ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER
ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER is a food‑grade additive used as a masticatory substance in chewing gum bases and related products, permitted under specified U.S. FDA regulations for direct and indirect food use.
What It Is
ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER is a chemically modified rosin derivative identified by the CAS number 977045-82-1. It belongs to a class of rosin esters that are modified by partial hydrogenation of the original gum or wood rosin and subsequent esterification with pentaerythritol to produce a substance with specific physical and functional properties for use in food systems. The term "masticatory substance" reflects its primary technological function in chewing gum bases and similar products where it contributes to the chewy matrix. This ingredient does not have a widely recognized E number in major additive inventories and is not typically used in conventional edible food ingredients lists outside of specialized applications like chewing gum bases. Its other names include the pentaerythritol ester of partially hydrogenated gum or wood rosin, which indicate the same chemical class and functional use within formulations. In regulatory contexts, it is referenced precisely by its long chemical name and CAS number to ensure accurate identification in legislative and safety documents. As a rosin derivative, this compound is structurally distinct from unmodified rosins due to the hydrogenation and pentaerythritol esterification steps, which alter its solubility, melting characteristics, and compatibility with other base ingredients used in masticatory and related applications.
How It Is Made
The production of ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER begins with gum or wood rosin as the foundational resinous material. Gum rosin is a complex mixture of organic acids obtained from the distillation of the crude resin tapped from pine trees or extracted from wood sources. Partial hydrogenation then reduces some of the unsaturated components of the rosin acids, which can improve stability and modify the physical properties of the resin for subsequent reactions. Following partial hydrogenation, the modified rosin is reacted with pentaerythritol in an esterification process. Pentaerythritol is a polyol that forms ester linkages with the carboxylic acid groups present in the modified rosin acids. This esterification yields a high molecular weight ester mixture with enhanced thermal and mechanical properties compared to the original rosin. The resulting pentaerythritol‑rosin ester exhibits characteristics desirable in chewing gum base formulations, such as elasticity and compatibility with other base components. The manufacturing process is controlled to ensure that the final product meets food additive specifications for purity, identity, and performance. While detailed proprietary formulations and processing conditions are specific to individual producers, the general approach remains consistent: chemical modification of rosin followed by esterification with pentaerythritol to achieve the target functional attributes.
Why It Is Used In Food
ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER is used in food primarily for its functional role in chewing gum base systems. Chewing gum base must provide a cohesive and elastic matrix that holds sweeteners, flavors, and other ingredients together while giving the product its characteristic chew. This rosin ester helps contribute to that matrix, improving body and chewiness without imparting significant taste or odor from the base itself. In addition to its structural role, such esterified rosins can aid in compatibility among disparate gum base components. Chewing gum bases typically contain elastomers, resins, waxes, and plasticizers; the rosin ester interacts with these to modify texture, resilience, and stability. Its inclusion helps manufacturers tailor the final product’s chewing properties, melt behavior, and processing performance. Given its specialized use, this ingredient is not applied as a general flavor, nutrient, or preservative in food but specifically in non‑nutritive chewing gum base systems where its physical contributions are essential. Its permitted use under certain regulatory sections reflects the technological necessity for such functional additives in select products.
Adi Example Calculation
Because ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER does not have a published numeric acceptable daily intake (ADI) established in publicly available regulatory summaries, a numerical example calculation is not included here. Normally, an ADI example would illustrate how a hypothetical intake relates to a regulatory ADI value, reinforcing how safety margins are applied. In this case, industry and regulatory practice focuses on ensuring that cumulative exposure from authorized uses remains within safety expectations established through regulatory review and permitted use conditions. (世界卫生组织应用程序
Safety And Health Research
Regulatory frameworks that include ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER in food use inherently reflect safety evaluations performed by expert panels and food safety authorities. In the U.S., the inclusion of this compound in food additive regulations signals that the U.S. Food and Drug Administration (FDA) has evaluated relevant data to support its safe use under specified conditions in chewing gum base and related applications. This evaluation process involves reviewing chemistry, manufacturing methods, specifications, and any available toxicological data to determine that the compound performs its intended technological function without posing an undue risk to public health under conditions of intended use. (联邦公报) Comprehensive toxicological research specifically focused on this rosin ester may be limited in the public domain, and definitive health effect studies for this compound as used in food are not broadly published in open regulatory summaries. When regulators assess food additives, they consider endpoints such as acute toxicity, potential for systemic toxicity, and any evidence of genotoxicity in relevant models. Because this compound functions as a base material rather than a bioactive ingredient, exposure levels from food contact applications are typically low, and safety evaluations prioritize structural analogue data and overall exposure assessment. In many jurisdictions, including the U.S., the regulatory process ensures that authorized additives like this rosin ester meet identity and purity standards and are used within appropriately defined categories, thereby maintaining safety margins deemed adequate by expert panels.
