Modes of Antiviral Action of Chemical Portions and Constituents from Woad Root Extract against Influenza Virus A FM1

Figure 3

Direct virucidal effect of pure compounds and chemical portions from woad root extract on influenza A1 virus FM1: (a) cell control; (b) virus control; (c) CB (1 : 2); (d) epigoitrin; (e) PEP (1 : 2); (f) PEP + ALK + OA (1 : 2); (g) ribavirin (1 : 4).

(a)

(b)

(c)

(d)

(e)

(f)

(g)