From: Assessment and molecular characterization of Bacillus cereus isolated from edible fungi in China
Sample | Contamination rate (%) a | MPN value (MPN/g) b | Positive sample contamination level (MPN/g) c | ||
---|---|---|---|---|---|
MPN < 3 | 3 ≤ MPN < 1100 | 1100 ≤ MPN | |||
Flammulina velutiper | 20.6 (45/218) | 13/45 (28.9%) | 31/45 (68.9%) | 1/45 (2.2%) | 55.5 |
Pleurotus ostreatus | 34.5 (39/113) | 4/39 (10.3%) | 33/39 (84.6%) | 2/39 (5.1%) | 91.7 |
Lentinus edodes | 57.8 (63/109) | 5/63 (7.9%) | 58/63 (92.1%) | 0/63 (0.0%) | 24.6 |
Pleurotus eryngii | 14.7 (14/95) | 4/14 (28.6%) | 10/14 (71.4%) | 0/14 (0.0%) | 6.8 |
Hypsizygus marmoreus | 16.0 (15/94) | 2/15 (13.3%) | 13/15 (86.7%) | 0/15 (0.0%) | 49.9 |
Other species | 31.4 (22/70) | 3/22 (13.6%) | 17/22 (77.3%) | 2/22 (9.1%) | 113.3 |
Total | 28.3 (198/699) | 31/198 (15.7%) | 162/198 (81.8%) | 5/198 (2.5%) | 55.4 |