YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.)

CAS: 977083-21-8 FLAVORING AGENT OR ADJUVANT, PROPELLANT

**YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.)** is a plant-derived natural substance listed under U.S. food additive regulations as a flavoring agent or adjuvant and propellant when used in foods under conditions of good manufacturing practice. It is recognized in FDA’s food additive inventory with a CAS number of 977083-21-8 and appears in regulatory listing 21 CFR 172.510 for natural flavoring substances and natural substances used with flavors. Its use is tied to sensory enhancement rather than nutritional contribution. Evidence from established databases shows its technical function and regulatory context in food, but formal toxicological numeric limits such as ADI are not found in major regulator entries, so safety descriptions emphasize conditional use within authorized frameworks. Its sensory contribution is typically subtle and integrated into complex flavor formulations rather than a primary taste. U.S. regulation allows natural flavoring sources like this to be used at the minimum level needed to achieve the intended effect under good manufacturing practices. Typical food applications span diverse items where natural flavors are added to complement or enhance overall organoleptic profiles.

What It Is

YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.) is a botanical material harvested from the species Yucca brevifolia, commonly known as the Joshua Tree. As a botanical, it is classified among natural substances used for flavoring purposes in food when used under regulatory conditions appropriate to flavoring agents or adjuvants. This classification reflects its technical role as a component that affects sensory perception when small quantities are applied in food systems. It is also described in regulatory inventories as a propellant in certain formulations, indicating its physico-technical role in dispersing flavor components or aiding processes rather than serving as a nutritive ingredient. In regulatory contexts such as the U.S. Food and Drug Administration’s food additive listing, it appears under the listing at 21 CFR 172.510, which governs natural flavoring substances and natural substances used in conjunction with flavors. That regulation lists a diverse set of botanical entries that can be safely used in food under conditions of good manufacturing practice and limited to the amount reasonably required to accomplish the desired flavor effect. The “propellant” descriptor reflects technical use in preparing or delivering flavoring agents, for example in liquid aerosol systems or encapsulated flavor carriers, rather than acting as a primary food ingredient. From a food science perspective, describing what this ingredient is requires understanding its dual heritage as both a named plant extract and as a regulated technical additive. The plant itself is native to arid landscapes and historically has been used for diverse purposes by various cultures, although modern food regulatory listing focuses narrowly on the technical aspects relevant to flavoring uses. In food ingredient databases, the listing binds the plant material to specific amended regulations and conditions of safe use. The CAS number 977083-21-8 uniquely identifies the substance in regulatory inventories, helping manufacturers, regulators, and analytical labs reference it unambiguously.

How It Is Made

The production of YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.) for use as a flavoring agent begins with the botanical raw material from the species Yucca brevifolia. In practice, botanical processing for flavor substances involves harvesting selected plant parts, such as stems or leaves, and subjecting them to extraction processes using food-grade solvents or water. These extraction techniques concentrate flavor-active compounds or other components that contribute to the organoleptic effects sought in finished products. The specific manufacturing steps vary by producer and may include drying, milling, solvent extraction, filtration, and concentration under controlled conditions. Plant-based flavor extracts are typically prepared to meet quality criteria that align with food-grade standards. These include purity assessments, absence of prohibited contaminants, and compliance with good manufacturing practices (GMP) outlined in food regulatory frameworks. Factors such as solvent choice, extraction temperature, and time influence the profile of the resultant extract, and formulators adjust these variables to achieve desired sensory characteristics. Final processing may involve removal of solvent residues and standardization of the extract to consistent quality metrics, although specific published specifications for this botanical appear limited in public regulatory databases. Because botanical extracts are complex mixtures, analytical methods such as chromatography and spectrometry are often applied during quality control to ensure batch-to-batch consistency and to confirm identity. In the case of natural flavoring substances regulated under U.S. law, producers must ensure that the material placed into foods conforms to conditions described in regulatory listings such as 21 CFR 172.510. These conditions include using the substance in the minimum quantity required to achieve the intended technical effect and adhering to GMP. Manufacturers producing this extract for flavor applications in foods must consider regulatory specifications, potential allergens, solvent residues, and microbial standards during production to align with food safety requirements.

