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Bacteria >> Model

The models are based on extensive experimental data of microbial behavior in liquid microbiological media and food.

There can be no guarantee that predicted values will match those that would occur in any specific food system. Before the models could be used in such a manner, the user would have to validate the models for each specific food of interest.

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Staphylococcus aureus (Broth Culture, Anaerobic)

Input Conditions

Range: 12 to 42 °C
Range: 5.3 to 9.0
Range: 0.5 to 16.5 (% [g/dL])
Range: 0.0 to 150.0 (ppm)
Range: 1 - 6
Line chart of data points for modeled growth. Also available in a table format below the chart.
Modeled Growth Parameters
  • Max Growth Rate (log10 cfu/h):
    • Mean:0.08
    • LCL:0.04
    • UCL:0.14
  • Lag Phase Duration (h):
    • Mean:35.8
    • LCL:14.5
    • UCL:88.7
  • Maximum Population Density: 7.92 (log10 cfu/ml)
Modeled Growth
Time (h) log10 cfu/ml
Mean LCL UCL
0 3.000 3.000 3.001
1 3.000 3.000 3.002
2 3.000 3.000 3.004
3 3.000 3.000 3.007
4 3.000 3.000 3.011
5 3.000 3.000 3.018
6 3.000 3.000 3.027
7 3.000 3.000 3.039
8 3.001 3.000 3.056
9 3.001 3.000 3.078
10 3.001 3.000 3.106
11 3.002 3.000 3.141
12 3.003 3.000 3.183
13 3.004 3.000 3.234
14 3.005 3.000 3.293
15 3.006 3.000 3.361
16 3.008 3.000 3.438
17 3.011 3.000 3.524
18 3.014 3.000 3.618
19 3.018 3.000 3.721
20 3.023 3.000 3.831
21 3.029 3.000 3.948
22 3.036 3.000 4.070
23 3.044 3.000 4.198
24 3.054 3.000 4.330
25 3.065 3.000 4.466
26 3.078 3.000 4.603
27 3.093 3.000 4.742
28 3.109 3.000 4.881
29 3.128 3.000 5.019
30 3.150 3.000 5.157
31 3.173 3.000 5.293
32 3.199 3.000 5.426
33 3.228 3.000 5.556
34 3.259 3.000 5.683
35 3.293 3.000 5.806
36 3.330 3.000 5.925
37 3.370 3.000 6.039
38 3.412 3.001 6.149
39 3.457 3.001 6.255
40 3.505 3.001 6.356
41 3.556 3.001 6.452
42 3.609 3.001 6.544
43 3.665 3.001 6.631
44 3.723 3.002 6.713
45 3.784 3.002 6.791
46 3.847 3.003 6.864
47 3.912 3.003 6.934
48 3.978 3.004 6.999
49 4.047 3.004 7.061
50 4.117 3.005 7.119
51 4.189 3.006 7.173
52 4.262 3.007 7.224
53 4.336 3.008 7.272
54 4.411 3.010 7.316
55 4.487 3.011 7.358
56 4.563 3.013 7.397
57 4.640 3.015 7.433
58 4.718 3.017 7.467
59 4.795 3.019 7.499
60 4.873 3.022 7.529
61 4.950 3.025 7.556
62 5.027 3.029 7.582
63 5.104 3.032 7.606
64 5.180 3.036 7.628
65 5.256 3.041 7.649
66 5.331 3.046 7.668
67 5.405 3.051 7.686
68 5.478 3.057 7.703
69 5.550 3.063 7.718
70 5.622 3.070 7.732
71 5.692 3.077 7.746
72 5.761 3.085 7.758
73 5.828 3.094 7.770
74 5.895 3.103 7.780
75 5.960 3.113 7.790
76 6.023 3.123 7.799
77 6.086 3.135 7.808
78 6.147 3.147 7.816
79 6.206 3.159 7.823
80 6.264 3.173 7.830
81 6.321 3.187 7.836
82 6.376 3.202 7.842
83 6.429 3.218 7.847
84 6.482 3.234 7.852
85 6.532 3.252 7.857
86 6.582 3.270 7.861
87 6.630 3.289 7.865
88 6.676 3.309 7.869
89 6.721 3.330 7.872
90 6.765 3.352 7.876
91 6.807 3.374 7.879
92 6.848 3.398 7.881
93 6.888 3.422 7.884
94 6.927 3.447 7.886
95 6.964 3.473 7.888
96 7.000 3.500 7.890
97 7.034 3.528 7.892
98 7.068 3.557 7.894
99 7.100 3.586 7.895
100 7.132 3.616 7.897
101 7.162 3.647 7.898
102 7.191 3.679 7.900
103 7.219 3.711 7.901
104 7.246 3.744 7.902
105 7.273 3.778 7.903
106 7.298 3.813 7.904
107 7.322 3.848 7.905
108 7.345 3.884 7.905
109 7.368 3.921 7.906
110 7.390 3.958 7.907
