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Corn oil
 
 
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Corn oil is oil
Oil

An oil is a chemical substance that is in a viscosity liquid state at room temperature or slightly warmer, and is both hydrophobic and lipophilic ....
 extracted from the germ
Cereal germ

The germ of a cereal is the reproductive part that germinates to grow into a plant; it is the embryo of the seed....
 of corn (maize
Maize

Maize , known as corn in some countries, is a cereal domesticated in Mesoamerica and subsequently spread throughout the American continents....
). Its main use is in cooking, where its high smoke point
Smoke point

The smoke point refers to the temperature at which a cooking fat or oil begins to break down. The substance smokes or burns, and gives food an unpleasant taste....
 makes refined corn oil a valuable frying
Frying

Frying is the cooking of food in oil or fat, a technique that originated in ancient Old_Kingdom around 2500BC. Chemically, oils and fats are the same, differing only in melting point, but the distinction is only made when needed....
 oil. It is also a key ingredient in some margarine
Margarine

Margarine , as a generic term, can indicate any of a wide range of butter substitutes. In many parts of the world, margarine has become the best-selling table spread, although butter and olive oil also command large market shares....
s. Corn oil has a milder taste and is less expensive than most other types of vegetable oils. One bushel
Bushel

A bushel is a unit of dry measure, usually subdivided into eight local gallons in the systems of Imperial units and U.S. customary units. It is used for volumes of dry measure commodity, not liquids, most often in agriculture....
 of corn contains 1.55 pounds
Pound (mass)

The pound or pound-mass is a Units of measurement of massused in the Imperial unit, United States customary units and other systems of measurement....
 of corn oil (2.8% by weight). Corn agronomists
Agricultural science

Agricultural science is a broad multidisciplinary field that encompasses the parts of exact, natural, economic and social sciences that are used in the practice and understanding of agriculture....
 have developed high-oil varieties; however, these varieties tend to show lower field yields, so they are not universally accepted by growers.






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Encyclopedia


Corn oil is oil
Oil

An oil is a chemical substance that is in a viscosity liquid state at room temperature or slightly warmer, and is both hydrophobic and lipophilic ....
 extracted from the germ
Cereal germ

The germ of a cereal is the reproductive part that germinates to grow into a plant; it is the embryo of the seed....
 of corn (maize
Maize

Maize , known as corn in some countries, is a cereal domesticated in Mesoamerica and subsequently spread throughout the American continents....
). Its main use is in cooking, where its high smoke point
Smoke point

The smoke point refers to the temperature at which a cooking fat or oil begins to break down. The substance smokes or burns, and gives food an unpleasant taste....
 makes refined corn oil a valuable frying
Frying

Frying is the cooking of food in oil or fat, a technique that originated in ancient Old_Kingdom around 2500BC. Chemically, oils and fats are the same, differing only in melting point, but the distinction is only made when needed....
 oil. It is also a key ingredient in some margarine
Margarine

Margarine , as a generic term, can indicate any of a wide range of butter substitutes. In many parts of the world, margarine has become the best-selling table spread, although butter and olive oil also command large market shares....
s. Corn oil has a milder taste and is less expensive than most other types of vegetable oils. One bushel
Bushel

A bushel is a unit of dry measure, usually subdivided into eight local gallons in the systems of Imperial units and U.S. customary units. It is used for volumes of dry measure commodity, not liquids, most often in agriculture....
 of corn contains 1.55 pounds
Pound (mass)

The pound or pound-mass is a Units of measurement of massused in the Imperial unit, United States customary units and other systems of measurement....
 of corn oil (2.8% by weight). Corn agronomists
Agricultural science

Agricultural science is a broad multidisciplinary field that encompasses the parts of exact, natural, economic and social sciences that are used in the practice and understanding of agriculture....
 have developed high-oil varieties; however, these varieties tend to show lower field yields, so they are not universally accepted by growers. Refined corn oil is 99% triglyceride
Triglyceride

is a glyceride in which the glycerol is esterified with three fatty acids. It is the main constituent of vegetable oil and animal fats....
, with proportions of approximately 59% polyunsaturated fatty acid
Fatty acid

In chemistry, especially biochemistry, a fatty acid is a carboxylic acid often with a long unbranched aliphatic tail , which is either saturation or Unsaturated compound....
, 24% monounsaturated fatty acid, and 13% saturated fatty acid.

