Monday, March 2, 2009

Sesamum indicum Linn.


English Name : Gingelly, sesame, sesamum, simsim, tahini

Family : Pedaliaceae

Origin : Africa

Description
It is an erect, much-branched and glandular-pubescent annual herb with 30 to 60 cm height. Leaves are oblong or ovate and 7.5 to 12.5 cm long; lower ones long, petioled, tri-foliate or palmatisect and upper ones short-petioled and narrowly oblong with a rounded or acute base. The flowers are 1 to 3 together in the leaf-axils, often forming, terminal and leafly racemes. Bracteoles are inserted at the base of the pedicels and subulated. Calyx is 0.5 to 0.6 cm long and acute hairy. Corolla is white or suffused with violet colour and hairy outside. The fruits are 1.5 to 3.0 cm long capsules, which are erect, hispid and smooth or rugose.

Habitat
A rainfed crop of the semi-arid tropics and sub-tropics.

Parts Used : Seeds, leaves and roots.

Herb Effects
Emollient, diuretic, lactagogue, aphrodisiac, analgesic.

Active Ingredients
Alpha-linolenic acid, alpha-tocopherol, arginine, asarinin, aspartic acid, beta-carotene, beta-sitosterol, biotin, choline, folacin, glucose, glutamic acid, glycine, guaiacol, inositol, lecithin, linoleic acid, methionine, myristic acid, niacin, oleic acid, palmitic acid, pantothenic acid, phenylalanine, pyridoxine, sesamin, stearic acid, thiamin, tryptophan, tyrosin (seeds); caffeic acid, ferulic acid, p-coumaric acid (fruit); chlorogenic acid, protocatechuic acid, riboflavin (leaf).

Medicinal Use
Used in piles and a decoction of them is used as emmenagogue, on ulcers, in dysentery, infantile cholera and diarrhoea, in urinary complaints in combination with other medicines, acute cystitis, strangury, early rheumatism, used internally in catarrhal affections of kidney and urinary bladder and externally, are applied on ophthalmic and skin problems (fresh leaves); helps to prevent gall and kidney stones (seeds).

Dosage
1 or 2 full-sized leaves stirred in 1/2 pint of cold water, or in hot water if the dried leaves are used.

Contraindication
Large doses may cause abortion.

Reference

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