Guayusa (Ilex guayusa Loes.) is grown in the Amazonian territories of southern Colombia, northern Peru, and Ecuador.
The main compounds present in the guayusa extracts were caffeine, squalene and -amyrin.
Some extracts obtained from guayusa leaves showed antifungal activity.[1:1]
Disease / Symptom Treatment
Title: A critical review of the composition and history of safe use of guayusa: a stimulant and antioxidant novel food
Publication: Critical Reviews in Food Science and Nutrition
Date: August 2019
Study Type: Review
Author(s): Graham Wise & Adam Negrin
Institution(s): University of Wisconsin-Milwaukee, USA; Lehman College, Bronx, New York, USA
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