Concept:Eugenol is a natural phenolic compound mainly found in certain spices and essential oils.
Explanation:Eugenol is the major component of clove oil, obtained from the dried flower buds of the clove plant (
Syzygium aromaticum).
Indian gooseberry is rich in vitamin C, not eugenol.
Wintergreen contains methyl salicylate, not eugenol.
Citrus fruits contain limonene and citric acid, not eugenol.
Hence, among the given options, clove is the correct natural source of eugenol.
Answer:Option A – Clove