Ferric Sodium Edetate

What is ferric sodium EDTA used for?
A: EDTA ferric sodium is a stable chelated ferric supplement, with core applications focused on food nutrition enhancement and pharmaceutical iron supplementation.

In the food industry, it is often added as a food additive to dairy products, grain products, infant and toddler foods, etc. It can efficiently supplement the iron element needed by the human body, prevent iron deficiency anemia, and has stable properties that are not easily affected by other ingredients in the food, and will not change the color and flavor of the food.

In the field of pharmacetical industry, it can be used to prepare oral iron supplements, providing a mild and easily absorbable iron source for iron deficient populations such as pregnant women, children, and the elderly, with lower irritability than traditional iron supplements.

In addition, it can be used as a trace element fertilizer in agriculture to help plants absorb iron elements; It can also be used as a chelating agent in cosmetics to stabilize the formulation system and improve product shelf life.

1. Food & Nutritional Fortification

Staple Food Fortification: Ideal for fortifying wheat flour, maize flour, rice, and soy sauce where sensory changes must be minimized.

Liquid Products: Used in iron-fortified beverages, infant formulas, and dietary liquid supplements.

Breakfast Cereals & Powdered Drinks: Provides stable, bioavailable iron without affecting taste or shelf life.

Salt Fortification: Sometimes used in double-fortified salt (iodine and iron).

2. Pharmaceutical & Nutraceutical

Iron Supplements: Key ingredient in syrups, tonics, and liquid multivitamin/mineral supplements for treating and preventing iron-deficiency anemia.

Tablets & Capsules: Used in solid dosage forms where a highly absorbable iron source is required with low gastrointestinal side effects.

3. Industrial & Technical

Agriculture: Used as a micronutrient in chelated fertilizers to treat iron chlorosis in plants.

Laboratory Reagent: Acts as a source of ferric ions in controlled chemical processes and analytical applications.

Stable Chelation: The EDTA ligand tightly binds the ferric ion, forming a stable, water-soluble complex that prevents iron from catalyzing oxidative reactions (e.g., fat rancidity).

High Bioavailability: The chelated form protects iron from forming insoluble complexes with phytates and polyphenols commonly found in food, leading to superior absorption compared to many inorganic iron salts (like ferrous sulfate), especially in fortified foods.

Minimal Organoleptic Impact: Causes less metallic taste, color change, and oxidation in fortified products compared to other iron compounds.

Excellent Solubility: Highly soluble in water, making it ideal for liquid formulations, syrups, and fortification of water-based products.

pH Stability: Remains stable and soluble across a broad pH range.

Q1: Is Ferric Sodium Edetate suitable for vegetarian/vegan products?
A: Yes. The iron is derived from mineral sources and chelated synthetically, making it suitable for vegan and vegetarian formulations.

Q2: How does Ferric Sodium Edetates' bioavailability compare to ferrous sulfate?
A: In diets high in inhibitors (like phytates in cereals and legumes), Sodium Ferric EDTA can be 2-3 times more bioavailable than ferrous sulfate. In a mixed diet, it is at least as bioavailable and often superior due to its stability.

Q3: Can it cause discoloration or off-flavors in fortified foods?
A: It is notably less reactive than inorganic iron salts. It significantly reduces problems of fat oxidation, color graying (e.g., in flour), and metallic taste, making it a preferred choice for sensitive food matrices.

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