Treatment** Parameters
M-pH-DR*** M-A-IR M-RP-IR Peak time Incubation time Final acidity
(pH/min) (°D/min) (mV/min) (min-min) (min) (°D)
Y- 45 - 4.5 - BL 0.0087b 0.13b 0.54a 120-150 240b 41.4b
Y- 45 - 4.5 - H - BL 0.0087b 0.13b 0.54a 120-150 240b 41.4b
BlY - 40 -4.5 0.0088a 0.14a 0.51b 150-180 250a 43.2a
*Means in the same column with different letters are significantly different (p<0.05). ** Y= Yoghurt cultures (S. thermophilus and L. delbrueckii ssp. bulgaricus); Bl = B. animalis spp. lactis, Bb = B. bifidum; 40/45 = Incubation temperature; 4.5/= Final pH; H =Heat treatment after fermentation.
*** M-pH-DR = mean pH drop rate, M-A-IR = mean acidity increase rate, M-RP-IR= mean redox potential increase rate.
Table 1: Mean pH drop rate, acidity increase rate, redox potential increase rate, incubation time, final acidity, and peak time in treatments during fermentation or at the end of fermentation*.