Collection of Plant material
The matured leaves of each plant were collected
from Chennai and surrounding areas in Tamil
Nadu, India and the plant species were
authenticated by Mr. S. Mutheeswaran, Entomology Research Institute, Loyola College,
Chennai. Voucher specimens (ERI-LA-MOS- 210 - 214) of each plant species were deposited
in the herbarium of the institute. Collected leaves
were shade- dried for five days and coarsely
powdered using an electric blender.