“…A decoction of the roots is used to treat fever and rheumatism (Perry & Metzger, 1980). The leaf of the plant has been reported to show fungicidal (Kumar, Karunaratne, Sanath, Meegalle, & Macleod, 1990), antioxidant and nitric oxide inhibitory activities (Abas, Lajis, Israf, Khozirah, & Umi Kalsom, 2006), while its aerial parts shown antibacterial (Manandhar, Hussaini, Kapil, & Shoeb, 1985;Rasadah & Zakaria, 1988). Phytochemical studies on the leaves of the species collected from Sri Lanka revealed the presence of furoquinone alkaloids and acetophenones (Kumar et al, 1990), while the leaves collected in Vietnam were shown to contain benzopyrans as major constituents (Kamperdick, Van, Sung, & Adam, 1997;Nguyen, Kamperdick, Tran, & Adam, 1998).…”