The bark contains tecomin (veratryl beta-D-glucoside), aLkanes, aLkanols and beta-sitosterols. The bark also yielded chromone glycosides—undulatosides A and B, and iridoid glucosides—tecomelloside and tecoside.

A quinonoid—lapachol, veratric acid and dehydrotectol are also reported from the bark.
Water soluble portion of the alcoholic as well as chloroform extracts of the bark shows smooth muscle relaxant, mild cardiotonic and chloretic activities.
Dosage Flower, bark—50—100 ml decoction. (CCRAS.)
Tectona grandis Linn. f.
Family
Verbenaceae.
Habitat A tree occurring in
Western Peninsula, Central India
and Bihar.
English Teak tree.
Ayurvedic Shaaka, Bhuumisaha, Dwaaradaaru, Varadaaru, Kharachhada, Saagawaan, Saagauna.
Siddha/Tamil Thekku.
Action Flower—used in bronchitis, biliousness and urinary discharges. Flower and seed—diuretic.
Wood—expectorant, anti- inflammatory, antibilious, anthelmintic. Used for inflammatory swellings.
Bark—astringent. Used in bronchitis. Root—used for anuria and retention of urine. Nut oil—used in the treatment of scabies and other skin diseases; also for promoting hair growth.
The Ayurvedic Pharmacopoeia of India recommends the heartwood in lipid disorders, also for treating threatened abortion.
The wood is rich in anthraquinones, naphthalene compounds and triterpenic and hemi-terpenic compounds.

650 Tephrosia purpurea (L.) Pers.

The Leaves contain tectoleafquinone. The bark contains 7.14% tannin. The seed oil contains linoleic acid (about 53%), along with lauric, myristic, palmitic, stearic, oleic, linolenic and arachidic acids. The kernels yield 44.5% of a fatty oil.
Dosage Heartwood—3—6 g powder. (API, Vol. III.)
Tephrosia purpurea (L.) Pers.
Synonym
T hamiltonii Drumm. Family Papilionaceae; Fabaceae.
Habitat All over India; also grown as green manure and as cover crop.
English Purple Tephrosia, Wild Indigo.

Encyclopedia of Ayurvedic Medicinal Plants

A Candle of Medicinal Herb’s Identification and Usage