DELTA-DAMASCONE

CAS: 57378-68-4 FLAVORING AGENT OR ADJUVANT

DELTA-DAMASCONE (CAS 57378-68-4) is a synthetic aromatic ketone used as a flavoring agent characterized by a fruity floral scent and evaluated for use in food flavorings by expert bodies.

What It Is

DELTA-DAMASCONE is an organic compound with CAS number 57378-68-4 and belongs to the class of ketones used as a flavoring agent or adjuvant. It is structurally identified as 1-(2,6,6-trimethyl-3-cyclohexen-1-yl)-2-buten-1-one and is part of the larger family of damascone compounds that contribute floral and fruity odor profiles to flavor and fragrance formulations. In the context of food ingredients, delta-damascone serves primarily to impart or enhance desirable aromas in various food products, where scent plays an important role in consumer perception. Its use as a flavoring substance has been recognized in inventories such as the U.S. FDA Substances Added to Food database, indicating functional classification as a flavoring agent or adjuvant. This underscores its role in the sensory design of flavors even though the degree of regulatory acceptance varies by jurisdiction. The compound is one of several isomeric norisoprenoid ketones valued for their potent aromatic characteristics, often reported to deliver complex combinations of fruit, floral, and subtle tobacco-like nuances. It is therefore used not for nutritional value but strictly for its contribution to the aromatic complexity of flavor blends. As a pure ingredient it appears as a liquid with a characteristic fruitlike aroma, emphasizing its role in enhancing the olfactory appeal of flavored foods and beverages. Flavor chemists and formulators utilize delta-damascone in combination with other flavor materials to achieve targeted profiles that mimic natural flavor nuances that might otherwise be difficult or costly to obtain from natural sources alone.

How It Is Made

Production of DELTA-DAMASCONE typically involves synthetic chemical routes rather than extraction from natural sources, given its commercial demand and structural complexity. Industrial synthesis often starts with readily available precursors such as isopropyl ketone derivatives and unsaturated hydrocarbons, which undergo condensation and dehydration reactions to build the characteristic cyclohexenylbutenone framework. These pathways are designed to yield high purity products suitable for use in flavor and fragrance applications. The manufacturing process is conducted under controlled conditions to ensure that the resulting delta-damascone meets quality specifications appropriate for food flavoring use, including organoleptic consistency and chemical purity. Manufacturers commonly utilize catalysts to drive key steps of the synthesis, optimizing reaction conditions for maximal efficiency and yield. The final product is then purified using distillation and chromatography techniques to remove byproducts and isomeric variants that do not contribute to the desired sensory effect. Synthetic production is favored over natural extraction because delta-damascone occurs only in trace amounts in natural sources, making direct extraction economically impractical. By synthesizing the compound, producers can ensure a reliable supply that meets the demand of the flavor industry and supports consistent performance in formulations.

Why It Is Used In Food

DELTA-DAMASCONE is used in food primarily for its potent aromatic properties, serving as a flavoring agent or adjuvant to enhance the sensory appeal of products. Flavor perception is a critical driver of consumer enjoyment, and aroma compounds like delta-damascone play a significant role in shaping the overall flavor profile of food and beverages. Its floral and fruity nuances can be blended with other flavor materials to craft complex sensory impressions that mimic or amplify natural flavor characteristics. Formulators incorporate delta-damascone into flavor systems to reinforce notes associated with berries, tropical fruits, and floral themes, as well as to provide subtle depth that rounds out flavor profiles. Because it interacts synergistically with other aroma chemicals, relatively small amounts can have a pronounced effect on the character and perceived quality of a flavor blend. Additionally, synthetic flavoring agents such as delta-damascone offer cost-effective alternatives to rare natural extracts, enabling product developers to achieve consistent sensory results without relying on seasonally variable or expensive natural ingredients. This predictability and control are essential for maintaining flavor uniformity across production batches.

Adi Example Calculation

As an illustrative example, if a hypothetical safe intake limit were established based on thorough toxicological evaluation, one might calculate potential daily intake by combining typical use concentrations with average consumption volumes of flavored foods. For instance, in a flavored beverage with delta-damascone present at a trace level typical of its sensory threshold, even high consumption of several servings per day would result in an extremely low overall intake relative to body weight. Such hypothetical calculations help illustrate the disparity between flavoring concentrations and total body exposure, emphasizing why expert panels have concluded no safety concern at current intake levels. It is important to understand that this example is illustrative and not guidance for personal intake decisions; the purpose is to contextualize how exposure from flavoring use compares to the levels at which safety is evaluated. Actual regulatory recommendations depend on comprehensive review of all available data and expertise by authoritative bodies.

Safety And Health Research

Safety evaluations of DELTA-DAMASCONE have focused on its use as a flavoring agent, where regulatory expert panels assess potential effects based on exposure levels typical of food use. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) in 1998 reviewed delta-damascone and concluded that there is no safety concern at current levels of intake when used as a flavoring agent, reflecting a comprehensive assessment of toxicological data available at that time. Such evaluations generally encompass studies on metabolism, acute toxicity, and other endpoints relevant to human exposure. Because delta-damascone is used at low concentrations in flavor formulations, typical exposure levels for consumers are limited, and safety assessments consider both potency and expected intake. Toxicology evaluations emphasize that safety margins remain adequate given current use patterns in food flavoring. At present, there is no indication from authoritative evaluations that delta-damascone presents hazards when used appropriately in food flavorings and within recognized guidelines. Continued review of emerging data is part of ongoing regulatory practice for flavoring substances.