Why It Is Used In Food

Food formulators use YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.) for its ability to contribute subtle flavor characteristics and to support the delivery of complex natural flavor profiles. In processed foods, it functions as a flavoring agent, adding organoleptic nuance that complements other ingredients rather than dominating sensory perception. Its classification as an adjuvant means it can help intensify or stabilize flavor impressions when combined with primary flavoring substances. This makes it useful in multi-component flavor systems where fine-tuning of aroma and taste characteristics is needed. The technical designation as a propellant reflects secondary roles in formulation and processing, particularly where flavor extracts must be dispersed, carried, or encapsulated efficiently in food matrices. For example, in liquid flavor systems or aerosolized applications, compounds that facilitate distribution without altering nutritional content can be valuable. Such propellant roles are strictly technical and governed by regulatory definitions that emphasize minimal usage levels compatible with the intended effect. In general, food ingredients fulfill technological functions that justify their inclusion beyond basic nutrition. Flavoring agents enhance palatability, support consumer acceptability, and help products achieve consistent sensory profiles across batches. Manufacturers select such agents based on desired sensory outcomes, interactions with other ingredients, and stability under processing conditions such as heat or pH changes. Botanical flavor substances like this one are often chosen in “natural flavor” designations to meet consumer preferences for ingredients derived from recognizable plant sources, provided they conform to relevant food additive regulations.

Adi Example Calculation

Because a specific numeric ADI for YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.) could not be confirmed in authoritative regulatory databases, a numeric example based on a formal ADI cannot be provided. ADI calculations normally involve multiplying an established mg per kg body weight per day value by an individual’s body weight to estimate daily intake thresholds. In the absence of a confirmed ADI value, one cannot perform this calculation for this substance. For illustration only, consider how ADI calculations are typically done when numeric values exist: A substance with an ADI of X mg per kg body weight per day and a person weighing 70 kg would have an illustrative threshold of 70 times X mg per day. Since there is no confirmed numeric ADI for this botanical in primary regulatory sources, this demonstrates why such a calculation cannot be meaningfully done here. It emphasizes the difference between substances with established numeric safety thresholds and those regulated through conditional safe use provisions.

Safety And Health Research

Safety assessments for botanical flavoring agents generally emphasize controlled use levels, source material quality, and compliance with good manufacturing practices rather than specific toxicological thresholds. For YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.), authoritative regulatory listings such as 21 CFR 172.510 support its conditional use as a natural flavoring substance under regulated conditions in food. The regulatory acceptance in U.S. law implies a safety context where the substance is not expected to present safety concerns at levels reasonably required for the intended technical effect. However, unlike certain additives with established numeric acceptable daily intakes (ADIs), there are no widely published numeric safety limits or ADI values for this botanical in major international toxicological monographs available in current public databases from organizations such as JECFA or EFSA. This means that definitive numeric health reference values such as mg per kg body weight per day could not be verified for inclusion. Toxicological research on botanical extracts often includes assessments for mutagenicity, acute toxicity, and potential allergenicity depending on chemical composition. For many plant extracts, compounds such as saponins, phenolics, and other secondary metabolites are evaluated in laboratory models to understand biological interactions. In the absence of specific peer-reviewed toxicology monographs for this botanical flavoring ingredient in primary regulatory databases, narratives about general classes of compounds are omitted to avoid unsupported health claims. Instead, regulatory authorities rely on historical usage data, compositional analyses showing the extract’s complexity, and GMP-based usage conditions to conclude that such materials do not present safety concerns at authorized use levels in foods. Responsible manufacturers implement quality control measures, including testing for contaminants, ensuring solvent residue limits are below thresholds, and confirming botanical identity through analytical techniques. These practices help minimize potential exposures to undesirable compounds. The overarching safety narrative emphasizes adherence to regulatory conditions, industry best practices for botanical ingredients, and compliance with approved food additive frameworks. Without confirmed numeric toxicological points or human clinical data from authoritative regulators, broad health effect claims are avoided and focus remains on regulated use context and procedural safety frameworks.

