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Table 1 Effect of varying geraniin concentrations on DENV-2 residual infectivity

From: Geraniin extracted from the rind of Nephelium lappaceum binds to dengue virus type-2 envelope protein and inhibits early stage of virus replication

Concentration of Geraniin (μM)

Residual Infectivity (PFU/ml)

0

5.18 × 105

0.41

5.15 × 106

0.82

5.55 × 107

1.64

3.93 × 107

3.28

4.95 × 105

6.57

5.20 × 104

13.13

5.75 × 104

26.26

5.55 × 104

52.52

5.78 × 104

105

3.88 × 104

  1. Virucidal effect of geraniin on DENV-2 was studied by quantifying the infectivity of DENV-2 that remained after it has been exposed to geraniin. DENV-2 with a titer of 6.74 × 106 PFU/ml was used on varying geraniin concentrations for 6 h at 26 °C and the residual infectivity determined