botulinum can only be destroyed under proper temperature and pressure for sufficient time. Temperatures in the range of 240°F to 250°F (115°C to 121°C) are needed in order to kill spores (USDA 2015).
Does botulism go away with heat?
The toxin that Clostridium botulinum produces is among the most deadly food toxin known. Fortunately, heat destroys the toxin and cooking is the best way to control botulism.
What temperature kills botulism spores in honey?
More than 6 hours is needed to kill the spores at boiling temperature (212°F). The toxin is destroyed by heating to 176°F or boiling for 10 minutes to 20 minutes.
Does freezing kill botulism spores?
Freezing does not destroy Clostridium botulinum, the spoilage organism that causes the greatest problem in canning low-acid foods, such as vegetables and animal products. However, Clostridium botulinum will not grow and produce toxin (poison) at correct freezer temperatures (0° F or below).
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