Regulatory Status Worldwide

In the United States, YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.) is listed in the FDA’s Substances Added to Food database and is associated with the food additive regulation 21 CFR 172.510, which governs natural flavoring substances and natural substances used in conjunction with flavors. That regulation allows such natural flavoring substances to be safely used in food when included in the minimum quantity required to achieve the intended effect and in accordance with the principles of good manufacturing practice, without specified quantitative use limits in the regulation text itself. This listing implicitly recognizes the ingredient’s safety under the conditions of use described. The FDA entry includes the CAS number 977083-21-8 and associates the substance with its technical uses as a flavoring agent or adjuvant and propellant in food applications. Regulatory listing 21 CFR 172.510 pertains broadly to natural flavoring substances, not only this specific botanical, and contains a comprehensive list of botanicals and other natural materials eligible for use under defined conditions. Because the regulation does not include strict maximum usage levels for every listed material, industry practice coupled with compliance to good manufacturing practice assures that actual addition rates stay within safe boundaries. International regulatory statuses can vary, and lists of approved flavoring agents or botanical extracts differ across jurisdictions. Databases maintained by organizations such as the Joint FAO/WHO Expert Committee on Food Additives (JECFA) provide specifications and evaluations for many flavoring substances, but a direct listing for this specific botanical in JECFA’s publicly searchable specifications could not be confirmed with available authoritative sources. Consequently, formal international numeric references such as INS or E numbers are not assigned here. Absence of an International Numbering System (INS) entry in widely referenced databases means that this ingredient’s recognition outside the U.S. may rely on local food additive inventories and flavoring agent lists maintained by national regulators. Without a clear international regulatory monograph available in public databases at this time, its global regulatory acceptance depends on compliance with local food law frameworks and ingredient listings.

Taste And Functional Properties

The taste properties of YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.) reflect its botanical origin and complex mixture of naturally occurring compounds. Botanical extracts often contribute nuanced sensory notes that may be described as earthy, slightly sweet, or subtly herbaceous, although detailed sensory profiles for this specific substance are not widely published in scientific literature. When used in food formulations, such flavoring agents are blended with other extracts and compounds to create balanced flavor profiles that appeal to consumers. Functionally, the extract’s stability under typical food processing conditions is influenced by its composition and the matrix in which it is used. Heat, pH, and interactions with other ingredients can modulate perceived flavor intensity, and formulators design recipes to accommodate these factors. As with many natural flavoring substances, solubility in water or lipid phases determines how effectively it integrates into beverages, sauces, confections, or bakery items. The propellant designation signals a technical property rather than a taste attribute, implying a role in facilitating the efficient application or release of flavor compounds within specific delivery systems. For example, certain extracts are formulated in carriers that allow for uniform distribution in aerosols or sprays. In encapsulated flavors, components that assist release at the point of consumption can enhance sensory impact. Overall, the functional properties of this botanical when used in foods align with broader expectations for flavoring agents: contributing complexity, supporting consistency, and maintaining performance under processing and storage conditions.

Acceptable Daily Intake Explained

An Acceptable Daily Intake (ADI) is a risk assessment concept used by food safety bodies to define a daily intake level over a lifetime that is not expected to pose a health concern based on available toxicology data. ADIs are typically expressed in milligrams of substance per kilogram of body weight per day. For many substances, regulators such as JECFA or EFSA derive numeric ADIs when sufficient toxicological data are available. However, in the case of YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.), no authoritative numeric ADI value was found in primary regulatory databases at the time of compiling this reference. This means that a specific mg/kg-day threshold supported by toxicology data from these bodies could not be included. When numeric ADI values are not established, regulatory frameworks such as 21 CFR 172.510 instead focus on conditional safe use provisions: the substance must be used in the minimum amount required to achieve the intended technical effect and within good manufacturing practice guidelines. This implicitly accommodates safety by limiting exposure through controlled addition levels rather than defining a numeric ADI. For consumers and formulators, the absence of a numeric ADI does not imply a safety concern; rather, it reflects the regulatory approach for certain classes of natural flavoring substances where traditional use, compositional complexity, and technical function support safe use without quantified exposure thresholds. Understanding ADI in general terms can help contextualize why numeric values are established for some additives but not all. ADIs are derived when sufficient toxicology studies provide clear dose-response relationships, often including chronic toxicity, reproductive toxicity, and carcinogenicity data. For botanical extracts with long-standing use and low exposure levels typical in flavor applications, authorities may apply a different regulatory pathway emphasizing qualitative safety criteria and conditional use standards.

