Harpagophytum procumbens (Devil's Claw) Flashcards
How do you recognise Devil’s Claw?
- A creeping plant with tuberiferous roots. The names devil’s claw and ‘grapple’ plant refer to the shape of the hooked fruit.
- Harvested mainly from the wild in Namibia, Botswana & South Africa - really dry, desert like areas. Harvesting may threaten wild populations but Good Agricultural and Collection Practices (GACP) have been introduced to protect the species especially in Namibia - looks less endangered/ more sustainable now
- May be mixed with material from H. zeyheri.
- Traditionally used by many peoples in Southern Africa – San, Khoi, Topnar and Herero – see ‘external links’ for more detail.
What are Devil’s Claw ‘s main constituents?
Constituents:
* Iridoid glycosides - most actions related to this - harpagoside, harpagide, and procumbide – anti-inflammatory, analgesic, immunomodulatory, possibly hepatoprotective.
* Phenyl propanoids.
* Terpenes
* Phytosterols – anti-inflammatory.
* Flavonoids – based on luteolin and kaempferol.
* Hargapaquinone
What family is Devil’s Claw?
Family:
Pedaliaceae
What is Devil’s Claw good for?
Summary: Tend to use it as an ‘anti rhuematic’ - good for back pain, fibromyalgia, arthritis, tendons etc. Mildly sedative. V bitter so not great for people with excess acid/ gastric problems.
Actions:
* Anti-inflammatory.
* Analgesic.
* Sedative
* “Anti-rheumatic”.
* Bitter.
* Diuretic.
* Possibly useful for arrhythmias.
Applications:
* Arthritis.
* Tendonitis.
* Back pain.
* Gout.
* Fibromyalgia.
* Anorexia.
Traditional uses in Africa include malaria, skin problems, to alleviate labour pains as well as for joint inflammation.
What is Devil’s Claw ‘s Latin name?
Harpagophytum procumbens
What parts of Devil’s Claw do you use?
Parts used: secondary tubers
What safety issues might Devil’s Claw have?
Mostly seen to be safe but is very bitter and contraindicated in problems with excess stomach acidity.
What useful research does Devil’s Claw have?
External links:
* From Bush Medicine to Modern Phytopharmaceutical: A
Bibliographic Review of Devil’s Claw (Harpagophytum spp.) –
thorough study from 2021 that gives some coverage of use in
Southern Africa.
* Devil’s Claw—A review of the ethnobotany, phytochemistry
and biological activity of Harpagophytum procumbens – an
older study from 2012 in the Journal of Ethnopharmacology
which covers indigenous use of the plant in more detail
What remedies might you use Devil’s Claw in?
Dose 20-30ml/week 1:3 tincture
Case history from Bendle: Man in his 80s. He has diabetes and a poor diet. Oesteoarthritis in his knees, so Bendle gave him 15% Harpagophytum, Cucuma (Turmeric) 20%, Eleutherococcus (Siberian Ginseng) 20%, Hypericum (St Johns Wort) 25%, Serenoa (Saw Palmetto) 15% and Zingiber (Ginger) 5%.
Serenoa in there for background prostatic problem, STW and Ginseng for his emotional needs, but Harpagophytum, Cucuma, Ginger and Ginseng also for warming him up / for the arthritis. Takes the edge off his knee pain; could walk much easier.
Also had Cinnamon in there previously but swapped out for Ginger. The mix is keeping him walking.