GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE

CAS: 455885-22-0 EMULSIFIER OR EMULSIFIER SALT, STABILIZER OR THICKENER

GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE is a chemically modified form of gum arabic used for its emulsifying and stabilizing properties in food and flavor applications.

What It Is

GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE is a chemically modified polysaccharide derived from gum arabic (Acacia species) where octenyl succinic acid groups are attached to the native gum arabic backbone to enhance its functional properties as an emulsifier and stabilizer. This modified gum arabic product is typically a free-flowing off-white to light tan powder that dissolves readily in water. The modification introduces hydrophobic side chains that improve its ability to interact with both aqueous and lipid phases, making it useful in food systems requiring stable emulsions. The CAS registry number 455885-22-0 uniquely identifies this compound in chemical and regulatory databases. Its technical function encompasses acting as an emulsifier, an emulsifier salt, a stabilizer, and a thickener in food formulations, supporting a range of technological effects without contributing significant flavor on its own. While gum arabic in its native form is a natural hydrocolloid widely used in food, the hydrogen octenylbutane dioate modification broadens its practical utility for more demanding applications where enhanced surface activity is beneficial. GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE falls into the broader category of modified food gums, which have a long history of use in the food industry due to their versatility. The modification represents a targeted adjustment of the molecular structure of gum arabic to improve emulsification and stabilization, and it is conceptually similar to other modified hydrocolloids such as octenyl succinic acid modified starch. Despite its chemical modification, the base material is rooted in the same natural polysaccharide backbone sourced from acacia tree exudates. This ingredient thus represents a hybrid between a natural gum and a chemically engineered additive that meets specific formulation demands in processed foods.

How It Is Made

The production of GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE involves a chemical modification process in which native gum arabic is esterified with an octenyl succinic acid derivative under controlled conditions. In general terms, gum arabic—a complex polysaccharide obtained from the exudate of Acacia senegal or Acacia seyal—is dissolved in an aqueous medium. A reactive anhydride derivative of octenyl succinic acid is then added in measured quantities, typically below a few percent relative to the gum arabic, and the mixture is maintained at a specific pH and temperature profile to promote esterification without degrading the polymer backbone. After the reaction, the modified gum is typically neutralized, purified to remove residual reagents, and then spray dried to yield a free-flowing powder. This process introduces hydrophobic side chains onto the otherwise hydrophilic gum arabic structure, enhancing its ability to act at oil-water interfaces. Manufacturers of this ingredient must adhere to food-grade processing practices to ensure that the modified gum arabic meets regulatory and safety criteria for use in food applications. The production steps are designed to balance effective modification with retention of essential functional properties such as solubility and rheological behavior. While the exact proprietary conditions vary between suppliers, the general approach follows the well-documented methodology described in food additive technical assessments for octenyl succinic acid modified gum arabic. These procedures aim to achieve a consistent degree of modification and to minimize levels of residual reactants or impurities that could impact performance or safety in food systems. The final product is then milled and packaged under controlled conditions to maintain quality during storage and transport.

Why It Is Used In Food

GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE is incorporated into food formulations primarily to improve the stability and texture of emulsions and dispersions. In food systems where oil and water phases must remain mixed without phase separation, this ingredient serves as a surface-active agent that reduces interfacial tension and forms stable emulsions. Its utility extends to supporting the consistency of sauces, dressings, beverages, and other liquid or semi-solid foods where phase stability is critical. The hydrophobic side chains introduced by chemical modification allow the gum to anchor at oil-water interfaces more effectively than native gum arabic, leading to improved emulsion stability under a range of processing and storage conditions. In addition to emulsion stabilization, GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE can contribute to the mouthfeel and body of products. By interacting with water and other macromolecules in the formulation, it can influence viscosity and texture without imparting significant taste. This makes it especially useful in products where sensory neutrality is desired alongside functional efficacy. Its role as a thickening agent can enhance the perceived richness of beverages or sauces while maintaining clarity in solutions where turbidity is not desired. The ingredient’s multifunctionality can also reduce the need for multiple additives, enabling formulators to achieve balanced product profiles with fewer components. These technological attributes make it a valuable tool for food scientists aiming to optimize product stability and texture.

