CATECHU, BLACK, EXTRACT (ACACIA CATECHU WILLD.)

CAS: 8001-76-1 FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT

Catechu, Black, Extract is a plant-derived resinous extract from the heartwood of Acacia catechu with applications as a natural flavoring agent and enhancer in foods.

What It Is

Catechu, Black, Extract (Acacia catechu Willd.) is a natural extract obtained from the heartwood of the Acacia catechu tree species. It is a dark resinous substance traditionally used in food and flavor systems as a natural flavoring agent and flavor enhancer. This extract, with CAS Number 8001-76-1, comprises a complex mixture of organic constituents that contribute to its technical function in food formulations. While not assigned an INS or E-number in many regions, its use is recognized under regulatory frameworks that permit natural flavoring substances and related adjuvants. The substance is listed in FDA’s Substances Added to Food (formerly EAFUS) database with the specified technical effect of flavor enhancement and flavoring agent/adjuvant within food products, under regulation 21 CFR 172.510, which governs natural flavoring substances and natural substances used in conjunction with flavors. This category includes a wide variety of plant extracts and concentrates that impart organoleptic properties to foods under the principles of good manufacturing practice. As a natural resinous extract, Catechu, Black, Extract has a long history of use in traditional systems and contemporary applications involving flavor systems, though its composition and functional contributions can vary based on botanical source, extraction method, and formulation context. The extract is distinct from isolated pure compounds; it represents a plant-derived complex mixture rather than a single defined molecule, and its flavoring properties derive from this collective profile. Its inclusion in regulatory references underscores its recognized place within the set of natural flavoring substances permitted under specified conditions of use.

How It Is Made

Catechu, Black, Extract is prepared by processing the heartwood of the Acacia catechu tree, a leguminous species native to parts of South and Southeast Asia. Traditional methods involve extracting the wood with hot water to solubilize the resin and associated organics, followed by concentration, filtration, and drying to yield the final extract. This process yields a dark, resinous solid or powder that retains a complex array of plant-derived constituents. The extraction is fundamentally a physical-chemical process, relying on differential solubility of compounds in aqueous media at elevated temperatures, followed by removal of the solvent to concentrate the extracted constituents. Because the extract is a composite of multiple constituents inherent to the source material, specifications for purity and composition are often defined in terms of acceptable ranges for certain marker compounds and absence of undesirable contaminants rather than strict per-constituent purity. The manufacturing process must adhere to good manufacturing practices to ensure food-grade quality, including controls on source material identity, harvesting conditions, solvent quality, and processing parameters. Once generated, the extract may undergo additional purification or standardization to meet technical specifications for use in food flavor systems. The repeatability of the extraction process, along with quality controls on raw materials and processing conditions, help ensure consistency of the sensory and functional properties that manufacturers rely on when formulating with Catechu, Black, Extract. Without defined global monograph specifications publicly accessible through regulatory sources like JECFA, specific extract preparation details remain technical and proprietary to producers, but the general method reflects well-established botanical extraction procedures used for many plant-derived flavoring agents.

Why It Is Used In Food

Catechu, Black, Extract is used in food primarily for its role as a flavoring agent and flavor enhancer. Natural flavoring substances like this plant extract can contribute complexity and depth to the sensory profile of food products, often complementing other flavor components. The use of plant extracts in flavor systems aligns with consumer demand for recognizable, plant-based ingredients that provide characteristic taste and aroma notes. As a natural extract, Catechu, Black, Extract can impart subtle underlying notes that support product flavor balance and enhance overall palatability, depending on the food matrix and the concentration used. In addition to direct flavor contributions, some natural extracts may influence the persistence or perception of other flavor compounds, acting synergistically in multi-component flavor systems. The regulatory framework for natural flavoring substances permits their use when incorporated in amounts consistent with the intended physical or technical effect, and in accordance with the principles of good manufacturing practice. The extract’s inclusion in flavoring formulations is guided by technical objectives such as reinforcing characteristic notes, bridging gaps between components, or enhancing the expression of specific flavor attributes. While technical literature often highlights the origin and sensory contributions of such extracts, formulators rely on empirical evaluation within the context of target food products to determine optimal usage levels. Catechu, Black, Extract is not typically used as a major flavor note on its own but rather as a supporting element within a broader flavor design strategy, where the complex interplay of natural constituents contributes to nuanced sensory outcomes. The specific reasons for its use in a given application reflect both sensory goals and regulatory compatibility with food ingredient standards.

