CINNAMON BARK, OIL (CINNAMOMUM SPP.)

CAS: 8007-80-5 FLAVORING AGENT OR ADJUVANT

Cinnamon bark oil is a natural essential oil derived from the bark of Cinnamomum species used as a flavoring agent in foods and beverages, recognized under essential oils classifications in FDA regulations.

What It Is

Cinnamon bark oil is a concentrated natural essential oil obtained from the bark of trees in the genus Cinnamomum, primarily Cinnamomum cassia and related species. It is widely used in the food industry as a flavoring agent or adjuvant to impart a warm, spicy, characteristic cinnamon aroma and taste in a range of culinary applications. The chemical identity of this substance is catalogued under the Chemical Abstracts Service (CAS) number 8007-80-5, linking it unambiguously to cinnamon bark oil across scientific and regulatory databases. Within the industry and regulatory frameworks, cinnamon bark oil is classified among essential oils, oleoresins, and natural extractives recognized as safe for intended use in accordance with the U.S. Food and Drug Administration (FDA) general provisions on substances that are generally recognized as safe when used in food. These essential oils are distinguished from synthetic flavorings by their botanical origin and complex mixture of naturally occurring volatile organic compounds. Cinnamon bark oil’s role as a flavoring agent means it is not a nutrient or preservative in itself but contributes sensory properties that enhance consumer acceptance of various foods. The composition of cinnamon bark oil can vary depending on the species of Cinnamomum from which it is derived, as well as factors such as geographical origin and processing method. Major constituents typically include cinnamaldehyde, among other aromatic compounds, which are responsible for the oil’s characteristic sensory profile. Because it is a complex natural mixture, regulatory and safety evaluations often consider both the whole oil and its individual major components.

How It Is Made

The production of cinnamon bark oil typically involves the steam distillation of the inner bark of trees from the genus Cinnamomum. Steam distillation is the preferred method for essential oil extraction because it allows volatile compounds to be separated from plant matter without subjecting them to high temperatures that could degrade sensitive aromatic constituents. In this process, steam is passed through shredded cinnamon bark, carrying volatile oil components into a condenser where steam and oil are cooled and then separated based on differences in density. Commercial producers ensure that the distillation process is optimized to maximize yield and preserve the organoleptic qualities of the oil, such as its characteristic spicy and warm aroma. After distillation, the oil may undergo further purification or quality checks to remove impurities and to comply with applicable food flavoring specifications. The resulting oil is typically a pale yellow to amber liquid with intense aroma and flavor properties. These processing steps align with good manufacturing practices in the flavor and food ingredients industry, where consistency and quality of botanically derived essential oils are critical. Cinnamon bark oil is sometimes blended or diluted with neutral carriers for easier handling in industrial applications, but food-grade preparations are subject to regulatory specifications that govern purity and identity. Although the relative concentrations of individual chemical constituents can vary naturally, food manufacturers often standardize their use of cinnamon bark oil based on sensory performance and ingredient specifications documented by flavor industry organizations and regulatory authorities. This approach helps ensure that the oil performs reliably in final food products without adversely affecting safety or quality.

Why It Is Used In Food

Cinnamon bark oil is used in food primarily for its sensory contribution, adding a distinct warm, spicy, and aromatic profile that is associated with cinnamon flavor. This makes it valuable in a wide array of food products where a cinnamon note is desired, such as baked goods, confectionery, beverages, and desserts. In formulation contexts, essential oils like cinnamon bark oil serve as flavoring agents that can enhance or balance other ingredients, contributing to a characteristic taste that aligns with consumer preferences. In addition to its flavor impact, cinnamon bark oil can interact with other ingredients in complex food matrices. For instance, its volatile compounds may complement sweet or spicy profiles, enhancing overall palatability. Because it is a botanical extract, it is often sought after in products labeled as natural or clean label, aligning with current market trends that emphasize recognizable ingredient origins. Manufacturers value cinnamon bark oil for its ability to deliver strong flavor with relatively small usage levels, making it efficient in formulation. Beyond taste, cinnamon bark oil can sometimes be selected for its compatibility with other flavor systems. In multi-ingredient applications such as spice blends or flavored beverages, the oil’s aromatic properties can bridge complementary notes from other botanicals or sweeteners. While its primary role is not as a preservative or functional additive, the perception of spiciness and warmth can also contribute to the sensory complexity of products, making it a versatile ingredient in culinary and industrial food applications.

