Table 3 Changes of viable cell, pH and titratable acidity in 10% skim milk inoculated with isolated lactic strains during fermentation for 4 days at 37℃

		Fermentation time (day)
		0	1	2	3	4
		Viable cell (log No. CFU/mL)	KM2	7.18±0.131)^a2)	9.03±0.04^b	9.61±0.20^ab	8.98±0.03^b	8.60±0.07^c
KM24	7.57±0.54^a		8.74±0.07^c	9.56±0.22^ab	9.37±0.23^a	9.03±0.03^a
KM72	7.30±0.07^a		7.44±0.06^d	9.35±0.22^b	8.81±0.02^b	8.61±0.03^c
KM32	7.07±0.09^a		9.19±0.12^a	9.80±0.06^a	8.99±0.02^b	8.77±0.03^b
pH	KM2	6.50±0.02^b	5.34±0.03^b	4.96±0.06^b	4.64±0.02^b	4.72±0.04^a
	KM24	6.41±0.02^c	5.03±0.08^c	4.60±0.05^c	4.12±0.02^c	4.10±0.02^d
	KM72	6.49±0.01^b	6.10±0.02^a	5.46±0.05^a	4.85±0.02^a	4.63±0.03^b
	KM32	6.54±0.03^a	5.39±0.01^b	4.88±0.03^b	4.64±0.04^b	4.50±0.03^c
Titratable acidity (%)	KM2	0.21±0.01^b	0.63±0.01^ab	0.73±0.01^c	0.88±0.01^ab	0.91±0.03^a
	KM24	0.22±0.01^ab	0.79±0.01^a	0.87±0.01^a	1.04±0.02^a	1.02±0.02^b
	KM72	0.22±0.01^ab	0.43±0.01^b	0.70±0.01^d	0.76±0.04^b	0.80±0.01^ab
	KM32	0.23±0.01^a	0.64±0.01^ab	0.77±0.01^b	0.86±0.01^ab	0.81±0.01^ab

Value are means±SD of triplicate determinations.
^a-cMeans within each column with no common superscripts are significantly different (p<0.05).