Analysis of Phenolic and Flavonoid Content, α-Amylase Inhibitory and Free Radical Scavenging Activities of Some Medicinal Plants

Table 3

Phytochemical analysis of the plant extracts.

Group of compounds	Pogostemon benghalensis	Aleuritopteris bicolor	Crateva unilocularis	Rungia pectinata
Alkaloids	+	−	+	+
Saponins	+	−	+	-
Polyphenols	+	+	+	+
Diterpenes	+	−	+	-
Glycosides	+	+	+	+
Coumarins	+	+	+	+
Tannins	+	−	+	+
Flavonoids	+	+	+	+
Reducing sugar	+	+	−	+

+ = presence, − = absence.