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Petasites hybridus (L.)G.Gaertn., B.Mey. & Scherb. Asteraceae. Butterbur, Bog rhubarb. Distribution: Europe, NW Asia. Culpeper (1650) writes: “The roots are ... exceeding good in violent and pestilential fevers, they provoke the terms, expel poison, and kill worms.” Modern herbalists recommend it for a wide range of therapies, but it contains pyrrolizidine alkaloids, which are hepatotoxic and cause liver cancers. Nevertheless, in a trial aimed at reducing frequency of migraine attacks, a standardised commercial preparation was well tolerated, and was effective at higher doses, but placebo in this trial reduced migraines by over 50% in 49% of the patients (Neurology 2004
63: 2240-2244). In view of its toxicity, it is best avoided. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Makers
- Dr Henry Oakeley
Onderwerp
- Countryside
- Garden
- Herbal remedies
- Petal
- Poison
- Yellow
- Green
- Tuin
Makers
- Dr Henry Oakeley
Onderwerp
- Countryside
- Garden
- Herbal remedies
- Petal
- Poison
- Yellow
- Green
- Tuin
Deelnemende erfgoedorganisatie
Informatienetwerk
Rechtenstatus van de media in dit record (tenzij anders vermeld)
- http://creativecommons.org/licenses/by/4.0/
Rechten
- Credit: Dr Henry Oakeley
Bron
- B0009108
Identificatie
- B0009108
- nguw9jjd
Land
- United Kingdom
Naam van de collectie
Voor het eerst gepubliceerd op Europeana
- 2019-06-09T11:20:42.343Z
Laatste keer bijgewerkt door deelnemende erfgoedorganisatie
- 2019-06-09T11:20:42.343Z