Table 5. Aerial microbiological evaluation in each working area
(CFU/plate/15 min)

Contents Result Average
1st 2nd 3rd 4th 5th
Raw material storage room Total plate count Yeast & mold 12 14 11 10 12 11.8
2 2 1 1 0 1.2
Thawing room Total plate count Yeast & mold 5 5 3 5 0 3.6
0 1 1 2 1 1.0
Mixing room Total plate count Yeast & mold 5 2 5 3 2 3.4
0 2 1 1 2 1.2
Packing room Total plate count Yeast & mold 4 3 2 2 1 2.4
0 0 0 1 0 0.2
Product storage room Total plate count Yeast & mold 10 7 15 3 9 8.8
2 2 0 0 1 1.0
ND: not detected.