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  Turnera diffusa Willd. Ex Schult
 
Scientific Name  Turnera diffusa Willd. Ex Schult
Family Name  Turneraceae
Common Name  Damiana, pastorcita, hierba del venado, hierba de la pastora
Photo link  http://www.swsbm.com/Images/T-Z/Turnera_diffusa.jpg
Studies on Diabetes  Early reports suggested hypoglycemic action, but a more recent study in mice did not confirm this (Kay 1996, Alarcon-Agilar 2002).
Other Uses  Folk uses include as an aphrodesiac, CNS stimulant, diabetes, erectile dysfunction and infertility (Kay 1996).
Formulations used by  Informants 
Phytochemistry  Cineol, alpha and beta-pinenes, beta-sitosterol; also cyanogenic glycoside and arbutin (which are considered toxic) but damiana is approved for food use (Kay 1996).
Potential Adverse  Effects  Hallucinations, urethral irritation (may account for "aphrodisiac effect), hepatotoxicity in large doses (Feltrow 1999)
Potential Medication  Interactions  No significant medication interactions noted
References  Alarcon-Aguilar FJ, Roman-Ramos R, et. al. Investigation on the hypoglycaemic effects of four Mexican medicinal plants in normal and alloxan-diabetic mice. Phytother Res 01-Jun-2002; 16(4): 383-6.

 

 

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