Try to add iodized salt last when cooking vegetables.

Iodine is easily lost when heated, and the longer you heat it, the more it is lost. So try to add salt after cooking, don't put iodized salt in hot oil and fry with vegetables, and don't wash iodized salt. Iodine is lost more quickly in a hot environment. Salt cylinders should be placed in a cool place without direct sunlight or heat radiation. Don't buy too much iodized salt at one time, or you will lose a lot of iodine if you store it in a plastic bag for a long time.

Buy iodized salt packaged in small plastic bags with designated trademarks printed on them and labeled with the iodized salt logo, and don't buy private salt or no (low) iodized salt at random. Commercially available iodized salt is usually packed in plastic bags. Iodine is lost more quickly in plastic bags, so iodized salt should be put into glass or ceramic containers in a timely manner after purchase and covered tightly.

Extended information

Iodine is an essential trace element, known as the "intelligence element". Iodine and protein, fat, sugar, vitamins and so on as a nutrient and exist in the human body, in the process of maintaining the health of the body plays an important role. Iodine more iodine less will get thyroid disease, all will seriously affect the health of the body.

Iodine deficiency seriously jeopardizes human health, the main manifestations of iodine deficiency disorders are: damage to the neurological development of the brain in children, manifested in varying degrees of mental retardation, low learning ability. Endemic goiter, commonly known as thick neck root or big neck disease. Iodine deficiency in pregnant women can lead to death, deformity, deafness or miscarriage or premature birth of the fetus that is growing in the mother's body.

Adults with iodine deficiency will lose their physical strength and labor capacity, and the lack of iodine from the beginning of pregnancy to the baby's birth after 2 years of age will lead to backward brain development of infants, a serious clinical condition known as "cretinism", and this process is irreversible, and even if iodine supplementation is impossible to return to normal later on.

People's Daily Online - The Proper Use of Iodized Salt (Health Concerns)