date:Aug 21, 2013
es that might be present.
Foods such as fruit, pickles, jams, jellies, and marmalades will not support the growth of Clostridium botulinum due to their high acidity or high sugar content and can be safely processed in a boiling water canner. Make sure to follow the recipe. Substitution of sugar with pectin may affect safety.
Tomatoes are a borderline high-acid food and require an acid, such as lemon juice, citric acid or vinegar, to be added for safer canning.
For many canning recipes, attempti