Adi Example Calculation

To illustrate the meaning of an ADI 'not specified,' imagine a hypothetical scenario where a technical assessment suggests a safe use level of a particular emulsifier at 10 grams per kilogram of food. If a person weighing 70 kilograms consumed 1 kilogram of food containing this additive at that level, their intake would be 10 grams. Under an ADI 'not specified' designation, health authorities regard such exposure as unlikely to pose a safety concern because the additive and its metabolic breakdown products are considered safe at typical use levels. This hypothetical scenario is illustrative and does not imply a recommended intake. Actual use levels in commercial products are typically much lower and regulated by food safety standards that reflect good manufacturing practices and product-specific criteria.

Safety And Health Research

Regulatory expert committees such as JECFA have reviewed available chemical and toxicological data for octenyl succinic acid modified gum arabic, the category of additive that includes GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE. The designation of an ADI "not specified" by JECFA indicates that intake at typical levels of use in food is considered to pose no appreciable health risk, based on current data. This classification arises when total daily intake from food is not expected to result in adverse effects and when the additive does not exhibit toxicologically significant properties at anticipated exposure levels. The committee’s evaluations have focused on dietary exposure, stability in food matrices, and the metabolic fate of the modified gum, particularly whether it hydrolyzes to known safe metabolites. While comprehensive peer-reviewed human clinical studies specific to this modified additive are limited in public regulatory databases, available technical assessments consider structural similarity to native gum arabic and its polysaccharide constituents, which have a long history of food use. Research into modified gum arabic and similar hydrocolloids often addresses functional performance rather than extensive toxicological profiling, reflecting a broader understanding that these high-molecular-weight polymers are poorly absorbed intact in the gastrointestinal tract. Expert reviews also consider potential impurities from manufacturing and ensure that specifications limit residual reactants. Overall, the safety assessment framework emphasizes that when used in compliance with good manufacturing practice and within defined food categories, the additive does not present safety concerns that would warrant stricter intake limitations.

Regulatory Status Worldwide

According to evaluations by international authorities, the modified form of gum arabic represented by GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE has been considered for use as a food additive and has associated specifications under the Joint FAO/WHO Expert Committee on Food Additives (JECFA). The JECFA database identifies octenyl succinic acid modified gum arabic, synonymous with this ingredient, under INS 423 in food additive classifications. JECFA has established an ADI "not specified" for this ingredient, indicating that, based on available data, there is no safety concern at the levels used in accordance with good manufacturing practice. This status reflects assessments through several committee evaluations where dietary exposure estimates and potential hydrolysis behavior were considered. The JECFA evaluations documented changes over multiple review meetings and confirm that the ADI 'not specified' remains applicable. These expert evaluations provide a basis for regulatory acceptance in countries that align with JECFA guidance. In addition to JECFA, the ingredient has been referenced in flavor industry catalogs with FEMA number 4227, signifying recognition in flavor and formulation contexts beyond strictly food additive inventories. National jurisdictions, such as those in the European Union, may list this ingredient under the E number system as E423, allowing its use in specified food categories within the EU regulatory framework. While detailed authorization conditions vary by region, these international references indicate recognized technical functions and permissible applications subject to local food law. In summary, GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE is evaluated and authorized in various regulatory systems for use as an emulsifier and stabilizer, with expert bodies providing specification criteria and safety designations that support its inclusion in food products when used appropriately.

Taste And Functional Properties

GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE is generally considered to have a neutral sensory profile, contributing minimal taste or aroma to food formulations. Its principal value arises from functional performance rather than flavor impact. When dissolved in water, it forms clear or slightly hazy solutions depending on concentration and the degree of modification, which aligns with its use in beverages and light sauces. Unlike some hydrocolloids that can impart sliminess or off-notes at high concentrations, the octenyl modification tends to maintain sensory neutrality while providing surface activity at interfaces where oil droplets are dispersed in water. From a functional perspective, this ingredient excels at forming and stabilizing oil-in-water emulsions due to the presence of both hydrophilic polysaccharide chains and hydrophobic octenyl side chains. These amphiphilic characteristics allow it to adsorb at oil droplet surfaces, creating a barrier that resists coalescence and phase separation during storage or thermal processing. Its solubility in cold water also facilitates ease of incorporation during formulation, minimizing the need for high-shear mixing or heat activation. Although not a thickener in the traditional sense like xanthan gum or guar gum, it can contribute to overall viscosity in complex formulations by interacting with other hydrocolloids and particulate components. These functional behaviors make it suitable for applications ranging from ready-to-drink beverages to confectionery coatings where emulsification and stability are key performance criteria.

