruit provides vitamin C and citric acid, used mostly as antioxidants and dietary supplements.
- Clove contains a high concentration of an essential oil active compound called Eugenol. Eugenol is a well-documented and highly effective natural local analgesic (pain reliever) and antimicrobial. It has been used for centuries in traditional medicine, specifically in dentistry to treat severe toothaches and oral infections.

Step 3: Final Answer:
Clove is the primary botanical source for these compounds, matching option (d).