The 240° Myth: Botulism, Heat Resistance, and the Misunderstood Pressure-Only Mandate
Most educators emphasize that Clostridium botulinum spores require 240°F to be “killed.” But this oversimplified message creates confusion and ignores a critical scientific truth: thermal lethality is a combination of temperature and time—not just hitting a magic number.In fact, spores can be inactivated at lower temperatures, including 212°F, if sustained…
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