Semipurified Ethyl Acetate Partition of Methanolic Extract of Melastoma malabathricum Leaves Exerts Gastroprotective Activity Partly via Its Antioxidant-Antisecretory-Anti-Inflammatory Action and Synergistic Action of Several Flavonoid-Based Compounds

Table 1

Phytochemical screening of PEMM, EAMM, and AQMM.

Phytoconstituents	PEMM	EAMM	AQMM
Alkaloids	—	—	—
Saponins	1+	2+	2+
Flavonoids	1+	1+	—
Tannins	1+	2+	3+
Triterpenes	2+	—	—
Steroids	3+	1+	—

Phytoconstituent content scoring.
Alkaloids: + negligible amount of precipitate; ++ weak precipitate; +++ strong precipitate.
Saponins: + 1-2 cm froth; ++ 2-3 cm froth; +++ >3 cm froth.
Flavonoids, tannins, and triterpenes: + weak color; ++ mild color; +++ strong color.