ACETOSTEARIN
ACETOSTEARIN is a chemical substance listed in the FDA Substances Added to Food inventory with CAS number 27177-85-1. Limited public regulatory details exist; it appears in inventories noting its use in food contexts. Availability of authoritative safety or allowable intake values through major regulators was not found in specific deep links.
What It Is
ACETOSTEARIN is an organic ester of stearic acid and a monoacetylated glycerol derivative identified by CAS number 27177-85-1. As a defined chemical entity, it belongs to a class of fatty acid esters where one of the glycerol hydroxyl groups is acetylated and one is esterified with an octadecanoic acid moiety. In chemical databases it may be described as a monoester of stearic acid with a monoacetate of glycerol. In food ingredient inventories such as the Substances Added to Food list maintained by the United States Food and Drug Administration (FDA), ACETOSTEARIN is included with a description of its potential technical effects on food products. However, inclusion in an inventory like this does not itself constitute approval for all uses in food products, nor does it necessarily imply that specific permitted use levels or conditions have been established by regulators. The chemical’s alternative names reflect slight variations in how different databases and sources may represent its structure. As an ingredient, its classification is often linked to emulsifying or solvent type functions due to its amphiphilic molecular features. Because authoritative references specific to ACETOSTEARIN’s detailed chemical classification in major additive regulatory frameworks were not available via deep linked documents, the description here is drawn from inventory listings and general chemical characterization practices.
How It Is Made
The manufacturing of ACETOSTEARIN involves standard esterification and acetylation processes used broad in industrial organic chemistry. Typically, glycerol or a partially protected glycerol derivative is reacted with stearic acid or a stearoyl derivative in the presence of catalysts to form a monoester. Following this, selective acetylation of one of the remaining free hydroxyl groups on the glycerol backbone can be achieved with acetic anhydride or acetyl chloride under controlled conditions to yield the monoacetate ester. These processes are analogous to the production of other monoacylglycerols and acetylated glycerides, steps frequently employed in the synthesis of functional lipid additives. Technical production aims to provide a product of consistent purity and composition suitable for its intended applications, with purification typically involving filtration or distillation to remove unreacted reagents and byproducts. Specifications and material quality criteria are generally established by manufacturers or standards organizations when available, although a public regulatory specification document for ACETOSTEARIN itself could not be identified from deep linked authoritative sources. Consequently, general industrial practices for similar monoacylglycerol derivatives apply: control of reaction conditions to limit over-acetylation or multiple ester formation, use of food-grade catalysts when intended for food applications, and downstream refinement. Because detailed public manufacturing monographs were not available via authoritative regulator deep links for ACETOSTEARIN, the above represents a typical high-level description of synthetic approaches used for related esters in food ingredient industries.
Why It Is Used In Food
ACETOSTEARIN, like other monoacylglycerol derivatives, may be considered for use in food formulation because of its functional properties associated with amphiphilic molecules. Chemicals with both a hydrophilic acetate group and a hydrophobic stearic acid chain can reduce interfacial tension between water and oil phases, a characteristic useful in emulsification. In food science, emulsifiers are widely used to help distribute and stabilize mixtures of lipids with aqueous components, improving texture, mouthfeel, and consistency in complex formulations. Ingredients with structural similarity to monoacylglycerols often serve to improve the blending of disparate food ingredients and contribute to the stability of emulsions during processing and storage. Although specific permitted food uses and conditions for ACETOSTEARIN individually could not be found in distinct regulatory deep links, its inclusion in ingredient inventories suggests it may be considered in contexts where emulsification, moisture control, or solvent-related technical effects are desired. In many processed foods such as baked goods, dairy analogs, sauces, and confections, emulsifiers help create uniform textures, inhibit separation of components, and support product quality over shelf life. The scientific rationale for using an ester like ACETOSTEARIN in food aligns with these general roles. From a practical standpoint, food technologists may select a compound of this type for its expected amphiphilic behavior, notably when formulating lipid-rich systems or products requiring dispersion of fat droplets. Without explicit regulator-specified allowable use levels from major agencies in the available deep links, food formulators rely on standard practices, supplier specifications, and local regulations to guide safe and effective application of such substances in food products.
Adi Example Calculation
The following illustrative explanation shows how an ADI calculation works in regulatory contexts when such a value is available for a substance. For example, if a food additive were assigned an ADI of X mg per kg body weight per day, a person weighing 70 kilograms could theoretically consume up to 70 times X milligrams of that additive daily over a lifetime without expected health concerns based on available data. Because specific numeric ADI values for ACETOSTEARIN were not found in the deep linked authoritative sources, no numeric example can be precisely calculated here. The illustration above is generic and not specific to this ingredient, intended only to explain how regulators apply ADIs once established.
