Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2004 by Universidad Católica de Valparaíso -- Chile
Vol. 7 No. 3, Issue of December 15, 2004
 

Table 1. b-galactosidase activity and amount of SCP production in yeast strains.

Isolate No.

Yeast Species

Enzyme activity (EU/ml)

Biomass yield (g/L) in whey as culture medium

YEPD medium

whey as culture medium

Without supplementation

With ammonium sulphate (0.8 g/L)

Co-culture of yeast strains and S. cerevisiae + ammonium sulphate

M1

K. lactis

2113

-

7.31 ± 0.22

-

-

M2
K. lactis
8103
5266
11.79 ± 0.12
15.35 ± 0.25
22.38 ± 0.3
M3
K. marxianus
3530
-
8.1 ± 0.2
-
-
M4
K. marxianus
3858
-
7.92 ± 0.19
-
-
M5
K. lactis
5487
5020
11.09 ± 0.17
15 ± 0.34
17.11 ± 0.32
M6
K. lactis
4040
-
10.95 ± 0.4
14.34 ± 0.18
16 ± 0.27
M7
K. lactis
1889
-
9.41 ± 0.3
12.83 ± 0.3
-
M8
K. marxianus
4481
-
10 ± 0.31
13.5 ± 0.11
-
M9
C. versatilis
3301
-
10.19 ± 0.11
13.69 ± 0.1
-
M10
K. lactis
2494
-
8.73 ± 0.21
12.1 ± 0.28
-
M11
K. marxianus
5357
4642
11.54 ± 0.1
15.75 ± 0.14
19.58 ± 0.2

Supported by UNESCO / MIRCEN network