How Long Does Corn (Dried Kernels & Cornmeal) Last in Mylar Bags?
Quick Answer: Dried corn kernels last 20-25 years in mylar bags with oxygen absorbers. Cornmeal lasts 10-15 years. Use 300cc per gallon. Dried corn can be ground into cornmeal as needed, so storing whole kernels gives maximum flexibility and longer shelf life.
20-25 years
In Mylar + O₂
6-12 months
Without Mylar
300cc
O₂ per Gallon
low
Moisture Sensitivity
Corn (Dried Kernels & Cornmeal) Shelf Life Comparison
| Storage Method | Shelf Life |
|---|---|
| ✅ Mylar Bag + O₂ Absorber | 20-25 years |
| Vacuum Sealed | 1-2 years |
| Freezer | 2-3 years |
| Pantry (Original Packaging) | 6-12 months |
How to Store Corn (Dried Kernels & Cornmeal) in Mylar Bags
Ensure corn is fully dry
Fill bag with kernels
Add O2 absorber
Seal and label
Storage Tips
Whole kernels last longer than cornmeal
Grind kernels as needed for freshest cornmeal
Popcorn stores just as long
Masa harina stores 10-15 years
Common Mistakes
Storing cornmeal when whole kernels last longer
Not drying corn below 14% moisture
Mixing fresh and old stock
Corn (Dried Kernels & Cornmeal) Storage FAQ
How long does dried corn last in mylar bags?
Dried corn kernels last 20-25 years. Cornmeal lasts 10-15 years. Store whole kernels and grind as needed for maximum shelf life and flexibility.
Can you store popcorn in mylar bags?
Yes. Popcorn kernels store 20-25 years in mylar with O2 absorbers, just like other dried corn varieties.
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