ADINA CORDIFOLIA Benth & Hook.

Nauclea cordifolia Roxb.
Family: Malvaceae

Bengali/vernacular name: Bangka, Dako, Kelikadam, Petpuria, Haldu, Kaika.
Tribal name: Thaimng (Mogh); Baldureng, Sadang (Garo); Paangka (Marma).

Description of the plant:
ADINA CORDIFOLIA Benth & Hook. is a large deciduous tree with spreading crown. Leaves coriaceous, opposite, orbicular, 10-30 cm diam., shortly acuminate, cordate. Flowers yellow, in globose pedunculate heads, 2-2.5 cm diam. Capsules small, 4 mm, splitting into 2 dehiscent cocci.

Using information:
The bark is tonic, vulnerary, aphrodisiac; cures inflammations, biliousness, skin diseases; juice is used to kill worms in sores; decoction of the bark and of that of Oroxylum indicum mixed with candied sugar is given as a drink in strangury. In Cambodia, the root is used as an astringent in dysentery.

Plant extracts possesses antibacterial properties. Alkaloid obtained from acetone fraction of wood is CNS depressant and hypotensive in experimental animals; another fraction showed same activities and in addition contractile activity in guinea pig ileum (Asolkar et al., 1992).

Chemical constituents:
Heartwood contains 10-deoxyadifoline, 10-deoxycordifoline indole alkaloid, cordifoline, adifoline. Di-OH-tetra-OMe flavone has been isolated from defatted heartwood. Oleoresin obtained from incision of trunk yields essential oil (5.2- 6.8%). Stem contains yellow coloring matter, napthaquinone and adinin (Asolkar et al., 1992).

Distribution:
Occurs in the moist deciduous forests of Chittagong, Cox's Bazar, Chittagong Hill Tracts, Sylhet, Dhaka, Mymensingh.