D.carry out the test as described in the ‘’Thin-layer Chromatography” (Appendix 3.1),using silica gel 60 F254 as the coating substance and chloroform as mobile phase bet allowing the solvent ascend 15 cm above the line of application. Apply to the plate, 10 ul of the test solution prepared by refluxing 1 g of the sample, in powder, with 30 ml of ethanol for 15 minutes, filtering, and concentrating the filtrate to 5 ml. After removal of the plate, allow it to dry in air, and examine under ultraviolet light (254 nm, 366 nm), locating the spots (Table 1); see also Fig. 3. Spray the plate with anisaldehyde TS and heat at 105 for 5 minutes. Several spots of different colours are observed (Table 1); see also Fig. 3.