Table 4 Distribution of TPC, TC and total yeasts and moulds according to the display of bread (inside and outside the shop), Alexandria, 2021–2022
From: Microbiological quality of some packed and unpacked bread products in Alexandria, Egypt
Display of bread | |||
|---|---|---|---|
Inside the shop N = 106 | Outside the shop N = 58 | p-value | |
Total plate count (CFU/g) | |||
Mean ± SD | 1.98 × 105 ± 6.1 × 105 | 1.94 × 106 ± 1.0 × 107 | p < 0.001* U = 4490.5 |
Median (IQR) | 1.65 × 102 (3.72 × 104) | 6.1 × 104 (5.69 × 105) | |
Min–Max | 0.0–5.3 × 106 | 0.0–7.7 × 107 | |
Total yeasts and moulds (CFU/g) | |||
Mean ± SD | 1.53 × 103 ± 5.66 × 103 | 1.12 × 104 ± 3.46 × 104 | p = 0.001* U = 4046.5 |
Median (IQR) | 0.0 (1.25 × 102) | 1.0 × 102 (1.0 × 103) | |
Min–Max | 0.0–5.0 × 104 | 0.0–1.5 × 105 | |
Total coliforms (MPN/g) | |||
Mean ± SD | 14.0 ± 104.8 | 23.8 ± 144.3 | p = 0.558 U = 3268.5 |
Median (IQR) | 3.0 (0.0) | 3.0 (0.0) | |
Min–Max | 3.0–1.1 × 103 | 3.0–1.1 × 103 | |