Table 1. The ΔOD ₆₀₀ (mean ± SD) value of RAcc-royalisn and nisin against three Gram-positive bacterial strains at different concentrations.

Strains	Concentration	1000	500	250	125	62.5	31.25	15.6	7.8	3.9	CK
	(µg/ml)
	RAcc-Royalisin	0.0010	0.0075	0.0203	0.0304	0.3205	0.3167	0.3211	0.4167	0.4474	0.5764
M. flavus		±0.0006	±0.0022	±0.0026	±0.0006*	±0.0057	±0.0054	±0.0035	±0.0044	±0.0022	±0.0081
	Nisin	0.0103	0.0018	0.0013	0.0036	0.2832	0.3150	0.3167	0.3208	0.4160*	0.5764
		±0.0005	±0.0006	±0.0004	±0.0008*	±0.0055	±0.0008	±0.0054	±0.0039	±0.0050	±0.0081
	RAcc-Royalisin	0.0010	0.0011	0.0032	0.2822	0.3065	0.3178	0.3348	0.4068	0.4390	0.5956
S. aureus		±0.0002	±0.0003	±0.0004*	±0.0097	±0.0116	±0.0055	±0.0183	±0.0038	±0.0097	±0.0083
	Nisin	0.0258	0.0367	0.0396	0.1281	0.2707	0.2844	0.2931	0.3074	0.3284	0.3508
		±0.0106	±0.0060	±0.0008*	±0.0088	±0.0152	±0.0089	±0.0066	±0.0116	±0.0096	±0.0219
	RAcc-Royalisin	0.0010	0.0012	0.0032	0.0148	0.0183	0.3145	0.3428	0.4123	0.4430	0.6006
B.subtilis		±0.0001	±0.0002	±0.0004	±0.0045	±0.0018*	±0.0054	±0.0062	±0.0022	±0.0045	±0.0042
	Nisin	0.0071	0.0071	0.0135	0.0127	0.0058	0.1963	0.2144	0.2593	0.2643	0.2679
		±0.0043	±0.0053	±0.0042	±0.0099	±0.0018*	±0.0042	±0.0119	±0.0104	±0.0089	±0.0227

n = 3;

“*”:MICs are concentrations where the average ΔOD ₂₆₀ value was not greater than 0.05.