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Harilik apteegitill

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Fennel

Classification (APG IV)
KingdomPlantae
CladeTracheophytes
CladeAngiosperms
CladeEudicots
Clade: Asterids
OrderApiales
FamilyApiaceae
GenusFoeniculum
Species: Fennel - Foeniculum vulgare Mill.

Botanical Description
Fennel is a perennial, aromatic herb belonging to the Apiaceae family. The plant can grow up to 2.5 meters tall. The stem is hollow, erect, bluish-green, and finely grooved. The leaves are pinnate, with thread-like segments. The inflorescence is a compound umbel containing numerous small flowers. The primary umbel has 6–29 (sometimes up to 40) rays, while the secondary umbels contain 14–39 flowers, each with pedicels ranging from 2 to 10 mm in length. The involucral bracts are absent.

The flowers are radially symmetrical (actinomorphic), with a simple, pentamerous perianth. The corolla is yellow, and the petals measure up to 1 mm in diameter. The fruit is a dry schizocarp, splitting into two mericarps when mature. [1,2]

Distribution
Fennel is native to the Mediterranean coastal regions but has become widely naturalized in many parts of the world, especially in coastal and riverbank areas with dry soils. [3]

Effects and Usage
The fleshy bulb of fennel contains sugars, starch, proteins, and essential minerals, including calcium, potassium, phosphorus, and iron salts, as well as provitamin A, vitamins B1, B2, C, and E. The seeds and leaves contain essential oils, along with fixed oils, proteins, and small amounts of sugar. Fennel has an appetite-stimulating and digestive-enhancing effect. Eating the bulb improves metabolism, while fennel leaves and seeds are used in herbal teas for colds and kidney function regulation.

Fennel has been used in traditional medicine worldwide for a variety of health conditions. It has been applied internally for stomach pains, nausea, arthritis, cancer, infant colic, conjunctivitis, constipation, poisoning, diarrhea, fever, bloating, gastritis, insomnia, irritable bowel syndrome, kidney disorders, urinary problems, leukorrhea, liver pain, and mouth ulcers. Additionally, fennel has been used as an emmenagogue (to promote menstruation) and as a mild laxative. [2-4]

References
1. WFO (2024): Foeniculum vulgare Mill. Published on the Internet; http://www.worldfloraonline.org/taxon/wfo-0000691487. Accessed on: 05 Jan 2024.
2. Wikipedia contributors. (2023, December 23). Dill. In Wikipedia, The Free Encyclopedia. Retrieved 05:46, January 5, 2024, from https://en.wikipedia.org/w/index.php?title=Dill&oldid=1191468654.
3. Shamkant B. Badgujar, Vainav V. Patel, Atmaram H. Bandivdekar. Foeniculum vulgare Mill: A Review of Its Botany, Phytochemistry, Pharmacology, Contemporary Application, and Toxicology, BioMed Research International, vol. 2014, Article ID 842674, 32 pages, 2014. https://doi.org/10.1155/2014/842674.
4. Ravalepik, A. (n.d.). Fennel treats respiratory diseases and accelerates metabolism. Alkeemia. Retrieved from https://alkeemia.delfi.ee/artikkel/72510273/fenkol-ehk-apteegitill-ravib-edukalt-hingamisteede-haigusi-ja-kiirendab-ainevahetust.

Harilik apteegitill

Süstemaatiline kuuluvus (APG IV)
Taimed (Plantae)
└── Soontaimed (Tracheophyta)
└── Katteseemnetaimed (Angiospermae)
└── Päriskaheidulehelised (Eudicotyledonae)
└── Sarikalaadsed (Apiales)
└── Sarikalised (Apiaceae)
└── Apteegitill (Foeniculum)
└── Harilik apteegitill – Foeniculum vulgare Mill. [1,2]

Botaaniline kirjeldus

Harilik apteegitill on mitmeaastane aniisi aroomiga rohttaim sarikaliste sugukonnast. Taim kasvab kuni 2,5 m kõrguseks. Vars on õõnes, püstine ja sinakasroheline, peenikeste vagudega. Lehed sulgjagused, jaod niitjad. Õisik on paljuõieline liitsarikas. Peasarikal õisikuraage 6–29(–40). Osasarikal õisi 14–39, õieraod 2-10 mm pikad. Katiselehed puuduvad. Õis aktinomorfne, õiekate lihtne, viietine. Õiekroon kollane, kroonlehed kuni 1 mm läbimõõduga. Vili on kaheosaline kuiv lõhisvili. [1,2]

Levila
Looduslikult levib Euroopas (Vahemere piirkond); Aafrikas (Etioopia); Aasias (Lääne-Nepal). [3]
Introdutseeritud ja laialdaselt naturaliseerunud väljaspool looduslikku levilat paljudes maailma piirkondades. [3]

