cod-liver oil

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cod-liver oil,

yellowish oil obtained from the liver of the codfish. The oil is rich in vitamin A and vitamin D (calciferol). It was long used as a preventive and cure for ricketsrickets
or rachitis
, bone disease caused by a deficiency of vitamin D or calcium. Essential in regulating calcium and phosphorus absorption by the body, vitamin D can be formed in the skin by ultraviolet rays contained in sunlight; it can also be consumed in such
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 in Baltic and Scandinavian countries, where fish is a dietary staple. However, it was not until the 1920s that doctors in the U.S. finally recognized its therapeutic usefulness. More palatable synthetic vitamins have largely replaced cod-liver oil as dietary supplements, and almost all the milk sold in the United States and Europe now contains added vitamins A and D. See vitaminvitamin,
group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes, or they form integral parts of coenzymes.
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Cod-Liver Oil


a product obtained from the liver of fishes of the cod family (Gadidae). Cod-liver oil is a clear, thick liquid having a characteristic odor. It is pale yellow or yellow-brown in color. The oil consists mainly of triglycerides of unsaturated carboxylic acids; it also contains small amounts of free fatty acids, cholesterol, phosphatides, and vitamins A and D.

Cod-liver oil is used in medicine and animal husbandry as a source of vitamins A and D. One milliliter contains 200–500 IU (international units) of vitamin A and 80–100 IU of vitamin D. Cod-liver oil is used internally to prevent rickets and vitamin A deficiency. A similar oil, obtained from the subcutaneous fat of aquatic mammals (whales, porpoises, and seals), is used externally to treat skin disorders.

In animal husbandry, cod-liver oil is used to accelerate animal growth and development and to prevent and treat rickets and xerophthalmia. Although the oil is fed mainly to young animals, it may be used to treat fowl of all ages. The oil is stored in cool, dark places, because the vitamin D is converted to poisonous toxisterol when exposed to light.

Cod-liver oil obtained from wastes in the evisceration and processing of fish is used in leather and soap production.

cod-liver oil

[′käd ‚liv·ər ‚ȯil]
A yellow oil, high in vitamin D, extracted from the liver of the Atlantic cod (Gadus morrhua); soluble in alcohol. Also known as banks oil; oleum morrhuae.

cod-liver oil

an oil extracted from the livers of cod and related fish, rich in vitamins A and D and used to treat deficiency of these vitamins
References in periodicals archive ?
It is now one of the biggest selling health supplements in Europe with retailers Seven Seas conducting research into the health effects of cod liver oil on youngsters with attention deficit hyperactivity disorder.
Mark, 40, is a champion power lifter, president of the American Fitness Professionals and Associates and has been taking cod liver oil since he was 22.
Professor Bruce Caterson, of Cardiff University, who led the research with colleague Prof John Harwood, said, 'What these findings suggest is that by taking cod liver oil, people are more likely to delay the onset of osteoarthritis and are less likely to require multiple joint replacements later in life.
Over the years arthritis caused by over-exercise left me in huge amounts of pain and when it got to the point that I needed surgery I started taking cod liver oil again.
Today, cod liver oil comes in convenient-to-swallow capsules which shimmer gold in the soft lighting of the designer kitchen.
In the 1950s, more research was carried out into the essential fatty acids Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA) contained in cod liver oil and other oily fish, and they were found to benefit many aspects of the human body
He was best known for his song Cod Liver Oil And Orange Juice .
The research by Tesco Healthcare also shows that a third of kids aged four to 16 are given supplements like multivitamins, omega 3 and cod liver oil.
Now cod liver oil is staging a comeback as recent research demonstrates its value in easing arthritis and other joint-related conditions and, as a bonus, its ability to contribute to a healthy heart through Omega- 3 fatty acids.
The study also shows a third of kids aged four to 16 are given supplements like multivitamins, omega 3 and cod liver oil.
GRANNY'S cod liver oil remedy is one old wives' tale that should be heeded for the sake of our health, it seems.