2.2. Collection of plant material
M. peregrina leaves were collected in June 2013 from Al-Batinah Region of Sultanate of Oman and authenticated by a botanist from College of Higher Technology, Muscat. The leaves were washed thoroughly with water to remove dust and dried under the shade at room temperature for 5 d. The dried leaves were ground using kitchen blender to obtain the course powder and kept in an air tight container till further use.