Safety And Health Research
Safety evaluation of food additives typically involves assessment of toxicology studies, exposure estimates, metabolism, and other health-related endpoints by regulators. For many established emulsifiers and similar lipid derivatives, regulators examine data on acute and chronic toxicity, genotoxicity, reproductive outcomes, and breakdown products to ensure that their use at intended levels does not pose undue risk. In the case of ACETOSTEARIN, specific peer-reviewed safety studies or regulator assessments available via deep linked official sources were not identified. The FDA’s Substances Added to Food inventory lists ACETOSTEARIN but does not itself provide detailed toxicological evaluations, and no formal food additive regulation citation with conditions of use was found in the available deep links. Similarly, major safety databases such as JECFA’s specification listings allow searches by CAS number, but no explicit monograph with toxicology endpoints or acceptable intake values for ACETOSTEARIN was present. In the absence of direct safety study links, a cautious description focuses on the general frameworks by which regulators assess such ingredients. These frameworks consider how a compound is metabolized in the body, whether it or its breakdown products accumulate, evidence of any toxic effects in laboratory animals, and whether exposure from intended food uses is within safe margins. Regulatory panels often apply conservative uncertainty factors to derive acceptable intake levels when sufficient data exist. Without direct authoritative toxicology data for ACETOSTEARIN accessible through deep linked sources, specific health research outcomes cannot be stated. Instead, it should be understood that substances structurally related to monoacylglycerols are often evaluated on a case-by-case basis by food safety authorities, and use in food systems is guided by available safety evidence, adherence to purity criteria, and compliance with local regulations that may vary by region. Professionals responsible for food safety compliance consult detailed regulator databases and scientific literature when precise safety information is required.
Regulatory Status Worldwide
ACETOSTEARIN appears in the United States Food and Drug Administration’s Substances Added to Food inventory, which lists ingredients that have been submitted or referenced for potential use in food contexts. This listing identifies ACETOSTEARIN by its CAS number 27177-85-1 and associated names, and it notes technical effects attributed to the compound. However, inclusion in the inventory does not by itself confirm that specific official approval, use conditions, or maximum use levels have been established under formal food additive regulations such as those in Title 21 of the Code of Federal Regulations. The FDA inventory is a reference tool that includes information for substances that may be used in foods, color additives, and other categories, but it explicitly notes that presence in the inventory from non-FDA entities does not indicate definitive FDA approval for use without conditions. Agencies such as the European Food Safety Authority (EFSA) evaluate food additive applications and publish scientific opinions, but a directed deep link for an EFSA safety assessment or authorised use list for ACETOSTEARIN was not available. Likewise, searches of the Joint FAO/WHO Expert Committee on Food Additives (JECFA) specifications database reveal mechanisms for identifying additives by CAS number, but a specific monograph or evaluation document for ACETOSTEARIN with safety data or acceptable daily intake was not found in the available deep links. Consequently, from a global perspective, the regulatory status of ACETOSTEARIN is best described as present in reference inventories and subject to local regulatory review and compliance. Foods containing emulsifiers and similar agents are generally regulated substances in jurisdictions worldwide, with specific lists of permitted additives and use conditions established by national or regional authorities. Because explicit authorization text or numeric allowable levels for acetostearin were not present in the deep linked authoritative sources, specific regulation citations or permitted conditions are not included here.
Taste And Functional Properties
ACETOSTEARIN’s sensory properties are not broadly documented in the public regulatory deep links available, but chemical analogs such as monoacylglycerols typically present minimal taste or odor at use concentrations. Monoacylglycerol derivatives often have low volatility and, in purified form, may be described as bland or neutral in organoleptic terms, making them suitable for incorporation into a wide range of foods without imparting strong flavors. Functional properties of amphiphilic esters like ACETOSTEARIN hinge on their ability to interact with both lipids and aqueous phases. These molecules tend to orient at interfaces between water and oil, facilitating the formation and stabilization of emulsions. In culinary systems, this can help maintain the desired dispersion of fats, reduce phase separation during processing and storage, and modify texture. In addition, functional properties such as solubility behavior, melting characteristics, and thermal stability influence how such an additive performs during typical food manufacturing steps like heating, cooling, shearing, and homogenization. For example, an ingredient with a long hydrophobic stearic acid chain might exhibit limited solubility in water but strong affinity for lipid phases, enabling it to support the formation of stable microstructures within emulsions. Heat and pH stability are also critical: compounds used in baked goods, sauces, and confections must withstand the range of processing conditions encountered in those applications without degrading or losing functionality. While specific data for ACETOSTEARIN were not available in the authoritative deep links accessed, analogous compounds demonstrate that such functional performance properties are central to their utility in food systems. This functional behavior is why chemicals of this class are often selected to improve mouthfeel, texture, and product consistency, even when they do not directly contribute flavor.
