A ketone compound found in fennel oil and other plants, used in perfumes and as a flavoring agent.
Derived from 'fennel' combined with the chemical suffix '-one' (denoting a ketone functional group with a double-bonded oxygen). Named in the 19th century when organic chemistry began systematically cataloging plant compounds.
Fenchone is the molecule that gives fennel its distinctive sweet, slightly woody smell—and it's so powerful that even tiny amounts can flavor toothpaste or candy without being overpowering.
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