Table 2. Culture parameters for free and immobilized Bifidobacterium animalis subsp. lactis Bb 12 cells growing without pH control ht uppercase letters indicate differences between free cell mediaLCWP, MCWP and HCWP, while left uppercase letters indicate differences between HCWP free cell culture and immobilized cell cultures witha significance level P < 0.05.

h

f

A

B

Y_X/S

Y_P/S

m

K_S

μ_m

p_m g L^-1

p’_m g L^-1

x_m g L^-1

Total sum square

Toxic power

With

Without

Media

Biomass

Acids production

Biomass

Acids production

Free cell

LCWP

0.3^d

0^c

1^c

0.2^b

0.05^b

0.5^b

0.02^c

0.8^b

0.2

9.35

11.7^a

1.25^a

3.8 x 10^-4

1.04

2 x 10^-2

1.9

MCWP

1.1^a

0.2^a

4^a

0.5^a

0.06^b

0.57^a

0.24^a

1^a

0.28

17.7

20.5^b

1.92^b

3.7 x 10^-3

1.8

1.4 x 10^-1

3.7

HCWP

^a0.95^b

^c0.1^b

^b3^b

0.12^b

^c0.1^a

^b0.49^b

^a0.15^b

^b1.1^a

0.36

^b16.2

^c17.6^c

^c3.45^c

8.3 x 10^-3

0.3

2 x 10^-1

4.2

Immobilized cell

Gellan Xanthan

^c0.55

^b0.2

^b3

^b0.1

^bc0.11

^a0.49

^c0.04

^b1.1

0.3

^a16.9

^b19

^b4.1

1.7 x 10^-2

4 x 10^-2

6.4 x 10^-1

1.7

Alginate chitosan

^c0.6

^b0.3

^b3

^b0.1

^ab0.12

^a0.5

^d0.06

^b1.2

0.28

^a17

^b19.2

^a4.6

4.9 x 10^-2

3.6 x 10^-1

7.5 x 10^-1

1.8

carageenan-locust been

^b0.75

^a0.5

^a4

^b0.1

^ab0.13

^ab0.47

^b0.08

^a1.5

0.34

^a17

^a19.8

^a4.8

6.7 x 10^-3

8.3 x 10^-1

5.7 x 10^-1

2.8