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. 2019 Nov 18;9(63):36967–36981. doi: 10.1039/c9ra07630a

Preliminary phytochemical investigation of aqueous leaf extract of Dolichos lablab L.a.

S. no. Test Chemical constituents Result
1 Mayer's test Alkaloid +
2 FeCl3 solution Phenol +
3 NaOH Flavonoid +
4 Fehling solution Carbohydrate
5 Conc. HNO3 Amino acid and protein +
6 Methanol, chloroform, H2SO4 Terpenoid +
7 Shake with water Saponin +
a

Where, (+) indicates presence and (−) indicates absence.