AMYL 2-FUROATE

CAS: 4996-48-9 FLAVORING AGENT OR ADJUVANT

AMYL 2-FUROATE is a food flavoring agent and adjuvant belonging to the class of ester compounds often used to impart anise and caramellic sensory notes in food products.

What It Is

AMYL 2-FUROATE is an organic ester compound recognized for its application as a flavoring agent or adjuvant in food formulation. It is a member of the carboxylic ester family, derived structurally from 2-furoic acid and a pentyl alcohol moiety. The compound carries the Chemical Abstracts Service Registry Number 4996-48-9, which uniquely identifies it in chemical and regulatory databases. This ester is sometimes referred to by a variety of other names, such as pentyl 2-furoate, amyl furan-2-carboxylate, and related synonyms that reflect its chemical structure. In the context of food science and additive regulation, AMYL 2-FUROATE is classified as a flavoring agent or adjuvant, meaning its primary purpose is to contribute to the sensory profile of foods rather than to provide nutritional value. At the molecular level, AMYL 2-FUROATE has the empirical formula C10H14O3 and is a clear, colorless liquid under standard conditions. Its odor and taste characteristics are described in sensory catalogs and supplier profiles as having caramellic and winey notes with hints of anise or fennel-like qualities. These organoleptic properties make it suitable for use in flavor formulations aimed at enhancing sweet, fruity, or complex flavor experiences in a range of food categories. Chemically, esters of this type form through the reaction of a carboxylic acid with an alcohol, resulting in a compound with volatile characteristics that contribute to aroma and taste when volatilized during consumption. In regulatory and safety contexts, this compound has been evaluated by international expert bodies responsible for food additive safety, including the Joint FAO/WHO Expert Committee on Food Additives (JECFA). These evaluations focus on the safety of intake at levels consistent with its intended use as a flavoring component in food. It is important to distinguish that while AMYL 2-FUROATE serves a sensory function in foods, its inclusion in products is subject to regulatory frameworks that guide acceptable uses, labeling, and quality practices to ensure consumer safety.

How It Is Made

The production of AMYL 2-FUROATE at a commercial level involves organic synthesis typical of ester formation. In general terms, esters like AMYL 2-FUROATE are made by reacting a carboxylic acid with an alcohol in the presence of an acid catalyst under controlled conditions to promote esterification. For AMYL 2-FUROATE, the acid component is 2-furoic acid, and the alcohol component is pentyl alcohol. When these reactants combine under appropriate temperature and catalytic conditions, water is eliminated, and the ester bond is formed, yielding the target ester compound. In industrial settings, manufacturers follow standardized practices to ensure consistent product quality, purity, and safety. The process typically includes steps such as raw material purification, controlled reaction conditions to drive esterification, removal of by-products, and final purification steps like distillation or crystallization to achieve the desired purity. Manufacturers also conduct analytical testing to confirm identity, purity, and compliance with any applicable specifications or regulatory requirements. These quality controls are vital because flavoring agents are used at relatively low concentrations in foods, yet must not introduce unwanted impurities or off-flavors that could affect product quality or safety. Commercial suppliers of AMYL 2-FUROATE often provide documented specifications for their products, including assay values, physical properties such as boiling point and solubility, and handling recommendations. The compound’s moderate volatility and characteristic sensory profile make it suitable for inclusion in complex flavor blends. However, its production and distribution are governed by regulatory and safety frameworks that require manufacturers to adhere to principles of good manufacturing practices and to ensure that the finished product is fit for use in food applications. The specific chemical processes and catalyst systems may vary by producer, but the overarching methodology is anchored in well-established organic chemistry techniques for ester synthesis.

