Chemistry Reference
In-Depth Information
Table 5.5.
Microbial sources of
-galactosidases used for the production of galacto-
oligosaccharides
Reactive
linkage and
initial
product
Strain name or
trade name/s (if
available)
Reference
(see
below)
Optimum
pH
Optimum
temp., 8C
Microbial species
Kluyveromyces
marxianus ssp.
lactis
Maxilact
GODO-YNL2
1
6.0-7.0
37-45
6
0
-galactosyl
lactose
Kluyveromyces
fragilis
2
6.9-7.3
40-44
6
0
-galactosyl
lactose
6
0
-galactosyl
lactose,
and 3
0
-
galactosyl
lactose
Aspergillus oryzae
ACIDOLACT
3
3.5-6.5
50-55
Aspergillus niger
4
3.0-4.0
55-65
4
0
-galactosyl
lactose
Bacillus circulans
Biolacta N5
5
6.0
55-60
4
0
-galactosyl
lactose
Bacillus
stearothermophilus
6
6.0-6.4
50-65
3
0
-galactosyl
lactose
Streptococcus
thermophilus
TS2
7
6.5-7.5
55-57
6
0
-galactosyl
lactose
Lactobacillus spp.
8
5.0-7.0
40
6
0
-galactosyl
lactose
Bifidobacterium spp.
DSM 20083
NCIMB 41171
9
7.5
6.8-7.0
39
40
4
0
-galactosyl
lactose
Cryptococcus laurentii
OKN-4
10
4.3
55-60
4
0
-galactosyl
lactose
Sporobolomyces
singularis (syn.
Bullera singularis
mutants of ATCC
24193
11
Sterigmatomyces
elviae
CBS 8119
12
4.5-5.0
80-85
4
0
-galactosyl
lactose
Rhodotorula minuta
IFO 879
13
?
Geotrichum
amycelium
ATCC 56046
14
?
4
0
-galactosyl
lactose
Sirobasidium magnum
CBS 6803
15
4.5-5.5
65
Sulfolobus
solfataricus
P-2
16
2.5-3.5
75-80
?
Thermotoga maritima
recombinant
17
6.0
80
?
Thermus sp.
Thermus caldophilus
Z-1
recombinant
GK-24
recombinant
18
6.0
5.0-6.0
70-80
70-90
?
(Continued )
