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.
As mentioned above, if you keep your refined coconut oil in a cool, dark and dry place, in a tightly sealed jar, it should last for at least 12 months without going rancid. Most of these products have an 18-month use-by date, and when properly stored, can remain viable for 2-3 months past this date.