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Table 5 Cellular percentage of protection in combined treatments with virus compared to control groups

From: South African medicinal plant extracts active against influenza A virus

Treatment

Extract type

Percentage of protection

(mean ± SD)

Co-pen

Pre-pen

Post-pen

Pittosporum viridiflorum, 2

Cold water

49.26 ± 10.78ab

64.19 ± 28.68bcd

56.61 ± 20.33bc

Pittosporum viridiflorum, 3

Acetone

81.71 ± 14.37e

81.69 ± 23.00de

79.67 ± 13.33d

Pittosporum viridiflorum, 4

30% ethanol

47.29 ± 9.44ab

75.09 ± 17.48cde

63.84 ± 25.29bcd

Pittosporum viridiflorum, 5

100% ethanol

43.97 ± 18.11a

46.29 ± 12.70ab

35.60 ± 14.63a

Pittosporum viridiflorum, 6

Methanol

38.27 ± 18.56a

71.45 ± 18.57cde

68.54 ± 22.62cd

Cussonia spicata, 9

Acetone

74.87 ± 13.14de

88.45 ± 17.11e

70.34 ± 6.59cd

Cussonia spicata, 11

100% ethanol

50.50 ± 18.12ab

76.68 ± 12.20de

47.22 ± 6.28ab

Cussonia spicata, 12

Methanol

41.94 ± 10.49a

42.54 ± 17.52a

45.69 ± 12.00ab

Rapanea melanophloeos, 13

Methanol

68.75 ± 18.78cde

78.75 ± 9.03de

74.39 ± 19.81cd

Tabernaemontana ventricosa, 14

Methanol

53.13 ± 26.48abc

55.90 ± 30.94abc

59.65 ± 22.68bcd

Clerodendrum glabrum, 15

Methanol

63.63 ± 19.51bcd

74.22 ± 15.10cde

71.87 ± 22.00cd

Amantadine hydrochloride

–

73.94 ± 9.94de

69.88 ± 10.02cde

64.50 ± 10.29bcd

Oseltamivir carboxylate

–

79.44 ± 9.89de

79.26 ± 12.85de

61.37 ± 11.71bcd

  1. Data presented as mean ± SD are averages of 4 independent tests. Different letters show significant differences in each column (Duncan Grouping)