TABLE 3.
Detection of V. parahaemolyticus from various foods
| Seafood samplea | Total no. ofb:
|
Test resultc on indicated agar after enrichment with:
|
||||
|---|---|---|---|---|---|---|
| NTSB-SPB
|
SPB
|
|||||
| Viable bacteria | Coliform bacteria | N-TCBS | CV | N-TCBS | CV | |
| Short-necked clam 1 | 5.09 | 4.09 | ++ | +++ | ++ | +++ |
| Short-necked clam 2 | 6.90 | 4.14 | ++ | +++ | ++ | +++ |
| Short-necked clam 3 | 6.81 | 3.98 | ++ | +++ | +++ | +++ |
| Short-necked clam 4 | 4.18 | 2.21 | + | ++ | ++ | +++ |
| Codfish | 3.86 | 2.93 | + | ++ | + | + |
| Grunt | 5.62 | 3.65 | + | + | − | + |
| Horse mackerel 1 | 3.24 | ND | − | − | − | − |
| Horse mackerel 2 | 5.48 | 3.99 | + | ++ | − | + |
| Horse mackerel 3 | 6.03 | 4.12 | − | − | − | − |
| Mackerel | 4.73 | 1.53 | + | +++ | ++ | +++ |
| Octopus | 6.08 | 5.70 | + | ++ | + | ++ |
| Right-eyed flounder | 5.83 | 4.51 | ++ | + | − | − |
| Saury | 3.13 | 1.78 | + | ++ | ++ | ++ |
| Sardine 1 | 4.46 | 2.51 | − | + | + | ++ |
| Sardine 2 | 4.62 | 3.16 | + | + | + | ++ |
| Scallop 1 | 3.06 | 2.44 | + | + | − | + |
| Scallop 2 | 3.83 | 3.02 | + | + | − | − |
| Squid 1 | 3.68 | 1.90 | − | − | − | − |
| Squid 2 | 4.48 | 3.62 | − | − | − | − |
| Spiny top shell | 3.99 | 0.9 | − | + | − | − |
a
Different numbers indicate different packages.
b
Values are numbers of log CFU per gram. ND, not detected.
c
Appearance of V. parahaemolyticus on agar medium. −, no colonies of V. parahaemolyticus; +, less than 10 colonies of V. parahaemolyticus; ++, more than 11 colonies of V. parahaemolyticus; +++, most colonies were V. parahaemolyticus.