E1422 Acetylated Distarch Adipate – Unicorn
E1422 Acetylated Distarch Adipate is a dual-modified tapioca starch combining adipate cross-linking and acetylation, enhancing structural strength and stability under high temperature, acidic conditions, and strong mechanical shear. The product provides stable viscosity, high clarity, and reduced swelling and syneresis.
E1422 is suitable for applications in sauces, seasonings, dairy products, mayonnaise, frozen foods, processed meat products, and food products requiring high stability during processing and storage.
E1422 – Acetylated Distarch Adipate is a dual-modified starch with superior heat and acid stability and excellent structural integrity, widely used in food, pharmaceutical, and cosmetic industries. In this article, Hùng Duy Starch will help you understand what E1422 is, its mechanism, characteristics, practical applications, and why this dual-modified starch has become a trusted choice for sauces, dairy, mayonnaise, baked goods, and frozen foods.
1. What is E1422?
E1422 (Acetylated Distarch Adipate) is a natural starch (from corn, potato, cassava, or wheat) that is dual-modified through two main steps:
- Cross-linking with adipic anhydride to enhance structural strength, making the starch heat- and shear-stable in various processing conditions.
- Acetylation with acetic anhydride to maintain softness and reduce syneresis.
This combination creates a multifunctional starch that remains stable during heating, freeze-thaw cycles, or in acidic environments while maintaining a smooth, stable, and low-degradation texture.
According to international classification systems, E1422 is the EU food additive designation for Acetylated Distarch Adipate. In the FAO/WHO Codex Alimentarius system, it is identified as INS 1422.
2. Chemical structure of E1422
Cross-linking links amylose and amylopectin chains via adipate ester bridges (Starch–O–CO–(CH₂)₄–CO–O–Starch), giving heat, shear, and acid stability. Simultaneously, acetylation replaces part of the –OH groups with –O–COCH₃ at positions C-2, C-3, and C-6, producing a soft, flexible starch paste and limiting crystallization.
These modifications give E1422 its characteristic structure – a polymer network with adipate bridges for strength and acetyl groups for flexibility, ensuring excellent stability in various processing conditions.
After chemical modification, E1422 may undergo additional acid, alkali, enzyme, or bleaching treatments according to GMP standards to optimize properties for specific applications, ensuring safety and product stability.
3. Key properties of E1422
- Heat-stable (boiling, pasteurization), acid- and shear-resistant (strong mixing, extrusion, homogenization).
- Controls swelling and reduces syneresis.
- Improves clarity, gloss, and product appearance.
- Lowers gelatinization temperature, saving cooking time and energy.
- Enhances thickening and gel stability.
- Maintains structure and moisture during freeze-thaw cycles, preventing deformation and water loss.
- Resistant to acid, sugar, and salt; compatible with other thickeners.
E1422 outperforms natural starch and single-modified starches. Compared to single-modified starches, E1422 is more heat-resistant, acid- and shear-stable than E1420; forms clearer, smoother paste than E1412; and better controls swelling and syneresis than E1404.
4. Industrial applications of E1422
- Sauces & Seasonings (chili paste, ketchup, soy sauce, sesame sauce, spicy sauces, concentrated juices, jams, jellies): maintain viscosity, stabilize structure, prevent separation.
- Dairy products (yogurt, cream, milk foam): smooth texture, improved structure, reduced whey separation, enhanced mouthfeel. Mayonnaise & oil–water emulsions: increase water-phase viscosity, stabilize emulsion, prevent oil separation, maintain texture.
- Baked goods (cupcakes, sponge cakes, cookies, mooncakes): improve crumb structure, moisture retention, maintain softness or crispness, prolong shelf life.
- Processed meats (sausages, meatballs, fish balls): enhance chewiness, retain size, reduce water loss during freezing, stabilize texture during heating.
- Hot beverages (coffee, tea, hot cereals, premixes): light thickening, consistent texture, smooth and uniform during use.
- Pasta & dry noodles (rice noodles, gluten-free noodles, spaghetti, macaroni): improve elasticity, maintain shape, reduce breakage, stable during cooking.
- Frozen foods (battered seafood, fish sticks, breaded shrimp/beef/fish): thicken coating, stabilize structure, prevent water separation, preserve quality after thawing.
- Pharmaceuticals: capsule shells, liquid formulations as thickener for viscosity and stability.
- Cosmetics: creams and gels for smooth texture, emulsion stability, and soft skin feel.
5. Difference between E1422 and E1442
Both E1422 and E1442 are dual-modified starches, but differ in chemical groups and intended applications:
| Criteria | E1422 (Acetylated Distarch Adipate) | E1442 (Hydroxypropyl Distarch Phosphate) |
| Chemical structure | Dual-modified starch with adipate cross-linking and acetylation. | Dual-modified starch with phosphate cross-linking and hydroxypropylation. |
| Degree of substitution | Lower, fewer acetyl groups. | Higher, more hydroxypropyl groups, better water retention and anti-syneresis. |
| Gelatinization temperature | Lower, thickens at lower temperature, suitable for dairy, baked goods, cold sauces. | Higher, requires high temperature, suitable for processed or canned foods. |
| Applications | Acidic or mild neutral, low-temperature foods: jams, yogurt, dairy, baked goods, salad dressings, cold sauces. | Neutral or alkaline, high-temperature foods: sauces, canned foods, frozen desserts, ready-to-eat meals. |
| Swelling | Swells in cold or hot water; smooth, transparent paste; freeze-thaw stable. | Similar, but higher substitution makes gel stronger and retains water better. |
In summary, E1422 combines cross-linking and acetylation for smooth, transparent paste, stable at low temperature and acidic conditions, while E1442 combines cross-linking and hydroxypropylation for mechanical strength, water retention, and high-temperature stability.
6. Reliable E1422 supplier
With over half a century in the starch industry, modern production technology, and cross-border raw material and logistics networks, Hùng Duy Starch is a trusted partner for food, pharmaceutical, cosmetic, and industrial enterprises worldwide.
Hùng Duy produces over 20 lines of modified starches (including E1422 – Acetylated Distarch Adipate), supporting customers in product optimization, quality standardization, and export market expansion.
Hùng Duy Starch core strengths:
- Strong international trade capability: Markets from Vietnam to the US, EU, Japan, Australia, with experience in high-standard exports, ensuring documentation, quality, and processes meet international standards.
- Logistics & 50,000-ton storage system: Year-round storage, operation, distribution; supports FOB/CFR/CIF/Door-to-door; expert understanding of each market to optimize risk and cost.
- Cross-border raw material sourcing: Owns cassava region in Tây Ninh and large-scale cooperation in Cambodia, ensuring stable, high-quality, sustainable raw materials.
- Advanced production & R&D: Over 55 years of reputation; first in Vietnam with modern modified starch factory; self-produces 20+ types of modified starches meeting multi-industry and international standards.
If your business seeks a high-quality modified starch partner like E1422 with stable supply and technical support, Hùng Duy Starch is ready to assist. Contact us for formula, application, and raw material solutions.
- Domestic hotline: (+84) 913 320 365
- Export hotline: (+84) 909 917 141
