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Corn oil (North American) or maize oil (British) 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.
The trans isomer of oleic acid is called elaidic acid or trans-9-octadecenoic acid. These isomers have distinct physical properties and biochemical properties. Elaidic acid, the most abundant trans fatty acid in diet, appears to have an adverse effect on health. [21] A reaction that converts oleic acid to elaidic acid is called elaidinization.
Nearly all soybean, corn, and canola oils found on supermarket shelves go through a deodorization stage that removes trace amounts of odors and flavors, and lightens the color of the oil. However, the process commonly results in higher levels of trans fatty acids and distillation of the oil's natural compounds. [34] [35] [36]
Edible oil refining is a set of processes or treatments necessary to turn vegetable raw oil into edible oil.. Raw vegetable oil, obtained from seeds by pressing, solvent extraction, contains free fatty acids and other components such as phospholipids, waxes, peroxides, aldehydes, and ketones, which contribute to undesirable flavor, odor, and appearance; [1] for these reasons, all the oil has ...
Tropical oils (palm oil, palm kernel oil, coconut oil) are naturally rich in saturated fat. They can be further fractionated to increase the concentration of desired fatty acids. [2] Interesterification can be used to mix multiple types of fats, obtaining an oil with intermediate properties. For example, soybean oil and fully-hydrogenated ...
Sunflower, corn, and soybean oil have a higher proportion of omega-6 fatty acids than oils from fish, walnuts, flaxseed, and rapeseed (canola). Omega-6 fatty acids constitute a growing proportion of Americans' fat intake and have been hypothesized to contribute to several negative health effects, including inflammation [17] and immunodeficiency ...
This means that coconut oil with an abundance of medium chain fatty acids (mainly lauric acid) contain more fatty acids per unit of weight than, for example, olive oil (mainly oleic acid). Consequently, more ester saponifiable functions were present per g of coconut oil, which means more KOH is required to saponify the same amount of matter ...
In addition, vast US government-financed surpluses of cottonseed oil, corn oil, and soybeans also helped create a market in low-cost vegetable shortening. [ 10 ] Crisco, owned by The J.M. Smucker Company since 2002, remains the best-known brand of shortening in the US, nowadays consisting of a blend of partially and fully hydrogenated soybean ...