Do Sunflower Seeds Go Bad

Sunflower seeds are an undervalued snack with several health advantages. Sunflower seeds are high in B complex vitamins and are a rich source of magnesium, healthy fats, and more health benefits. Interesting facts comprise they are cholesterol-free, so you won’t feel guilty as you nibble away.

Maybe you wanted to give them a try, and the bags are still sitting in your pantry, and now you’re wondering if they’re still good to add to your homemade trail mix? You might imagine that sunflower seeds are long-lasting, and you’d be right, but do sunflower seeds go bad, and what is a sunflower seeds shelf life?

In our guide, you can learn more about how long are sunflower seeds good for and if there are any health risks with eating past expiration dates. By the end, you’ll know, can sunflower seeds go bad and how to store them to retain their freshness. (Read 6 Fun Facts About Sunflowers)

sunflower seeds

Can You Eat Out Of Date Seeds?

Because of their natural dryness, it might be challenging to determine if sunflower seeds have gone rotten. However, when they are exposed to oxygen, you’ll find natural oils breaking down, resulting in a rotten odor. So, toss away your rancid sunflower seeds once this happens.

Bad taste is another sign. You should remove your seeds if the smell is okay, but there is an off-taste.

Mold rarely grows on sunflower seeds or other seeds as they are dry, although if it does, make sure you don’t eat them as your sunflower seeds are bad.

Shelf Life of Sunflower Seeds?

Knowing how long your seeds will last before you open them can give you an idea of whether they will be harmful or not. Besides, once they are open, you may not get any additional shelf life as if the package stays unopened.

Checking the best-by date is the easiest way to figure out how long sunflower seeds will last. The package storage guidelines are not an expiration date but indicate how long your sunflower seeds’ best quality will remain.

  • If you keep your unopened sunflower seeds in the pantry, they should last another two months after the best-by date.
  • However, when unopened sunflower roasted seeds are kept in the fridge, their shelf life is extended. They’ll keep at least a year after the best-by date has passed.

What about sunflower kernels that have opened packs or been purchased in large quantities? The storage times are nearly identical.

At room temperature, they will last 2-3 months after the best-by date when stored properly, and in the fridge, roasted sunflower seeds will last up to 12 months after the best-by date or expiration date. (Learn How To Know When Zucchini Is Bad)

feeling sick

Can You Get Sick From Sunflower Seeds?

Although allergies to sunflower seeds are uncommon, a few cases have been observed. Anaphylaxis, oral inflammation, tongue irritation, fever, skin lesions, rash, vomiting, and irritability, are all reactions.

Knowing how to store sunflower seeds ensures you don’t have the chance of spoiled sunflower seeds, and answering the question, do Sunflower Seeds Go Bad?

Here you can find the best ways of storing sunflower seeds to get the best life possible.

Keep them sealed:

Sunflower seeds will last the longest if kept unopened, so don’t open them unless you’re sure you’ll use them. To help extend their shelf life and keep bugs and other creatures out, keep them in a sealed container after opening. It’s best if there’s no air in this container.

Avoid temperature changes:

Sunflower seeds can be refrigerated or frozen, but for the longest shelf life, they must be kept at the same temperature wherever they are stored. Like practically every other food, Sunflower seeds suffer from excessive heat, which shortens their shelf life.

How to Freeze Sunflower Seeds?

So, how do you go about freezing sunflower seeds? Here’s how to store sunflower seeds in a freezer bag for up to a year and keep them in perfect condition.

Keep them sealed:

When storing sunflower seeds in the freezer, keep them in a tightly sealed, freezer-safe container or bag, just like any other food item. This will enjoy that they have the longest possible shelf life.

Maintain a specific temperature:

Sunflower seeds stored at zero degrees Fahrenheit have proved the potential to remain safe for food nearly eternally. However, their quality will undoubtedly deteriorate over time, and they could smell bad.

Label the container:

Make a note of the date of freezing on the container or bag in which you store your sunflower seeds or anywhere else where you’ll remember it. This will be the new “best by” date for you.

How to Extend the Shelf Life of Sunflower Seeds

Understanding how long do sunflower seeds last means you can use these food storage tips to avoid spoiled seeds, prevent a sour smell, and offer a longer self-life, so your seeds remain fresh.

While sunflower seeds last longer in refrigerators for longer shelf life, you can find food storage in a ceramic container that absorbs moisture and promotes spoilage. It is better to use a freezer bag to keep them cool and improve food safety as you avoid shell moisture.

The freezer offers a long shelf life and keeps an old pack of the best quality seeds. When safely stored in the freezer, your opened package of seeds lasts up to 12 months without losing taste quality and doesn’t smell rancid. (Read What Happens If You Eat A Bad Cucumber)

If the seeds are in plastic, transfer them to a different container like glass. Once you open the seeds, place them in a tightly sealed, airtight container or a heavy-duty plastic bag, and keep them in a dry place to avoid bad sunflower seeds.

How Long Do Sunflower Seeds Last?

The answer to this question varies depending on the type of seed and whether it was purchased in bulk or commercially packaged.

Sunflower seeds that haven’t been opened can last up to five months. They can be stored in the refrigerator for 12 months if properly sealed.

Meanwhile, seeds purchased in bulk have a two- to three-month shelf life. They can be consumed for up to 12 months if kept in an airtight container in the refrigerator. These are merely approximations; you should still monitor the seeds’ appearance, scent, and taste to be sure. One or two months past the date on the pack should see your seeds fit to eat.

Overall, delaying the ingestion of food items, especially seeds, is not suggested to safeguard health conditions.

To avoid spoiling, consume within three months; besides, buy in smaller packages to prevent storing for longer than necessary.

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