Solvent

Concentration (µg/ml)

Total flavonoid content (TFC)

Total phenolic content (TPC)

DPPH scavenging activity (%)

Reducing

power activity

IC₅₀

(µg/ml)

Methanol

100

0.273 ± 0.022

0.352 ± 0.046

32.5

0.398 ± 0.033

189.62

200

0.482 ± 0.074

0.612 ± 0.062

49.4

0.605 ± 0.062

300

0.712 ± 0.083

0.843 ± 0.052

68.4

0.801 ± 0.043

400

1.021 ± 0.053

1.19 ± 0.034

85.0

0.971 ± 0.066

500

1.301 ± 0.026

1.35 ± 0.066

92.0

1.32 ± 0.045

Aqueous

100

0.235 ± 0.083

0.253 ± 0.073

22.4

0.373 ± 0.044

363.07

200

0.344 ± 0.053

0.502 ± 0.022

32.3

0.618 ± 0.029

300

0.447 ± 0.023

0.772 ± 0.051

43.0

0.735 ± 0.059

400

0.788 ± 0.095

1.02 ± 0.091

56.0

0.948 ± 0.028

500

0.972 ± 0.056

1.20 ± 0.027

67.0

1.21 ± 0.055

Vitamin C (Standard)

100

92.3

0.201 ± 0.028

57.93

200

93.8

0.495 ± 0.035

300

95.1

0.697 ± 0.008

400

95.8

0.992 ± 0.072

500

96.7

1.201 ± 0.030