“…can produce severe adverse effects such as vomiting, diarrhea, convulsions and even death (Amorin, 1974;Ratera and Ratera, 1980;Toursarkissian, 1980). Results of previous studies on Huperzia saururus showed that its main constituents are alkaloids; sauroine, a novel alkaloid (Ortega et al, 2004a), sauroxine, 6-hydroxylycopodine, N-acetyllycodine, lycopodine, lycodine, N-methyllycodine, and clavolonine were isolated and identified (Ortega et al, 2004b) (Fig. 1).…”