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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)