Table 4: Bacteria isolated from bottled water at different storage duration (days).
| Bacteria Genera |
Number of Samples with Storage Duration, HPC/ml (%) |
| ≤30 |
31-60 |
61-90 |
91-120 |
121-150 |
151-180 |
>180 |
Total |
| Escherichia coli |
2 (0.5) |
4 (1.0) |
3 (0.8) |
4 (0.8) |
2 (0.5) |
1 (0.2) |
2 (0.5) |
18 (4.5) |
|
Staphylococcus spp. |
4 (1.0) |
9 (2.2) |
10 (2.5) |
7 (1.8) |
4 (1.0) |
1 (0.2) |
3 (0.8) |
38 (9.5) |
|
Stenotrophomonas spp. |
8 (2.0) |
15 (3.8) |
9 (2.2) |
8 (2.0) |
5 (1.2) |
1 (0.2) |
12 (3.0) |
58 (14.5) |
|
Corynebacterium spp. |
15 (3.8) |
14 (3.5) |
18 (4.5) |
10 (2.5) |
7 (1.8) |
3 (0.8) |
7 (1.8) |
74 (18.5) |
|
Flavobacterium spp. |
18 (4.5) |
21 (5.2) |
17 (4.2) |
9 (2.2) |
9 (2.2) |
4 (1.0) |
9 (2.2) |
87 (21.8) |
|
Enterobacter spp. |
21 (5.2) |
31 (7.8) |
24 (6.0) |
15 (3.8) |
8 (2.0) |
3 (0.8) |
8 (2.0) |
110 (27.5) |
|
Micrococcus spp. |
18 (4.5) |
39 (9.8) |
26 (6.5) |
21 (5.2) |
11 (2.8) |
2 (0.5) |
6 (1.5) |
123 (30.8) |
|
Pseudomonas spp. |
27 (6.8) |
35 (8.8) |
32 (8.0) |
16 (4.0) |
15 (3.8) |
4 (1.0) |
9 (2.2) |
138 (34.5) |
|
Acinetobacter spp. |
32 (8.0) |
36 (9.0) |
36 (9.0) |
27 (6.8) |
11 (2.8) |
2 (0.5) |
9 (2.2) |
153 (38.2) |
|
Bacillus spp. |
4 (10.5) |
57 (14.2) |
61 (15.2) |
42 (10.5) |
21 (5.2) |
6 (1.5) |
18 (4.5) |
247 (61.8) |