Skip to main content

Table 3 Antioxidant activity of S. crispus leaves, extracted with different solvent and collected from three different locations

From: Phytochemical constituents and biological activities of different extracts of Strobilanthes crispus (L.) Bremek leaves grown in different locations of Malaysia

Sampling location

Solvent

DPPH free radical scavenging activity (%)

IC50 (μg/mL)

Ferric reducing antioxidant potential (μM of Fe (II)/g)

IC50 (μg/mL)

Penang

aqueous

54.6 ± 2.776c

78.3 ± 2.64c

117.6 ± 4.305g

80.6 ± 3.47c

ethanol

41.7 ± 3.261f

146.5 ± 3.60a

59.8 ± 4.026h

148.3 ± 3.48a

Selangor

aqueous

62.4 ± 2.226b

58.2 ± 2.01d

180.6 ± 6.208e

63.2 ± 2.16d

ethanol

49.2 ± 1.894e

117.6 ± 2.64b

126.7 ± 4.550f

122.6 ± 2.77b

Kelantan

aqueous

73.8 ± 3.385a

44.1 ± 3.16e

267.5 ± 9.568b

52.8 ± 1.76e

ethanol

55.4 ± 2.628c

80.5 ± 3.28c

201.8 ± 7.452d

80.7 ± 3.04c

BHT

51.6 ± 3.441d

37.5 ± 1.59f

250.6 ± 7.255c

40.7 ± 1.15f

α-tocopherol

60.2 ± 4.266b

26.4 ± 1.24g

322.1 ± 10.150a

29.1 ± 1.52g

  1. All analyses are the mean of triplicate measurements ± standard deviation. Means not sharing a common letter in each column were significantly different at p < 0.05