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	++

+++: large amount; ++: medium amount; +: small amount; −: absent; +: present.