Vitamin of A (ретинол) 2936220000
Retinol (true vitamin A, trans-9, 13-Dimethyl-7- (1,1,5-trimethylcyclohexen-5-yl-6) -onatetraen-7,9,11,13-ol) is a fat-soluble vitamin, an antioxidant. It is unstable in its pure form, it is found naturally in both plant and animal products.
Therefore, it is produced and used in the form of retinol acetate and retinol palmitate. In the human body it is synthesized from beta-carotene.
Necessary for vision and bones, healthy skin and hair, normal functioning of the immune system.
Green and yellow vegetables (carrots, pumpkin bell peppers, spinach, broccoli, green onions, parsley), legumes (soybeans, peas), peaches, apricots, apples, grapes, watermelon, melon, rose hips, sea buckthorn, sweet cherries; herbs (alfalfa, borage leaves, burdock root, cayenne pepper, fennel, hops, horsetail, kelp, lemongrass, mullein, nettle, oats, parsley, peppermint, plantain, raspberry leaves, clover, rose hips, sage, bearberry, violet leaves , sorrel).
Fish oil, liver (especially beef), caviar, milk, butter, margarine, sour cream, cottage cheese, cheese, egg yolk.
With prolonged use of vitamin A, it is necessary to take at the same time vitamin E , because ... in case of lack of it, it interferes with the assimilation of vitamin A.
The transformation of vitamin A into its active form is promoted by zinc, therefore zinc deficiency leads to impaired absorption of vitamin A.
There is evidence of a negative interaction of carotene with alcohol: their combination may cause liver damage to a greater extent than when taking alcohol alone, this should be taken into account in case of frequent and significant use of alcohol-containing drugs.
Since retinol is fat-soluble, it requires fats and minerals to be absorbed by the digestive tract. Its reserves remain in the body long enough not to replenish its reserves every day.
|Setting||for sight and bones, health of skin and hairs, normal work of the immune system.|