Table 4. pH and titratable acidity of Cheonggukjang prepared by the mixed cultures of B. subtilis MJ226 and biogenic amine-degrading lactic acid bacteria

Biogenic amines-degrading lactic acid bacteria	pH	Titratable acidity (%)
Control	6.92±0.20	0.21±0.02
Lactobacillus acidophilus D11	5.13±0.01*	1.05±0.02*
Lactobacillus acidophilus D38	5.78±0.16*	0.55±0.01*
Lactobacillus sakei D44	5.22±0.08*	0.86±0.02*
Lactobacillus plantarum D70	5.62±0.03*	0.58±0.05*
Lactobacillus pentosus D74	5.40±0.07*	0.79±0.06*

Data are means±SD from triplicate determinations.
^*Significantly differ (p<0.05) from the control group by Student’s t-test.