Table 1.
The microbial quality of yoghurt samples as a function of production area and producer during the dry season (I).
| Samples | Location | Microbial colony counts (log 10 CFU/ml) | ||||
|---|---|---|---|---|---|---|
| Total bacterial count | Coliform counts | Total fungal counts | Yeast counts |
Mould counts | ||
| V | Dschang | 11.63 ± 0.10ij | 4.33 ± 0.16defg | 4.27 ± 0.13c | 4.02 ± 0.21bc | 3.56 ± 0.24cdef |
| P | Dschang | 9.28 ± 0.00cd | 5.12 ± 0.09g | 6.12 ± 0.13i | 4.97 ± 0.11c | 4.26 ± 0.11f |
| G | Dschang | 11.04 ± 0.11f | 4.29 ± 0.20defg | 5.56 ± 0.24h | 3.73 ± 3.23b | 1.10 ± 1.90ab |
| NR | Bamenda | 11.56 ± 0.02ij | 4.40 ± 0.03efg | 4.63 ± 0.07ef | 4.47 ± 0.19bc | 4.05 ± 0.18def |
| S | Bamenda | 11.78 ± 0.02k | 4.00 ± 0.19cdef | 4.25 ± 0.07bc | 4.17 ± 0.11bc | 2.40 ± 0.17bcde |
| D | Bamenda | 9.62 ± 0.02e | 3.88 ± 0.50cde | 4.34 ± 0.13cd | 4.27 ± 0.09bc | 2.35 ± 2.05bcd |
| MR | Bamenda | 8.80 ± 0.06a | 4.73 ± 0.09fgh | 4.91 ± 0.09g | 4.87 ± 0.08bc | 3.60 ± 0.30cdef |
| MB | Bamenda | 9.40 ± 0.17d | 3.53 ± 0.40cd | 5.04 ± 0.12g | 4.94 ± 0.15bc | 4.11 ± 0.13ef |
| PA | Bamenda | 9.16 ± 0.02bc | 3.30 ± 0.00c | 0.00 ± 0.00a | 0.00 ± 0.00a | 0.00 ± 0.00a |
| SY | Bamenda | 9.17 ± 0.07bc | 4.82 ± 0.16fgh | 4.93 ± 0.06g | 4.91 ± 0.07bc | 2.40 ± 2.07bcde |
| PV | Bamenda | 9.15 ± 0.05b | 3.53 ± 0.40cd | 4.43 ± 0.03cde | 4.38 ± 0.15bc | 2.20 ± 1.90bc |
| T | Bafoussam | 11.36 ± 0.14h | 6.90 ± 0.08i | 4.54 ± 0.13de | 4.54 ± 0.13bc | 0.00 ± 0.00a |
| Ce | Bafoussam | 11.18 ± 0.04g | 1.25 ± 2.18b | 4.02 ± 0.10b | 4.02 ± 0.10bc | 0.00 ± 0.00a |
| C | Bafoussam | 11.30 ± 0.08h | 5.37 ± 0.04h | 4.83 ± 0.07fg | 4.63 ± 0.13bc | 3.50 ± 0.17cdef |
| K | Bafoussam | 11.30 ± 0.05h | 4.31 ± 0.19defg | 4.61 ± 0.04ef | 4.11 ± 0.35bc | 2.53 ± 2.20bcdef |
|
| ||||||
| AA | Commercial 1 | 9.54 ± 0.05e | 4.57 ± 0.31efgh | 4.84 ± 0.49fg | 4.84 ± 0.49bc | 0.00 ± 0.00a |
| BB | Commercial 2 | 11.35 ± 0.03h | 0.00 ± 0.00a | 0.00 ± 0.00a | 0.00 ± 0.00a | 0.00 ± 0.00a |
| CC | Commercial 3 | 11.48 ± 0.11i | 4.81 ± 0.05fgh | 4.65 ± 0.10ef | 4.65 ± 0.10bc | 0.00 ± 0.00a |
Values are mean ± SD of 3 determinants. Along the columns, values with the same letter (a, b, c, d, e, f, and g) are not significantly different (p > 0.05).