|
Control pH 6.5, 37°C
|
Uncontrolled pH 37°C
|
pH 6 37°C
|
pH 5.5 37°C
|
pH 5 37°C
|
30°C pH 6.5
|
25°C pH 6.5
|
---|
Total C
|
66.73 ± 2.26
|
63.70 ± 5.3
|
65.87 ± 0.7
|
69.62 ± 4.2
|
68.81 ± 0.5
|
71.21 ± 7.4
|
66.34 ± 1.1
|
Total O
|
27.58 ± 2.6
|
30.70 ± 3.3
|
25.72 ± 0.4
|
20.60 ± 3.3
|
24.78 ± 0.3
|
24.61 ± 0.2
|
24.61 ± 1.4
|
Total N
|
4.49 ± 0.4
|
5.86 ± 0.5
|
7.58 ± 1.2
|
9.03 ± 2.6
|
6.45 ± 0.5
|
6.88 ± 1.1
|
8.01 ± 0.4
|
Total P
|
1.20 ± 0.5
| |
0.83 ± 0.3
| | | |
1.04 ± 0.3
|
O/C
|
0.41 ± 0.04
|
0.48 ± 0.06
|
0.39 ± 0.01
|
0.30 ± 0.05
|
0.36 ± 0.01
|
0.35 ± 0.03
|
0.37 ± 0.02
|
N/C
|
0.07 ± 0.01
|
0.09 ± 0.01
|
0.11 ± 0.02
|
0.13 ± 0.04
|
0.09 ± 0.01
|
0.10 ± 0.01
|
0.12 ± 0.01
|
P/C
|
0.02 ± 0.01
| |
0.01 ± 0.01
| | | |
0.02 ± 0.01
|
C-(C,H)
|
31.68 ± 3.06
|
46.04 ± 7.52
|
35.19 ± 2.70
|
44.13 ± 6.90
|
31.68 ± 2.19
|
36.93 ± 0.71
|
34.82 ± 4.97
|
C-(O,N)
|
45.79 ± 2.11
|
37.81 ± 3.62
|
42.80 ± 1.7
|
31.20 ± 7.80
|
46.51 ± 1.38
|
40.56 ± 0.60
|
43.9 ± 3.91
|
C = O, O-C-O
|
17.62 ± 0.81
|
16.07 ± 2.24
|
19.11 ± 1.05
|
19.28 ± 1.35
|
18.62 ± 0.72
|
18.25 ± 1.44
|
18.92 ± 0.97
|
COOR
|
4.91 ± 3.26
|
1.26 ± 0.33
|
2.91 ± 0.27
|
1.59 ± 0.31
|
3.21 ± 0.25
|
4.27 ± 1.54
|
2.41 ± 0.30
|
O-(C,P)
|
71.64 ± 2.30
|
65.74 ± 3.47
|
68.39 ± 4.20
|
52.77 ± 0.29
|
70.94 ± 1.02
|
56.38 ± 0.69
|
58.52 ± 6.30
|
O = (C,P)
|
21.79 ± 2.27
|
30.48 ± 1.10
|
4.33 ± 0.12
|
47.40 ± 6.05
|
21.53 ± 1.58
|
37.27 ± 1.80
|
32.96 ± 4.92
|
O-H-O
|
6.56 ± 3.75
|
1.78 ± 0.33
|
27.21 ± 30.43
|
4.37 ± 2.21
|
7.53 ± 0.57
|
6.36 ± 1.11
|
3.92 ± 0.11
|
- Results are presented as mean ± SD (standard deviation).