The shelf life of cooking oils is very poor. If you don’t know how to store cooking oils properly and if it get exposure to oxygen, light or heat will subject oil to oxidation, eventually turning it rancid. Here is the 4 easy way to store cooking oils fresh for longer duration.
Though there are various types of cooking oils are available from market such as olive oil, coconut oil, vegetables , soybean oil, canola oil, sunflower oil, mustard oil and many more.
Whatever oils you are using , all of these oils can loose their character over time if don’t store properly.
Are cooking oils go bad?
Besides this the quality of the container and weather conditions also play major role to store cooking oil for longer duration.
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How to store cooking oils
Cooking oils are used in various recipes and are an integral partner in cooking. But if not stored properly, they can quickly go rancid even before their expiration date. Here is how to store cooking oils, along with some 4 easy tips to keep them fresh last longer duration.
Cooking oil storage temperature
- Some oils you can safely store at room temperature which are ghee oil , palm oil , peanut oil , olive oil , vegetable oil can last for a year if it tightly covered.
- There are other types of oils which are the best to store in the refrigerator otherwise it will spoil easily.these are mustard oil , sunflower oil , sesame oil will last for 6 to 7 months safely if stored properly.
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Best container to store cooking oil
1 . For storing cooking oil longer duration,store the cooking oil in a dark-colored glass bottle specially blue and green ones with a tight-fitting cap.
This dark colored bottles except brown color bottle which is not recommended because it allows to much light curtail sunlight power and help from degrading the oil quality.
2 . Never expose oil to too much oxygen otherwise cooking oil turn rancid quickly.So to prevent this always keep the cap or lid on the oil bottle when you are not using it.
3. If you bought a large bottle or tin of oil from market then for daily use transfer a small amount of the oil into a small dark-colored glass bottle and use it in the kitchen.
This will save you from opening and closing the bigger bottle, which will further keep the oil fresh. When the small bottle becomes empty, just refill it with more oil from the larger container.
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Store cooking oil in freezer
Some oils like sunflower oil and sesame oil are more delicate than other oil types and must be stored in the refrigerator.
When stored in the fridge these oils might become cloudy so for reuse this, you will need to take out oil one hour before using it, and let it sit at room temperature, allowing the oil to return to its usual texture.
Cold temperatures will help keep the oils fresh for long.
Storing in kitchen
These oils must always be stored in good quality containers in a cool and dry place. Warm temperatures and sunlight can break the oils down and make them go rancid faster.
How long can you store cooking oil
The most important step in storing oil is keeping track of the date you purchased it and rotate it on a regular basis. By the time it reaches its stamped expiration date, it may already be too rancid to use.
If you don’t use oil all that often, buy smaller bottles so you’ll be able to rotate through them more quickly.
The rancid oil contains free radicals, which have been known to be a factor in inflammation and the destruction of cells and tissue.
If you’ve stocked up on several bottles of oil, put yourself on a strict rotation basis, so the oil gets used up, and you replace it with a fresh bottle.
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Tips to avoid while storing cooking oil
1 . Don’t use plastic bottles to store cooking oil for longer duration because plastic tends to leach chemicals over time ultimately change the taste of the oil.To avoid these always use glass bottle or jar with a tight-fitting lid.
2 . Never store cooking oils in an iron or copper containers because these metals can easily create a chemical reaction when they come in contact with oil and make it unsafe to usage.
3 . Don’t store oil near sunlight such as such as windowsills which are the worst because the oil is subjected to too much sunlight and changes in temperature, can deteriorate oil and become rancid easily.
There are some other places which you must avoid on the counter, next to oven, in a cabinet above stove, near cooking appliances such as toaster, kettles etc.
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How to check if oil has spoiled
There are two most useful indicators which you can follow at home to check whether your oil is going bad or not.
- Smell of oil : If you sniff of sour or rotten smell coming from your oil which is different from its usual smell, then your oil might be going bad.
- Changing color of oil : If you see that the color of oil changes or molds are growing in it, then the oil has gone bad. Sometimes when oil becomes rancid it starts getting thicker.