What kind of fish is cod liver oil made from? What part of the fish is cod liver oil?

Cod liver oil is a very common medicine, many people have at home, but many people do not know about cod liver oil, the following I introduce you to cod liver oil is what fish do? Which part of the fish is cod liver oil?

Cod liver oil is what the fish do

Cod liver oil is generally extracted from the fish are fixed a few kinds of international and domestic production of cod liver oil has some differences.

Cod, turbot and so on are the traditional raw materials for cod liver oil production internationally. China mainly uses shark, skate, yellowtail, mackerel and horse triggerfish. The main manufacturing methods are:

① Steaming method. Steam cooking directly chopped fish liver, after standing or centrifugal separation of the clarified oil. This method is used for more oil-containing fish liver and liver oil production on fishing boats.

② light alkali digestion method. Chopped fish liver with water and sodium hydroxide cooking, centrifugal separation of liver oil and then refined.

③ Extraction method. The chopped fish liver to organic solvents for extraction, and then recovered from the solvent in the extraction solution that is; or the fish liver first by light alkali digestion, and then extracted with low potency cod liver oil or vegetable oil. This method is suitable for fish liver raw materials containing less oil and high vitamin efficiency. Cod liver oil produced by the above methods must also be at low temperature to make part of the hard fat precipitation, filtered and clear cod liver oil.

Which part of the fish is cod liver oil

Cod liver oil, as the name suggests, is extracted from fish liver.

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Cod liver oil knowledge

Used for the prevention and treatment of vitamin A and D deficiency. Such as rickets, night blindness and pediatric tetany.

Infants

WHO states that infants are born with low stores of vitamin D in their bodies and rely on breast milk, sunlight, or supplements as a source of vitamin D in the first few months of life. Vitamin D deficiency in infants can lead to bone deformities (rickets), epilepsy, and respiratory problems. Vitamin D deficiency is common in infants even where foods are fortified with vitamin D and where there is plenty of sunshine throughout the year.

Breastfeeding

According to the Dietary Guidelines for Chinese People, breastfeeding is defined as a feeding regimen in which all of the infant's fluid, energy, and nutrient needs are met exclusively with breast milk for 6 months after birth. The possible exceptions to breastfeeding are the use of small amounts of nutrient supplements, such as vitamin D and vitamin K. Normal breastfed infants should be fed vitamin D 400IU~800IU per day (400IU~600IU in the south, and 600IU~800IU in the north), and preterm infants should be increased to 600IU~800IU per day as well; for those who have difficulty in taking vitamin D orally on a daily basis.

Cod liver oil is a tonic, but do not eat blindly.