Table 2. Minimal inhibitory concentration (MIC) of organic acids on B. subtilis and A. ruber

Strain	Organic acid (M)
	Acetic acid	Lactic acid	Citric acid	Maleic acid
B. subtilis	2.7	3.5	0.9	0.025
A. ruber	0.025	0.25	0.5	0.025