Table 3 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 summer (June–July)
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 | 1.6 × 103 | − | 3.2 × 102 | – | < 15 | – | < 20 | – | < 20 | – |
During auction | 1.9 × 103 | – | 1.9 × 102 | – | < 15 | – | < 20 | – | < 20 | – | |
After auction | 2.0 × 104 | 8.4 × 104 | 6.6 × 102 | 1.0 × 104 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | |
Before auction | 7.5 × 102 | – | 1.4 × 102 | – | < 15 | – | < 20 | – | < 20 | – | |
Rock cod | During auction | 1.3 × 103 | – | 1.9 × 102 | – | < 15 | – | < 20 | – | < 20 | – |
After auction | 1.0 × 103 | – | 3.3 × 102 | – | < 15 | – | < 20 | – | < 20 | – | |
Before auction | 2.2 × 103 | – | 2.6 × 102 | – | < 15 | – | < 20 | – | < 20 | – | |
Sea bass | During auction | 1.9 × 103 | – | 2.0 × 102 | – | < 15 | – | < 20 | – | < 20 | – |
After auction | 9.9 × 103 | – | 2.6 × 103 | – | < 15 | – | < 20 | – | < 20 | – | |
Comb pen shell | After auction | – | 3.5 × 102 | – | 4.5 × 10 | – | < 15 | – | < 20 | – | < 20 |
Snail | After auction | – | 1.4 × 102 | – | 4.2 × 10 | – | < 15 | – | < 20 | – | < 20 |
Corb shell | After auction | – | 3.9 × 103 | – | 6.6 × 102 | – | < 15 | – | < 20 | – | < 20 |
Flatfish | After auction | – | 1.1 × 106 | – | 1.2 × 105 | – | < 15 | – | < 20 | – | < 20 |
Rock cod | After auction | – | 3.8 × 104 | – | 8.4 × 103 | – | < 15 | – | < 20 | – | < 20 |
Conger eel | After auction | – | 3.6 × 104 | – | 3.6 × 103 | – | < 15 | – | < 20 | – | < 20 |
Environmental samples | |||||||||||
Water | 8.1 × 103 | 6.6 × 102 | 3.2 × 103 | 1.4 × 102 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | |
Seawater | 1.6 × 103 | – | 5.7 × 102 | – | < 15 | – | < 20 | – | < 20 | – | |
Ice | – | 1.4 × 102 | – | < 15 | – | < 15 | – | < 20 | – | < 20 | |
Wooden box | 1.3 × 107 | 1.3 × 106 | 2.5 × 104 | 4.0 × 105 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | |
Plastic box | 3.3 × 106 | 1.5 × 105 | 1.0 × 103 | 2.4 × 104 | < 15 | < 15 | < 20 | < 20 | < 20 | < 20 | |