Table 2 Microbial contaminations (aerobic bacteria, coliform, Escherichia coli, and Vibrio cholerae) of the fishery products and the environmental samples collected from the fishery auction market A and B in spring (March–April)
Samples | Time | Bacteria | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Aerobic bacteria (CFU/g or CFU/mL or CFU/100 cm2) | Coliform (CFU/g or CFU/mL or CFU/100 cm2) | E. coli (CFU/g or CFU/mL or CFU/100 cm2) | V. cholerae (MPN/100 g or MPN/100 mL or MPN/100 cm2) | ||||||||
V. cholerae O1 | V. cholerae non-O1 | ||||||||||
Market A | Market B | Market A | Market B | Market A | Market B | Market A | Market B | Market A | Market B | ||
Fishery products | |||||||||||
Flounder | Before auction | 1.0 × 103 | − | 7.2 × 10 | – | < 15 | – | < 20 | – | < 20 | – |
During auction | 1.5 × 102 | – | 1.9 × 102 | – | < 15 | – | < 20 | – | < 20 | – | |
After auction | 6.6 × 103 | – | 9.3 × 10 | – | < 15 | – | < 20 | – | < 20 | – | |
Octopus | During auction | 2.2 × 104 | – | 1.2 × 102 | – | < 15 | – | < 20 | – | < 20 | – |
Skate | During auction | 2.2 × 102 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | – |
Before auction | – | 9.0 × 10 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | |
Monkfish | During auction | – | 7.5 × 102 | – | 1.1 × 102 | – | < 15 | – | < 20 | – | < 20 |
After auction | – | 1.2 × 103 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | |
Before auction | – | 5.1 × 10 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | |
Flatfish | During auction | – | 3.9 × 10 | – | < 15 | – | < 15 | – | < 20 | – | < 20 |
After auction | – | 1.3 × 103 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | |
Before auction | – | < 15 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | |
Comb pen shell | During auction | – | < 15 | – | < 15 | – | < 15 | – | < 20 | – | < 20 |
After auction | – | < 15 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | |
Environmental samples | |||||||||||
Water | 2.7 × 10 | 1.5 × 102 | < 15 | < 15 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | |
3.0 × 10 | 6.1 × 102 | < 15 | < 15 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | ||
– | 1.1 × 103 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | ||
Seawater | 4.3 × 103 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | – | |
Ice | – | 1.4 × 103 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | |
Wooden box | 2.2 × 106 | 1.1 × 106 | 1.6 × 102 | < 15 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | |
1.7 × 104 | 5.2 × 107 | 6.0 × 10 | 2.5 × 102 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | ||
Plastic box | 8.0 × 103 | 1.1 × 104 | < 15 | < 15 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | |
5.8 × 103 | 5.8 × 103 | 1.5 × 102 | < 15 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | ||