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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.
Upphovsman
- Dr Henry Oakeley
Ämne
- Countryside
- Garden
- Herbal remedies
- Petal
- Poison
- Yellow
- Green
- Trädgård
Upphovsman
- Dr Henry Oakeley
Ämne
- Countryside
- Garden
- Herbal remedies
- Petal
- Poison
- Yellow
- Green
- Trädgård
Tillhandahållande institution
Aggregator
Rättighetsmärkning för media i detta objekt (om inte annat anges)
- http://creativecommons.org/licenses/by/4.0/
Rättigheter
- Credit: Dr Henry Oakeley
Källa
- B0009108
Identifierare
- B0009108
- nguw9jjd
Tillhandahållande land
- United Kingdom
Samlingens namn
Första gången publicerad på Europeana
- 2019-06-09T11:20:42.343Z
Sista uppdateringen från tillhandahållande institution
- 2019-06-09T11:20:42.343Z