known is common Cat's Claw to the botanical species Uncaria tomentosa and Uncaria guianensis , both from the family Rubiaceae. This plant is native to Peru, their habitat is very wide and growing at different altitudes. In America, extending from Panama to southern Peru, and covers large areas of Colombia, Venezuela, Ecuador and almost all of Central America. The plant is a climbing shrub that grows as a vine to reach 20 meters in height along the stem arise pairs of curved spines that give the name to the plant. The parts used for medicine are the bark, and to a lesser extent the root and leaves.
Composition Chem ica. The main components are oxindole alkaloids (up to six different types), plant steroids and beta-sitosterol, polyphenols and triterpenoids.
pharmacological properties.
- Oncology: the first studies on the possible antitumor action dating back to 1950. The plant has antitumour activity and slows the progression of degenerative diseases, especially if they produce an immune system disease. This effect is possibly due to the important antioxidant and free radical scavenger of the plant.
- Immune System: stimulating action of the immune system by activating phagocytosis.
- Cardiovascular system antiplatelet activity (fluidization of blood).
- Infectious Diseases: useful in a variety of infections. Studies indicate their effectiveness in disease of AIDS.
- osteoartricular System: for its anti-inflammatory, can be used in rheumatoid arthritis and osteoarthritis, for which a positive effect, although it is advisable to use other treatments.
- Respiratory system has traditionally been using cat's claw in pneumonia, asthma and allergy, although this action has not been scientifically described.
addition, immunostimulatory properties can be used in many infectious diseases such as pneumonia, cystitis, prostatitis, gonorrhea, sinusitis, colds, flu ... The plant has antiviral activity that is useful in the treatment of herpes simplex or as mentioned earlier in the disease of AIDS.
for its anti-inflammatory effect can be used as an adjunct in pain and diseases such as rheumatoid arthritis, osteoarthritis or gout, although is recommended to use other more powerful treatments. Some authors say it could aggravate an autoimmune pathologies such as rheumatoid arthritis.
for its antiplatelet action is used to prevent cardiovascular risk of thromboembolic events.
Unwanted effects and contraindications. There are no data on toxicity, however, actual experience shows that it is very low, even at high doses administered.
administration and dosage forms.
-bark powder: 2-4 g daily.
-Infusion: 10 g of leaves per 200 cc of water boiling.
-Cooking: 20-30 g of bark boiled in a liter of water and simmer for 20 minutes. It is advisable to pre-digest it in cold water for a couple of hours. Drink the liquid in three doses spread throughout the day.
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