It is possible that the canned tomatoes are old and/or have been exposed to light.
Heat.
Canned corn, in a glass mason jar, if properly canned in a water bath or pressure canner does not require refrigeration until opened. Then it should be used within 4-5 days.
To convert dried beans to canned beans for a recipe, soak the dried beans in water overnight, then cook them in boiling water until they are tender. Drain the cooked beans and store them in a canning jar with water and salt. Process the jar in a pressure canner according to canning guidelines to create canned beans for your recipe.
To safely preserve eggs through canning, follow these steps: First, crack the eggs into a jar and add salt or sugar as a preservative. Next, seal the jar tightly and place it in a water bath canner. Process the jar at the correct temperature and time according to a reliable canning recipe. Finally, store the canned eggs in a cool, dark place for long-term preservation.
"Can", as in is able to, would be "could" in the past tense. "Can", as in to jar something, would be "canned" in the past tense.
Dark Corners - 2012 Jar of Pennies 1-13 was released on: USA: 13 December 2012
Yes they can. Be sure to drain the liquid if you use canned/jar mandarin oranges prior to putting them in jello.
According to the USDA's website beef jerky should be placed in a glass jar or plastic bag and stored in the refrigerator or freezer. Since they do not indicate that it can be canned it would not be advisable.
That sounds like mold. They might not have been processed properly.
A year is safe. Check the date on the can, or jar, if home-canned.
The lid was probably not sealed tight enough, allowing air to get inside the jar.
It depends on the jar. but there is about 15-30 pickles in each