Table 2.

MIC for the most effective antibiotics of the antibiotic sensitivity test of the B. cereus strains has been provided where Epsilometer test ^a (E‐test) for MIC was used. MIC₉₀ and MIC₅₀ imply minimum inhibitory concentration for 90% and 50% inhibition of the test microorganism, respectively. Amphotericin B ^b (AmB) is a polyene antibiotic frequently applied in the treatment of fungal infections. The unit was used in µg/ml

Antibiotics	Method a	MIC (µg/ml) for the Bacillus cereus strains
		B. cereus HKS 1–1			B. cereus LOCK 1002			B. cereus BF2
		Range	MIC50 †	MIC90 ‡	Range	MIC50 †	MIC90 ‡	Range	MIC50 †	MIC90 ‡
Tetracycline	E‐test	0.08–34	1.5	7	0.083–30	1	6.25	0.05–32	1	7
Streptomycin	E‐test	16–64	34	48	16–60	35	54	16–62	36	58
Penicillin G	E‐test	0.012–>32	30	32	0.015–>32	32	32	0.014–>36	32	36
Vancomycin	E‐test	1–16	3	6	1–16	4	8	1–16	4	8
Cefotaxime	E‐test	0.1–>30	>27	>30	0.1–>28	>21	≥28	0.1–>31	≥23	>31
Gentamicin	E‐test	0.099–≥0.84	0.46	≥0.84	0.094–≥0.79	0.51	≥0.79	0.091–≥0.73	0.48	≥0.73
Erythromycin	E‐test	0.035–3.05	0.081	1.63	0.035–3.05	0.093	1.81	0.032–3.05	0.066	1.53
Amoxicillin	E‐test	1.6–16	8	16	1.6–16	8	16	1.6–17	8.4	17
bAmphotericin B	E‐test	0.03–1	0.575	0.875	0.03–1	0.525	0.775	0.03–1	0.8	1

^†Minimum inhibitory concentration for 50% inhibition (MIC₅₀)

^‡90% inhibition (MIC₉₀)