BORNYL VALERATE
Bornyl valerate is a synthetic flavoring substance listed in the FDA flavoring additives inventory and evaluated by the Joint FAO/WHO Expert Committee on Food Additives for its use as a flavouring agent.
What It Is
Bornyl valerate is a chemical compound used in the food industry primarily as a flavoring agent or adjuvant. It appears in regulatory listings such as the FDA’s Substances Added to Food (formerly EAFUS) database with CAS Registry Number 7549-41-9 and is identified by multiple synonymous chemical names. Bornyl valerate belongs to a class of bicyclic esters that contribute flavor characteristics when added to food products and are evaluated for safety by expert committees. The compound is described in chemical databases as having a characteristic woody or camphoraceous odor, aligning with its use in flavor formulations to impart subtle aromatic notes. Its listing in flavoring inventories identifies it as part of the broader catalogue of synthetic flavoring substances permitted for use under certain regulatory conditions. As a flavoring agent, bornyl valerate functions to enhance or modify sensory characteristics of food, often in combination with other flavor compounds. It is not a nutrient or staple food ingredient but rather a specialized additive evaluated for food use with recognition in several regulatory inventories, reflecting its established role in food formulation and processing.
How It Is Made
Bornyl valerate is typically synthesized through an esterification reaction involving bornyl alcohol (a bicyclic terpene-derived alcohol) and a valeric acid derivative. In such reactions, the hydroxyl group of bornyl alcohol reacts with the carboxyl group of the acid under controlled conditions to form the ester linkage characteristic of bornyl valerate. The resulting product is a clear, often colorless liquid that can be purified and isolated using standard techniques for flavor chemical production. Manufacturers producing flavoring compounds like bornyl valerate generally operate under industrial-scale organic synthesis protocols designed to achieve high purity and consistent quality suitable for use in food applications. Purification steps may include distillation and filtration to remove byproducts and unreacted starting materials. Quality control and compliance with food additive specifications are essential components of producing bornyl valerate for food use. This includes adherence to identity and purity criteria set by regulatory bodies or expert committees, ensuring that the material meets established standards before incorporation into food formulations.
Why It Is Used In Food
Bornyl valerate is used in food products for its ability to contribute specific sensory characteristics, particularly woody, herbaceous, or camphor-like notes that complement other flavor components. Flavor chemists incorporate substances like bornyl valerate to adjust the overall profile of a product, enhancing complexity or reinforcing desired aromatic qualities. As a flavoring agent, bornyl valerate is employed in minute quantities, consistent with the principle of using the minimum amount necessary to achieve its intended effect. This practice aligns with regulatory frameworks that permit synthetic flavoring substances when used according to good manufacturing practices. The compound's technical function as a flavoring agent or adjuvant means it supports other flavor substances in achieving balanced sensory perception. It may be found in complex flavor blends where the interaction of multiple compounds results in a final product that meets consumer expectations for aroma and taste.
Regulatory Status Worldwide
In the United States, bornyl valerate is listed in the FDA’s Substances Added to Food inventory (formerly EAFUS) with the technical effect of a flavoring agent or adjuvant, and its use falls under the provisions of 21 CFR 172.515, which governs synthetic flavoring substances and adjuvants permitted for direct addition to food when used in accordance with good manufacturing practices. This listing indicates recognition for use but does not in itself establish a numerical safety limit; rather, conditions of use are defined by regulatory principles focused on minimal quantities necessary for intended effect. 172.515 is the specific regulation section that includes bornyl valerate in the list of synthetic flavoring substances and adjuvants. Internationally, bornyl valerate is evaluated by the Joint FAO/WHO Expert Committee on Food Additives (JECFA) as a flavouring agent under JECFA number 1392, with an evaluation concluding that there is no safety concern at current levels of intake when used as a flavouring agent. This assessment, reported in the WHO JECFA evaluations, reflects the committee’s review of available toxicological and exposure data to support its safety conclusion. Another analogous substance category includes simple ester flavoring agents like ethyl butyrate or methyl valerate, which provide fruity or sweet aromatic nuances and are permitted under similar regulatory frameworks. While their sensory profiles differ from bornyl valerate, the regulatory approach of assessing exposure relative to safety evaluations is consistent across these flavoring agents. The comparison underscores the diversity of flavoring agents in food formulation: some provide fruity notes, while others like bornyl valerate provide woody or herbaceous accents. Regulatory acceptance and safety evaluation depend on both the compound’s sensory role and toxicological data supporting its use at typical exposure levels.
Taste And Functional Properties
Bornyl valerate is characterized by flavor and aroma notes described as woody, herbaceous, and slightly camphoraceous. These sensory properties make it useful in flavor formulations where a subtle, naturalistic complexity is desired, particularly in savory or botanical-style flavor profiles. The functional behavior of bornyl valerate in food systems is similar to many volatile flavor esters: it can contribute to the aroma profile without significantly altering the nutritive or physical properties of the food. It is typically soluble in organic phases such as oils or alcohol-based flavor carriers and is used in quantities consistent with its sensory potency. In practical applications, bornyl valerate does not impart significant sweetness, acidity, or impact on texture, focusing its influence on the aromatic dimensions of flavor. Its persistence and volatility properties mean it is selected for specific roles where a long-lasting aromatic impression or top-note contribution is desired.
Safety & Regulations
FDA
- Notes: Listed in the FDA flavoring inventory under the d CFR section; specific numeric regulatory approval details beyond listing not verified.
- Regulation: 21 CFR 172.515
EFSA
- Notes: No EFSA evaluation with an explicit E number or numeric ADI identified in available regulatory sources.
JECFA
- Year: 2004
- Notes: JECFA concluded no safety concern at current intake levels; numerical ADI not established.
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