Strain of
Lactococcus lactis
General quantity of cells inGoryaev (Thoma) chamber CFU/ml
% viable cells in population General quantity of viable cells
Optical density
% viable cells, but not forming colonies
0 h
5 days
0 h
5 days
0 h
5 days
0 days
5 days
MSU type A
1± 0.11×10
8
1.8 ± 0.2×10
9
99.9
99.2
0.2
0.7
-
96.8
-------------------
---------------------
-----------------
------------------
1± 0.11×10
8
5.7 ± 0.6×10
7
9.9 ± 1.1×10
7
1.8 ± 0.2×10
9
MSU type B
9.0 ± 1×10
7
8.1 ± 0.9×10
7
99.9
99
0.1
0.1
-
97.7
--------------------
--------------------
----------------
----------------
9.0 ± 1×10
7
1.8 ± 0.2×10
6
9.9 ± 1×10
7
8.0 ± 0.9×10
7
729 type A
6.5 ± 0.7×10
7
2.4 ± 0.3×10
9
98
97.2
0.1
0.7
-
99.6
-----------------------
--------------------
0
------------------
6.4 ± 0.7×10
7
8.7 ± 1×10
6
6.4 ± 0.7×10
7
2.3 ± 0.3×10
9
729 type B
1 ± 0.1×10
8
6.1 ± 0.7×10
7
98
100
0.1
0,1
-
98.9
----------------------
--------------------
-----------------
-----------------
9.8 ± 1.1×10
7
6.5 ± 0.7×105
9.7 ± 1.1×10
7
6.1 ± 0.7×10
7
F-116 type A
9.0 ± 1×10
7
1.4 ± 0.2×10
9
97.9
100
0.1
0.8
-
86.8
----------------------
--------------------
----------------
------------------
9.7 ± 1.1×10
7
1.9 ± 0.2×10
8
8.8 ± 1×10
7
1.5 ± 0.2×10
9
F-116 type B
7.3 ± 0.8×10
7
7.3 ± 0.8×10
7
98.5
100
0.1
0.1
-
82.1
---------------------
---------------------
-----------------
-----------------
7.2 ± 08×10
7
1.3 ± 0.2×10
7
7.0 ± 0.8×10
7
7.4 ± 0.8×10
7
Table 1:
Characteristics of viability parameters of L. lactis populations on 0 and 5 days of incubation.