Adi Example Calculation

Because specific acceptable daily intake values for cinnamon bark oil as a whole have not been established by international expert committees or published in accessible regulatory monographs, illustrative calculations using hypothetical ADI values are not included here. This reflects the context in which certain complex natural flavoring agents are not assigned numeric ADI values when regulatory frameworks recognize their safety for intended use at standard usage levels in food products. An illustrative calculation would typically involve multiplying a hypothetical ADI by body weight to estimate a lifetime safe intake. For example, an ADI might be expressed in milligrams per kilogram of body weight per day, and multiplying this by an individual’s body weight would yield a daily intake amount that is considered safe. However, for cinnamon bark oil itself, in the absence of a defined numeric ADI, such calculations are not appropriate. Instead, the focus in formulation and regulatory practice is on ensuring that usage levels are consistent with flavoring function and do not exceed concentrations typical in food products. This approach underscores the principle that regulatory safety assessments balance scientific evidence with practical usage considerations. When substances like cinnamon bark oil are recognized as safe for their intended purpose within broader regulatory categories, detailed numeric ADIs for the whole oil are not required provided that good manufacturing practice is followed. This helps ensure consumer safety without imposing unnecessary numerical limits on flavoring ingredients.

Safety And Health Research

Safety evaluations of flavoring agents like cinnamon bark oil typically focus on the overall toxicological profile of the oil and its major constituents. Because cinnamon bark oil is a complex mixture of naturally occurring organic compounds, safety assessments consider potential hazards associated with both individual constituents and the mixture as a whole. Regulatory authorities and expert committees evaluate data on acute toxicity, irritation potential, and longer-term toxicological endpoints to inform guidance on safe usage in food products. One component often associated with cinnamon bark oil is cinnamaldehyde, which contributes to flavor. Studies on cinnamaldehyde and related compounds assess sensory irritation potential and metabolic pathways, informing safety guidelines. Because essential oils can exhibit irritant properties at high concentrations when applied topically or inhaled, their use in food is carefully controlled through formulation and usage levels. The safety of cinnamon bark oil in food is contingent on its use at levels consistent with flavoring function, rather than as a primary ingredient. While there is research on components related to cinnamon and cassia bark, such as coumarin, which has regulatory limits in certain foods due to potential toxicological concerns when consumed in large amounts, the scope of safety evaluations for cinnamon bark oil as a flavoring agent in food focuses on its overall risk profile in typical usage scenarios. Safety research encompasses considerations of exposure from food consumption, metabolic processing of compounds in the oil, and relevant data from toxicological studies. These evaluations aim to ensure that the use of cinnamon bark oil in food does not pose undue risk to consumers when used within established food formulation practices.

Regulatory Status Worldwide

In the United States, cinnamon bark oil is included under the FDA’s Code of Federal Regulations, specifically within the list of essential oils, oleoresins, and natural extractives that are generally recognized as safe (GRAS) for their intended use as flavoring agents. This inclusion is articulated in the section of 21 CFR 182.20, which enumerates substances recognized as safe when used in food in accordance with good manufacturing practices. This regulatory framework means that cinnamon bark oil can be used as a flavoring substance in food products without specific numerical limits, subject to appropriate usage levels consistent with its function as a flavoring agent and good manufacturing practice principles. The regulatory recognition supports the use of cinnamon bark oil in a broad range of food applications. At the international level, flavoring agents such as cinnamon bark oil are evaluated through organizations like the Joint FAO/WHO Expert Committee on Food Additives (JECFA), which provides scientific advice on the safety and specifications for food additives and flavorings. Although specific additive evaluations and acceptable daily intake values for cinnamon bark oil itself may not be published in the accessible JECFA flavoring specifications database at this time, the general framework for flavoring evaluations exists to support risk assessment and regulatory alignment in various regions. The presence of a searchable international database for flavoring specifications indicates ongoing efforts to document additives that undergo safety evaluation by international expert bodies. Different jurisdictions may implement additional requirements or guidelines for the use of cinnamon bark oil in food, including labeling and purity specifications. National and regional food safety authorities often reference international evaluations and scientific evidence when developing their own policies. These regulatory considerations ensure that cinnamon bark oil, like other flavoring agents, is used in food products in a manner that is consistent with consumer safety and transparent ingredient disclosure across markets.

Taste And Functional Properties

Cinnamon bark oil exhibits a strong and complex sensory profile characterized by warm, sweet, and spicy notes that are recognizable as cinnamon-like. These sensory attributes are largely due to key chemical constituents such as cinnamaldehyde and related volatile compounds. At appropriate usage levels, the oil imparts a pronounced flavor that can be perceived even in complex food systems, making it a potent flavoring agent. Because it is a natural essential oil, it retains the nuanced aromatic qualities of cinnamon bark that are often sought in culinary applications. From a functional perspective, cinnamon bark oil is largely valued for its contribution to flavor rather than for technological effects such as preservation, emulsification, or texture modification. However, due to the lipophilic nature of essential oils, the oil is typically incorporated into products in a manner that ensures even distribution within lipid-rich phases or using appropriate solubilization techniques. This functional behavior influences formulation decisions, particularly in emulsified systems like beverages or confectionery fillings, where proper dispersion of the oil is important for consistent flavor perception. The stability of cinnamon bark oil can be influenced by factors such as temperature and exposure to oxygen. While it can withstand typical processing conditions in many foods, prolonged heating or improper storage may lead to volatility loss or changes in the aromatic profile. Therefore, manufacturers often consider the timing and method of addition during processing to retain optimal sensory impact. The oil’s interactions with other food components, such as sugars and proteins, can also modulate flavor perception, contributing to the overall complexity of the final product.

