Research Article
Evaluation of Sedative and Hypnotic Activity of Ethanolic Extract of Scoparia dulcis Linn.
Table 6
Phytochemicals identified in EESD.
| Phytochemicals | Name of the tests | Observed changes | Result |
| Alkaloids | Mayer’s test | Yellowish buff color precipitate | + | Hager’s test | Yellow crystalline precipitate | − | Wagner’s test | Brown or deep brown precipitate | − | Dragendorff’s test | Orange or orange-brown precipitate | + | Tannic acid test | Buff color precipitate | − |
| Glycosides | General test | Yellow color | + | Test for glucoside | Production of brick-red precipitation | + |
| Flavonoids | Hydrochloric acid reduction test | Red color | + |
| Carbohydrates | Molisch’s test | A red or reddish violet ring is formed at the junction of two layers and on shaking a dark purple solution is formed | + | Barfoed’s test (general test for monosaccharides) | Red precipitate | − | Fehling’s test | A red or brick-red precipitate | + | Benedict’s test | | − | Test for reducing sugar | A brick-red precipitate | + |
| Saponins | Frothing test | Formation of stable foam | + |
| Steroids | Sulphuric acid test | Red color | + |
| Tannins | Ferric chloride test | Blue green color | − | Alkaline reagent test | Yellow to red precipitate | + |
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