Adi Example Calculation

Because a specific numeric acceptable daily intake (ADI) value for Catechu, Black, Extract was not identified in authoritative regulatory sources accessible at the time of writing, it is not possible to provide a precise illustrative calculation using a numeric ADI for this ingredient. Numeric example calculations for ADIs require an established mg per kilogram body weight guideline from an authoritative source, which for this complex botanical extract was not found in the publicly accessible databases consulted. In cases where a numeric ADI is defined for other additives, an illustrative example would involve multiplying the ADI by a hypothetical body weight to estimate a safe lifetime daily intake. However, without a defined numeric ADI for this extract, such a calculation cannot be reliably demonstrated here.

Safety And Health Research

The safety evaluation of food additives, including natural flavoring substances like Catechu, Black, Extract, typically involves assessment of toxicological data relevant to the extract or its major constituents, consideration of exposure levels from intended uses, and review of any available experimental evidence on adverse effects. Publicly accessible regulatory databases and scientific literature for this specific extract focus more on its identity, source, and permitted usage rather than detailed toxicological endpoints. For complex botanical extracts, safety assessments often rely on historical use, absence of concerning effects at exposure levels associated with intended food uses, and general principles applied by expert committees reviewing flavoring agents. Many natural extracts contain polyphenolic compounds and related constituents whose safety profiles are informed by both traditional dietary exposure and specific studies on isolated components where available. Because Catechu, Black, Extract represents a composite mixture rather than a single defined chemical entity, comprehensive toxicological profiles may be less well documented in primary public regulatory sources, and manufacturers often rely on internal assessment data and compliance with extract specifications to support safety evaluations. Regulatory frameworks that permit such extracts generally require adherence to good manufacturing practices and monitoring of contaminants that could pose safety concerns. Without publicly available, detailed toxicological studies referenced in authoritative regulator monographs or evaluations, specific hazard endpoints such as genotoxicity or chronic toxicity cannot be definitively summarized here, and therefore general safety language reflects the regulatory context in which the extract is authorized for use as a flavoring substance under specified conditions rather than detailed mechanistic health claims.

Regulatory Status Worldwide

In the United States, Catechu, Black, Extract is recognized under 21 CFR 172.510, which authorizes natural flavoring substances and natural substances used in conjunction with flavors when used in accordance with good manufacturing practice and in amounts consistent with their technical effect. This regulatory citation indicates that the extract may be used as a flavoring agent or flavor enhancer in foods without a specific numerical limit, provided it meets the conditions of the regulation. The Substances Added to Food (formerly EAFUS) inventory maintained by the FDA lists this extract with the specified use category of flavor enhancer and flavoring agent or adjuvant, confirming its acceptance within this regulatory framework. Outside the US, explicit authorization and conditions of use may vary by jurisdiction, and formulators should consult local regulations to ensure compliance. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) maintains a searchable database of specifications for flavourings and additives, but specific numeric acceptable daily intake values or detailed monograph information for this extract were not identified in available public resources at the time of writing. This absence of publicly accessible numeric values means that, while the extract is recognized for functional use, formal global quantitative intake guidelines may not have been established in the same way as they are for some single-component food additives. Regulatory evaluation often considers both identity specifications and safety data relevant to the extract’s constituents, and in many regions, natural flavoring substances are permitted under general provisions that accommodate complex botanical extracts. Compliance with good manufacturing practices, quality control measures, and adherence to relevant labeling and safety requirements remain essential components of regulatory acceptance in global markets.

Taste And Functional Properties

Catechu, Black, Extract exhibits sensory properties typical of resinous plant extracts, with descriptors ranging from mild astringency to subtle underlying notes that can enhance the perception of depth and complexity in flavor systems. While specific flavor descriptors can vary based on extraction method and source material characteristics, the extract is not generally characterized as having a strong, singular taste on its own. Instead, its functional properties derive from a combination of constituents that interact with other flavor components in a formulation. The extract’s solubility profile supports its integration into aqueous and other food systems, permitting formulators to incorporate it into diverse product categories. From a functional perspective, natural extracts like this may also exhibit ancillary effects such as supporting the overall balance of a flavor profile or masking undesirable notes in complex matrices. Because the extract is derived from plant material, its behavior in food systems can also be influenced by factors such as pH, processing temperature, and interactions with other ingredients. For example, the extract’s components may undergo limited chemical changes under high-heat processing, potentially altering sensory attributes compared to their state in unprocessed forms. The stability of a natural extract’s flavor contributions depends on the matrix and processing conditions, and formulators must consider these aspects when selecting and using plant-derived flavoring agents. While detailed sensory profiling for Catechu, Black, Extract is limited in publicly accessible regulatory documents, its classification under natural flavoring substances implies that regulatory authorities recognize its functional contribution to flavor systems when used appropriately. Sensory scientists and flavor professionals often conduct in-house evaluations to understand and optimize the extract’s impact within their specific applications, ensuring that it supports desired sensory outcomes without introducing off-notes or instability under processing and storage conditions.

