Family ► Caesalpiniaceae, Mi-mosaceae
Habitat ► Native to tropical America and the West Indies. Grown in Indian gardens.
English ► Logwood, Peachwood, Compeachy tree.
Ayurvedic ► Pattanga, Patraanga, Bakam (substitute). (Caesalpinia sappan is also equated with Pattanga.)
Unani ► Buqqam, Bakam-Hindi.
Action ► Astringent. Used for atonic dyspepsia, diarrhoea, summer diarrhoea, dysentery, internal haemorrhages, menorrhagia, leucorrhoea. (It imparts red colour to urine and stool. Incompatible with chalk or lime-water.)
The wood contains about 10% hae-matoxylon, a red-brown phenolic dye, tannins, resin and volatile oil.
Haematoxylin exhibited significant anti-inflammatory activity in the carra-geenan-induced oedema test.
The seed contains crude protein 29.1, pentosan 6.6, and water-soluble gum 3.2%.
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