MATERIALS AND METHODS Collection and processing of plant samples
The leaves of C. aurantifolia, C. hystrix, C. maxima, C. reticulata, Murraya koenigii and C. medica . The leaves of four different samples was taken in four different trays and were dried under shade at room temperature for 3 weeks. The dried plant samples (leaves) were taken separately and ground using an electric blender to obtain a fine powder. The powdered samples were stored in a clean glassware container until further use.