How Long Does Canned Food Last? Survival Tip

Published on March 29, 2020
Duration: 10:39

This video provides expert guidance on understanding canned food longevity and safety, drawing on USDA recommendations and practical inspection techniques. It emphasizes that 'best by' dates relate to quality, not safety, for hermetically sealed products, and details factors affecting shelf life like acidity and storage temperature. The host, from SensiblePrepper, offers practical advice on inspecting cans for damage and implementing food rotation for optimal nutritional value in long-term storage scenarios.

Quick Summary

Canned food can last indefinitely if the can remains intact and properly stored below 75°F. 'Best by' dates indicate quality, not safety, as confirmed by the USDA. Inspect cans for swelling, rust, or leaks; discard any damaged items. High-acid foods have shorter shelf lives than low-acid foods.

Chapters

  1. 00:00Introduction to Canned Food Storage
  2. 00:55Understanding Best By Dates
  3. 01:43Shelf Life Factors
  4. 03:00Canning Process and Safety
  5. 03:57Practical Prepping Tips
  6. 05:32Inspecting Cans for Damage
  7. 07:09Food Rotation Systems
  8. 08:57Summary and Survival Resources

Frequently Asked Questions

How long does canned food actually last?

Canned food, when properly stored in intact cans, can last indefinitely. However, 'best by' dates indicate peak quality and taste, not safety. The USDA confirms that hermetically sealed canned goods remain safe to eat long past these dates if the can is undamaged.

What are the key factors affecting canned food shelf life?

Key factors include storage temperature (ideally 75°F or below), the acidity of the food (high-acid foods have shorter shelf lives), and the integrity of the can's seal. Proper storage prevents can expansion and spoilage.

How should I inspect canned food for safety?

Always inspect cans for swelling, heavy rust, leaks, or broken seals. Minor dents are usually acceptable if the inner lining isn't compromised. If a can shows any signs of damage, it should be discarded immediately to avoid potential health risks.

Why are 'best by' dates different from expiration dates for canned food?

'Best by' dates on canned food refer to optimal quality and freshness, not safety. Due to the hermetic sealing and sterilization process, commercially canned foods are safe to consume long after these dates if the can remains in good condition.

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