Table 1 Microbiological counts of three types of ready to eat sesame (log10 CFU g− 1)
Thermotolerant coliforms | Total aerobic mesophilic bacteria | Yeasts and moulds | Salmonellas spp | E. coli | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Counts | Counts | Counts | Prsc/Abs/25 g | Prsc/Absg | |||||||
Samples | DW | DS | RS | DW | DS | RS | DW | DS | RS | DW, DS, RS | DW, DS, RS |
1 | <1.0 | <1.0 | 3.97 | 3.18 | 3.70 | 5.11 | 2.00 | 2.48a | 3.79 | Abs | Abs |
2 | <1.0 | <1.0 | <1.0 | 3.00 | 3.30 | 3.93 | <1.0 | 2.00 | 2.85 | Abs | Abs |
3 | <1.0 | <1.0 | <1.0 | 3.90 | <1.0 | 3.74 | 2.85 | <1.0 | 2.48 | Abs | Abs |
4 | 4.93 | <1.0 | 4.93 | 5.18 | 3.30 | 5.03 | 3.91 | <1.0 | 3.73 | Abs | Abs |
5 | <1.0 | <1.0 | 3.23 | 3.00 | <1.0 | 4.37 | <1.0 | <1.0 | 2.85 | Abs | Abs |
6 | 3.30 | <1.0 | 3.26 | 3.93 | 3.18 | 3.98 | <1.0 | <1.0 | 2.85 | Abs | Abs |
7 | 2.00 | 2.30a | <1.0 | 3.18 | 3.30 | 4.31 | <1.0 | <1.0 | 2.90 | Abs | Abs |
8 | 2.48 | <1.0 | 3.92 | 2.48 | <1.0 | 4.51 | 2.00 | <1.0 | 2.90 | Abs | Abs |
9 | 3.51 | 2.02 | 4.39 | 3.67 | 3.30 | 5.79 | 2.41 | 2.00 | 3.89 | Abs | Abs |
10 | 3.42 | 1.90 | 5.24a | 3.55 | 2.00 | 6.52a | 2.30 | <1.0 | 5.91a | Abs | Abs |
11 | <1.0 | 1.60 | 3.71 | 2.48 | 2.48 | 3.93 | <1.0 | 2.00 | 3.41 | Abs | Abs |
12 | <1.0 | <1.0 | 4.51 | 2.95 | 3.16 | 5.23 | 1.18 | 1.00 | 3.39 | Abs | Abs |
13 | <1.0 | <1.0 | 4.60 | 3.29 | 3.66 | 5.13 | 1.40 | <1.0 | 4.55 | Abs | Abs |
14 | 4.54a | <1.0 | <1.0 | 6.79a | 4.37 | 6.01 | 3.98a | 1.65 | 3.03 | Abs | Abs |
15 | <1.0 | <1.0 | 3.23 | 2.78 | 3.48 | 3.88 | 1.00 | <1.0 | 2.56 | Abs | Abs |
16 | <1.0 | <1.0 | 3.28 | 2.98 | 4.77a | 3.45 | <1.0 | 1.48 | 1.78 | Abs | Abs |
17 | 2.77 | <1.0 | 3.58 | 4.72 | 3.15 | 5.12 | 0.70 | 2.26 | 4.10 | Abs | Abs |
18 | <1.0 | <1.0 | 1.90 | 3.79 | <1.0 | 3.85 | 0.70 | <1.0 | 2.37 | Abs | Abs |
19 | <1.0 | <1.0 | <1.0 | 3.45 | <1.0 | 3.46 | 1.88 | <1.0 | 2.39 | Abs | Abs |
20 | <1.0 | <1.0 | 1.00 | 4.11 | <1.0 | 3.00 | 1.74 | <1.0 | 1.70 | Abs | Abs |
21 | <1.0 | <1.0 | 4.86 | 2.80 | 1.70 | 5.16 | <1.0 | <1.0 | 2.65 | Abs | Abs |
22 | 3.83 | <1.0 | <1.0 | 5.53 | 2.45 | 4.54 | 1.18 | 1.18 | 2.51 | Abs | Abs |
23 | <1.0 | <1.0 | <1.0 | 4.35 | 3.52 | 4.85 | 1.18 | 2.06 | 2.45 | Abs | Abs |
24 | 3.79 | <1.0 | <1.0 | 4.95 | 2.11 | 4.00 | 1.48 | <1.0 | 2.00 | Abs | Abs |
25 | 4.44 | <1.0 | 2.61 | 4.76 | 1.48 | 5.34 | 1.00 | <1.0 | 2.48 | Abs | Abs |
Average | 3.83 | 1.23 | 4.26 | 4.74 | 3.65 | 5.39 | 2.89 | 1.6 | 4.55 | Abs | Abs |