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Natural food sources of iodine include seafood which contains fish, seaweeds, kelp, shellfish and other foods which contain dairy products, eggs, meats, vegetables, so long as the animals ate iodine richly, and the plants are grown on iodine-rich soil. [114] [115] Iodised salt is fortified with potassium iodate, a salt of iodine, potassium, oxygen.
In areas where there is little iodine in the diet, typically remote inland areas and semi-arid equatorial climates where no marine foods are eaten, iodine deficiency also gives rise to hypothyroidism, the most serious symptoms of which are epidemic goitre (swelling of the thyroid gland), extreme fatigue, mental slowing, depression, weight gain ...
It is gradually inactivated by proteins if the pH rises above 4 and is inactivated if the temperature rises above 50°C, as the iodine is driven off as a gas. The optimum concentration is >200 mg/L free iodine with a contact time of 2 minutes and 100 mg/L free iodine for cleaned and dried equipment.
Iodine (I) can be used to determine whether fruits are ripening or rotting by showing whether the starch in the fruit has turned into sugar. For example, a drop of iodine on a slightly rotten part (not the skin) of an apple will stay yellow or orange, since starch is no longer present.
Dealing with high blood pressure? These diuretic foods and drinks could help.
Left unchecked, inflammation can cause fatigue, and may increase your risk of asthma, Type 2 diabetes, heart disease, and cancer. These 7 high-inflammatory foods can sap your energy and raise your ...
Where natural levels of iodine in the soil are low and vegetables do not take up the iodine, iodine added to salt provides the small but essential amount of iodine needed by humans. An opened package of table salt with iodide may rapidly lose its iodine content in high temperature and high relative humidity conditions through the process of ...
Limiting certain foods may also help in controlling high blood pressure. First, individuals with hypertension are recommended to limit sodium intake to about 1,500 milligrams or less per day.