Regulatory Status Worldwide
In the United States, ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER is recognized in specific sections of Title 21 of the Code of Federal Regulations. Under 21 CFR 172.615, chewing gum base and related masticatory substances may include specified gum and wood rosin derivatives in accordance with regulatory definitions and permitted uses within the chewing gum base category. This regulatory citation confirms that such substances can be part of direct food additive formulations when used as intended. The ingredient is also referenced under indirect food additive sections 21 CFR 175.105 for adhesives and 21 CFR 175.300 for resinous and polymeric coatings, reflecting permitted uses in food contact materials and packaging components when they meet prescribed conditions and limitations. These listings reinforce the compound’s regulatory acceptance in its defined roles within food production and contact applications. Outside the United States, similar rosin esters are recognized within technical and regulatory inventories for gum base components, though specific listings and allowances vary by jurisdiction. International bodies such as the Joint FAO/WHO Expert Committee on Food Additives (JECFA) maintain comprehensive databases of evaluated food additives but do not publish detailed additive specifications or numerical acceptable daily intakes for this substance in their public summaries without direct lookup. Regulatory acceptance in other regions may depend on national food law and expert committee evaluations that consider both technological need and safety data. (世界卫生组织应用程序
Taste And Functional Properties
ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER itself is not used for flavor or taste enhancement; rather, it is selected for functional characteristics. In formulations like chewing gum bases, it contributes to the overall texture by adding elastic and cohesive properties that help maintain chewiness and structural integrity over time. Because the esterification process reduces the free acidic components of the original rosin, the compound tends to be more stable and less prone to discoloration or degradation compared to unmodified rosin. From a sensory perspective, this additive is generally neutral in taste and odor when used at the low concentrations typical in gum base matrices, so it does not significantly alter the sensory profile of the finished product. Functionally, it remains compatible with other gum base ingredients and additives, maintaining performance across a range of temperatures experienced during manufacturing and consumer use. Its physical properties, such as solubility and stability, are influenced by the degree of hydrogenation and esterification. These changes make the compound less reactive and more robust under processing conditions, and its performance contributes to product consistency and quality. Because it is not intended to impart flavor or nutritional value, its properties are judged primarily in the context of how they support the primary functional requirements of the product in which it is included.
Acceptable Daily Intake Explained
Acceptable daily intake (ADI) is a risk assessment concept used by food safety authorities to describe the amount of a substance that can be ingested daily over a lifetime without appreciable health risk. ADIs are normally established when a food additive undergoes a detailed toxicological evaluation and sufficient data are available to identify a no‑observed‑adverse‑effect level (NOAEL) or comparable safety threshold in studies following internationally accepted protocols. For ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER, there is no specific numeric ADI published in major regulatory summaries or databases that are publicly accessible without a targeted search; therefore, numerical ADI values are not provided here. Rather, regulatory inclusion in allowed uses represents expert judgment that the use conditions and exposure levels associated with chewing gum base and related applications do not raise safety concerns when formulated and used according to established food additive regulations. (世界卫生组织应用程序) General ADI explanation: When an ADI is established for a food additive, it is expressed as a milligram amount per kilogram body weight per day (mg/kg bw/day), and includes safety factors to account for uncertainties in the data. The ADI is not a recommended intake level for consumers but serves as a scientific benchmark for regulators and food developers to manage risk.
Comparison With Similar Additives
ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER can be compared with other resinous additives used in similar functional roles to illustrate differences in use and properties. For example, glycerol ester of wood rosin (E445) is another rosin derivative used as an emulsifier and stabilizer in beverages and chewing gum, where it helps suspend oil droplets and contributes to texture in specific products. The glycerol esters are more polar due to the glycerol moiety and are chosen for applications requiring emulsification, whereas pentaerythritol esters are often selected for their contributions to base elasticity and cohesion. Another comparison might involve unmodified gum rosin (E915), which is used in certain traditional applications but lacks the modified properties conferred by partial hydrogenation and esterification. The modified esters typically exhibit enhanced stability, lower color intensity, and better performance within the specialized environment of chewing gum bases compared to unmodified rosins. These distinctions underscore how chemical modification tailors additives to meet specific functional requirements in product formulations.
Common Food Applications Narrative
In the realm of food technology, ROSIN, GUM OR WOOD, PARTIALLY HYDROGENATED, PENTAERYTHRITOL ESTER finds its niche in specialized applications where physical function matters more than flavor, nutrition, or direct consumer perception. The most typical application for this compound is within chewing gum bases, where it acts as a masticatory substance that contributes to the desired chewing texture that consumers expect in finished products. Chewing gum bases are complex matrices composed of elastomers, resins, waxes, and plasticizers; this rosin ester helps harmonize those components to achieve a balanced chew and structural stability under varying conditions of storage and use. While chewing gum is the primary example, similar functional applications can occur in other formulations that require an elastic, stable base. In such products, the ingredient’s contribution to body, elasticity, and compatibility with other base materials is central. It does not serve as a flavoring agent or nutritional additive but instead supports the technological needs of product form and performance. Because of its targeted role, this ingredient is not found across a broad spectrum of conventional foods but is recognized in regulatory inventories and technical formulation guidelines that cover chewing gum base and related masticatory materials. When formulating or evaluating such products, food scientists consider this rosin ester among other base components to tailor texture, processing performance, and final product quality.
Safety & Regulations
FDA
- Notes: Inclusion in these regulations indicates permitted use under specified conditions, but a single approval flag is not defined explicitly in linked sources.
- Regulation: 21 CFR 172.615, 175.105, 175.300
EFSA
- Notes: No specific EFSA evaluation or E number found in authoritative sources.
JECFA
- Notes: No specific JECFA entry with numeric ADI readily found in the public database.
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