Cooking oil expires faster than you think — and it could be ruining your food. Many people are keeping cooking oils in their cabinets for too long. Good oil will last about a year after opening, but lower-quality oil will only last a few months. If you’re skeptical that your oil is still good, it’s best to toss it.
Is it safe to use expired cooking oil?
As long as your vegetable oil is unopened and stored properly, it should be fine for at least two years, probably for a lot longer. Once you’ll open the bottle, the oil in it should be fine for at least a year.
Can you get sick from using old vegetable oil?
Consuming rancid edible oil may leave an unpleasant taste, but it may not make you sick right away. However, the compromised oil can develop harmful free radicals that cause long-term cell damage and potentially lead to the development of chronic diseases.
How can you tell if cooking oil is rancid?
Pour a few milliliters of the oil into a shallow bowl or cup, and breathe in the scent. If the smell is slightly sweet (like adhesive paste), or gives off a fermented odor, then the oil is probably rancid. A taste test should be performed to be sure, since some oils may have a naturally sweet scent.
What happens if you eat old oil?
Is it dangerous? Eating rancid food won’t make you sick, but the new molecules that form as oxidation occurs may lead to digestive issues. Rancid foods are also less nutritious because oxidation destroys the good fats and some of the vitamin content.
What does bad vegetable oil smell like?
Signs of Spoilage
Your vegetable oil is bad if: It smells off. The oil is rancid if it gives off an aroma that reminds you of old paint or some chemicals. Same if the smell is harsh or strong or seems off in any other way.
Can rancid oil hurt you?
While rancid oil may taste bad, it probably won’t make you sick. Rancid oil does contain free radicals that might increase your risk of developing diseases over time.
What do you do with expired cooking oil?
How do I dispose of expired vegetable oil? You can dispose of expired vegetable oil by tossing it in the trash in a sealed non-breakable container. You can also take it down to a local waste center that accepts grease. This is the most responsible method for disposing of cooking oil.
How long can you keep cooking oil?
“Once you have opened the oil, it should be used in the first two to three months. However, a well produced and high-quality product could last up to one year, again stored in a dry cool place and lid tightly sealed.”
Is rancid canola oil bad for you?
But no matter the type of oil, people should throw it away if it’s rancid, both chemists advised. “[Rancid foods] lose their vitamins, but they also can develop potentially toxic compounds,” Eric Decker, the head of the Department of Food Science at the University of Massachusetts Amherst, told The Dallas Morning News.