Sample | Aerobic bacteria | Total coliforms | Yeasts and moulds | Aspergillus species | Staphylococcus aureus |
Sesame seed (log10 CFU/g) | - | - | 2.31cd ± 0.13 | 1.17b ± 0.13 | - |
Crude sesame oil (log10 CFU/mg/ml) | 2.44cd ± 0.07 | 2.39d ± 0.14 | 2.31cd ± 0.08 | 1.33b ± 0.01 | 2.09dc ± 0.12 |
Municipal water (log10 CFU/mg/ml) | 1.58f ± 0.44 | 1.46f ± 0.28 | - | - | 0.67g ± 0.49 |
Ground Water (log10 CFU/mg/ml) | 2.76c ± 0.23 | 3.41c ± 0.14 | - | - | 0.83gf ± 0.31 |
Animal manure (log10 CFU/mg/ml) | - | 5.81a ± 0.48 | - | - | 1.24gef ± 0.28 |
Surface ((log CFU/m2) |
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Milling and pressing machine | 4.55ab ± 0.12 | 4.54b ± 0.12 |
| - | 2.87b ± 0.19 |
Filtration machine | 5.06a ± 0.09 | 4.52b ± 0.13 |
| - | 2.56bc ± 0.31 |
Filling machine | 4.34b ± 0.15 | 3.99bc ± 0.05 | 3.73b ± 0.09 | - | - |
Floor of sesame store | 4.83ab ± 0.13 | 4.47b ± 0.20 | 4.47a ± 0.07 | 3.50a ± 0.09 | 3.22ab ± 0.05 |
Wall of the extraction plant | 4.62ab ± 0.18 | 4.28b ± 0.11 | 4.27ab ± 0.20 | 3.37a ± 0.16 | - |
Protective clothing |
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Clove (log CFU/glove) | 2.11def ± 0.20 | 1.78def ± 0.22 | 1.18e ± 0.29 | - | 3.77a ± 0.36 |
Gown (log CFU/gown) | 2.05def ± 0.10 | 2.23ed ± 0.20 | 3.01c ± 0.33 | - | 3.26ab ± 0.14 |
Air (log CFU/hr) |
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Indoor air during production | 2.55cd ± 0.19 | 1.63ef ± 0.28 | 2.06d ± 0.11 | - | 1.82de ± 0.04 |
Indoor air after production | 2.17de ± 0.18 | 1.36f ± 0.39 | 1.73de ± 0.23 | - | 1.54def ± 0.09 |
Outdoor air during production | 1.18ef ± 0.10 | 1.70ef ± 0.16 | 1.70de ± 0.57 | - | 1.35def ± 0.18 |
Outdoor air after production | 1.79ef ± 0.08 | 1.73def ± 0.12 | 1.79de ± 0.08 | - | 0.74g ± 0.20 |