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  Larrea tridentata (Sessé & Moc. ex DC.) Coville
 
Scientific Name  Larrea tridentata (Sessé & Moc. ex DC.) Coville
Family Name  Zygophyllaceae
Common Name  Chaparral, creosote bush, gobernadora, greasewood, hediondilla
Photo link  authorpics/larreaPic.cfm
Studies on Diabetes  A pure compound isolated from larrea resulted in an 8 mmol/lt decrease in blood sugar in male mice following oral administration (Luo 1998).
Other Uses  Folk uses include cancer treatment, dermatitis (topical), rheumatic disorders and upper respiratory infection (Johnson 2002).
Formulations used by  Informants  Hot infusion, ointment.
Phytochemistry  Nordihydroguaiaretic acid (NDGA-a phenolic constituent and potent anti-oxidant), flavanoids, volatile oils, wax, esters, and triterpenes (Kay 1996).
Potential Adverse  Effects  Hepatotoxicity has been associated with "chapparal" tea. The American Herbal Products Association(AHPA) and the FDA requested removal from health food stores; no hepatotoxic properties were found. AHPA recinded the ban (Kay 1996).
Potential Medication  Interactions  No significant interactions were found.
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