Table 4. Cell viability of probiotic mixture rehydrated with or without histidine

Sample name	log CFU/mL (cell survival %)
	T=0 min	T=15 min	T=30 min	T=45 min	T=60 min
Mixture with 0.03M histidine	7.47±0.11(100%)	7.46±0.10(95.6%)p=0.84	7.45±0.10(93.2%)p=0.73	7.44±0.05(90.1%)p=0.56	7.50±0.12(105.9%)p=0.72
Mixture without 0.03M histidine	7.23±0.20(100%)	7.18±0.14(84.1%)p=0.61	7.00±0.05(54.0%)p=0.06	7.03±0.08(57.6%)p=0.07	7.00±0.05(54.4%)p=0.07

The data are shown as mean ± standard deviation. Statistical analysis was performed by student’s t-test each time point compared to T0 of same group.
p<0.05,
p<0.01,
p<0.001.