Quick Answers
Can I use my oven to process food?
Oven canning is extremely dangerous and definitely not a
recommended procedure. There is great risk during
processing because the chances are high that jars will
break when the oven is opened or when jars are removed
from the oven. This is caused by the sudden change in
temperature as well as the heating patterns created by
dry heat. Also, this method does not allow the air
inside the jar to be forced out. This is also a factor
in the safety of the product.
The dangers of inadequate processing can pose a risk to
your health. The purpose of heat processing is to
destroy any harmful organisms. In oven processing the
heat transfer is uneven and therefore the food does not
reach high enough temperatures throughout. The internal
temperature of the food cannot reach 212 degrees F in an
oven regardless of the temperature at which the oven is
set.
Barbara Willenberg, Nutritional
Sciences, University of Missouri-Columbia
Last update: Tuesday, May 05, 2009
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