Table S3. Acidity of ayran samples.
t/day | Sample | ||||||||
---|---|---|---|---|---|---|---|---|---|
Ctr 1 | Ctr 2 | A5 | A5+MTG | A10 | A10+MTG | A15 | A15+MTG | ||
pH value | |||||||||
1 | 4.28±0.05 | 4.27±0.04 | 4.34±0.09 | 4.40±0.01 | 4.40±0.04 | 4.42±0.06 | 4.39±0.10 | 4.42±0.10 | |
7 | 4.13±0.07 | 4.11±0.05 | 4.18±0.09 | 4.22±0.05 | 4.21±0.08 | 4.23±0.11 | 4.27±0.13 | 4.26±0.11 | |
15 | 4.12±0.08 | 4.08±0.04 | 4.15±0.06 | 4.17±0.00 | 4.16±0.01 | 4.16±0.00p | 4.19±0.05 | 4.19±0.06 | |
Titratable acidity (as lactic acid)/% | |||||||||
1 | (0.48±0.01)a | (0.47±0.00)a | (0.49±0.01)a | (0.49±0.03)a | (0.53±0.05)b | (0.53±0.05)b | (0.55±0.05)b | (0.55±0.06)b | |
7 | 0.51±0.01 | 0.51±0.02 | 0.54±0.06 | 0.52±0.04 | 0.59±0.04 | 0.60±0.04 | 0.61±0.06 | 0.61±0.06 | |
15 | 0.52±0.05 | 0.52±0.04 | 0.56±0.07 | 0.54±0.07 | 0.60±0.05 | 0.61±0.06 | 0.61±0.09 | 0.63±0.07 |
Mean value±S.E. (N=2) in the same row with different letters show significant differences among samples (p<0.05). Ctr 1 and 2=samples without RWP and MTG (1) and with MTG (2) as control; A5, A10 and A15=samples with 5, 10 and 15% RWP; A5+MTG, A10+MTG and A15+MTG=samples with 5, 10 and 15% RWP and 0.5 U/g MTG; RWP=reconstituted whey powder; MTG=microbial transglutaminase