Table 4 Hydroxyl radical scavenging activity (%) of P. hysteroporus flower extracts

HX

56.75 ±1.04

63.07 ±0.72

66.66 ±0.72

70.45 ±1.45

BZ

57.07 ±1.29

66.41 ±0.74

73.66 ±0.70

77.46 ±1.91

CH

34.57 ±1.01

38.41 ±1.15

43.81 ±2.32

55.04 ±1.25

EA

34.33 ±1.35

39.33 ±1.36

44.93 ±0.65

49.73 ±1.36

AC

45.51 ±0.69

54.53 ±1.48

68.44 ±1.28

73.57 ±1.59

ET

50.54 ±1.70

57.30 ±0.94

69.23 ±0.75

73.80 ±1.64

AQ

53.89 ±1.59

58.19 ±1.01

63.20 ±2.10

70.21 ±1.07

BHT

44.61 ±0.64

55.61 ±0.96

62.80 ±2.43

80.35 ±1.13