Feb 12, 2014
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Synonym ► D. lunata Buch.-Ham.

Family ► Droseraceae.

Habitat ► Throughout India, up to 2,438 m.

Ayurvedic ► Brahma-suvarchalaa (doubtful synonym).

Folk ► Mukhjali. (Drosera burmannii Vahl is also known as Mukhjali.)

Action ► Resin from plant—used in bronchitis and whooping cough. Plant—antisyphyilitic. Bruised leaves, mixed with salt are applied for treating blisters.

Key application ► Drosera rotundifo- lia—in dry cough and coughing fits, as bronchoantispasmodic. (German Commission E.).

The leaves contain napthaquinones, plumbagin (0.5%), droserone (3-hy- droxyplumbagin) and hydroxydro- serone (0.01%), and the flavonoids, quercetin, gossypetin, gossypin and isogossypitrin. The antispasmodic action of the herb has been attributed to naphthoquinones. Plumbagin is antimicrobial in vitro against some Gram-positive and Gram-negativebac- teria, influenza virus, pathogenic fungi and parasitic protozoa, and is active against some species of Leishmania. In large doses plumbagin is cytotoxic, but in small doses exhibits immunostimu- lating activity in vitro.

A related species, Drosera indica Linn., is found in Deccan peninsula, particularly in the West coast. Plum- bagone, isolated from the plant, depresses the isolated intestine of the guinea-pig and suppresses the effect of acetylcholine. In Indo-China, a maceration of the plant is applied topically to corns.

In Western herbal, Sundew is obtained from the aerial parts of Drosera rotundifolia which grows throughout Europe.

Article Categories:
Indian Medicinal Plants

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