“…There have been considerable number of reviews on plant PIs describing their classification (Turra et al, 2011;Volpicella et al, 2011), biochemical and structural properties (Antao and Malcata, 2005;Bateman and James, 2011;Oliva et al, 2011), their role in plant physiology (Schaller, 2004;Salas et al, 2008;Roberts and Hejgaard, 2008), insect-plant co-evolution (Jongsma and Beekwilder, 2011), and their application in different areas including pest control (Lawrence and Koundal, 2002;, nutritional (Clemente et al, 2011) as well as pharmaceutical (Gomes et al, 2011) applications.…”