Table-3.

MIC and MBC of oak bark extracts and heather extract.

Bacterial cultures	Oak bark 30% ethanol, mg/mL		Oak bark 70% acetone, mg/mL		Heather herb 30% ethanol, mg/mL
	MIC	MBC	MIC	MBC	MIC	MBC
E. coli ATCC	6.16	6.1	5.99	5.99	18.27	18.27
E. coli V252	12.34	12.34	11.98	26.96	18.27	18.27
E. coli V4	12.34	12.34	11.98	11.98	18.27	18.27
S. aureus ATCC	3.08	3.08	1.49	2.99	1.14	4.56
S. aureus V256	1.54	3.08	0.78	1.49	1.14	2.28
S. agalactiae V171	24.68	24.68	23.96	23.96	18.27	36.53
S. uberis V243	24.68	49.4	47.92	35.93	36.50	73.06
S. liquefaciens V251	- *	- *	47.92	47.92	73.06	73.06

^*Was not tested since showed no effect in disk diffusion test. MIC=Minimum inhibitory concentration, MBC=Minimum bacterial concentration, E. coli=Escherichia coli, S. agalactiae=Streptococcus agalactiae, S. uberis=Streptococcus uberis, S. liquefaciens=Serratia liquefaciens, S. aureus=Staphylococcus aureus