water in the mortar. Why Iodine Disappears During Cooking and How to Avoid It Iodine is needed by the thyroid gland to produce hormones that regulate metabolism. Moreover, even a varied diet does not always cover the need for this microelement: an adult needs about 150 mcg of iodine per day, pregnant and lactating women need about 250 mcg. One of the main food sources of iodine is sea fish, but it is important not only to choose the right product, but also not to lose the microelement during cooking. read more