-liver oil is the product received from cod liver, representing transparent oily liquid of yellowish color with a slight smell and taste. There are three main grades used in the industry and medicine – white, yellow, brown. The last type is used only for the technical purposes.
Vitamins, olein, palmitic and some nonsaturated fatty acids like omega-3, an omega-6 are a part of cod-liver oil.
Retinolum (vitamin A) – participates in exchange processes in mucous membranes and skin, with its help visual pigments which are necessary for normal twilight and color sight are formed. Also it provides integrity of epithelial fabrics and regulates growth of bones.
Kolekaltsiferol (vitamin D) regulates exchange of calcium in an organism, participates in process of growth and development of a bone and muscular system.
Recent researches showed that cod-liver oil actively influences work of a brain, influencing sites which are responsible for memory, thinking, the speech.
Is interesting the fact that in recent times use of cod-liver oil was a contraindication at pregnancy, however scientists proved that the product is on the contrary useful to prevention of a postnatal depression, strengthening production of serotonin which is known as hormone of good mood.
States at which it is necessary to include cod-liver oil in a diet:
- Hypovitaminoses and avitaminosis of A, D
- Prevention and treatment of diseases of a bone and muscular system
- Atherosclerosis
- Obesity
- Diseases of eyes
- Damages of an integument
About the certificate of hypovitaminoses and avitaminosis of A, D it is possible to notice a set of signs. The main of them are decrease in sight, a hair loss, violation of structure of skin, nails and teeth, frequent respiratory diseases. The intensity is quite different, however in the presence of any symptom of shortage of vitamins, it is recommended to bring cod-liver oil in the diet.
At the expense of the content of nonsaturated fatty acids like omega-3 which reduce concentration of cholesterol in blood cod-liver oil is unique help in treatment and prevention of such diseases as atherosclerosis and obesity.
Because of high concentrations of A and D vitamins, cod-liver oil recommends for additional treatment of diseases of the musculoskeletal device – bone fractures, osteoporosis and postoperative interventions on various joints.
At various wounds, thermal and chemical burns of skin, the product is applied locally.
Contraindications to use of cod-liver oil:
- Hypersensibility to a product at which there can be allergic reactions
- Idiopathic giperkaltsiyemiya
- Nefrourolitiaz
- Gipervitaminoz D
- Giperkaltsiuriya
- Sarkoidoz
- Calcic nefrourolitiaz
- Too long reception of a product
- Thyrotoxicosis
- Tuberculosis of lungs in an active form
- Chronic renal failure
- Organic damages of heart
- Stomach ulcer of a stomach and 12-perstny gut
- Lactation period
Now cod-liver oil is sold in drugstores in the form of capsules so grandmother's methods of intake of opposite liquid fell into oblivion. Duration of reception fluctuates from one to two months 2-3 times a year. It is not recommended to drink a product constantly as it can lead to a gipervitaminoz and its complications. For those who avoid drug intake it is necessary just to increase quantity and receptions of the fish products consumed in food.