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How to Detect Spoiled Foods

Part of the Canning & Preserving For Dummies All-in-One Cheat Sheet

No one can promise you that your home-canned foods will always be free from spoilage, but you can rest assured that your chances for spoiled food are greatly reduced when you follow the precise guidelines for each preserving method.

If you suspect, for any reason, that your food is spoiled or just isn’t right, don’t taste it.

Just because your food doesn’t look spoiled, doesn’t mean that it’s not. Signs of spoilage are

  • Bulging or loosened lids on canned jars

  • Weeping or leakage from under a previously sealed jar

  • Bubbly or foamy contents of canned food

  • Visible mold or mildew on the lid, inside the jar, or on the food itself.

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Canning & Preserving For Dummies All-in-One Cheat Sheet


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