How Long Does Corn Last?
Quick Answer
Corn lasts 1 week (fresh), 6-12 months (frozen) when unopened. Once opened, it should be used within 3-5 days (refrigerated fresh), 6-12 months (frozen).
Shelf Life by Storage Condition
| Storage Condition | Duration |
|---|---|
| Pantry (Unopened) | Not applicable |
| Pantry (Opened) | Not applicable |
| Refrigerator (Unopened) | 1 week (fresh) |
| Refrigerator (Opened) | 3-5 days (fresh) |
| Freezer | 6-12 months (blanched and frozen) |
How to Tell If It Has Gone Bad
- Slimy or sticky husks
- Discoloration or dark spots on kernels
- Off or sour smell
- Mold growth on kernels or husks
Proper Storage Tips
- Keep fresh corn in the refrigerator with husks intact to maintain moisture.
- Consume fresh corn within a week for best quality.
- For longer storage, blanch corn and freeze it to preserve flavor and texture.
Risks of Using Expired Corn
Consuming spoiled corn can lead to foodborne illnesses due to bacterial or mold contamination. Moldy corn may produce mycotoxins, which can cause allergic reactions or gastrointestinal distress. Always discard corn showing signs of spoilage to avoid health risks.
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Frequently Asked Questions
How long does Corn last?
Fresh corn lasts about 1 week in the refrigerator unopened, and 3-5 days once opened. Frozen corn can last 6-12 months.
Does Corn expire?
Yes, fresh corn spoils within about a week refrigerated and should be consumed quickly. Frozen corn can last much longer but will eventually lose quality.
How can you tell if Corn has gone bad?
Signs include slimy husks, discoloration or dark spots on kernels, sour or off smells, and visible mold growth.