If mold is a problem in your home, you should clean up the mold promptly and fix the water problem. It is important to dry water-damaged areas and items within 24-48 hours to prevent mold growth. Molds gradually destroy the things they grow on.
Quick Answer. Canola oil, blended oil, olive oil and safflower oil can all be used for up to two years past their expiration date when unopened. Sesame oil, vegetable oil, corn oil, coconut oil and hazelnut oil all can be stored up to one year past their expiration date when unopened. Keep Learning.
If youâll follow all the outlined rules, the oil will stay fine for a long time, but itâll go bad eventually. If youâre not sure how long your bottle of coconut oil has been stored, there are a few things you should check to get to know whether the oil is still fine. First thing you should do is to look at the surface of the oil â if you can spot any signs of mold, itâs better to discard the oil. If the oil is in solid form, you might decide to scoop all the mold and some additional oil and keep the rest of it.