Acceptable Daily Intake Explained

An acceptable daily intake (ADI) is a science-based reference value that estimates the amount of a substance that can be consumed daily over a lifetime without appreciable risk to health. ADIs are typically established by expert regulatory bodies based on toxicological data, including studies on metabolism, repeated-dose toxicity, and other relevant endpoints. Flavoring agents such as cinnamon bark oil may be evaluated within the context of their chemical constituents and historical consumption patterns to determine whether an ADI is warranted. In many cases for complex essential oils used as flavoring agents, specific ADIs may not be established for the whole oil, particularly when usage levels in food are low and consistent with good manufacturing practice. Instead, regulatory frameworks such as those in the United States rely on the recognition of safety based on historical use, compositional understanding, and expert evaluation. When a specific ADI is not defined for an additive, regulatory recognition as generally recognized as safe for intended use provides assurance that exposure at typical usage levels is not expected to pose health concerns. It is important to understand that an ADI is not a recommended intake level but rather a conservative estimate for risk assessment. ADIs take into account uncertainty factors to ensure safety across diverse populations. For cinnamon bark oil, when ADI values are not explicitly established, the principles of good manufacturing practice and regulatory recognition as a safe flavoring agent help guide its use in food products in a manner that maintains exposure well within established safety margins.

Comparison With Similar Additives

Cinnamon bark oil can be compared with other botanical flavoring agents that are used to impart characteristic sensory profiles in food products. For example, vanilla extract, another essential oil-derived flavoring, provides a sweet and creamy aroma and taste that is widely used in bakery, confectionery, and beverage applications. While both cinnamon bark oil and vanilla extract are natural flavorings, their sensory profiles and functional uses differ, with cinnamon bark oil offering a warm spicy note and vanilla extract contributing sweet and floral nuances. Another comparable additive is clove oil, which, like cinnamon bark oil, is a volatile essential oil obtained from a botanical source. Clove oil delivers a strong, pungent flavor and is used in specific culinary contexts such as baked goods and spice blends. Both clove oil and cinnamon bark oil require careful formulation due to their intense sensory impact, but they differ in aromatic character and traditional usage contexts. A third example is citrus oil, such as orange or lemon oil, which imparts bright, fruity notes in foods and beverages. Unlike cinnamon bark oil, citrus oils contribute fresh, zesty flavors and are often used in products where a light, refreshing profile is desired. These comparisons illustrate how different natural flavoring agents fulfill distinct sensory roles in food formulation, with cinnamon bark oil uniquely contributing warm and spicy characteristics to a range of culinary applications.

Common Food Applications Narrative

Cinnamon bark oil finds application across a wide range of food categories where a distinctive cinnamon flavor is desired. In bakery products, it can be used to enhance the aromatic profile of sweet breads, cookies, and pastries, contributing to the appealing sensory characteristics that consumers associate with cinnamon-spiced treats. When incorporated into confectionery items such as hard candies, toffees, or chocolate confections, the oil delivers a concentrated flavor that complements sugar and cocoa notes, providing a warm and familiar taste profile. In beverage applications, cinnamon bark oil can be used to flavor teas, coffees, and seasonal drinks where a spicy and warming note is desirable. Its intensity means that only small quantities are needed to achieve the desired flavor, making it efficient in production. Beyond traditional sweet and baked goods, cinnamon bark oil may be included in flavored dairy products, sauces, syrups, and marinades, bringing depth and complexity to diverse culinary formulations. The oil’s ability to blend with both sweet and savory elements allows product developers to explore creative uses in emerging food concepts. Because it is a concentrated flavoring agent, food technologists typically calibrate its usage based on sensory testing and product specifications to ensure consistency. The inclusion of cinnamon bark oil in products aligns with consumer expectations for warm, spiced flavors, particularly in seasonal items or products marketed with natural spice profiles. This broad applicability across food categories demonstrates the versatility of cinnamon bark oil as a flavoring ingredient that can elevate taste experiences in multiple culinary contexts.

Safety & Regulations

FDA

  • Notes: Included in the list of essential oils generally recognized as safe but no formal approval status beyond GRAS listing is explicitly provided in the d regulation.
  • Regulation: 21 CFR 182.20

EFSA

  • Notes: Specific EFSA approval or numeric ADI for cinnamon bark oil as a food additive was not identified in the authoritative sources.

JECFA

  • Notes: JECFA specifications database acknowledges flavoring evaluations but does not provide a specific numeric ADI for cinnamon bark oil in the accessible records.

Sources

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