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

Table 5

IC₅₀ values against the DPPH free radical scavenging activity of the plant extracts.

Plant samples	IC50 for DPPH radical scavenging (μg/mL)
Pogostemon benghalensis	35.92 ± 0.65
Aleuritopteris bicolor	87.72 ± 2.32
Crateva unilocularis	67.55 ± 0.70
Rungia pectinata	98.18 ± 2.41
Ascorbic acid	17.42 ± 0.30

Note: values are the mean ± SD (n = 3),  = positive control.