Foeniculum vulgare | ||||||
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Botanical Name: Foeniculum vulgare Description of Foeniculum vulgare: Originally indigenous to South Europe, it is now widely cultivated throughout the temperate and sub-tropical regions of the world for its aromatic fruits.
It is a biennial or perennial and glabrous herb that grows to a height
of 1.5-2.0 m high with fistular stem. The rootstock is perennial but of
short duration. Stem is glabrous, erect, stout and aromatic. Leaves are
2-4 pinnate, narrow, ultimate segments linear, stiff in dry conditions
but slender in cultivatable conditions, stipulate and usually with
sheathing leaf base. Umbels are rather large and more or less glaucous
and terminal. Bracts are in the form of and involucre. Outer flowers may
be rayed and mostly protandrous. Calyx is adnate to the ovary. Corolla
lobes are 5 and margin incurved. Fruit is a cremocarp with two
indehisent carpels compressed called mericarps and have five
longitudinal ridges called primary ridges alternating with furrows.
Generally, there are 2 varieties; var. vulgareand var. dulce. But the
Indian variety is considered a distinct variety var. Panmorium (Syn.
F.panmorium). |
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Principal Constituents: The volatile oil content is 0.7-1.2 % in Indian variety, but it is 4-6% in Europe varieties. Methyl chavicol was detected from oil. Fruits also contain pentosan, pectin, trigonelline, fenchone, seselin, anethole and choline. The essential oil contains sesquiterpene, germacrene-D and b caryophyllene. Anethole, seselin, fenchone are also identified from the fruits. But the fruits from Ootagamandalum (Tamilnadu) are free from anethole.
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