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Graph of the log10 time to obtain a 3-log10 reduction in the concentration of serovar Typhimurium DT104 for each aw (rvp 0.65 [closed circle], 0.70 [closed square], 0.75 [closed triangle], 0.80 [open circle], 0.85 [open square], and 0.90 [open triangle]) against the challenge temperature, demonstrating that the protective effect of low water activity is apparent only at temperatures of ≥70°C.
