Research Article

Antioxidant and Antibacterial Assays on Polygonum minus Extracts: Different Extraction Methods

Table 1

Antioxidant activity in P. minus extracts.

ExtractPartPhenolic content (mg GAE/100 g)FRAP value (µmol Fe (II)/g)DPPH inhibition (%)

Distilled waterLeaf472.2 ± 75.4491.5 ± 61.659.8 ± 3.1
Whole482.2 ± 14.1479.6 ± 58.250.3 ± 5.9

MethanolLeaf645.6 ± 166.7633.3 ± 13.490.4 ± 0.4
Whole626.1 ± 22.2591.4 ± 13.086.6 ± 2.5

-HexaneLeaf48.7 ± 1.8235.9 ± 17.11.3 ± 0.8
Whole51.9 ± 2.2249.8 ± 3.57.7 ± 1.2

SFELeaf139.9 ± 1.1265.9 ± 7.35.3 ± 1.7
Whole140.1 ± 1.8256.5 ± 2.214.3 ± 1.6

Carbon dioxide at 150 bars and temperature of 40°C.