Why It Is Used In Food

AMYL 2-FUROATE is used in food primarily for its role as a flavoring agent, contributing specific sensory characteristics that enhance the overall flavor profile of products. Flavoring agents are added to foods to provide, enhance, or modify taste and aroma characteristics in a way that supports consumer preferences and product identity. In the case of AMYL 2-FUROATE, its sensory profile includes notes that are described by sensory catalogs and technical references as caramellic, winey, or reminiscent of anise or fennel. These attributes can play an important role in creating complex and appealing flavor experiences in food formulations. The use of flavoring agents like AMYL 2-FUROATE in food is grounded in the concept that taste and aroma are key drivers of consumer acceptance. Foods without desirable flavors may be less appealing, which is particularly important in competitive categories such as confectionery, beverages, baked goods, and dairy products. Flavoring agents may be used alone or in combination with other flavor compounds to achieve a targeted sensory profile. AMYL 2-FUROATE’s unique combination of notes allows it to be blended into flavor systems where subtle enhancements or specific nuances are desired. In addition to improving sensory appeal, flavoring agents can help mask off-notes that may arise from other ingredients or processing steps. This functional aspect of flavor chemistry supports the creation of consistent taste experiences across batches and product lines. The inclusion of AMYL 2-FUROATE in formulations must adhere to regulatory and safety guidelines, ensuring that it is used within recommended practices and levels that are considered safe for consumption. The compound’s approval or inclusion in flavor inventories like the United States Food and Drug Administration’s Substances Added to Food inventory reflects its recognized role within the regulatory frameworks that oversee food additive usage.

Adi Example Calculation

To illustrate how an acceptable daily intake (ADI) might be applied in a hypothetical context, consider a person weighing 70 kilograms. Using the upper bound of the group ADI established for AMYL 2-FUROATE and related compounds, which is 0.5 milligrams per kilogram of body weight per day, one can calculate an illustrative reference value. Multiplying the body weight by the ADI provides a daily intake figure that is considered safe. In this example, 70 kilograms multiplied by 0.5 milligrams per kilogram yields 35 milligrams per day. This means that, in theory, exposure to AMYL 2-FUROATE up to 35 milligrams per day would fall within the range considered safe based on available toxicological evidence and safety factors used by expert committees. It is important to emphasize that this calculation is illustrative only and does not imply that a person should aim to consume this amount. In practice, actual exposure through food flavoring use is typically much lower, as flavoring agents are used at low concentrations to achieve sensory effects rather than to provide nutritional contribution. Such calculations help regulatory scientists and risk assessors estimate exposure relative to safety benchmarks. They provide a context for comparing estimated dietary intake with established ADIs, thereby supporting decisions about allowable uses, labeling, and other regulatory controls. The illustrative example underscores how body weight and ADI values are integrated to inform safety assessments.

Safety And Health Research

Safety evaluations of food additives like AMYL 2-FUROATE focus on toxicological data, metabolic pathways, and estimated human exposure through diet. Expert committees such as the Joint FAO/WHO Expert Committee on Food Additives conduct comprehensive reviews of available scientific literature, including data on absorption, distribution, metabolism, and excretion of the compound and related substances. They also examine toxicological endpoints such as acute toxicity, genotoxicity, and chronic exposure outcomes to determine whether there is any evidence of harm at levels relevant to dietary exposure. In the case of AMYL 2-FUROATE, JECFA’s evaluation placed it within a group of structurally related furfural-derived flavoring substances that share similar metabolic and toxicological characteristics. The committee concluded that there was no safety concern for these substances at levels of intake consistent with their use as flavoring agents. This conclusion is reflected in the establishment of a group acceptable daily intake, which provides a scientific benchmark used by regulators and industry to guide safe use. It is important to emphasize that such evaluations consider the compound’s use in food contexts rather than high-dose exposure scenarios that are not representative of typical consumption patterns. Academic and regulatory research also examines potential effects on specific organ systems and whether there is any evidence of carcinogenicity, reproductive toxicity, or other adverse outcomes at relevant exposure levels. These assessments help inform regulatory decisions and ensure that compounds permitted for use in food are supported by a rigorous scientific evidence base. The absence of adverse findings at typical intake levels does not imply that a compound is intrinsically risk-free at all exposures, but rather that, when used appropriately as a flavoring agent, it does not present a safety concern for the general population.

