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Uncaria guianensis

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Uncaria guianensis

Uncaria guianensis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Uncaria
Species: U. guianensis
Binomial name
Uncaria guianensis
(Aubl.) J.F.Gmel.

Uncaria guianensis, cat's claw, is a plant species in the genus Uncaria found in Amazonia. Other names for the plant include uña de gato and vincaria.[1]

U. guianensis contains many phytochemicals ((-)-epicatechin, alkaloid, beta-Sitosterol, campesterol, campherol, catechol, catechutannic acid, chlorogenic acid, ellagic acid, gallic acid, hyperin, oleanolic acid, rutin, stigmasterol, ursolic acid)[1] and proanthocyanidin B1[2] and proanthocyanidin B2,[3] B type proanthocyanidins, in the root.

U. guianensis may be useful for osteoarthritis.[4]

U. guianensis has been shown to suppress cartilage degradation in joints.[5]

References

  1. ^ a b Uncaria guianensis on www.liberherbarum.com
  2. ^ Proanthocyanidin-B1 on liberherbarum.com
  3. ^ Proanthocyanidin-B2 on liberherbarum.com
  4. ^ Piscoya J, Rodriguez Z, Bustamante SA, et al. (2001). "Efficacy and safety of freeze-dried cat's claw in osteoarthritis of the knee: mechanisms of action of the species Uncaria guianensis". Inflamm Res. 50 (9): 442–8.  
  5. ^ Mark J.S. Miller, PhD, Salahuddin Ahmed, PhD, Paul Bobrowski, BA, Tariq M.Haqqi, PhD (2004). "Suppression of Human Cartilage Degradation and Chondrocyte Activation by a Unique Mineral Supplement (SierraSil™)and a Cat’s Claw Extract, Vincaria". The Journal of the American Nutraceutical Association 7 (2): 32–39. 

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