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. 2016 Aug 30;7:1376. doi: 10.3389/fmicb.2016.01376

FIGURE 4.

FIGURE 4

Log10 cycles of survival fractions detected for E. coli BW25113 in: M9 minimal agar with its MNIC of NaCl (3%) (●), M9 minimal agar with betaine 1 mM and its MNIC of NaCl (5%) (Inline graphic) or TSAYE with its MNIC of NaCl (5%) (Inline graphic). Thermal treatments of 53–59°C of different durations (0–20 min) were applied in M9 broth to obtain a variety of samples, being each of them depicted in a different column.