Acceptable Daily Intake Explained

The concept of an acceptable daily intake (ADI) provides a benchmark for regulators and food technologists to gauge the safety of a food additive over a lifetime of consumption. For GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE, expert bodies such as the Joint FAO/WHO Expert Committee on Food Additives have established an ADI 'not specified.' This designation means that, based on available evidence and typical levels of use, there is no health concern at levels encountered in food, and a numerical limit was not deemed necessary. It does not imply that unlimited consumption is advised, but rather that routine dietary exposure under good manufacturing practices is regarded as safe. An ADI 'not specified' is often assigned when an ingredient’s chemical structure, metabolic behavior, and extensive historical use of related substances provide confidence that typical consumption presents negligible risk. In practical terms, this type of ADI conveys to food scientists, regulators, and manufacturers that the additive can be used within the parameters established by food laws and within categories where its technological functions are justified. The designation reflects both the intrinsic properties of the modified gum and the context of its use levels in food products. ADI values are conservative safety metrics that incorporate substantial margins to protect all segments of the population, including high consumers of processed foods containing stabilizers and emulsifiers.

Comparison With Similar Additives

When comparing GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE with other emulsifiers and stabilizers, it shares functional similarities with substances like native gum arabic (INS 414), modified starches such as octenyl succinic acid modified starch (INS 1450), and acetylated monoglycerides (INS 472a). Native gum arabic provides emulsification and mouthfeel but generally requires higher usage levels and may offer less stability in certain systems compared to the octenyl-modified form. Modified starches offer emulsification and thickening, particularly in carbohydrate-rich systems, but differ in molecular structure and solubility behavior. Compared with small-molecule emulsifiers such as lecithin or mono- and diglycerides, GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE contributes more to stabilizing complex dispersions over extended storage times, although it typically does not lower interfacial tension to the same extent as low-molecular-weight surfactants. Food formulators choose between these additives based on product characteristics, processing conditions, and desired sensory profiles, with each additive offering distinct advantages in target applications.

Common Food Applications Narrative

In modern food manufacturing, GUM ARABIC, HYDROGEN OCTENYLBUTANE DIOATE finds application across diverse product categories that benefit from stable emulsions or finely dispersed systems. For example, in beverage systems such as flavored waters, juice drinks, and other liquid refreshments, it helps maintain the uniform distribution of flavor oils and lipophilic ingredients, preventing the formation of oil rings or floatation during storage. Its stability under different pH conditions and compatibility with other common food ingredients make it a reliable choice for beverage formulators seeking clarity and stability without impacting taste. In dressings, sauces, and condiments, the ingredient can improve texture and prevent separation of oil and water phases, resulting in products that pour consistently and retain a uniform appearance. It also supports the formulation of dairy alternatives and low-fat emulsions where texture enhancement is desirable while maintaining a clean eating experience. Confectionery products like coated nuts or soft candies may utilize this additive to stabilize fillings or flavor dispersions, ensuring an even distribution of components that contributes to overall product quality. In bakery and confectionery, it may be used to help carry and distribute flavor oils evenly throughout batters or icings, enhancing the sensory consistency of finished goods. Additionally, in processed and convenience foods that combine fat and water components—such as ready-made soups, sauces, and grain-based products—this modified gum can contribute to cohesive texture and extended shelf life by minimizing ingredient separation. Its role in such applications reflects broader trends in food processing where multifunctional ingredients that provide stability, texture, and ease of use are highly valued. While usage levels are typically low relative to total formulation weight, the impact on product performance can be significant, supporting both quality and manufacturing efficiency.

Safety & Regulations

FDA

  • Notes: Specific FDA food additive status not verified from deep authoritative FDA CFR source.

EFSA

  • Notes: EFSA safety assessment existence noted but numeric ADI level not sourced in authoritative link.
  • E Number: E423

JECFA

  • Year: 2016
  • Notes: JECFA established ADI not specified based on evaluations.
  • Ins Number: 423
  • Adi Display: Not specified

Sources

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