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.
Palm Oil. One problem with oils is that they eventually go rancid. Some are more stable than others. Castor oil has a very long shelf life. Flax oil will turn rancid in fifteen minutes at room temperature.Coconut oil lasts about five years, but just after three years you can taste a difference.Partially Hydrogenated oils have a very long shelf life too.astor oil has a very long shelf life. Flax oil will turn rancid in fifteen minutes at room temperature. Coconut oil lasts about five years, but just after three years you can taste a difference. Partially Hydrogenated oils have a very long shelf life too.