How Long Do Raw Pumpkin Seeds Last in the Fridge?

Last Updated on September 16, 2024 by Shari Mason

Called “nature’s crunchy treasures,” pumpkin seeds make a tasty snack and add flavor to many dishes.

But if you’ve ever wondered about their shelf life, especially when stored in the fridge, you’re not alone. 

So how long do raw pumpkin seeds last in the fridge?

Let’s dive into the nitty-gritty of keeping these seeds fresh and ready for munching, all based on my kitchen escapades. Ready to unravel this seedy mystery? Let’s go.

How Long Can Raw Pumpkin Seeds Last In The Fridge?

Raw pumpkin seeds [1], when stored correctly in the fridge, can last up to six months while retaining their freshness and nutritional benefits. Keeping them in an airtight container or zip-top bag prevents moisture and air exposure. 

The cold environment of the fridge inhibits bacterial and mold growth, preventing them from turning rancid quickly. 

“Most pumpkin dishes involve scooping out the seeds, cutting off the skin, and chopping up the flesh before cooking.”

– Yotam Ottolenghi, Chef

Aim to consume them within this six-month timeframe for optimal taste and nutrition. Always inspect seeds for any signs of spoilage before consumption.

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How Should I Store My Raw Pumpkin Seeds To Ensure Maximum Freshness?

1. Airtight Containers: The best method to store raw pumpkin seeds is in airtight containers. These containers help prevent the seeds from getting exposed to air and moisture, speeding up the rancidity process.
2. Cool, Dry Place: Before refrigerating them, keep them in a cool and dry location, away from direct sunlight. Excessive heat can cause the oils in the seeds to become rancid more quickly.
3. Refrigeration: Consider storing your raw pumpkin seeds in the fridge for extended freshness. The cold temperature slows down the oxidation process, keeping the seeds fresher for longer.
4. Vacuum Sealing: If you have a vacuum sealer, sealing your seeds can remove air from the storage bag or container, prolonging the freshness of the seeds even further.
5. Avoid Mixing: Avoid storing pumpkin seeds with other food items with strong odors, as seeds can absorb smells. This can change their taste and may even affect their freshness.
6. Regular Checks: It’s good practice to check your seeds for signs of spoilage or rancidity every few weeks. If you notice any off smells or discolorations, it’s best to discard the seeds.
7. Short-term vs. Long-term: A pantry might suffice if you consume the seeds in a few weeks. However, for longer periods, always opt for refrigeration or even freezing for extended storage beyond six months.

Signs That Raw Pumpkin Seeds Have Gone Bad

1. Off-putting Smell: Fresh pumpkin seeds have a nutty aroma. If they give off a rotten or sour smell, it’s a sign they’ve gone bad.
2. Changed Color: Fresh pumpkin seeds typically have a pale green to greenish-brown hue. Any drastic discoloration or dark spots may indicate spoilage.
3. Mold Growth: Visible mold or any fuzzy spots on the seeds are a clear sign of spoilage.
4. Slimy or Sticky Texture: Fresh pumpkin seeds are dry. If they feel slimy or unusually sticky, it’s time to throw them out.
5. Taste Test: If you’re unsure, taste one or two seeds. A bitter or off-taste, different from their usual nutty flavor, indicates they’ve gone bad.
6. Clumping Together: If the seeds have been exposed to moisture, they might clump together. This can be a breeding ground for mold [2] and indicates possible spoilage.
7. Pest Infestation: Any sign of bugs, larvae, or other pests in the container indicates that the seeds should not be consumed.

Can I Freeze Pumpkin Seeds For Even Longer Storage?

Freezing pumpkin seeds is a great way to extend their shelf life. Place the seeds in an airtight container or a freezer-safe ziplock bag, ensuring all the air is squeezed out. 

“In the cool embrace of the fridge, raw pumpkin seeds find time paused, but nature reminds us: even prolonged freshness has its limits.”

– Eat Pallet Restaurant & Food Advice

Stored this way, pumpkin seeds can remain fresh for up to a year. When you’re ready to use them, thaw and enjoy. This method preserves the seeds and retains their rich, nutty flavor.

Can The Storage Duration Differ For Roasted vs Raw Pumpkin Seeds?

The storage duration does differ between roasted and raw pumpkin seeds. Raw pumpkin seeds tend to have a shorter shelf life because they still contain natural oils, which can go rancid over time.

They last a month or two when stored correctly in a cool, dry place. 

On the other hand, roasted pumpkin seeds, having been exposed to heat, have reduced moisture content, which can extend their shelf life a bit longer, possibly up to a year, when stored in an airtight container. 

FAQs

Final Thoughts

Raw pumpkin seeds can retain their freshness when stored properly in the fridge for several months. 

Ensuring they’re kept in an airtight container away from moisture and contaminants will maximize their shelf life. 

Nevertheless, always be vigilant for signs of spoilage and consume them within the recommended time frame for the best quality and nutritional benefits.

References:

1. https://www.healthline.com/nutrition/11-benefits-of-pumpkin-seeds
2. https://www.cdc.gov/mold/faqs.htm