Quality Estimation and Iodine Determination of Marketed Edible Iodized Salt at Consumer Level for Better Nutrition

Abstract

Six locally manufactured and one foreign manufactured marketed edible iodized salt samples are collected from super stores. These samples are analyzed for impurities like Magnesium Sulphate, Calcium Chloride, Calcium Sulphate, Magnesium Chloride, Sodium Sulphate, Potassium Chloride, Water Insoluble Matter, Acid insoluble Matter, Alkalinity, Iodine content and Trace elements. Most of the samples have purity as NaCl greater than permissible limits as per Codex Alimentarius specifications, while some samples are less pure and are not safe for human consumption. Metal load in all salt samples are in the permissible limits as per Codex Alimentarius specifications except
lead (Pb), which is greater than permissible limits in one sample. Iodine content at consumer level is adequate in all salt samples and complies with standard specifications except one sample. On the basis of purity as NaCl the foreign manufactured salt sample and sample LM-5 are superior in quality and Iodine content than other locally manufactured salt samples.