S.No | Experiment | Observation | Inference |
---|---|---|---|
1. | With picric acid soln. | Slight yellowish brown | Mild amount of Alkaloids present |
2. | With water | On shaking, less persistent froth | Saponin glycoside |
3. | With Molisch reagent | No purple or violet colour is obtained | Carbohydrates absent |
4. | With FeCl3 | Yellowish green colour is obtained | Condensed tannins are present |
5. | With Fehling soln. | No brick red colour is produced | Sugars are absent |
6. | With filter paper | On pressing, no oily stain produced | Lipids are absent |