of seeds shows leuco-agglutinating activity against leukaemic cells. It agglutinates white cells from patients with different types of leukaemia. The activity is inhibited by simple sugars. Root extract shows antibacterial and fungicidal activity.
The heartwood contains a hepatoprotective principle—cyanidanol.
Astringent and antibacterial properties of catechu result from its high tannin content.
Gambrine in pale catechu shows hypotensive effects.
Fisetin in black catechu and (+)- catechin in black and pale catechu may protect against liver damage; (+)- catechin is also thought to protect against experimentally induced ulcers in animals; (+)-catechin (cianidanol) is associated with fatal anaemia. Methylcatechin, one of the major metabolites of (+)-catechin, inhibits the binding of monocytes to vascular endothelial cells; thus, the catechin found in catechu may reduce atherosclerosis.
(Natural Medicines Comprehensive Database, 2007.)
Dosage Heartwood—20—30 g for decoction. (API Vol. I.)

Acacia chundra Wild. Synonym A. sundra DC.

     Family Mimosaceae.

Habitat Rajasthan, Gujarat,
Maharashtra, Tamil Nadu and

Andhra Pradesh on dry and rocky soils.
English Red Cutch.
Ayurvedic Khadira (related sp.).
Siddha/Tamil Katthakkaambu (heartwood extract).
Folk Laal Khair.
Action Uses similar to those of
A. catechu heartwood extract.
The bark and leaves are used for ulcerated abscesses and toothache; wood for leucoderma.
EtOH (50%) extract—spermicidal and spasmolytic.
Acacia concinna (Wild.) DC.
Synonym
A sinuata (Lour.) Merrill; A. rugata (Lamk.) Ham.
     Family
Mimosaceae.
Habitat Tropical jungles throughout India, especially in the Deccan.
Ayurvedic Saptalaa, Shitalaa, Saatalaa, Shrivalli, Kantvalli.
Unani Shikaakaai, Kharunb Nabti.

Siddha/Tamil Seekai, Sigakai.

Folk Ban-Reethaa.

Encyclopedia of Ayurvedic Medicinal Plants

A Candle of Medicinal Herb’s Identification and Usage