Budget101 Discussion List Archives Budget101 Discussion List Canning T-n-t: Checking for Spoilage

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      Avatar for LissLiss
      Keymaster

      handling spoiled canned food:
      look closely at all jars of food before opening them. do not eat food which shows signs of spoilage. do not taste foods that show signs of spoilage or foods from a jar with unsealed lids.

      all suspect jars of spoiled low-acid foods, including tomatoes, should be treated as containing botulism toxin.

      growth of spoilage bacteria and yeast produces gas which pressurizes the food, swells lids, and breaks jar seals. as each stored jar is selected for use, examine its lid for tightness and vacuum. lids with concave centers have good seals.

      next, while holding the jar upright at eye level, rotate the jar and examine its outside surface for streaks of dried food originating at the top of the jar. look at the contents for rising air bubbles and unnatural color. while opening the jar, smell for unnatural odors and look for spurting liquid and cottony mold growth (white blue, black, or green) on the top food surface and underside of lid.

      detoxification process before disposal:[/b]
      carefully discard any jar of spoiled food to prevent possible illness to you, your family, and pets. detoxify unsealed, open, or leaking jars of food before disposal to prevent the spread of toxin

      if suspect glass jars are still sealed, place them in a heavy garbage bag. close the bag, and place it in a regular trash container or bury it.

      if suspect jars are unsealed, opened or leaking, detoxify (destroy bacteria and toxin) as follows before disposal. place suspect jars of food, including lids, on their sides in an 8-quart volume (or larger) stock pot. Wash your hands thoroughly in hot soapy water.

      Carefully add water to the pan until it is at least one inch above the containers. Avoid splashing the water. Place a lid on the pot.

      Heat to boiling, and boil rapidly for at least 30 minutes to insure detoxification and destroy all bacteria and toxin. Cool and drain water and dispose of the containers, lids and food in the trash, or bury in soil to prevent accidental poisoning.

      Thoroughly scrub all counters, containers, and equipment that may have touched the food or containers, and other equipment or utensils used in the process with a solution of 1 part chlorine bleach to 5 parts water. Wet the surface with this solution and let stand 5 minutes before rinsing.

      Wash clothing in hot water and soap.
      Wash hands thoroughly in hot water and soap.
      Place sponges, wash cloths and towels that were used in clean-up in a plastic bag and discard them in the trash. Boil all items in the water for 30 minutes. Cool and discard jar contents in garbage or bury in soil.

      This will prevent accidental poisoning.

      how to check for spoiled canned foods[/b]
      improperly canned low-acid foods can contain botulinum toxin without showing signs of spoilage. low-acid foods are considered improperly canned and not safe if any of the following are true:

      the food was not processed in a pressure canner.
      the gauge of the canner was inaccurate.

      up-to-date researched processing times and pressures were not used for the size of the jar, style of pack and kind of food being processed.

      ingredients were added that were not in an approved recipe.

      proportions of ingredients were changed from the original approved recipe.

      the processing time and pressure were not correct for the altitude at which the food was canned.
      because improperly canned low-acid foods can contain botulinum toxin without showing signs of spoilage, they should also be detoxified and then discarded.

      ~enjoy !~
      liss
      listmom & creator/designer of http://www.Budget101.com

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Budget101 Discussion List Archives Budget101 Discussion List Canning T-n-t: Checking for Spoilage