Table 4. Mean values of enzymatic activity levels for amylases, cellulases, and acid and alkaline phosphatases determined from malt broth filtrates after culturing strains D1 and D2 of Descolea antarctica at different pH levels. |
Strains |
pH |
Extracellular enzymes |
||||
|
|
A |
B |
C |
D |
|
|
4 |
0.120 ± 0.029 c |
0.060 ± 0.000 b |
1.720 ± 0.012 a |
1.770 ± 0.000 a |
|
|
5 |
0.245 ± 0.026 b |
0.010 ± 0.000 c |
0.355 ± 0.006 d |
0.320 ± 0.018 e |
|
|
6 |
0.680 ± 0.006 a |
0.015 ± 0.003c |
0.355 ± 0.006 d |
0.415 ± 0.009 d |
|
|
7 |
0.050 ± 0.006 d |
0.005 ±0.000c |
0.090 ± 0.000 f |
0.090 ± 0.000 g |
|
D1 |
8 |
0.040 ± 0.000 d |
0.008 ± 0.000 c |
0.150 ± 0.006 ef |
0.150 ± 0.006 f |
|
|
9 |
0.009 ± 0.001 d |
0.005 ± 0.000 c |
0.105 ± 0.003 f |
0.115 ± 0.003 g |
|
|
10 |
0.010 ± 0.000 d |
0.009 ± 0.000 c |
0.150 ± 0.000 ef |
0.340 ± 0.029 e |
|
|
11 |
0.003 ± 0.002 d |
0.058 ± 0.002 b |
1.165 ± 0.003 b |
1.360 ± 0.012 b |
|
|
*pH 5.5 |
0.008 ± 0.000 d |
0.004 ± 0.000 c |
0.350 ± 0.023 d |
0.540 ± 0.000 c |
|
|
4 |
0.008 ± 0.001 d |
0.019 ± 0.009 c |
0.015 ± 0.003 g |
0.170 ± 0.000 f |
|
|
5 |
0.007 ± 0.002 d |
0.110 ± 0.006 a |
0.180 ± 0.006 e |
0.030 ± 0.000 h |
|
|
6 |
0.018 ± 0.002 d |
0.020 ± 0.006 c |
0.135 ± 0.003 ef |
0.006 ± 0.000 h |
|
|
7 |
0.017 ± 0.001 d |
0.012 ± 0.006 c |
0.140 ± 0.017 ef |
0.010 ± 0.000 h |
|
D2 |
8 |
0.012 ± 0.004 d |
0.021 ± 0.012 c |
0.740 ± 0.000 c |
0.015 ± 0.003 h |
|
|
9 |
0.290 ± 0.007 b |
0.018 ± 0.010 c |
0.240 ± 0.006 de |
0.020 ± 0.000 h |
|
|
10 |
0.120 ± 0.006 c |
0.021 ± 0.001 c |
0.305 ± 0.032 d |
0.105 ± 0.003g |
|
|
11 |
0.040 ± 0.006 d |
0.020 ± 0.000 c |
0.310 ± 0.029 d |
0.420 ±0.006 d |
|
|
*pH 5.5 |
0.008 ± 0.001 d |
0.010 ± 0.000 c |
0.285 ± 0.009 d |
0.140 ± 0.006 f |
*pH: pH
control. |
|