Fenchone is a bicyclic monoterpene ketone, with the two enantiomers (+)- and (-)-fenchone.
insoluble in water, highly soluble in ethanol
Fenchone may be found in fennel, rosemary, hops, nutmeg, and pine oil, in hemp, and the peel of various citrus fruits. This substance has a bitter taste and smells of camphor.
Fenchone has an antiseptic effect and inhibits the growth of fungi and bacteria. In addition, it is used in the treatment of mild inflammations of the upper respiratory tract. Further indications are urinary tract infections and intestinal complaints. In higher doses, it has a stimulating effect on the human organism.