How to Calculate Food Expiration Dates Safely

Learn how to accurately calculate food expiration dates for better safety and quality.

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Calculate food expiration dates by checking the packaging for a printed date, usually labeled 'use by,' 'sell by,' or 'best before.' Manufacturers determine these based on food safety studies assessing microbial growth and quality changes. If the date isn't available, use general guidelines: refrigerate perishables, check for spoilage signs like odor or mold, and practice good food storage habits to ensure safety.

FAQs & Answers

  1. What is the difference between 'use by' and 'best before' dates? The 'use by' date indicates when a product is safe to consume, while 'best before' refers to optimal quality, not safety.
  2. How can I tell if food has gone bad? Look for signs like off smells, discoloration, and mold to determine if food is spoiled.
  3. Do expiration dates apply to all foods? No, some foods like dry goods may not have specific expiration dates but should still be stored properly.
  4. Can I eat food after the expiration date? It depends on the food item; for safety, inspect for spoilage signs and follow storage guidelines.

Watch More

For more insights on maintaining food quality and safety, check out our guides on food storage tips and understanding shelf life.

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