Results
Table 1 shows the locations where the mushroom samples were
purchased in China. The amounts of samples obtained are also
indicated and in some locations, two samples from different
retail units were purchased. Forty-eight samples, consisting of 27
Shiitake (L. edodes) and 21 Wood Ear mushrooms (A. auricular)
from different regions of China were analyzed for spores of both
proteolytic C. botulinum and non-proteolytic C. botulinum. Some
samples from the same city were pooled. For the detection test,
all samples were negative for the presence of spores of proteolytic
C. botulinum and non-proteolytic C. botulinum (data not shown).