Iodine 아이오딘 영양소 소개 PPT (영어)

1. what is iodine

Iodine is a chemical element represented by the symbol I and atomic number 5 It is part of the halogen group in the periodic table, which includes elements like fluorine, chlorine, and bromine. Iodine is a vital nutrient for human health, primarily known for its essential role in the production of thyroid hormones. These hormones, specifically thyroxine (T and triiodothyronine (T, regulate numerous physiological processes, including metabolism, growth, and development. Iodine is unique among the halogens because it is the only one that is a solid at room temperature, exhibiting a lustrous, bluish-black appearance. Iodine occurs naturally in various forms, most commonly as iodide ions, which are found in seawater and certain minerals. The concentration of iodine in the environment is influenced by geographical factors, with coastal areas generally having higher iodine levels due to oceanic exposure. This element is not synthesized in the human body, making dietary
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