English Dyers Woad

Action ► Plant—used in the form of an ointment for ulcers, oedematous and malignant tumours. Leaves— antimicrobial, antifungal.

The aerial parts yield tryptanthrin, indole-3-acetonitrile and p-coumaric acid methylester.

The roots contain anti-blood platelet aggregation constituents, uridine, hy-poxanthine, uracil and salicylic acid together with indigo, palmitic acid and beta-sitosterol.

In China, tablets made from the leaves and roots of Isatis tinctoria and Artemisia scoparia have been found to be effective in treating hepatitis B patients.

diseases). Flowers—prescribed in dysentery and dysmenorrhoea.

The saponifiable fraction of the petroleum ether extract of roots exhibited anti-inflammatory activity in carrage-enan-induced paw oedema in albino rats.

The leaves contain a triterpenoid, lu-peol, which shows anti-inflammatory activity. The crude alcoholic extract and the ethyl acetate fraction exhibited antigenic activity.

The flowers contain an essential oil (0.5%) which possesses antimicrobial activity. Flower contain leucocyanidin glycoside.

The plant substrate removes heavy metals, such as lead, cadmium and mercury from polluted water.

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