“…stamineus leaves have been widely used for the treatment of many ailments. Many studies have demonstrated their utility, including their biological activities, in vitro (Akowuah et al, 2004;Awale et al, 2003;Olah et al, 2003) and their therapeutic benefits in rodents (Loon et al, 2005;Schut and Zwaving, 1993). In a study by Han et al, rats were administered different doses (5, 50 or 500 mg/kg/day) of a crude methanol extract of O. stamineus leaves for a period of 14 days.…”