Medicinal Plants of Bangladesh
Medicinal Plants Database of Bangladesh includes the authentic Taxonomic Information, Vernacular/Bangla Name, Tribal and English Name, Family, Description and Photograph of the Plants, Chemical Constituents, Uses and Distribution of the species in Bangladesh. MPBD also contain dictionary of Botanical and Pharmacological terms.
Synonyms: C. domestica Vahl.
Bengali/Vernacular Name: Halud, Haldi.
Tribal Name: Chith Nu, Ranjan (Marma); Sudai (Tipra).
English Name: Turmeric.
A tall rhizomatous herb, with orange yellow rhizomes, strongly aromatic. Leaves very large, tufted, up to 1.2 m or more long; petiole long, blade oblong-lanceolate. Flowers in dense spike, 10-15 cm long, in the centre of the tuft of leaves; flowering bracts pale green; coma bracts greenish white or tinged with pink.
The rhizome is laxative, carminative, diuretic, stimulant, vulnerary, tonic, alexiteric and emollient. Externally rhizome is used in the treatment of scabies, itches, boils, abscess, eczema, leucoderma, eye diseases, pains, bruises and sprains; internally for cough, cold, fever, inflammations, ozoena, biliousness, dyspepsia, affections of the liver and jaundice; especially for mothers after delivery and in disorders of blood. It is also beneficial in asthma, gonorrhoea and urinary diseases.
In conjunctivitis, eyes are cleaned several times a day with a piece of cloth soaked in rhizome extract. Paste made of rhizome powder, molasses and mustard oil when chewed gives relief from respiratory problem. Paste of the rhizome along with Azadirachta indica leaf taken every morning in empty stomach is good for diabetes. Warm, fresh rhizome paste is applied on cuts and wounds for healing.
Rhizome paste or powder mixed with hot rice, mustard oil and table salt is taken for 3-4 days to cure dysentery. Rhizome paste mixed with lime is applied as a poultice to get relief from pain of the sprain. Fresh rhizome juice along with salt is prescribed for intestinal worms. Rhizome oil acts as antacid, carminative, stomachic and tonic.
Flower paste is used in ringworm and other parasitic skin diseases and also in the gonorrhoea. Flower paste is used for the treatment of stomachache in Chittagong Hill Tracts.
EtOH(50%) extract of rhizome is spasmolytic, antiprotozoal and CNS depressant. Rhizome extract is effective as insect repellent against houseflies. It has effet on growth of some intestinal and pathogenic bacteria; possesses antifungal properties and inhibitory effect on growth and toxin production of toxigenic fungi (Asolkar et al., 1992).
Rhizome contains curcumin (0.3-5.4%), an essential oil composed mainly of turmerone, atlantone, zingiberone and other sesquiterpenes and sugars. It also contains hydorxycinnamic, hydroxybenzoic acids, oleoresin, campesterol, stigmasterol, ß-sitosterol, cholesterol and fatty acids. The oil contains phellandrene, cineol, borneol, zingiberene and sesquiterpenes.
More than 20 components have been identified in the leaf oil, of which a-phellandrene, 1,8-cineole, p-cymene and ß -pinene are the major ones. The rhizome oil also contains most of these constituents and also car-3-ene, a-terpinene, ?-terpinene and terpinolene (Ghani, 2003; Rastogi & Mehrotra, 1993).
Cultivated all over Bangladesh.