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Fennel at a Glance
Foeniculum vulgare is an aromatic perennial in the Apiaceae family. Its feathery leaves, yellow umbels and ridged aromatic fruits are familiar in kitchens and herbal traditions around the world.
Food and Parts Used
The bulb-like leaf bases of Florence fennel, tender leaves and mature fruits commonly called fennel seed are all used as food. The fruits contain volatile compounds including anethole. Essential oil is far more concentrated than culinary herb or seed.
Traditional Use
Fennel seed has long been used as an aromatic digestive or carminative after meals. It also appears in traditional preparations for menstrual comfort and in some historical lactation formulas. These traditions do not prove treatment of digestive or hormonal disorders.
Research
Small studies have investigated fennel preparations for infant colic and menstrual symptoms, but products and doses vary and the evidence is not broad enough for sweeping claims.
Safety
Culinary use is generally well tolerated. Allergy is possible, especially in people sensitive to celery, carrot, coriander, dill or other Apiaceae plants. Concentrated fennel essential oil should not be treated as equivalent to seed tea. Estragole and other constituents raise greater concern at concentrated or prolonged exposures than at normal food use. Medicinal-dose safety during pregnancy is not well established.
Folklore
Fennel has been linked in European folk tradition with protection, clarity and household luck. These are cultural correspondences, not medical properties.
Bottom Line
Fennel is both a food plant and a traditional digestive herb. Keep culinary use and concentrated extracts clearly separated. For educational purposes only.