“…As mentioned earlier, the plants of the genus Piper have a great diversity of secondary metabolites and are known for their immunomodulatory, anti-inflammatory, antinociceptive, antipyretic, anti-platelet, antifungic, cytotoxic, antitumor, gastroprotective, anxiolytic and antidepressive properties (Majdalawieh and Carr, 2010;Sunila and Kuttan, 2004;Ganguly et al, 2007;Chiou et al, 2003;Rodrigues Silva et al, 2008;Xie et al, 2011;Yao et al, 2009;Rodrigues et al, 2009;Sireeratawong et al, 2010;Koroishi et al, 2008;Marques et al, 2007;Quílez et al, 2010;Morikawa et al, 2004;Zakaria et al, 2010;Cícero et al, 2007;Navickiene et al, 2000;Bezerra et al, 2006; for review see Sarris et al, 2011). In addition, the literature suggests that the essential oil obtained from some species of Piper also have various biological activities, such as anti-parasitic, insecticidal, larvicidal, antimicrobial, antifungal and antioxidant properties Misni et al, 2011;Salleh et al, 2011;da Silva et al, 2010da Silva et al, , 2011Monzote et al, 2010;Magalhães et al, 2012).…”