corn or canola oil
Both oils are calorie-dense at approximately 120 calories per tablespoon. Canola oil is distinguished by its low saturated fat content and higher ratio of monounsaturated to saturated fats, while corn oil contains notably higher levels of polyunsaturated fats and linoleic acid.
About
Corn oil is a refined vegetable oil extracted from the germ of corn kernels (Zea mays), a cereal grain native to Mesoamerica. The extraction process involves pressing or solvent extraction of the oil-rich germ, followed by refinement, bleaching, and deodorization to produce a clear, neutral oil. Corn oil is predominantly composed of polyunsaturated and monounsaturated fatty acids, with a high smoke point of approximately 400°F (204°C), making it suitable for high-heat cooking applications. The refined oil has a mild, nearly neutral flavor with subtle sweetness.
Canola oil, derived from cultivars of rapeseed (Brassica napus) bred to be low in erucic acid and glucosinolates, originated from selective breeding programs in Canada in the 1970s (the name derives from "Canadian oil, low acid"). Refined canola oil has a similar smoke point to corn oil (around 400°F/204°C) and is characterized by a low saturated fat content and favorable fatty acid profile, including significant amounts of alpha-linolenic acid (omega-3). The refined product is pale yellow to clear with a mild, neutral taste.
Culinary Uses
Corn oil is widely used in commercial food production and home cooking for frying, sautéing, and baking due to its high smoke point and neutral flavor. It is commonly employed in deep frying applications, salad dressings, and mayonnaise production. Canola oil serves similar culinary functions and has become prevalent in both industrial and home kitchens across North America and Europe; it is frequently used in salad dressings, marinades, baking, and general-purpose cooking. Both oils are favored in cuisines where neutral-flavored fats are preferred, such as Asian stir-frying, and are standard ingredients in processed and packaged foods.