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Table 2 Antiviral Activity of crude aqueous fraction and partially purified peptide fractions on three NPESC members

From: In vitro antiviral activity of peptide-rich extracts from seven Nigerian plants against three non-polio enterovirus species C serotypes

Extract

CC50 (µg/mL)

CV-A13

CV-A20

EV-C99

IC50 (µg/mL)

SI

IC50 (µg/mL)

SI

IC50 (µg/mL)

SI

ABp

167.2

33.31

5.0

NA

NA

NA

NA

ACc

24.3

NA

NA

2.67

9.1

1.64

14.8

ACp

20.5

NA

NA

1.09

18.8

1.18

17.3

ICc

109.8

NA

NA

1.75

62.9

1.85

59.5

ICp

19.7

NA

NA

0.54

36.4

0.54

36.8

EHic

81.6

2.81

29.0

1.65

49.3

0.80

102.5

EHip

159.0

0.94

169.0

1.96

81.0

0.53

301.7

EHuc

167.5

17.28

9.7

19.57

8.6

9.45

17.7

EHup

169.0

20.94

8.1

5.47

30.9

5.30

31.9

EGc

33.2

1.969

16.8

NA

NA

0.644

51.6

EGp

39.1

3.203

12.2

1.663

23.5

0.531

73.6

PAp

68.0

NA

NA

1.11

61.5

0.59

116.3

  1. c—crude aqueous fraction; p—partially purified peptide fraction; NA—not active; SI—selective index; CC50—50% cytotoxic concentration; IC50—50% inhibitory concentration; CVA13—Coxsackievirus A13; CVA20—Coxsackievirus A20; EVC99—Enterovirus C99