“…The composition of yerba mate has been partially characterized and it includes a variety of polyphenols, xanthines, caffeoyl derivatives, saponins, and minerals that may be responsible for pharmacological activity (Alikaridis, 1987;Gosmann and Schenkel, 1989;Carini et al, 1998;Clifford and Ramírez-Martínez, 1990;Filip et al, 2001;Bastos et al, 2006;Bravo et al, 2007;Cardozo et al, 2007;Heck and de Mejia, 2007;Marques and Farah, 2009) (Table 1). Studies have suggested that yerba mate leaves may have antioxidant (Gugliucci and Stahl, 1995;Carini et al, 1998;Filip et al, 2000;Bastos et al, 2006;Anesini et al, 2006;Bastos et al, 2007;Pagliosa et al, 2010), antiobesity (Andersen and Fogh, 2001), antidiabetic (Lunceford and Gugliucci, 2005), diuretic (Gorgen et al, 2005), chemopreventative, antifungal , and stimulant (Filip et al, 1998;Athayde et al, 2000) properties.…”