Pedra hume caa (Myrcia salicifolia) leaf powder - Pedra hume caa (Myrcia salicifolia) leaf powder Pedra Hume Caá Powder

Myrcia salicifolia

This product is no longer sold by Raintree Nutrition, Inc. See the main product page for more information why. Try doing a google search or see the rainforest products page to find other companies selling rainforest herbal supplements or rainforest plants if you want to make this rainforest formula yourself.

Preliminary research has confirmed Pedra hume caá's long history of use in South America for diabetes.* For more information about pedra hume caá (Myrcia salicifolia), please refer to the Database File for Pedra Hume Caá in the Tropical Plant Database. To see pictures of pedra hume caá, click here. Check out the new Discussion Forums to see if anyone is talking about how they are using this natural rainforest remedy.

Traditional Uses: for diabetes; as a preventative to diabetic neuropathy and macular degeneration; for hypertension and as a heart tonic (tones, balances, strengthens the heart); for enteritis, diarrhea and dysentery; as an astringent to stop bleeding and hemorrhages

Suggested Use: This plant is best prepared as an infusion (tea). Use one teaspoon of powder for each cup of water. Pour boiling water over herb in cup and allow to steep 10 minutes. Strain tea (or allow settled powder to remain in the bottom of cup) and drink warm. It is traditionally taken in 1 cup amounts, 2-3 times daily. For more complete instructions on preparing herbal infusions see the Methods for Preparing Herbal Remedies Page.

Contraindications: Pedra hume caŠ has been documented to lower blood sugar levels in animal and human studies. It is contraindicated in those with hypoglycemia. Diabetics who wish to use this plant should monitor their blood sugar levels carefully as medications may need adjustments.

Drug Interactions: Will potentiate antidiabetic medications and insulin drugs. May potentiate antihypertensive medications.





Third-Party Published Research*

All available third-party research on pedra hume caá can be found at PubMed. A partial listing of the third-party published research on perdra hume caá is shown below:


Antidiabetic & Hypoglycemic Actions:
 Zucchi, O. L., et al. “Characterization of hypoglycemiant plants by total reflection X-ray fluorescence spectrometry.” Biol. Trace Elem. Res. 2005; 103(3): 277-90.
Matsuda, H., et al. “Structural requirements of flavonoids and related compounds for aldose reductase inhibitory activity.” Chem. Pharm. Bull. (Tokyo). 2002; 50(6):788–95.
Matsuda, H. “Antidiabetic principles of natural medicines. V. Aldose reductase inhibitors from Myrcia multiflora DC. (2): Structures of myrciacitrins III, IV, and V.” Chem. Pharm. Bull. 2002; 50(3): 429-31.
Yoshikawa, M., et al. “Antidiabetic principles of natural medicines. II. Aldose reductase and alpha-glucosidase inhibitors from Brazilian natural medicine, the leaves of Myrcia multiflora DC (myrtaceae): structures of myrciacitrins I and II and myrciaphenones A and B.” Chem. Pharm. Bull. 1998; 46(1): 113–19.
Pepato, M. T., et al. “Assessment of the antidiabetic activity of Myrcia uniflora extracts in streptozotocin diabetic rats." Diabetes Res. 1993; 22(2): 49–57.
Russo, E. M., et al. “Clinical trial of Myrcia uniflora and Bauhinia forficata leaf extracts in normal and diabetic patients." Braz. J. Med. Biol. Res. 1990; 23(1): 11–20.
Schmeda-Hirschmann, G., et al. “Preliminary pharmacological studies on Eugenia uniflora leaves: xanthine oxidase inhibitory activity." J. Ethnopharmacol. 1987; 21(2): 183–86.
Chaudhry, P. S., et al. “Inhibition of human lens aldose reductase by flavonoids, sulindac and indomethacin.” Biochem. Pharmacol. 1983; 32(13): 1995–98.
Grune, U., et al. “Sobre o principio antidiabetico da pedra-hume-caá, Myrcia multiflora (Lam)." Thesis 1979; Federal University of Rio de Janeiro.
Brune, U., et al. “Myrcia spaerocarpa, D.C., planta diabetica.” V Simposio de Plantas Medicinais do Brasil, Sao Paulo-SP, Brazil, 1978; 74 (September 4–6).
Mendes dos Reis Arruda, L., et al. “Efeito hipoglicemiante induzido pelo extracto das raizes de Myrcia citrifolia (pedra-hume-caa), esudo famacologico preliminar." V Simposio de Plantas Medicinais do Brasil, Sao Paulo-SP, Brazil, 1978; 74 (September 4–6).
Varma, S. D., et al. “Flavonoids as inhibitors of lens aldose reductase.” Science 1975; 188(4194): 1215–16.
Coutinho, A. B. Tese de Catedra. Faculdade de Medicina de Recife. Recife, Brazil, 1938.
Martins de Toledo, O. Tese de Doutoramento. Faculdade de Medicina de Sao Paulo. Sao Paulo, Brazil, 1929.

Anti-Obesity Actions:
Ferreira, E., et al. "The 2',4',6'-trihydroxyacetophenone isolated from Myrcia multiflora has antiobesity and mixed hypolipidemic effects with the reduction of lipid intestinal absorption." Planta Med. 2011 Sep;77(14):1569-74.

Liver-Protective Actions:
Ferreira, E., et al. "Potent hepatoprotective effect in CCl(4)-induced hepatic injury in mice of phloroacetophenone from Myrcia multiflora." Libyan J Med. 2010 Jun 8;5.

Anti-Thyroid Actions:
Ferreira, A. C., et al. "Inhibition of thyroid peroxidase by Myrcia uniflora flavonoids." Chem. Res. Toxicol. 2006 Mar; 19(3): 351-5.




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by the Food and Drug Administration. This product is
not intended to treat, cure, mitigate or prevent any disease.
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Last updated 12-19-2012