E1420 Acetylated Starch – Unicorn

E1420 – Acetylated Starch is a notable single-modified starch known for stabilizing structure, preventing water separation, and improving product texture across various food processing operations, especially frozen foods, instant noodles, baked goods, and sauces. This article by Hung Duy Starch will help you understand what E1420 is, its chemical structure, key characteristics, practical applications, and why businesses choose acetylated starch as a stable, safe, and efficient technological solution.

1. What is E1420?

E1420 (Acetylated Starch) is a natural starch (from corn, potato, cassava) modified via a single acetylation reaction. In this process, agents such as acetic anhydride or vinyl acetate attach acetyl groups (-COCH₃) to the hydroxyl groups (-OH) on the polysaccharide molecules, helping the starch resist water separation, maintain viscosity, and preserve structure under high heat, strong mixing, or mechanical processing.

Internationally, E1420 is the designation for Acetylated Starch according to the European Union (EU) food additive regulations. In the FAO/WHO Codex Alimentarius system, it is identified as INS 1420. It is also referred to as Starch Acetate.

2. Chemical structure of E1420

E1420 is essentially starch esterified at the free hydroxyl (-OH) groups on glucose units. During this process, starch reacts with acetic anhydride or vinyl acetate to form acetyl groups (-O-COCH₃), primarily at C-2, C-3, and C-6 positions of the glucose ring.

The esterification process enables E1420 to form a smooth, stable starch paste with minimal water separation, maintaining uniformity even under high heat, vigorous mixing, or mechanical handling. The entire process follows GMP principles to ensure appropriate acetylation levels for optimal functional performance while remaining safe and stable in the final product.

3. Key properties of Acetylated Starch E1420

E1420 has outstanding properties that make it more stable during processing and storage compared to native starch:

• Improved freeze–thaw stability, preventing structural breakdown (core advantage), allowing products to retain soft texture longer and reducing water separation during cooling or refrigerated storage.
• Lower gelatinization temperature, reducing cooking time and saving energy.
• Improved clarity and viscosity of starch pastes.
• Enhanced water and oil absorption, as well as swelling capacity.
• Better water retention and gel formation.
• Emulsion stabilization, improving smoothness and texture of oil–water products.
• Contributes as RS4 resistant starch, supporting gut microbiota.

Note: Although excellent for frozen storage, E1420 is a single-modified starch with lower thermal and mechanical stability because its granule structure is “loosened” by acetyl groups without reinforcement (like cross-linking). At high temperatures or during vigorous mixing, the starch granules can break, reducing viscosity and stability. Therefore, in industrial production, E1420 is often combined with other modified starches (like E1414 or E1422) to create dual-modified starch with improved durability.

4. Industrial applications of E1420

E1420 (acetylated starch) is widely used across various food categories and industries:

• Instant noodles, vermicelli, pho (enhances chewiness and elasticity; reduces mushiness; improves surface gloss; stable during frying).
• Noodle/phở broth (controls viscosity).
• Frozen buns, wontons, spring rolls.
• Frozen cakes, vegetables, snacks.
• Popsicles, tub ice cream, frozen yogurt, chilled pudding.
• Sauces, tomato sauce, meat sauces, cream sauces, cheese sauces.
• Packaged soups, condensed soups.
• Steamed sausages, steamed meat/fish balls, baked minced meat.
• Bread, pastries, puff pastries, crackers.
• Fried snacks / extruded snacks.
• Tempura batter, breading for seafood, chicken, vegetables.
• Pizza toppings, sweet and savory fillings, ready-to-use fillings.
• Salad dressings, custards, reduced-fat mayonnaise.
• Dairy beverages, plant-based milk, juices, protein-enriched drinks.
• Instant porridge, nutritional powders, soluble cereal powders.
• Low-fat / fat replacement foods (mayo, dressings, low-fat yogurt).
• Dietary/nutritional/infant foods (RS4 application).
• Paper industry (coatings, surface paste), textiles, biodegradable packaging, bio-adhesives.

5. High-quality manufacturer of Acetylated Starch E1420

With over half a century in the wheat starch industry, Hung Duy Starch is a pioneering company in Vietnam mastering the production technology of modified wheat starch, including E1420 Acetylated Starch. Advanced production and R&D capabilities, combined with international trade experience, allow Hung Duy to consistently supply starches meeting high technical standards for modern food and industrial applications.

Outstanding strengths of Hung Duy Starch:

• Leading production & technology: Pioneer in Vietnam with over 20 types of modified wheat starch, ensuring product stability, purity, and technical properties for diverse food and industrial applications.
• Specialized R&D: 55+ years experience and technical team expertise in viscosity, water separation resistance, and thermal–mechanical stability, enabling tailored solutions for instant noodles, frozen foods, sauces, beverages, and snacks.
• Strong international trade knowledge: Partnerships with major buyers in the US, Europe, Japan, Australia, and Asia; experience in compliant exports to strict markets, ensuring quality, documentation, and logistics meet global standards.
• Large-scale, stable supply chain & logistics: 50,000-ton warehouse system with flexible domestic–international logistics (FOB/CFR/CIF/Door-to-door), optimizing operations and reducing customer risk.

If your business is seeking a reliable international-standard supply of modified starch – stable, transparent, and long-term – Hung Duy Starch’s technical team is ready to provide guidance. Contact us for the most suitable product solution for your process and application.

• Domestic hotline: (+84) 913 320 365
• Export hotline: (+84) 909 917 141