Regulatory Status Worldwide

The regulatory status of AMYL 2-FUROATE reflects the frameworks that govern the safe use of flavoring agents in foods across different regions. In the United States, the Food and Drug Administration maintains inventories that list substances used as flavoring agents or adjuvants in food products. AMYL 2-FUROATE appears in the Substances Added to Food inventory, which incorporates information from expert bodies such as the Flavor and Extract Manufacturers Association (FEMA) and the Joint FAO/WHO Expert Committee on Food Additives (JECFA). Inclusion in this inventory indicates that the compound has been evaluated for its intended use as a flavoring agent, but it does not by itself constitute an explicit affirmative regulation in the Code of Federal Regulations. In this context, its use is generally guided by principles of good manufacturing practice rather than a specific numeric permission in CFR sections. Internationally, AMYL 2-FUROATE has been evaluated by JECFA, a scientific committee that provides independent advice to member countries on the safety of food additives. At its fifty-fifth meeting, JECFA established a group acceptable daily intake (ADI) for a suite of related furan-derived flavoring substances, including AMYL 2-FUROATE, indicating that there is no safety concern at intake levels consistent with its intended use as a flavoring agent. This group ADI provides a scientific basis that many countries reference when setting or harmonizing their own regulatory policies regarding flavoring agents. Regulatory approaches in other regions, such as the European Union, often consider JECFA evaluations alongside regional safety assessments when determining allowable use and labeling requirements for flavoring agents. In the EU, flavoring substances are subject to specific regulations and approved lists maintained by regulatory authorities, though the exact status of AMYL 2-FUROATE within those lists may vary. Across jurisdictions, the general trend is to permit the use of flavoring agents that have been evaluated by recognized scientific bodies and to require that they be used in accordance with good manufacturing practice, ensuring safety and consistency in food products consumed by the public.

Taste And Functional Properties

AMYL 2-FUROATE exhibits distinctive sensory properties that make it valuable in flavor design. Organoleptically, it is characterized by notes that are often described in fragrance and flavor industry references as caramellic, winey, and with nuances reminiscent of anise or fennel. These sensory descriptors relate directly to how the compound engages the human olfactory and gustatory systems. In practical terms, this means that when AMYL 2-FUROATE is incorporated into a food matrix, it can contribute to a layered taste profile that enhances sweetness impressions, adds depth to fruity notes, or complements other aromatic esters and flavor compounds. From a functional standpoint, esters like AMYL 2-FUROATE are valued for their volatility, which allows them to contribute to both aroma and flavor perception during consumption. Volatility is a property that influences how rapidly a compound moves from the food matrix into the air above the food, where it can be detected by olfactory receptors. The balance between volatility and persistence helps determine how a flavor is perceived over time. AMYL 2-FUROATE’s physical properties, including solubility characteristics and its behavior in complex mixtures, influence how formulators use it in conjunction with other flavoring agents. Additionally, the stability of AMYL 2-FUROATE under typical food processing conditions is an important consideration. Esters may be sensitive to heat, pH changes, and interactions with other ingredients. Understanding how this compound behaves during processes such as baking, pasteurization, or extrusion allows food scientists to predict and control flavor outcomes. For example, in products that undergo high-temperature processes, the selection of flavoring agents with appropriate stability profiles is essential to maintaining intended sensory characteristics. The functional properties of AMYL 2-FUROATE thus encompass not only its flavor contributions but also its performance in diverse food systems.

Acceptable Daily Intake Explained

The concept of an acceptable daily intake (ADI) is a cornerstone of regulatory toxicology and food additive safety assessment. An ADI represents the amount of a substance that can be consumed every day over a lifetime without appreciable health risk, expressed per unit of body weight. It is typically derived from toxicological studies in animals and, where available, human data. Safety factors, often orders of magnitude below observed no-effect levels, are applied to account for uncertainties in data and variability among individuals. For AMYL 2-FUROATE, a group ADI was established by the Joint FAO/WHO Expert Committee on Food Additives for a suite of related furfural-derived flavoring substances. The ADI is expressed as a range from zero to 0.5 milligrams per kilogram of body weight per day, based on available toxicological and exposure data. This range reflects the committee’s confidence that exposure at typical dietary levels does not pose a health concern. The upper bound of the range serves as a reference point for exposure assessment and regulatory consideration. It is important to clarify that an ADI is not a recommendation for consumption but rather a scientifically derived threshold that helps ensure public safety. Typical dietary exposure to flavoring agents like AMYL 2-FUROATE is usually well below the ADI because these compounds are used at low levels to achieve specific sensory effects. Regulatory authorities consider ADIs when evaluating food additive safety and when setting allowable uses and labeling requirements. Understanding the ADI helps consumers and industry alike contextualize the safety framework that underpins food additive regulation.

