. 2020 Feb 5;25:e00432. doi: 10.1016/j.btre.2020.e00432

Table 4.

pH and acidity of 0, 7, 21 and 42 days old Doogh beverage (Mean ± SD of two replications) in different experimental groups.

Time of measuring (day)	Group	pH	Acidity
0	Free bacteria	4.11 ± 0.01^b	70.25 ± 0.35 ^a
	Microencapsulated bacteria	4.15 ± 0.01^a	69.75 ± 1.06^a
	Control	4.16 ± 0.00^a	69.00 ± 1.41 ^a
P value of between group analysis		P = 0.008^d	P=0.551
7	Free bacteria	3.72 ± 0.11^a	77.25 ± 0.07 ^a
	Microencapsulated bacteria	3.84 ± 0.05^a	75.55 ± 0.07^a
	Control	3.89 ± 0.01^a	73.50 ± 0.71^b
P value of between group analysis		P = 0.173	P = 0.007^e
21	Free bacteria	3.50 ± 0.01^b	88.95 ± 0.07 ^a
	Microencapsulated bacteria	3.63 ± 0.02^a	79.30 ± 0.14^b
	Control	3.64 ± 0.02^a	78.00 ± 0.00 ^c
P value of between group analysis		P = 0.007^f	P < 0.001^g
42	Free bacteria	2.82 ± 0.03 ^b	110.10 ± 0.14^b
	Microencapsulated bacteria	3.34 ± 0.06 ^a	90.10 ± 0.14^a
	Control	3.37 ± 0.03^a	89.35 ± 0.21^a
P value of between group analysis		P = 0.002^h	P<0.00ⁱ
P value of within group analysis	0,7, 21, 42	<0.001^j	<0.001^k

Different letters indicate significant differences between groups in each day.