Falcarindiol is a polyyne found in carrot roots which has antifungal activity.

[1][2] Falcarindiol is the main compound responsible for bitterness in carrots.

[3] Falcarindiol and other falcarindiol-type polyacetylenes are also found in many other plants of the family Apiaceae, including some commonly used seasonings such as dill and parsley.

[4] A variety of bioactivities have been reported for falcaridiol and the falcarindiol-type polyacetylenes,[5][6][7] and because of potential health-promoting metabolic effects these compounds are studied as potential nutraceuticals.

[8] Falcarindiol is the most-active among several polyynes found in Devil's club (Oplopanax horridus) that inhibit cell proliferation.