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Signs Your Olive Oil Has Gone Bad

Jun 1, 2025

Toss Your Olive Oil If You Notice These Signs

Key Takeaways

  • Shelf Life:
    • Unopened olive oil typically lasts 18 to 24 months.
    • Extra virgin olive oil may expire within 12 to 18 months.
    • Once opened, it's best to use olive oil within 1 to 2 months.
  • Signs of Spoilage:
    • Rancid or crayon-like odor.
    • Sour taste.

Versatility of Olive Oil

  • Used in salad dressings, frying veggies, and as a bread accompaniment.
  • Exists in many varieties and qualities.
  • Choosing the right olive oil can be a significant decision.

Does Olive Oil Go Bad?

  • Olive oil does expire, similar to other foods unlike honey.
  • The freshness of oil is indicated by the harvest date on the bottle.

Identifying Spoiled Olive Oil

  • Smell Test:
    • A rancid or crayon-like smell indicates spoilage.
  • Taste Test:
    • A sour flavor suggests the oil has gone bad.
  • Consuming a small amount of rancid oil is unlikely to make you sick, but it will affect the taste of your dishes.

Proper Storage of Olive Oil

  • Avoid Air Exposure:
    • Keep it sealed until use.
    • Avoid transferring to a different container unless used quickly.
  • Avoid Sunlight and Heat:
    • Store in a dark place, preferably in a dark glass or tin container.
    • Avoid plastic containers due to permeability.
  • Refrigeration:
    • Generally avoid as it can solidify the oil and alter its flavor.

Conclusion

  • Olive oil is a staple worth keeping in your pantry due to its frequent use, reducing the risk of expiration.

Additional Resources

  • Explore more on kitchen tips and food storage techniques for better organization and longevity of ingredients.