Table 1.

Antibacterial activity^a expressed in MICs and cytotoxicity over Caco-2 cells expressed in IC₅₀ (MTT assay)

Compound Nr	MIC (µM)			Cytotoxicity IC50 (µM)
	B. anthracis			E. faecalis	B. cereus	24 h	48 h
	Sterne	Pathogenic	Ovine
1	25	25	25	50	25	100	> 50
2	24	48	48	> 48	48	> 50	> 50
3	27	54	54	> 54	27	> 100	100
4	25	25	25	> 50	25	100	50
5	202	101	101	101	202	n.d.	n.d.
6	24	24	48	48	n.d.	n.d.	n.d.
7	26	52	52	52	n.d	> 100	100
8	26	26	52	52	n.d.	n.d.	n.d.
9	50	50	50	50	25	100	50
10	27	27	27	> 54	27	> 100	> 100
11	12.6	12.6	12.6	12.6	12.6	n.d.	50
12	> 405	> 405	> 405	> 405	> 405	n.d.	50
13	386	12.0	12.0	12.0	386	100	> 50
14	104	51	51	51	51	n.d.	n.d.
15	51	51	51	51	51	n.d.	n.d.
16	24	24	> 48	> 48	48	n.d.	n.d.
17	26	52	52	> 52	52	> 100	> 100
18	26	26	52	52	52	> 100	> 50
19	50	25	50	50	25	n.d.	n.d.
20	25	50	50	> 50	50	n.d.	n.d.
21	28	28	28	56	28	> 100	100
Ref.b	25	25	25	19	19	n.d.	n.d.

^aMüller–Hinton agar dilution method following CLSI guidelines¹⁵. ^bChloramphenicol