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Herb Finder
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Gold Thread | | Name : | Gold Thread | | Botanical : | Coptis trifolia | | Synonyms : | Helleborus triflius or trilobus. Helleborus pumilus. Coptis. Anemone grcenlandica. Coptide. Mouthroot. Vegetable Gold. Chrusa borealis. | | Family : | Ranunculaceae | | Parts Used : | The dried rhizome, with roots, stems, and leaves. | | Habitat : | Northern America and Asia. Greenland and Iceland. | | Description : | The name of the genus Coptis is suggested by the form of the leaflets, and means 'to cut.' The popular name is derived from the thin, creeping, gold-coloured rhizome, which yields a yellow dye. The solitary, yellowish flowers, and obovate, evergreen leaves grow in tufts with yellow scales surrounding the base. The herb is a small perennial, usually found creeping in swamps or damp, sandy places. In commerce, the dried herb is found in loose masses, odourless, and with a pure, bitter taste. The powder is yellowish-green. It resembles gentian and quassia in its properties.
The Coptis family is closely linked to that of the Hellebores. | | Constituents : | Its bitterness is imparted to both water and alcohol, but more readily to the latter. As there is neither tannic nor gallic acid, the activity is due to berberia or berberine, which is associated with another alkaloid called Coptine or Coptina, resembling hydrastia. It also contains albumen, fixed oil, colouring matter, lignin, extractive, and sugar. Authorities differ as to the presence of resin. | | Uses : | It may be used as other pure bitters. In New England it is valued as a local application in thrush, for children.
It is stated to be good for dyspepsia, and combined with other drugs is regarded as helpful in combating the drink habit. | | Dosage : | Of powder, 10 to 30 grains. Of tincture of 1 OZ. of root to a pint of diluted alcohol, 1 fluid drachm. Of fluid extract, 30 minims. |
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