Table 1.
Changes in pH and titratable acidity of barley yogurt during the storage period at 4°C.

Sample Period of storage (days)
1 3 6 9 12
Control pH 4.52±0.02a 4.46±0.01b 4.46±0.02b 4.45±0.02a 4.44±0.00b
Titratable acidity (%) 0.94±0.01b 1.00±0.01a 1.00±0.01a 0.98±0.03a 0.99±0.02a
Barley yogurt pH 4.42±0.01a 4.38±0.02b 4.37±0.01b 4.35±0.04b 4.36±0.05b
Titratable acidity (%) 1.01±0.06c 1.13±0.03ba 1.11±0.01b 1.12±0.05ba 1.14±0.04a
The values indicate the mean±SD of triplicate.
Means with the same letter in column are not significantly different by Duncan’s multiple range test (p<0.05).