tial concentrations (102 CFU/mL) found in the solution
which immerses tofu Tofu prepared
with 0.1% and 0.2% addition of shell powder did not
show any changes of viable counts by the second day and
the fourth day of storage, respectively. However, viable
microbial counts of tofu prepared with a single use of
MgCl2 increased more rapidly than those of tofu prepared
with shell powder during longer storage periods.