Vasorelaxant and Antioxidant Effects of Aframomum pruinosum Gagnep. (Zingiberaceae) Seed Extracts May Mediate Their Cardioprotective Activity against Isoproterenol-Induced Myocardial Infarction

Table 1

Phytochemical constituents of the aqueous and ethanolic extracts from Aframomum pruinosum seeds.

	Aqueous extract	Ethanolic extract
Alkaloids	−	−
Saponins	++	+++
Glycosides	++	+++
Reducing sugars	++	++
Total phenols (mg gallic acid/g sample)	5.56 ± 0.19	6.66 ± 0.10
Total flavonoids (mg quercetin/g sample)	14.52 ± 0.23	19.32 ± 0.17

−(absent), ++ (moderately present), +++ (present in great amount). statistically different compared to the aqueous extract.