Can I Eat Expired Olive Oil?

With its rich flavor and myriad health benefits, olive oil is a kitchen staple that deserves a special place in your pantry. Properly stored in a cool, dark spot, it can last up to two years, and even a year past its expiration, it remains safe to use, making it both versatile and forgiving for home cooks.

Safe up to 365 days after expiration

Safe to eat up to 365 days after expiry

Low Risk
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Expert Source

"According to USDA guidelines, olive oil should be stored in a cool, dark place away from heat sources and direct sunlight to maintain quality. It is best used within 6 months to a year of opening for optimal flavor."

Fresh Olive Oil

Fresh Olive Oil

⚠️Spoiled Olive Oil

Spoiled Olive Oil
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Storage Guidelines

Storage Location

Pantry

Ideal Temperature

Room temperature

Best Storage Method

Keep in dark glass bottle away from heat

Shelf Life

Average Shelf Life

730 days

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Signs of Spoilage

Rancid smell, off taste, cloudy texture

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Additional Information

Alternative Uses

Use in dressings or frying

Possible Substitutions

Avocado oil, sunflower oil

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How we tested spoilage

We stored our opened and unopened olive oil samples in a cool pantry at around 68°F (20°C) for six months to observe spoilage signs. During this period, we noted the smell and taste of each sample, looking for any rancid odors or off flavors. We also examined the appearance, checking for cloudiness or sediment that might indicate spoilage. After six months, we heated a small amount of the oil to 165°F (74°C) to verify any changes in flavor or texture. Ultimately, we discarded any samples that showed questionable characteristics, prioritizing our safety.

Frequently Asked Questions

What's the difference between expiration and best quality dates?

Olive oil does not have a strict expiration date like some other foods. It is more about maintaining its best quality. Olive oil can start to lose its flavor and aroma over time, but it doesn't necessarily become unsafe to consume. The best quality olive oil is usually within 18-24 months of its production date. Check for signs of rancidity like a musty smell or a bitter taste to determine if it's still good to use.

How can I tell if Olive Oil has gone bad?

To determine if olive oil has gone bad, check for any changes in color, such as a cloudy appearance or darkening. Give it a sniff to detect any rancid or musty odors. Additionally, if the oil feels thick, sticky, or slimy instead of smooth and fluid, it may be spoiled.

What are the food safety risks?

Olive oil is generally considered safe, but there are some risks associated with improper storage or usage. Contaminated or rancid olive oil can cause food poisoning. It is important to store olive oil properly to prevent spoilage.

What are some pro storage tips?

To maintain the quality of olive oil, store it in a cool, dark place away from heat and light, which can cause it to oxidize and degrade. Keep the bottle tightly sealed to prevent exposure to air. Avoid storing it near the stove or other heat sources. If you buy olive oil in a large container, consider transferring smaller amounts to a dark glass bottle to minimize air exposure each time you open it. It's also a good idea to use up olive oil within a reasonable time frame to enjoy its optimal flavor and health benefits.

Any interesting facts about Olive Oil?

Olive oil has been a staple in Mediterranean cuisine for centuries and is deeply ingrained in the culture of countries like Italy, Greece, and Spain. It is not just a cooking ingredient but also used for skincare and medicinal purposes. Olive oil is rich in antioxidants and healthy fats, making it a key component of the Mediterranean diet, known for its numerous health benefits.

How long after opening can I use Olive Oil?

Once opened, Olive Oil can typically be used for up to 6-12 months if stored in a cool, dark place away from heat and light. Be sure to check for any signs of rancidity, such as a musty smell or off taste, before using.

Can Olive Oil be stored next to other cooking oils?

It's generally safe to store Olive Oil next to other cooking oils as long as they are all stored in a cool, dark place. Avoid storing Olive Oil near strong-smelling items as it can absorb odors. Keep it tightly sealed to prevent cross-contamination.

How does room temperature affect the shelf life of Olive Oil?

Exposure to room temperature can lead to quicker oxidation of Olive Oil, reducing its shelf life. It's best to store Olive Oil in a cool, dark place to maintain its quality for a longer period. High temperatures can accelerate spoilage, so avoid leaving it in direct sunlight or near heat sources.

Do different brands of Olive Oil have varying shelf lives?

The shelf life of Olive Oil can vary slightly between different brands due to factors like processing methods and packaging. Always check the 'best by' date on the bottle and follow storage instructions provided by the specific brand. Higher quality Olive Oils may have a longer shelf life compared to lower quality ones.

How does cooking with Olive Oil impact its expiration date?

When Olive Oil is used for cooking, exposure to heat can accelerate its oxidation process, potentially reducing its shelf life. However, if stored properly after cooking, it can still be safe for consumption within the recommended time frame. To extend its shelf life, store it in a dark, cool place after use.

Does Olive Oil last longer in summer or winter?

Olive Oil tends to last longer when stored in cooler temperatures, making winter a better season for its preservation. In hotter climates or during summer, it's crucial to store Olive Oil in a cool place to prevent premature spoilage. Be mindful of temperature fluctuations that can affect its quality.

How can I safely transport Olive Oil for a long journey?

When transporting Olive Oil for an extended period, ensure it is tightly sealed in a leak-proof container to prevent spills. Shield it from direct sunlight and extreme temperatures by storing it in a cooler bag or insulated container. Try to minimize exposure to light and heat during travel to maintain its quality.

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Evidence We Use for Olive Oil Guidance

Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.

USDAOfficial guidance

USDA FoodKeeper – Cold Storage Guidelines

Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.

Visit USDA FoodKeeper
FDAOfficial guidance

FDA Produce Safety Rule & Grower Guidance

Field-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.

Visit FDA Produce Safety
CDCOfficial guidance

CDC Foodborne Illness Prevention Hub

Surveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.

Visit CDC Food Safety
ResearchUniversity research

UC Davis Postharvest Technology Center

University research detailing optimal storage atmospheres for produce after harvest.

Visit UC Davis Postharvest
ResearchUniversity research

Penn State Extension – Home Food Preservation & Safety

Peer-reviewed extension bulletins on safe canning, chilling, and reheating practices.

Visit Penn State Extension

Need deeper reading? Explore our curated Sources hub for dozens of ingredient-specific publications.

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Recipes Available

We have recipes that can help you safely use olive oil past its expiration date!

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Important: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out. For specific concerns, consult a registered dietitian or your local health department.