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E1450 – Starch Sodium Octenyl Succinate

E1450 (starch sodium octenyl succinate) is a modified food additive used as an emulsifier and stabilizer in a wide range of food products.

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Things worth knowing about "E1450"

E1450 (starch sodium octenyl succinate) is a modified food additive used as an emulsifier and stabilizer in a wide range of food products.

What is E1450?

E1450, also known as starch sodium octenyl succinate (OSA starch), is a chemically modified starch-based food additive. It is produced by reacting natural starch – typically derived from corn, wheat, potato, or tapioca – with octenyl succinic anhydride (OSA). This modification gives the starch amphiphilic properties, meaning it can interact with both water and fat, making it an effective emulsifier and stabilizer in food applications.

Origin and Production

The raw materials for E1450 are plant-based starches. Through a chemical esterification process with OSA, the starch structure is altered so that hydrophobic (water-repelling) groups are introduced into the molecule. The final product is a white to off-white powder that readily disperses or dissolves in water.

Uses in Food

E1450 is used in a wide variety of food products to improve texture, stability, and shelf life. Common applications include:

Beverage powders and instant products: Prevents clumping and improves solubility
Salad dressings and sauces: Stabilizes oil-in-water emulsions
Baked goods: Improves dough consistency and shelf life
Dairy products and dairy alternatives: Ensures uniform texture
Flavors and colorants: Acts as a carrier (encapsulation agent) for sensitive ingredients
Baby food: Used as a thickener in certain approved formulations

Mechanism of Action

The amphiphilic structure of E1450 allows the molecule to act at the interface between oil and water. The hydrophobic OSA groups orient themselves toward the oil phase, while the hydrophilic starch portions interact with the aqueous phase. This stabilizes oil droplets in water-based systems, forming a uniform and stable emulsion. Additionally, E1450 can form a film around sensitive ingredients – such as essential oils or vitamins – protecting them from oxidation and degradation.

Safety and Regulatory Status

E1450 is approved in the European Union under Regulation (EC) No. 1333/2008 on food additives. The European Food Safety Authority (EFSA) has evaluated E1450 and concluded that it is safe for human consumption when used within established maximum levels. No specific Acceptable Daily Intake (ADI) value was set, as no safety concerns were identified. OSA starch is digested in the body similarly to regular starch, since the chemical modifications affect only a small proportion of the starch molecules.

Tolerability and Notes

E1450 is generally well tolerated by most people. However, since the source starches may be derived from wheat, corn, or other grains, individuals with celiac disease or a wheat allergy should verify the origin of the starch used. In practice, products containing E1450 derived from wheat are required to carry appropriate labeling. Products made from gluten-free starches such as corn or tapioca are generally considered safe for these individuals.

Labeling

On food ingredient lists, E1450 is declared either as E1450 or as starch sodium octenyl succinate. Labeling is mandatory for all packaged foods containing this additive.

References

European Food Safety Authority (EFSA): Re-evaluation of oxidised starch (E 1404), monostarch phosphate (E 1410), distarch phosphate (E 1412), phosphated distarch phosphate (E 1413), acetylated distarch phosphate (E 1414), acetylated starch (E 1420), acetylated distarch adipate (E 1422), hydroxypropyl starch (E 1440), hydroxypropyl distarch phosphate (E 1442), starch sodium octenyl succinate (E 1450), acetylated oxidised starch (E 1451) and starch aluminium octenyl succinate (E 1452) as food additives. EFSA Journal, 2017;15(10):4911.
Regulation (EC) No 1333/2008 of the European Parliament and of the Council of 16 December 2008 on food additives. Official Journal of the European Union, 2008.
Food and Agriculture Organization of the United Nations (FAO) / World Health Organization (WHO): Compendium of Food Additive Specifications – Starch, sodium octenyl succinate. JECFA Monographs, Rome, 2012.

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