Table 3. Analysis of microbial contamination when using cotton 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
Cotton gloves Plate count bacteria NDc 2.15±0.15b 2.93±0.15a 3.39±0.49a 3.16±0.56a 3.10±0.40a 3.09±0.62a
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 NDb 2.95±0.48a 3.23±0.53a 3.12±0.52a 3.37±0.37a 3.29±0.33a 3.27±0.22a
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 NDc 2.07±0.07b 2.71±0.71ab 2.57±0.27ab 2.91±0.61a 3.10±0.40a 2.94±0.46a
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 4.40±0.04c 5.13±0.13b 5.44±0.01a 5.08±0.04b 5.06±0.06b 5.09±0.05b 5.11±0.07b
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.