Table 1.

Phytochemical analysis of P. soyauxii aqueous extract.

Secondary metabolites	Aqueous extract of Pterocarpus soyauxii heartwood
Flavonoids (mg EQ/g)	63.42 ± 2.16
Polyphenols (mg EAG/g)	229.42 ± 3.62
Tannins (mg ETA/g)	27.88 ± 0.23

mg ETA/g = mg equivalent of tannic acid per gram of extract. mg EGA/g = mg equivalent of gallic acid per gram of extract. mg EQ/g = mg equivalent of quercetin per gram of extract.