CYCLOHEXANEACETIC ACID

CAS: 5292-21-7 FLAVORING AGENT OR ADJUVANT

CYCLOHEXANEACETIC ACID is a synthetic flavoring agent used in food products as a flavoring substance or adjuvant with a floral profile and occasional use in imitation butter and fruit flavors.

What It Is

CYCLOHEXANEACETIC ACID is an organic compound primarily used as a flavoring agent or adjuvant in the food industry. It belongs to a class of synthetic carboxylic acids with a cyclohexane ring structure and a carboxymethyl substituent that contribute to its role in flavor formulations. The compound is identified by the Chemical Abstracts Service number 5292-21-7 and is known by several other names including Cyclohexylacetic Acid and Hexahydrophenylacetic Acid. It functions as a flavoring agent by imparting specific sensory characteristics when added to food products under controlled conditions and is listed in regulatory frameworks for permitted use in food flavorings. Its structural properties and sensory attributes have been documented in chemical databases and supplier monographs, indicating that it is occasionally applied in certain flavor compositions. CYCLOHEXANEACETIC ACID is distinct within the broader family of flavoring agents due to its cycloaliphatic backbone and its utility in complex flavor blends that seek particular aromatic notes.

How It Is Made

The synthesis of CYCLOHEXANEACETIC ACID typically involves chemical processes that transform precursor substances into the target flavor compound. One common approach documented in chemical industry references involves the hydrogenation of phenylacetic acid derivatives to yield the cyclohexane-based carboxylic acid structure. Hydrogenation reactions employ catalysts under controlled temperature and pressure to facilitate the saturation of aromatic rings, producing the cyclohexyl group that defines this compound's backbone. Alternative synthetic pathways may include functional group transformations from cyclohexane derivatives through carboxylation or ester hydrolysis steps, which are standard in industrial organic synthesis of flavor precursors. During manufacturing, quality control measures ensure that the final product meets appropriate purity specifications for use as a flavoring ingredient, typically above 98% for food-grade formulations. Because manufacturing methods involve reactive intermediates and catalysts, proper controls and analytical verification via chromatography and spectroscopy ensure consistent quality. The compound is typically isolated, purified, and characterized before distribution to flavor houses or formulation laboratories, where it is blended with other flavor ingredients according to technical specifications.

Why It Is Used In Food

CYCLOHEXANEACETIC ACID is used in food primarily for its role as a flavoring agent or adjuvant, meaning it contributes desirable sensory qualities to flavor formulations. Food formulators include this compound in specific flavor applications because it can provide nuanced aromatic contributions that enhance or complement other flavor components. Its use often arises in complex blends where balanced floral or subtle fruity notes are desired, especially in imitation butter or fruit flavor systems. By incorporating CYCLOHEXANEACETIC ACID into flavor mixtures, manufacturers can achieve targeted flavor profiles that appeal to consumer preferences and meet formulation goals. The compound’s functional role is not nutritional but sensory: it helps create or modify the perceived aroma and taste of food products when used within regulated limits and good manufacturing practices. Flavoring agents like this are chosen for their ability to produce consistent sensory outcomes at low concentrations and their compatibility with other flavoring substances. Its designation as a flavoring agent or adjuvant indicates that it is recognized within industry and regulatory frameworks as suitable for direct addition to food under defined conditions.

Adi Example Calculation

To illustrate the concept of acceptable daily intake without assigning a specific numeric value for CYCLOHEXANEACETIC ACID, consider a hypothetical scenario in which a food additive has an ADI of X mg per kilogram of body weight per day. For a person weighing 70 kilograms, the total daily exposure that would be considered acceptable under this hypothetical ADI would be 70 times X mg per day. This simplified calculation demonstrates how body weight factors into safety thresholds, showing that exposure estimates and regulatory guidance are tailored to body size. Although CYCLOHEXANEACETIC ACID does not have a formal numeric ADI published by regulatory bodies, analogous calculations for compounds with established ADIs illustrate how regulators benchmark safe exposure. By comparing estimated intake from typical food use with established safety benchmarks, risk assessors ensure that consumer exposure remains within levels considered protective of health. Such illustrative calculations highlight how scientific assessments translate into practical risk management decisions.

Safety And Health Research

Safety evaluations for CYCLOHEXANEACETIC ACID have been conducted by expert panels and regulatory bodies to assess potential risks associated with its use as a flavoring agent. The FEMA Expert Panel has reviewed this compound and assigned a GRAS reference number, indicating a consensus among flavor chemists and toxicologists that, when used within defined conditions, it does not raise safety concerns for consumers. In addition, the Joint FAO/WHO Expert Committee on Food Additives (JECFA) included this compound in its evaluations of flavoring agents and concluded that there is no safety concern at the levels of intake currently used in food flavoring applications. These assessments consider factors such as metabolic pathways, exposure levels, and toxicological data to determine whether typical use results in consumer exposure that could present potential hazards. Available scientific documentation from these evaluations emphasizes the role of established safety margins and conservative exposure assumptions in regulatory decisions. Data on chronic toxicity, carcinogenicity, and genotoxicity specific to this compound may be limited; however, broad safety conclusions from authoritative bodies are based on available evidence and established frameworks for flavoring substances. Continued monitoring of scientific research and regulatory reviews ensures that emerging information relevant to human health and safety is considered within global food additive regulation processes.

