strains

pH

Acidity(% lactic acid)

 

Storage duration(Days)

Storage duration (Days)

 

1

5

10

15

20

1

5

10

15

20

L.acidophilus LA5

6.56 ± 0.07

6.62 ± 0.06

6.61 ± 0.1

6.54 ± 0.09

6.43 ± 0.22

0.127 ± 0.007

0.135 ± 0.009

0.135 ± 0.009

0.14 ± 0.000

0.153 ± 0.015

B.lactis Bb 12

6.54 ± 0.03

6.61 ± 0.03

6.66 ± 0.03

6.64 ± 0.07

6.63 ± 0.08

0.127 ± 0.007

0.133 ± 0.015

0.135 ± 0.010

0.135 ± 0.013

0.135 ± 0.013

L.plantarum

6.53 ± 0.02

6.63 ± 0.03

6.64 ± 0.06

6.60 ± 0.09

6.61 ± 0.04

0.127 ± 0.007

0.140 ± 0.017

0.133 ± 0.003

0.138 ± 0.012

0.145 ± 0.010

L.rhamnosus

6.47 ± 0.03

6.02 ± 0.46

5.95 ± 0.51

5.58 ± 0.64

5.33 ± 0.95

0.133 ± 0.015

0.195 ± 0.043

0.223 ± 0.081

0.263 ± 0.100

0.315 ± 0.130

Control
(no bacteria)

6.48 ± 0.05

6.48 ± 0.04

6.30 ± 0.00

6.07 ± 0.03

5.85 ± 0.07

0.13 ± 0.000

0.132 ± 0.025

0.150 ± 0.002

0.180 ± 0.004

0.285 ± 0.015

Table 2: Changes in pH and acidity of milk/carrot juice drinks by probiotic strains during storage at 4°C.