111 7.411 3.996 7.908
112 7.431 4.034 7.908
113 7.450 4.073 7.909
114 7.469 4.112 7.909
115 7.487 4.152 7.910
116 7.504 4.192 7.910
117 7.520 4.232 7.910
118 7.536 4.273 7.911
119 7.552 4.314 7.911
120 7.566 4.356 7.912
121 7.580 4.398 7.912
122 7.594 4.440 7.912
123 7.607 4.482 7.912
124 7.620 4.525 7.913
125 7.632 4.568 7.913
126 7.643 4.611 7.913
127 7.654 4.654 7.913
128 7.665 4.697 7.913
129 7.675 4.740 7.913
130 7.685 4.783 7.914
131 7.695 4.826 7.914
132 7.704 4.869 7.914
133 7.712 4.913 7.914
134 7.721 4.956 7.914
135 7.729 4.999 7.914
136 7.736 5.042 7.914
137 7.744 5.084 7.914
138 7.751 5.127 7.914
139 7.758 5.170 7.915
140 7.764 5.212 7.915
141 7.770 5.254 7.915
142 7.776 5.296 7.915
143 7.782 5.337 7.915
144 7.788 5.379 7.915
145 7.793 5.420 7.915
146 7.798 5.461 7.915
147 7.803 5.501 7.915
148 7.808 5.542 7.915
149 7.812 5.581 7.915
150 7.816 5.621 7.915
151 7.821 5.660 7.915
152 7.824 5.699 7.915
153 7.828 5.737 7.915
154 7.832 5.776 7.915
155 7.835 5.813 7.915
156 7.839 5.851 7.915
157 7.842 5.888 7.915
158 7.845 5.924 7.915
159 7.848 5.960 7.915
160 7.851 5.996 7.915
161 7.853 6.031 7.915
162 7.856 6.066 7.915
163 7.859 6.100 7.915
164 7.861 6.134 7.915
165 7.863 6.168 7.915
166 7.865 6.201 7.915
167 7.867 6.233 7.915
168 7.869 6.265 7.915
169 7.871 6.297 7.915
170 7.873 6.328 7.915
171 7.875 6.359 7.915
172 7.877 6.389 7.915
173 7.878 6.419 7.915
174 7.880 6.449 7.915
175 7.881 6.478 7.915
176 7.883 6.506 7.915
177 7.884 6.534 7.915
178 7.885 6.562 7.915
179 7.887 6.589 7.915
180 7.888 6.616 7.915
181 7.889 6.642 7.915
182 7.890 6.668 7.915
183 7.891 6.693 7.915
184 7.892 6.718 7.915
185 7.893 6.743 7.915
186 7.894 6.767 7.915
187 7.895 6.791 7.915
188 7.896 6.814 7.915
189 7.897 6.837 7.915
190 7.898 6.860 7.915
191 7.898 6.882 7.915
192 7.899 6.903 7.915
193 7.900 6.925 7.915
194 7.900 6.946 7.915
195 7.901 6.966 7.915
196 7.902 6.986 7.915
197 7.902 7.006 7.915
198 7.903 7.026 7.915
199 7.903 7.045 7.915
200 7.904 7.063 7.915
201 7.904 7.082 7.915
202 7.905 7.099 7.915
203 7.905 7.117 7.915
204 7.906 7.134 7.915
205 7.906 7.151 7.915
206 7.906 7.168 7.915
207 7.907 7.184 7.915
208 7.907 7.200 7.915
209 7.908 7.216 7.915
210 7.908 7.231 7.915
211 7.908 7.246 7.915
212 7.908 7.261 7.915
213 7.909 7.275 7.915
214 7.909 7.289 7.915
215 7.909 7.303 7.915
216 7.910 7.317 7.915
217 7.910 7.330 7.915
218 7.910 7.343 7.915
219 7.910 7.356 7.915
220 7.911 7.368 7.915
221 7.911 7.380 7.915
222 7.911 7.392 7.915
223 7.911 7.404 7.915
224 7.911 7.415 7.915
225 7.911 7.426 7.915
226 7.912 7.437 7.915
227 7.912 7.448 7.915
228 7.912 7.459 7.915
229 7.912 7.469 7.915
230 7.912 7.479 7.915
231 7.912 7.489 7.915
232 7.913 7.499 7.915
233 7.913 7.508 7.915
234 7.913 7.517 7.915
235 7.913 7.526 7.915
236 7.913 7.535 7.915
237 7.913 7.544 7.915
238 7.913 7.552 7.915
239 7.913 7.560 7.915
240 7.913 7.568 7.915
241 7.913 7.576 7.915
242 7.914 7.584 7.915
243 7.914 7.592 7.915
244 7.914 7.599 7.915
245 7.914 7.606 7.915
246 7.914 7.613 7.915
247 7.914 7.620 7.915
248 7.914 7.627 7.915
249 7.914 7.634 7.915
250 7.914 7.640 7.915
Source:

R.L. Buchanan, J.L. Smith, C. McColgan, B.S. Marmer, M.H. Golden and B.J. Dell, Response Surface Models for the Effects of Temperature, pH, Sodium Chloride, and Sodium Nitrite on the Aerobic and Anaerobic Growth of Staphylococcus aureus 196E:  Journal of Food Safety (1993) 13:159-175.