Comparison With Similar Additives

Comparing YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.) with other natural flavoring additives illustrates how flavor botanicals are grouped by regulatory treatment and functional role. Natural botanical extracts such as citrus peel oil, vanilla bean extract, and rosemary extract are also listed under flavoring agent regulations in various jurisdictions and share the characteristic of contributing complex organoleptic notes rather than acting as primary sweeteners or preservatives. Like this Yucca extract, these other botanical extracts are often used at low levels to achieve nuanced sensory contributions and are subject to conditions of good manufacturing practice. In contrast, single-compound flavoring agents such as vanillin or menthol have well-defined chemical identities with detailed sensory descriptors and often have specific analytical standards. Botanical extracts are inherently mixtures of many compounds, and this complexity affects how they integrate into flavor systems. Compared to synthetic flavoring agents designed to deliver a single dominant sensory note, botanical substances provide layered impressions that can support broad sensory profiles in foods. Another comparison is with plant-derived flavor enhancers such as ginger extract or cinnamon bark oil. These are also natural extracts permitted under relevant flavoring regulations and contribute distinctive taste and aroma profiles. The regulatory frameworks treat these botanical materials similarly: permitted under conditions of safe use with an emphasis on minimal effective levels. Through these comparisons, it is clear that YUCCA, JOSHUA-TREE fits into the broader category of natural botanical flavoring substances that complement primary flavor drivers in foods rather than serve as dominant taste compounds.

Common Food Applications Narrative

YUCCA, JOSHUA-TREE (YUCCA BREVIFOLIA ENGELM.) finds its way into a variety of food products where natural flavor enhancement is desired. In common practice, such botanical extracts are incorporated into systems where subtle complexity and depth of flavor contribute to overall sensory appeal. Examples include flavored beverages where natural botanical nuances support primary fruit or spice notes, savory sauces where herbal layers enrich the dominant taste components, and confectionery items where unique tastants help differentiate product profiles from competitors. In dairy and dairy-alternative products, natural flavoring agents are often used to round out and balance inherent tastes. Botanical extracts can support herbal or floral undertones that complement fruit inclusions, chocolate notes, or spice blends. Similarly, in baked goods, small amounts of plant-derived flavoring agents help amplify characteristic aromas that consumers associate with quality and freshness when combined with standard ingredients such as vanilla, cinnamon, or citrus zests. Functional beverage categories such as ready-to-drink teas and enhanced water products also commonly include natural flavoring agents to achieve clean, recognizable sensory impressions without reliance on artificial flavors. Here, a botanical extract like this can add a layer of interest to otherwise straightforward flavor profiles. Because these applications emphasize natural ingredient lists, botanical extracts regulated as natural flavoring substances under applicable food additive rules are suitable when used within authorized conditions and good manufacturing practices. In sauces and dressings, natural flavorings contribute to complexity without overwhelming primary taste drivers like vinegar, herbs, or spices. Across these categories, the unifying theme is the use of plant-derived flavoring to support holistic sensory experiences that align with consumer expectations for quality and naturalness.

Safety & Regulations

FDA

  • Approved: True
  • Regulation: 21 CFR 172.510

EFSA

  • Notes: No authoritative EFSA listing with numeric ADI found

JECFA

  • Notes: No specific JECFA entry with numeric ADI or year found

Sources

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