Research Article
The Methanolic Extract from Murraya koenigii L. Inhibits Glutamate-Induced Pain and Involves ATP-Sensitive K+ Channel as Antinociceptive Mechanism
Table 1
Phytochemicals identified in MEMK.
| Phytochemicals | Names of the tests | Expected changes | Results |
| 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 | − |
| Tannins | Ferric chloride test | Blue green color | + | Alkaline reagent test | Yellow to red precipitate | + |
| Glycosides | General test | Yellow color | + | Test for glucoside | Production of brick-red precipitation | + |
| 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 | + | Test for reducing sugar | A brick-red precipitate | + |
| Flavonoids | Hydrochloric acid reduction test | Red color | + |
| Saponins | Frothing test | Formation of stable foam | − |
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