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In herbal medicine systems in Peru, Huanarpo macho is considered aphrodisiac, anti-asthmatic, anti-diabetic, antitussive, anti-ulcerous, and nervine.* It is widely used to restore male sexual potency, for premature ejaculation, erectile dysfunction, and as a male sexual tonic and aphrodisiac.* To learn more about this wonderful rainforest plant, go to the Tropical Plant Database file on Huanarpo Macho. To see photographs of huanarpo macho click here.

Traditional Uses:* as a male sexual stimulant, libido enhancer and aphrodisiac; for erectile dysfunction; for renal and adrenal support; as a nervine to calm and support the central nervous system; as an antitussive (for coughs, asthma and bronchitis)

Suggested Use: Huanarpo Macho is best prepared as an alcohol tincture. Combine 1 part bark powder with 4 parts 90 proof alcohol (everclear or vodka). Allow to macerate for 2 weeks while agitating solution daily. Strain into a clean bottle and seal. It is traditionally taken in dosages of 3 ml (90 drops) twice daily or as needed. For more complete instructions on preparing herbal decoctions see the Methods for Preparing Herbal Remedies Page.

Contraindications: None reported.

Drug Interactions: None reported.

Published Research on Huanarpo Macho*

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

• Benavides A., et al. "Catechin derivatives in Jatropha macrantha stems: characterisation and LC/ESI/MS/MS quali-quantitative analysis." J. Pharm. Biomed. Anal. 2006 Feb 24; 40(3): 639-47.
• Tits, M., et al. "Anti-inflammatory prodelphinidins from blackcurrant (Ribes nigrum) leaves." Planta Med. 1991; 57: A134.
• Blazso, G., et al. "Antiinflammatory activities of procyanidin-containing extracts from Pinus pinaster Ait. after oral and cutaneous application. Pharmazie. 1997; 52: 380-382.
• Haqqi, T. M., et al. "Prevention of collagen-induced arthritis in mice by a polyphenolic fraction from green tea." Proc. Natl. Acad. Sci.1999; 96: 4524-4529.
• Agarwal, R., et al. "Inhibition of skin tumor promoter-caused induction of epidermal ornithine decarboxylase in SENCAR mice by polyphenolic fraction isolated from green tea and its individual epicatechin derivatives." Cancer Res. 1992; 52: 3582-3588.
• Maffei Facino, R., et al. "Procyanidins from Vitis vinifera seeds protect rabbit heart from ischemia/reperfusion injury: antioxidant intervention and/or iron and copper sequestering ability." Planta Med. 1996; 62: 495-502.
• Aucamp, J., et al. "Inhibition of xanthine oxidase by catechins from tea (Camellia sinensis). Anticancer Res. 1997; 17: 4381-4385.
• Bagchi, D., et al. "Protective effects of grape seed proanthocyanidins and selected antioxidants against TPA-induced hepatic and brain lipid peroxidation and DNA fragmentation and peritoneal macrophage activation in mice." Gen. Pharmacol. 1998; 30: 771-776.
• Bouhalidi R, et al. "High protection by grape seed proanthocyanidins (GSPC) of polyunsaturated fatty acids against UVC-induced peroxidation. CR. Acad. Sci. III. 1998; 321: 31-38.
• Zhao, J., et al. "Anti-tumor-promoting activity of a polyphenolic fraction isolated from grape seeds in the mouse skin two-stage initiation-promotion protocol and identification of procyanidin B5-3'-gallate as the most effective antioxidant constituent." Carcinogenesis. 1999; 20:1737-1745.
• Bagchi, D., et al. "Cellular protection with proanthocyanidins derived from grape seeds." Ann. NY. Acad. Sci. 2002; 957: 260-270.
• Comhaire, F., et al. "The role of food supplements in the treatment of the infertile man." Reproductive Biomedicine Online. 2003; 7(4): 385-391.
• Stanslavov, R., et al. "Treatment of erectile dysfunction with pycnogenol and L-arginine." J. Sex Marital Ther. 2003; 29: 207-213.
• Roseff, S. J., et al. Improvement of sperm quality and function with French maritime pine tree bark extract. J. Reprod. Med. 2002; 47(10): 821-824.
• Packer, L., et al. "Antioxidant activity and biologic properties of a procyanidin-rich extract from pine (Pinus maritima) bark, Pycnogenol." Free Rad. Biol. Med. 1999; 27(5-6): 704-724.
• Sanabria, G. G. R. "Thesis: Aislamiento y identificacion de un alcaloide del extractro alcoholico de la Jatropha macrantha (Huanarpo macho) con propiedades afrodisiacas." Universidad Nacional de San Agustin, UNSA, Peru
• Richards, T., et al. "NMR and simulated annealing investigations of bradykinin in presence of polyphenols." J. Biol. Struct. Dyn. 2001 Feb; 18(4): 627-37.
• Trinity, J., et al. "Endothelial dysfunction in erectile dysfunction: role of the endothelium in erectile physiology and disease." J. of Andrology. 2003; 24(90060)
• Becker, A. J., et al. "Possible role of bradykinin and angiotensin II in the regulation of penile erection and detumescence." Urology. 2001c; 57: 193-198.
• Desmarchelier, C., et al. "Total reactive antioxidant potential (TRAP) and total antioxidant reactivity (TAR) of medicinal plants used in Southwest Amazona (Bolivia and Peru)." Int. J. Pharmacog. 1997; 35(4): 288-296.
• Oshima, M., et al. "Effects of Lipidium meyenii Walp and Jatropha macrantha on blood levels of estradiol-17 beta, progesterone, testosterone and the rate of embryo implantation in mice." J. Vet. Med. Sci. 2003; 65(10): 1145-6.

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