Regulatory Status Worldwide

Regulatory frameworks in various regions recognize CYCLOHEXANEACETIC ACID as a permitted flavoring substance under defined conditions. In the United States, it is included within the list of synthetic flavoring substances and adjuvants that may be used in food under 21 CFR 172.515, which outlines provisions for these substances to be safely used provided they meet good manufacturing practices and usage in the minimum quantity required to achieve their intended effect. This citation supports its regulatory status as an allowable flavoring agent when used in compliance with federal regulations. The Flavor and Extract Manufacturers Association (FEMA) has evaluated this compound and assigned a FEMA GRAS reference number, indicating that expert review has determined it to be generally recognized as safe under the conditions of intended use within the food industry. Internationally, the Joint FAO/WHO Expert Committee on Food Additives (JECFA) evaluated this compound and concluded that there is no safety concern at current levels of intake when used as a flavoring agent based on its functional class and evaluation data. Regulatory acceptance in jurisdictions outside the United States generally aligns with scientific evaluations and inclusion in international flavor additive compendia, reflecting consensus on its utility and safety when used according to specified guidelines. These regulatory designations guide formulators and manufacturers in lawful and responsible use of this compound in food products.

Taste And Functional Properties

CYCLOHEXANEACETIC ACID exhibits specific sensory characteristics that make it useful in flavor applications. When evaluated in carefully controlled sensory tests, the compound may contribute subtle floral or complex aromatic notes that underscore the profiles of broader flavor blends. In practice, its inherent taste and odor attributes can be described qualitatively as having a mild, acetic undertone with supporting floral elements, which can enhance certain flavor categories when combined with other agents. Functional properties of this compound include its stability under typical food processing conditions and its solubility profile in relevant formulation systems. As a carboxylic acid derivative, it interacts with other flavor molecules and food matrices in ways that preserve intended sensory effects. For example, in aqueous or lipid-based systems, it can contribute to the overall sensory balance without dominating the flavor landscape. The compound’s performance in formulations is influenced by processing parameters, pH, and interactions with other ingredients, and flavorists typically optimize its concentration to achieve desired results. Its stability to heat and pH changes in many food processing scenarios allows for consistent sensory expression throughout manufacturing and storage, making it a versatile tool in complex flavor designs.

Acceptable Daily Intake Explained

The concept of an acceptable daily intake (ADI) is used by food safety authorities to express a level of daily exposure to a substance that is considered without appreciable risk over a lifetime. For CYCLOHEXANEACETIC ACID, regulatory evaluations that classify the compound as having no safety concern at current intake levels do not specify a numeric ADI value, but rather indicate that typical consumer exposure from its use as a flavoring agent is expected to fall well within safe margins based on scientific evaluations. An ADI, when established, is derived from toxicological studies that identify a no-observed-adverse-effect level (NOAEL) and apply uncertainty factors to account for variability among individuals and species. In the case of this compound, the absence of a formal numeric ADI in regulatory documents reflects conclusions from expert reviews that customary use levels do not pose significant health risks, rendering a specific numeric ADI less critical for risk management. Nevertheless, understanding the general principle behind ADI helps contextualize how safety evaluations are conducted: regulators consider both the inherent toxicity of a substance and estimated exposure from realistic use patterns to ensure that consumer safety is maintained over time.

Comparison With Similar Additives

CYCLOHEXANEACETIC ACID can be compared with other flavoring agents within the same functional class to illustrate similarities and differences in sensory and regulatory attributes. For example, compounds such as Methyl Cyclohexanecarboxylate and Cyclohexane Carboxylic Acid share cycloaliphatic structural features that contribute to their utility in flavor formulations, but they differ in sensory profiles and chemical properties that influence their selection for specific applications. Methyl Cyclohexanecarboxylate is an ester that may impart fruity notes and is recognized as a flavoring agent in various dessert applications, whereas Cyclohexane Carboxylic Acid may provide different aromatic accents in savory blends. While all these compounds can function as flavor constituents, their regulatory recognition and usage constraints vary according to evaluation by bodies such as FEMA, JECFA, and local food safety authorities. In addition, some flavoring agents may have defined numeric ADIs based on toxicological data, which distinguishes them from compounds evaluated on the basis of no safety concern at estimated intake levels. These comparisons help formulators select appropriate ingredients based on functional requirements, sensory goals, and regulatory acceptability in diverse food systems.

Common Food Applications Narrative

CYCLOHEXANEACETIC ACID finds application in a range of food products where nuanced flavoring is essential to the consumer experience. It is included in flavor blends that aim to replicate or enhance specific taste profiles, particularly in processed foods where natural flavors alone may not achieve the desired sensory effect. For instance, it may be part of flavor systems in confectionery products, where subtle floral or balanced aromatic notes help round out sweetness and other taste elements. Similarly, in dairy analogs or imitation butter flavor formulations, this compound supports the creation of complex profiles that simulate dairy richness and depth when combined with other flavor components. Additionally, beverage formulations such as flavored waters or ready-to-drink teas occasionally incorporate tailored flavor compounds like CYCLOHEXANEACETIC ACID to provide consistent and appealing aromatic backgrounds. Its use may extend to baked goods, snacks, and savory products where harmonizing aromatic elements contribute to a more sophisticated sensory experience. In each of these applications, the compound is used at concentrations that align with regulatory guidelines and good manufacturing practice to achieve the intended effect without imparting off-flavors or overpowering other ingredients. The flavor industry relies on such compounds to deliver reliable sensory characteristics that meet consumer expectations across a diversity of food categories.

Safety & Regulations

FDA

  • Approved: True
  • Regulation: 21 CFR 172.515

EFSA

  • Notes: No EFSA numeric ADI available in authoritative sources

JECFA

  • Year: 2002
  • Adi Display: No safety concern at current intake levels

Sources

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