Table 4. Analysis of microbial contamination when using polyethylene gloves (Unit: Log10 CFU/g)

Medium Microbial strain Pre-experiment Right after After 1 h After 2 h After 4 h After 8 h After 10 h
Latex gloves Plate count bacteria ND ND ND ND ND ND ND
Escherichia coli ND ND ND ND ND ND ND
Staphylococcus aureus ND ND ND ND ND ND ND
Salmonella spp. ND ND ND ND ND ND ND
Listeria monocytogenes ND ND ND ND ND ND ND
Cutting board Plate count bacteria ND ND ND ND ND ND ND
Escherichia coli ND ND ND ND ND ND ND
Staphylococcus aureus ND ND ND ND ND ND ND
Salmonella spp. ND ND ND ND ND ND ND
Listeria monocytogenes ND ND ND ND ND ND ND
Knife Plate count bacteria ND ND ND ND ND ND ND
Escherichia coli ND ND ND ND ND ND ND
Staphylococcus aureus ND ND ND ND ND ND ND
Salmonella spp. ND ND ND ND ND ND ND
Listeria monocytogenes ND ND ND ND ND ND ND
Meat Plate count bacteria 5.07±0.16a 4.86±0.14b 4.36±0.06c 4.76±0.03b 4.10±0.10d 4.09±0.05d 4.43±0.03c
Escherichia coli ND ND ND ND ND ND ND
Staphylococcus aureus ND ND ND ND ND ND ND
Salmonella spp. ND ND ND ND ND ND ND
Listeria monocytogenes ND ND ND ND ND ND ND
All values are mean ± SD of three replicates.
For the same row, alphabets indicate significant difference (p < 0.05) (Duncan’s multiple t-test).
ND, not detected.