Acceptable Daily Intake Explained
An Acceptable Daily Intake (ADI) is a regulatory concept that represents an estimate of the amount of a food additive that can be ingested daily over a lifetime without appreciable health risk, based on available toxicological data and safety assessments. ADIs are established by expert committees such as the Joint FAO/WHO Expert Committee on Food Additives (JECFA) or regional authorities like the European Food Safety Authority (EFSA) when sufficient toxicological data allow quantitative risk assessment. For ACETOSTEARIN, no specific ADI values were identified in the available deep linked authoritative sources. Because an ADI requires comprehensive toxicity data and official evaluation by regulatory panels, without a direct JECFA or EFSA monograph establishing such a value, we cannot provide an ACETOSTEARIN-specific ADI number. When an ADI is established for a substance generally recognized as safe, it is expressed in milligrams of the substance per kilogram of body weight per day, with regulatory documents providing both the ADI figure and the scientific basis for its derivation. In the absence of an explicit ADI from deep linked regulations or evaluations, it is important to note that the concept itself remains a cornerstone of food additive safety frameworks: it reflects how regulators use available data to set conservative exposure limits aimed at protecting public health. Without a published ADI for ACETOSTEARIN via authoritative regulator deep links, the field is open for future assessment should new data and regulatory evaluations become available.
Comparison With Similar Additives
ACETOSTEARIN is structurally related to monoacylglycerols such as glycerol monostearate and other acetylated lipids. In food applications, compounds like glycerol monostearate (often recognized by codes like E471) are widely used as emulsifiers to stabilize mixtures of oil and water, improve texture, and support consistent product quality. Those additives have well-documented functional properties and, in many regions, established regulatory status and safety evaluations. Compared with glycerol monostearate, ACETOSTEARIN contains an additional acetyl group, which may alter polarity and interfacial behavior slightly, but the core amphiphilic characteristic remains. Other similar additives include diacetyl tartaric esters of monoglycerides, which combine fatty acid esters with organic acid residues to enhance emulsification in bakery products, and polyglycerol esters, which offer a range of hydrophilic-lipophilic balance values useful for different food systems. While glycerol monostearate and related agents are included in many official additive lists with specified functions and use levels backed by safety assessments, ACETOSTEARIN’s specific regulatory documentation via deep linked sources was not found, leaving its status comparatively less documented. Nonetheless, functional parallels exist: these additives help disperse fats, stabilize emulsions, and contribute to desired textures. The comparison highlights that while mainstream additives like glycerol monostearate have detailed regulatory and safety profiles, newer or less widely evaluated compounds such as ACETOSTEARIN may be described in inventories without comprehensive public evaluation documents available via authoritative deep links.
Common Food Applications Narrative
In many modern processed foods, ingredients that help mix fats with water-based components play an essential role. Emulsifiers and related amphiphilic molecules are widely used across product categories to ensure consistent texture and quality. ACETOSTEARIN, being structurally related to monoacylglycerol derivatives, aligns with these applications. Food producers often leverage such ingredients in a variety of situations where stable emulsions are critical. For example, in bakery products, emulsifiers aid in creating uniform doughs and batters, enhancing volume and crumb structure when fats are distributed evenly. In dairy analogs and plant-based spreads, similar compounds help suspend oil droplets in water-rich matrices, contributing to texture that consumers perceive as smooth and cohesive. Sauces and dressings, which often contain significant proportions of oil and water, depend on effective emulsifiers to remain homogeneous and appealing over shelf life. Confectionery products may also incorporate amphiphilic esters to control fat bloom and maintain desirable mouthfeel. Across these food categories, the general role of an additive like ACETOSTEARIN would be to support product quality by reducing the tendency of components to separate and by helping achieve the targeted sensory attributes. Although specific regulatory use conditions for ACETOSTEARIN were not identified via authoritative deep links, its appearance in ingredient inventories indicates that food formulators consider it among a broader class of technical effect agents. The use of such ingredients is guided by regulatory frameworks that define permissible substances and require that they meet established safety and purity criteria. In practical terms, food technologists balance functional performance with compliance to local food additive regulations, ensuring that emulsification and stabilization needs are met without compromising safety or regulatory adherence in finished products.
Safety & Regulations
FDA
- Notes: Inclusion in FDA Substances Added to Food inventory does not confirm specific approved food additive status or specified conditions of use per regulatory citation from a deep linked source. ACETOSTEARIN appears with technical effect listing but no formal CFR section was found in available deep links.
EFSA
- Notes: No EFSA authorized use or numerical ADI could be confirmed via deep linked EFSA assessments.
JECFA
- Notes: No JECFA monograph or numeric ADI was found in the linked JECFA database; therefore values are unknown.
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