Acceptable Daily Intake Explained

An acceptable daily intake (ADI) is a regulatory concept representing the amount of a substance that can be consumed daily over a lifetime without appreciable health risk, based on available toxicological data and safety factors. Many single-component food additives evaluated by expert committees such as JECFA or EFSA have defined numeric ADIs expressed in milligrams per kilogram of body weight per day. For complex botanical extracts like Catechu, Black, Extract, specific numeric ADI values publicly documented by authoritative bodies were not identified in available regulatory sources at the time of writing, meaning that a formal numeric ADI may not have been established in the same way as for defined chemical additives. When an ADI is not explicitly defined in authoritative regulatory databases, the safety evaluation relies on principles of good manufacturing practice, historical use, and available safety evidence rather than a specific numeric guideline. It is important to understand that an ADI is not a recommended intake but a risk management tool used by regulators to guide permissible levels of additive use in food products. In practice, manufacturers and regulatory authorities apply conditions of use and quality control measures that ensure exposure remains within levels considered safe based on available evidence and expert judgment. The concept of an ADI helps contextualize safety evaluation for additives with extensive toxicological data, but for complex natural extracts without a specific numeric ADI in public monographs, regulatory acceptance is instead based on compliance with permitted use conditions and quality specifications.

Comparison With Similar Additives

Catechu, Black, Extract can be compared with other natural flavoring agents that are also plant-derived extracts used to enhance or support flavor systems. For example, vanilla extract, another complex botanical extract, contributes characteristic aroma and flavor notes and is permitted under natural flavoring regulations when used in accordance with good manufacturing practice. Like vanilla extract, Catechu, Black, Extract consists of multiple compounds that collectively influence sensory perception rather than a single dominant molecule. In contrast, single-component flavoring agents such as ethylvanillin or maltol are defined chemical substances with specific structures and often have numeric ADIs established by regulators, reflecting more complete toxicological datasets. Similarly, citrus-derived extracts used for flavor carry specific profiles and regulatory status under natural flavoring provisions, emphasizing their sensory contributions and historic use. Compared to these examples, Catechu, Black, Extract aligns with the category of complex plant extracts whose regulatory acceptance is based on conditions of use and technical effect rather than numeric intake limits. The practical differences in formulating with these additives relate to sensory goals: single-component agents provide predictable, strong flavor notes, while complex extracts offer nuanced contributions. Understanding these distinctions helps formulators select appropriate flavoring agents to achieve desired sensory profiles while maintaining compliance with relevant regulatory frameworks.

Common Food Applications Narrative

Catechu, Black, Extract finds application across a range of food categories where natural flavoring agents are desired to provide complexity and support overall sensory quality. In beverages, it may be used to subtly enhance base notes and contribute a nuanced supporting profile in flavored drinks and teas. Within baked goods and confectionery, the extract’s ability to blend with other flavor components allows it to support sweetness profiles and balance the perception of other flavor molecules. Savory applications can also benefit from plant-derived extracts that help unify disparate flavor contributors, particularly in sauces, seasonings, and dressings. Throughout these applications, food technologists select flavoring agents like Catechu, Black, Extract based on their compatibility with the product’s ingredient matrix and processing conditions. Its natural origin aligns with consumer trends favoring plant-derived flavoring agents, and its inclusion helps formulators achieve desired sensory characteristics without relying solely on synthetic compounds. As a flavor enhancer, the extract may also be used in snack foods and salty products where intensification of flavor perception can improve product appeal. Because natural extracts are often perceived as more familiar by consumers, products formulated with such ingredients may also benefit from marketing narratives that emphasize natural sources of flavor complexity. In dairy-based products such as yogurts and flavored milks, Catechu, Black, Extract can play a role in rounding out flavor systems, contributing depth without dominating the primary taste profile. Similarly, in confectionery fillings and icings, the extract’s subtle support of sweet and aromatic notes can enhance overall sensory pleasure. Across these diverse applications, the extract is never a primary flavor itself but operates within a broader palette of flavoring agents and enhancers that together create the final sensory experience that consumers recognize in finished food products.

Safety & Regulations

FDA

  • Approved: True
  • Regulation: 21 CFR 172.510

EFSA

  • Notes: Specific EFSA evaluation and numeric ADI not identified in public sources

JECFA

  • Notes: Numeric ADI and year not found in publicly accessible JECFA specification database search

Sources

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