Values of CC50, IC50 and

Extract	MNTC^a (µg/ml)	CC₅₀^b(µg/ml)	IC50^c (µg/ml)	SId^d
B232	125	144	49	2.9
B137	500	918	34	27
B204	62.5	95	12	8
B255	125	78.25	14.6	5.35
B373	50	175	4.5	39
B149	125	187	30	6.2
B177	62.5	104	47	2.2

^aMNCT: Maximum Nontoxic Concentration; ^bCC₅₀: extract concentration able to reduce 50% cell growth; ^cIC₅₀: extract concentration able to inhibit 50 % viral replication; ^dSI: selectivity index.

Table 2: Values of CC50, IC50 and SI of active and promising extracts