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corn oil ( maize oil ) is oil extracted from the germ of corn ( maize ). Its main use is in cooking, where its high smoke point makes Refined Corn Oil a valuable frying oil. It is also a key ingredient in some margarines . Corn oil is generally less expensive than most other types of Vegetable Oils . One bushel of corn contains 1.55 pounds of corn oil (2.8% by weight). Corn agronomists have developed high-oil varieties; however, these varieties tend to show lower field yields, so they are not universally accepted by growers.
Corn oil is also a feedstock used for biodiesel. Other industrial uses for corn oil include soap, salve, paint, rustproofing for metal surfaces, inks,textiles, nitroglycerin, and insecticides. It is sometimes used as a carrier for drug molecules in pharmaceutical preparations.