International Journal of Phytomedicine and Phytotherapy
Table 1 Phytochemical constituents identified in the methanol and petroleum ether extracts of C. renigera seed extracts
From: Evaluation of bioactivities of methanol and petroleum ether extracts of Cassia renigera seed
Phytochemicals | Name of the test | Observed changes | Result | |
|---|---|---|---|---|
CRSM | CRSP | |||
Alkaloids | Mayer’s test | Creamy white precipitate | + | – |
Hager’s test | Yellow crystalline precipitate | ++ | + | |
Wagner’s test | Brown or deep brown precipitate | + | – | |
Dragendorff’s test | Orange or orange-red precipitate | + | – | |
Carbohydrates | Molisch’s test (General test for Carbohydrates) | 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(for reducing sugar) | A red or brick-red precipitate | + | + | |
Test for combined Reducing Sugar | A brick-red precipitate | + | +/− | |
Glycosides | General test | Yellow color | + | – |
Test for Glucoside | Production of brick-red precipitation (carried out with the hydrolyzed extract) | + | – | |
Flavonoids | General test | Red color | + | + |
Saponins | Frothing test | Formation of stable foam | + | + |
Steroids | Libermann-Burchard’s test | Greenish color | + | – |
Tannins | Lead acetate test | A yellow or red precipitate | + | + |