Research Article
Antioxidants, Phytochemicals, and Cytotoxicity Studies on Phaleria macrocarpa (Scheff.) Boerl Seeds
Table 2
Results of chemical constituents of P. macrocarpa seeds.
| No. | Tests | Reagents | Observation |
| 1 | Alkaloids | Wagner’s reagent Mayer’s reagent Dragendorff’s reagent Sodium picrate solution | + + + + | 2 | α-Amino acids | Ninhydrin reagent | + | 3 | Carbohydrates | 10% α-naphthol and conc: H2SO4 | ++ | 4 | Cyanogenic glycosides | Sodium picrate solution | + | 5 | Flavonoids | Mg and conc: HCl | ++ | 6 | Glycosides | 10% lead acetate | ++ | 7 | Organic acids | Bromothymol blue | + | 8 | Phenolic compounds | 1% FeCl3 | ++ | 9 | Reducing sugars | Fehling’s solutions A and B | + | 10 | Saponin glycosides | Distilled water | ++ | 11 | Starch | Iodine solution | + | 12 | Steroids | Acetic anhydride and conc: H2SO4 | ++ | 13 | Tannins | 1% Gelatin | ++ | 14 | Terpenoids | Acetic anhydride and conc: H2SO4 | ++ |
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+++: large amount; ++: medium amount; +: small amount; −: absent; +: present.
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