Action ► Bark—antidysenteric. Also used in piles and skin diseases. Seeds—antidysenteric, astringent, febrifuge, anthelmintic. Bark and seeds—prescribed in flatulence and bilious affections.
Pods, without seeds, contain the cycloartanes, cycloartenone and cy-cloeucalenol along with alpha- and beta-amyrin, beta-sitosterol, ursolic acid, oleanolic acid and the terpene, wrightial. The leaves contain beta-amyrin. Stem bark gave beta-amyrin, beta-sitosterol and lupeol.
The seeds, leaves and roots have been shown to contain an indigo-yielding glucoside.
The flowers gave 3-O-rhamnogluco-side which exhibited significant anti-inflammatory activity in carrageenan-induced hind paw oedema.
The bark is commonly used as an adulterant of Kurchi Bark (obtained from Holarrhena antidysenterica).
Wrightia tinctoria R. Br.
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