Table 2.

Mean values and standard error of inhibitory zones generated by the antimicrobial compound for Gram (+ve) and Gram (−ve) bacteria.

	Average Zone (mm) ± Std Error
Concentration (µg/disc)	E. coli	S. typhi	B. subtilis	S. aureus
800	14.8 ± 0.83	12.8 ± 0.83	11.8 ± 1.09	8 ± 0.71
400	9 ± 0.71	11.8 ± 0.56	13 ± 0.71	10.8 ± 1.92
200	8.5 ± 0.50	11.3 ± 0.83	11 ± 1.87	11.5 ± 0.93
100	8.5 ± 0.41	11 ± 0.35	8 ± 0.71	10.3 ± 0.83
50	8.3 ± 0.82	10.2 ± 0.89	9.5 ± 0.50	9.5 ± 0.79
25	7.5 ± 0.50	10.7 ± 0.65	7.5 ± 0.50	8.2 ± 0.89
12.5	7.3 ± 0.43	8.8 ± 0.56	10.3 ± 0.43	10.7 ± 1.19
6.25	7.3 ± 0.25	7.7 ± 0.41	7.5 ± 0.5	7.7 ± 0.41