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| Uncaria tomentosa | |
|---|---|
| File:Thorns U tomentosa.jpg | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Genus: | Uncaria |
| Species: | U. tomentosa |
| Binomial name | |
| Uncaria tomentosa (Willd. ex Schult.) DC. | |
Uncaria tomentosa (Cat's Claw or Uña de Gato) is a flowering plant in the family Rubiaceae, native to Central and South America from Guatemala south to Peru, occurring in tropical rainforests.
It is a liana growing to 30 m tall, climbing by means of hooked thorns (the "cat's claws" of the common name) on the stems at the base of the leaves. The leaves are in opposite pairs or whorls of three, simple, with a smooth margin.
Uses
It has been used for a variety of purposes, and was first used by the Aguaruna, Ashanika, Cashibo, Conibo and Shipibo cultures of Peru over 2,000 years ago. The Ashanika are considered the most knowledgeable of this herb, and consider the herb sacred.
It is used in nootropic drugs, as well as in anti-cancer and anti-AIDS medicines. It contains several alkaloids that are responsible for its overall medical effects, as well as tannins and various phytochemicals.
Studies of Cat's Claw show positive effects on the immune system and is helpful for viral and respiratory infections, has an anti-hypertensive properties, and some of the alkaloids may reduce the risk of cardiovascular incidents such as heart attacks and strokes by lowering heart rate, and blood pressure, increase circulation, and improve cholesterol levels.
Some ingredients appear to act as anti-inflammatory, antioxidant and anticancer agents. As a homeopathic treatment, Cat's Claw can be used to treat intestinal ailments such as Crohn's disease, gastric ulcers and tumors, parasites, colitis, gastritis, diverticulitis and leaky bowel syndrome. Other possible uses include the treatment of AIDS in combination with AZT, the treatment and prevention of arthritis and rheumatism, diabetes, PMS, chronic fatigue syndrome, lupus, and prostrate conditions.
The parts used medicinally include the inner bark and root, taken in the form of capsules, tea and extract.
References
- Germplasm Resources Information Network: Uncaria tomentosa
- Raintree.com: Uncaria tomentosa medicinal properties
- Herbal information center's entry for Cat's Claw
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