Kasvatamine
Paljundamine
Paljundatakse peamiselt seemnetega. [4]
Kasvutingimused
Sooja- ja valguslembene kultuur: parim on päikeseline kasvukoht ning hästi soojenev, hea drenaažiga muld. [4]
Seemnete idanemise tingimused
Kõige paremini idanevad seemned temperatuuril 20 °C. [4] Seemneid võib enne külvamist leotada. Külvid kaetakse substraadiga. Valgus võib idanemist pärssida. [4]

Allelopaatia ja sümbioos
Apteegitillil moodustab arbuskulaarset mükoriisat. [5] Harilikku apteegitilli võivad kahjustada seenhaigused nt juurekaela mädanikutekitajat Ochraceocephala foeniculi. [6]

Varumine ja säilitamine
Droogiks varutakse peamiselt vilju (apteegitilli viljad). Säilitatakse kuivas, jahedas ja valguse eest kaitstult ning õhukindlas pakendis.

Keemiline koostis
Eeterlik õli: fenüülpropanoidid
trans-anetool (trans-anethole) [7]
estragool (estragole; metüülkavikool) [7]
Eeterlik õli: monoterpeenid ja monoterpenoidid
limoneen (limonene) [7]
fenkoon (fenchone) [7]
karvoon (carvone) [7]

Toime ja kasutamine
Apteegitilli vilju ja neist valmistatud preparaate kasutatakse traditsiooniliselt seedimise toetamiseks ning puhituse/gaasivaevuste korral; tänapäevases uurimuses on kirjeldatud apteegitilli seemneekstrakti mõju soolebarjääri talitlusele ja põletikusignaalidele (STAT1), sh kaitsev toime sooleepiteeli barjäärifunktsioonile katsemudelites. [8]
Naiste tervise kontekstis on avaldatud ülevaateartiklis käsitletud apteegitilli (ja selle peamiste komponentidega seotud) kasutamist nt düsmenorröa ja menopausiga seotud vaevuste puhul, rõhutades siiski, et toime sõltub preparaadist (tee/ekstrakt/õli), annusest ja uuringukvaliteedist. [9] Eeterliku õli keemiline profiil varieerub. Eeterliku õli ja kontsentreeritud preparaatide kasutamisel tuleb arvestada annusest sõltuvate ja individuaalsete taluvuspiiridega. [7]

Kasutatud kirjandus
[1] World Flora Online. (2024). Foeniculum vulgare Mill. Retrieved January 20, 2026, from http://www.worldfloraonline.org/taxon/wfo-0000691487
[2] Wikipedia contributors. (2023). Fennel. In Wikipedia, The Free Encyclopedia. Retrieved January 20, 2026, from https://en.wikipedia.org/wiki/Fennel
[3] Plants of the World Online (POWO). (n.d.). Foeniculum vulgare Mill. Royal Botanic Gardens, Kew. Retrieved January 20, 2026, from https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:842680-1
[4] Khammassi, S., Salah, K. B., & Jemmali, A. (2022). Influence of various temperatures, pretreatments and light on seed germination of fennel (Foeniculum vulgare Mill.). Journal of New Sciences, Agriculture and Biotechnology, 86(2), 5070–5075. https://doi.org/10.5281/zenodo.6999225
[5] Rasouli, H., Hasanuzzaman, M., Ahmadi, A., Shabani, A., & Ghasemi, N. (2023). Co-application of seaweed extract and arbuscular mycorrhiza synergistically improves growth, yield, and essential oil content of fennel (Foeniculum vulgare Mill.). Scientific Reports. https://doi.org/10.1038/s41598-023-39194-3
[6] Aiello, D., Linaldeddu, B. T., Crous, P. W., & et al. (2020). Ochraceocephala foeniculi gen. et sp. nov., a new crown rot pathogen of fennel. MycoKeys, 63, 33–48. https://doi.org/10.3897/mycokeys.63.48389
[7] Soleymanzadeh, A., et al. (2025). Toxicity of Foeniculum vulgare essential oil, its main components, and related effects (open-access article). Scientific Reports. https://doi.org/10.1038/s41598-025-01193-x
[8] Das, B., Rabalais, J., Kozan, P., Lu, T., Durali, N., Okamoto, K., et al. (2022). The effect of a fennel seed extract on the STAT signaling and intestinal barrier function. PLOS ONE, 17(7), e0271045. https://doi.org/10.1371/journal.pone.0271045
[9] Mahboubi, M. (2019). Foeniculum vulgare as valuable plant in management of women’s health. Journal of Menopausal Medicine, 25(1), 1–14. https://doi.org/10.6118/jmm.2019.25.1.1