Table 2.

Average pH and titratable acidity values for non-fermented probiotic milk samples with probiotics during storage periods at 4 °C (0, 7, and 14 days)

Sample	pH			Titratable acidity
	Storage period (day)			Storage period (day)
	0	7	14	0	7	14
MS	6.84 ± 0.01a	6.34 ± 0.00a	6.27 ± 0.02a	11.97 ± 0.06b	16.00 ± 0.04c	18.93 ± 0.31b
MGG	6.77 ± 0.00c	6.15 ± 0.00c	6.07 ± 0.01b	14.90 ± 0.10a	19.93 ± 0.15a	21.43 ± 0.32a
MLN	6.78 ± 0.00b	6.16 ± 0.00b	6.06 ± 0.01b	14.60 ± 0.35a	19.33 ± 0.25b	21.10 ± 0.36a

All values are mean ± standard deviation

MS milk, MGG milk with L. rhamnosus GG, MLN milk with L. plantarum Ln1

^a−cThe superscript lowercase letters in the same column indicate statistical differences by ANOVA (p < 0.05)