Peanuts Shelf Life: Can It Go Bad?

Everybody is familiar with this nut which is also known as “ground-nut”. It is loved by all and is enjoyed in a variety of ways. Its versatility in utilization increases its acceptance among masses. They are regarded as energy-dense as despite being small, they are packed with all the nutrients required by the body for optimum functioning (*).

The Popularity of Peanuts

Some of the ways it is preferred are: raw, cooked, salted, roasted, boiled, etc. It is an essential ingredient of many cuisines like in Latin and North America, Southeast Asia, African countries and the Indian subcontinent. Peanut bars, salted or sweet, are a very popular snack that is made with jaggery or sugar and cut into bars when cooled.  

They are present in the market as:

  • Whole peanuts (peeled/ unpeeled peanuts)
  • Peanut oil
  • Peanut butter
  • Peanut flour

Are Peanuts Good For You?

The beauty of eating peanuts is that it is not specified to a particular age group. They can be and should be consumed by everyone unless an individual is allergic to it.

Children are given it in their lunches to boost-up their energy and concentration levels in school. Peanut butter sandwich is a popular easy-to-make snack enjoyed in all ages.

Pregnant women are encouraged to consume a handful of peanuts as they are loaded with folate, a nutrient that is essential for healthy nervous system development of the baby.  

For adults, it is beneficial as it provides anti-aging components and also helps in weight loss and management.

Old age individuals enjoy this food item as it contains a nutrient (arginine) which helps to lower blood pressure, keeping the heart, healthy and strong.

Researches have highlighted that peanuts play a key role in reducing the risk of inflammation, diabetes, gall-stones, hunger reduction, weight management, and even cancers. They are also used to avoid and treat malnutrition by making them into cost-effective energy bars (*).

Nutritional Composition

There is a reason that peanuts have a high satiety value (feeling of fullness). They are full of healthy nutrients and are considered to be wholesome as they provide a good chunk of the recommended dietary allowance (RDA) (*).

Nutrition Facts of Raw PeanutsValues
Energy567 calories
Carbohydrates16.13 g
Protein25.8 g
Total Fat49.24 g
Fiber8.5 g

How To Choose Peanuts When Buying

#1. Prefer unshelled (without removal of outer covering) peanuts as they are more likely to be fresh and crisp. 

#2. The package in which they are present or sold should be free from holes, cracks, spots, and smell.

#3. Hold them in hand to feel their weight, check their color.

#4. If buying from the open market, try one, upon request, to check for its flavor and freshness.

Storage Of Peanuts

#1. Peanuts are in the market all year long which makes its availability, not an issue. It is thus preferred to purchase them in such an amount which will be easily consumed in a month or stored in the refrigerator or freezer with ease. 

#2. Generally unshelled (with the outer covering) can be placed in a cool and dry place for months.

#3. Peanuts without the outer covering should be kept in an airtight container so that they do not become rancid (flavor change due to oxidation)

#4. Keep them away from high-odor foods like onions, garlic as they take up the smell of foods which are present around them.

#5. At room temperature, peanuts can be stored for up to 3 to 4 months, depending on the conditions as they are affected by light, moisture, heat, and humidity.

#6. In the refrigerator, shelled peanuts are fresh for up to 3 months.

#7. In the freezer, they are good for more than 6 months. 

#8. Prefer labeling the packages to consume those packages first which were stored earlier. 


How long can you keep raw peanuts in the pantry?

Peanuts, if unshelled (kept in their shell), last longer (1-2 months) than shelled (only a few weeks). Refrigerating is preferred to maintain their flavor and quality.

How do you keep peanuts or dry roasted peanuts fresh?

Putting them in airtight containers and placing them in the refrigerator is the best way to go and if they are not to be used frequently then prefer freezing for lasting quality.

Can peanuts go bad or stale?

Yes, they can easily lose their flavor as they have a high-fat content. Bad peanuts are bitter, have an unpleasant taste and have an off-odor.

What happens if you eat old peanuts?

The unpleasant taste of old peanuts will immediately indicate that they have gone bad. It will be sour and bitter.

Can nuts or nut flour be frozen?

Yes, they can easily be frozen. Put them in airtight containers and freeze.

How do you remove moisture from nuts?

Spread it in a baking tray and put them in the oven (350oF) for 10 minutes. Allow it to cool. They will be good to eat.

How do you thaw frozen nuts?

Take them out of the freezer and allow them to return to room temperature. A microwave can also be used to thaw nuts.

How do you store peanuts for a long time?

Freezing nuts is the best way to go.


Adding detail and interest in the food, this nut has a lot to offer but storing it well increases its shelf life. This small-sized nutritious food with high satiety value makes it the most favorite snacking option. 

peanuts shelf life

Photo by titov/depositphotos

About The Author

Scroll to Top