Corn oil is also one source of biodiesel
Biodiesel

Biodiesel refers to a non-petroleum-based diesel fuel consisting of long chain alkyl esters, made by transesterification of vegetable oil or animal fat , which can be used in unmodified diesel-engine vehicles....
. Biodiesel is commonly made from soybean
Soybean

The soybean or soya bean is a species of legume native to East Asia. The plant is classed as an oilseed rather than a Pulse . It is an annual plant that has been used in China for 5,000 years as a food and a component of drugs....
 or rapeseed
Rapeseed

Rapeseed , also known as rape, oilseed rape, rapa, rapaseed and canola, is a bright yellow flowering member of the family Brassicaceae ....
 oils, but as corn oil refining technology improves, it is expected to become a greater source of biodiesel and a backup source in case of large-scale soybean crop failures. Other industrial uses for corn oil include soap
SOAP

SOAP, originally defined as Simple Object Access Protocol, is a protocol specification for exchanging structured information in the implementation of Web Services in computer networks....
, salve
Salve

A salve is a medical ointment used to soothe the head or other body surface. A popular eye medicine known as "Phrygian powder" was one of Laodicea on the Lycus's sources of wealth....
, paint
Paint

Paint is any liquid, liquifiable, or mastic composition which after application to a Substrate in a thin layer is converted to an opaque solid film....
, rustproofing
Rustproofing

Rust-proofing is the name process whereby the rate at which objects made of iron and/or steel begin to rustis reduced , so that the places in which they are rusting can be spotted in time before a catastrophic failure and repaired....
 for metal surfaces, ink
Ink

An ink is a liquid containing various pigments and/or dyes used for coloring a surface to produce an , writing, or design. Ink is used for drawing and/or writing with a pen, brush or quill....
s, textile
Textile

A textile is a flexible material consisting of a network of natural or artificial fibres often referred to as thread or yarn. Yarn is produced by Spinning raw wool fibres, linen, cotton, or other material on a spinning wheel to produce long strands known as yarn....
s, nitroglycerin
Nitroglycerin

Nitroglycerin , also known as nitroglycerine, , trinitroglycerin, trinitroglycerine, 1,2,3-trinitroxypropane and glyceryl trinitrate, is a heavy, colorless, oily, explosive liquid obtained by nitration glycerol....
, and insecticide
Insecticide

An insecticide is a pesticide used against insects in all developmental forms. They include ovicides and larvicides used against the Egg and larvae of insects respectively....
s. It is sometimes used as a carrier for drug molecules in pharmaceutical
Pharmacology

Pharmacology is the study of drug action. More specifically it is the study of the interactions that occur between a living organism and exogenous chemicals that alter normal biochemical function....
 preparations.

The first commercial corn oil for cooking purposes was extracted in 1898 and 1899 by machinery invented by Theodore Hudnut and Benjamin Hudnut of the Hudnut Hominy Company of Terre Haute, Indiana, and called "mazoil."

Negative health effects

A high consumption of omega-6 polyunsaturated fatty acids, which are found in most types of vegetable oil including corn oil
Corn oil

Corn oil is oil extracted from the cereal germ of corn . Its main use is in cooking, where its high smoke point makes refined corn oil a valuable frying oil....
, may increase the likelihood that postmenopausal women will develop breast cancer
Breast cancer

Breast cancer is a cancer that starts in the Cell of the breast in women and men. Worldwide, breast cancer is the second most common type of cancer after lung cancer and the fifth most common cause of cancer death....
. Similar effect was observed on prostate cancer
Prostate cancer

Prostate cancer is a disease in which cancer develops in the prostate, a gland in the male reproductive system. It occurs when cell s of the prostate Mutation and begin to multiply out of control....
. Other analysis suggested an inverse association between total polyunsaturated fatty acids and breast cancer risk.

Further reading


External links