What is Cinnamyl Isobutyrate?
Cinnamyl isobutyrate is a synthetic ester compound classified as a flavoring agent. It consists of cinnamyl alcohol esterified with isobutyric acid, creating a volatile aromatic molecule. The compound has the molecular formula C13H16O2 and CAS number 103-59-3. As a synthetic flavoring, it does not occur naturally but is chemically synthesized for use in the food industry.
Common Uses
Cinnamyl isobutyrate is utilized primarily in the flavor industry as a flavoring agent or flavor adjuvant. It appears in formulations for:
- Baked goods and bakery products
- Beverages, including soft drinks and flavored waters
- Confectionery items
- Dairy products such as yogurts and flavored milk
- Processed snack foods
The compound is typically used in very small quantities—often measured in parts per million (ppm)—to achieve the desired flavor intensity. Its cinnamon and fruity characteristics make it useful for creating complex flavor profiles in food applications.
Safety Assessment
Cinnamyl isobutyrate has not been formally petitioned or approved by the FDA as a Generally Recognized as Safe (GRAS) substance, though this does not necessarily indicate a safety concern. The absence of GRAS status may reflect limited commercial history or lack of formal petition submission rather than evidence of harm.
Key safety considerations include:
**FDA Adverse Events**: Zero reported adverse events associated with cinnamyl isobutyrate have been documented in FDA databases.
**Recalls**: No FDA-recorded recalls involving cinnamyl isobutyrate have been issued, indicating no identified safety issues in commercial use.
**Usage Levels**: The flavor industry typically operates under the premise that flavorings are used in minimal quantities. The Flavor and Extract Manufacturers' Association (FEMA) maintains standards for safe usage levels of flavor compounds, though specific data on this compound should be verified with flavor suppliers.
**Chemical Structure**: As an ester of cinnamyl alcohol and isobutyric acid, the compound's safety profile relates to both components. Cinnamyl alcohol is recognized as a flavoring substance in various regulatory frameworks, and isobutyric acid is a naturally occurring compound found in foods.
Regulatory Status
Cinnamyl isobutyrate operates in a regulatory environment that varies by jurisdiction:
- **United States**: Not on the FDA's GRAS list, but permitted for use as a flavoring agent under FDA regulations (21 CFR 182.60) that allow synthetic flavoring substances not specifically listed if they are safe at intended use levels.
- **European Union**: May be listed under food flavor regulations, though specific approval status should be confirmed with EFSA or national authorities.
- **Other Jurisdictions**: Regulatory status varies; manufacturers should verify compliance in target markets.
Flavor compounds in the United States are subject to FDA oversight, and manufacturers are responsible for ensuring safety and compliance with applicable regulations. Many synthetic flavorings operate under this framework without formal GRAS affirmation.
Key Studies
Limited published literature exists specifically on cinnamyl isobutyrate toxicity. Safety assessments of flavor compounds typically rely on:
- Structural analog data from related cinnamyl esters
- In vitro and animal toxicity studies conducted by flavor manufacturers
- Historical use data and absence of adverse reports
- Standards established by flavor industry organizations such as FEMA
The flavor industry's lack of reported safety concerns regarding this compound, combined with zero FDA adverse event reports and zero recalls, suggests it has an adequate safety margin at typical use levels in food applications.
Manufacturers and regulatory bodies monitor flavor compound safety continuously, and any emerging evidence would inform future regulatory decisions.