Regulatory Status Worldwide

Internationally, DELTA-DAMASCONE has been evaluated by expert bodies for use as a flavoring substance. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) assessed delta-damascone and reported that there is no safety concern at current levels of intake when used as a flavouring agent, reflecting a historical evaluation for flavoring use. This JECFA evaluation is documented under JECFA number 386 and emphasizes safety under typical exposure conditions. In the United States, the substance appears in the FDA Substances Added to Food inventory with technical effect listed as a flavoring agent or adjuvant, where inclusion indicates recognition in the context of food ingredients. However, inclusion in this inventory does not by itself constitute a specific FDA approval regulation. Regulatory frameworks in jurisdictions such as the European Union treat chemically defined flavoring substances under established flavoring regulation, but specific authorization and use conditions may vary and are subject to local flavoring substance lists and guidelines. The regulatory landscape for delta-damascone, as with many flavoring agents, emphasizes safety evaluation and adherence to good manufacturing practice in determining appropriate use levels.

Taste And Functional Properties

As a flavor ingredient, DELTA-DAMASCONE is valued for its aromatic contribution rather than taste per se, since many volatile aroma compounds have minimal direct taste impact on their own. Its organoleptic signature is often described as a combination of fruity and floral notes, which can elevate the perceived fruitiness and complexity of flavor blends in products like beverages, confectionery, and dairy analogues. The compound’s volatility and odor potency mean that even low concentrations can influence the overall sensory profile. From a functional perspective, delta-damascone is relatively stable under typical formulation conditions, allowing it to be used in a range of product types. It dissolves readily in many flavor carrier systems and exhibits compatibility with other common flavor components, enabling seamless integration into complex mixtures. However, because it is a volatile compound, careful handling is important during flavor compounding to preserve its aromatic integrity. Given its primary role as an aroma contributor, delta-damascone does not significantly affect the nutritional or textural properties of food products. Its impact is focused on enhancing the bouquet of volatile aromas experienced by consumers, which in turn can strongly influence perceived flavor quality and appeal.

Acceptable Daily Intake Explained

Acceptable Daily Intake (ADI) is a concept used in food safety to describe the estimated amount of a substance that can be consumed daily over a lifetime without appreciable health risk. For many flavoring agents, expert bodies such as JECFA evaluate toxicological data and exposure estimates to determine whether an ADI can be defined. In the case of DELTA-DAMASCONE, the JECFA review concluded that at current levels of intake from food use there is no safety concern, which is consistent with the notion that typical dietary exposure is well below any threshold that would warrant concern. This type of conclusion differs from setting a specific numeric ADI, reflecting confidence in the safety of exposure under current use patterns rather than a quantified daily limit. For consumers and product developers, it is important to recognize that safety evaluations consider realistic conditions of use and exposure rather than maximal theoretical exposures. An expert evaluation indicating no safety concern suggests that the compound, when used appropriately in flavor applications, does not require a defined numeric ADI to ensure consumer safety.

Comparison With Similar Additives

DELTA-DAMASCONE can be compared with other aromatic flavoring agents such as beta-damascone and damascenone, which also belong to the norisoprenoid family and contribute fruity or floral notes in flavor compositions. Beta-damascone, for instance, often exhibits slightly different aromatic nuances and may be selected over delta-damascone depending on the desired sensory outcome. Damascone isomers differ subtly in their odor profiles, with each isomer offering unique attributes that flavor chemists exploit to tailor aroma complexity. Another similar compound is damascenone, a related norisoprenoid known for its potent floral and fruity aspects, frequently used in both flavor and fragrance applications. While damascenone may be preferred for certain citrus or fruit-forward profiles, delta-damascone offers distinct characteristics that complement other components in multi-faceted flavor systems. Comparing these additives highlights how structural variations translate into functional sensory differences that guide their use in product formulation.

Common Food Applications Narrative

DELTA-DAMASCONE finds application in a variety of flavor formulations where enhanced aromatic complexity is desired. In beverages such as fruit drinks and flavored waters, it can contribute subtle floral and ripe fruit nuances that elevate the character of the final product. Similarly, in confectionery items, its incorporation can help define the fruit or floral aspects of candy flavors, particularly in hard candies, gummy sweets, and gel-based confections. In dairy and dairy-analog products, delta-damascone may be used in limited quantities to reinforce fruit-forward profiles in flavored yogurts and dessert lines, adding aromatic depth that complements other flavor notes. Its use is often calibrated carefully by flavorists to ensure balance with other components. Because aromatic perception plays a substantial role in overall flavor impression, inclusion of delta-damascone in flavor blends supports sensory differentiation in competitive product categories. Its ability to contribute nuanced scent facets makes it a useful tool in the formulation of multi-dimensional flavor systems where fruity and floral elements are desired.

Safety & Regulations

FDA

  • Notes: Inclusion in FDA Substances Added to Food inventory does not itself constitute explicit FDA approval in CFR and no specific CFR part is currently d.

EFSA

  • Notes: EFSA specific numeric ADI is not identified in available flavoring substance lists.

JECFA

  • Notes: JECFA concluded no safety concern at current intake levels; no numeric ADI specified on the d entry.
  • Adi Display: No safety concern at current levels of intake

Sources

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