Comparison With Similar Additives

AMYL 2-FUROATE belongs to a class of ester-based flavoring agents that share certain structural and sensory properties. Esters in general are widely used in the food industry because they can contribute fruity, floral, or sweet notes to flavor profiles. For example, compounds such as ethyl acetate, isoamyl acetate, and methyl butyrate are common flavoring agents that provide distinct sensory attributes. Ethyl acetate is known for its fruity, pear-like aroma, isoamyl acetate delivers banana-like notes, and methyl butyrate adds sweet fruit nuances. Each of these esters interacts with the sensory receptors in unique ways, allowing flavorists to craft specific sensory experiences in food products. Compared with these simpler esters, AMYL 2-FUROATE offers a more complex flavor note due to the presence of the furan ring in its structure, which contributes caramellic and winey aromas in addition to subtle sweet nuances. This complexity allows it to be used in flavor systems where a single-note ester would be insufficient to achieve the desired sensory effect. Another related compound is propyl 2-furoate, which shares the furan-derived structural motif and contributes similar aromatic characteristics. The differences among these compounds highlight how variations in carbon chain length and functional groups influence volatility, aroma strength, and persistence in food matrices. Understanding the functional similarities and distinctions among flavoring esters helps food scientists select appropriate compounds for specific applications. While many esters contribute sweetness or fruitiness, those with additional structural features, like a furan ring, can add layers of complexity. This comparative perspective underscores the role that chemical structure plays in determining sensory outcomes and supports the thoughtful use of these compounds in food formulation.

Common Food Applications Narrative

In the world of food formulation, flavoring agents like AMYL 2-FUROATE are integrated into a broad range of products to help achieve distinctive sensory profiles that appeal to consumers. While the precise use levels are determined by flavorists and food scientists, and tailored to specific product goals, the general categories of foods where this compound can be found illustrate its role in enhancing taste and aroma. In confectionery applications, for example, AMYL 2-FUROATE may be included to provide warm, sweet notes that complement sugar and other fruity esters. Its flavor profile can support the creation of complex candies and sweets, contributing to balanced and memorable taste experiences. Beverages represent another category where flavoring esters are frequently used. Non-alcoholic beverages, flavored waters, and soft drinks often rely on a combination of volatile flavor compounds to deliver refreshing and appealing aromatics. The nuanced sensory characteristics of AMYL 2-FUROATE can help round out flavor systems, blending with natural and artificial flavors to achieve a cohesive profile. In baked goods, flavor agents are selected to withstand processing conditions while delivering desirable sensory notes in finished products such as cookies, cakes, and pastries. Here, the compound’s stability and contribution to overall flavor complexity are key considerations. Dairy-based products like ice cream and flavored yogurt also benefit from the addition of carefully selected flavoring agents. In these contexts, the interaction of flavor compounds with fats and proteins influences how flavors are perceived; compounds such as AMYL 2-FUROATE may play a role in reinforcing subtle aroma components. Beyond these categories, flavoring agents are used in sauces, dressings, breakfast cereals, and snack foods to enhance or modify taste profiles. Across applications, the use of AMYL 2-FUROATE and similar esters aligns with good manufacturing practices, ensuring that each product delivers consistent, safe, and appealing sensory qualities.

Safety & Regulations

FDA

  • Notes: Inclusion in the FDA Substances Added to Food inventory indicates evaluation as a flavoring agent but does not constitute an explicit affirmative FDA approval in CFR sections.

EFSA

  • Notes: No specific EFSA numeric ADI value could be confidently verified from authoritative sources.

JECFA

  • Year: 2000
  • Adi Display: 0-0.5 mg/kg bw
  • Adi Mg Per Kg: 0.5

Sources

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