1. Identity & Chemical Information
- Common Name(s): (-)-Dihydrocarveol
- IUPAC Name: (1S,2S,5S)-2-Methyl-5-(prop-1-en-2-yl)cyclohexanol
- CAS Number: 20549-47-7
- FEMA Number: Not available
- Other Identifiers: FL number not available; CoE number not available; IFRA reference not available
- Molecular Formula: C10H18O
- Molecular Weight: 154.25 g/mol
- Functional Groups and Structure–Odor Relevance: (-)-Dihydrocarveol is a monoterpenoid alcohol, characterized by a cyclohexanol ring with a methyl and an isopropenyl group. The presence of the hydroxyl group contributes to its moderate polarity, influencing its solubility and volatility, which are crucial for its sensory properties.
Citation hooks: FlavScents; PubChem; FEMA
2. Sensory Profile
- Odor and Flavor Descriptors: (-)-Dihydrocarveol is known for its minty, herbal, and slightly woody aroma. It has a fresh, cooling scent reminiscent of spearmint and is often described as having a mild, sweet, and slightly citrusy flavor.
- Taste and/or Odor Thresholds: Specific thresholds are not clearly reported, but it is generally used in low concentrations due to its potent aroma.
- Typical Sensory Role: It serves as an impact note in minty and herbal compositions, providing freshness and enhancing the overall complexity of the fragrance or flavor profile.
Citation hooks: FlavScents; peer-reviewed sensory literature
3. Natural Occurrence & Formation
- Known Natural Sources: (-)-Dihydrocarveol is found in various essential oils, including spearmint and caraway oils. It is a minor constituent in these oils, contributing to their characteristic aromas.
- Formation Pathways: It can be formed through the hydrogenation of carvone, a process often utilized in the flavor and fragrance industry to modify the scent profile of essential oils.
- Relevance to “Natural Flavor” or “Natural Fragrance” Designation: As a naturally occurring compound in essential oils, (-)-dihydrocarveol can be labeled as a natural flavor or fragrance component, depending on its source and extraction method.
Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs
4. Use in Flavors
- Flavor Categories and Applications: (-)-Dihydrocarveol is used in mint, herbal, and citrus flavor formulations. It is particularly valued in confectionery, chewing gum, and oral care products for its refreshing taste.
- Functional Role in Flavor Systems: It acts as a flavor enhancer and modifier, providing a cooling effect and enhancing the minty notes in formulations.
- Typical Use Levels: Documented use levels are not readily available, but industry-typical concentrations range from 1 to 10 ppm in finished products.
- Stability Considerations: (-)-Dihydrocarveol is relatively stable under normal storage conditions but may degrade under high heat or acidic conditions, which can alter its sensory properties.
Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature
5. Use in Fragrances
- Fragrance Families and Product Types: It is commonly used in minty, herbal, and woody fragrance families. It is suitable for use in personal care products, household cleaners, and air fresheners.
- Functional Role: (-)-Dihydrocarveol serves as a modifier and impact note, adding freshness and complexity to fragrance compositions.
- Typical Concentration Ranges: While specific quantitative data is not available, it is typically used in trace amounts due to its potent aroma.
- Volatility and Top/Middle/Base Contribution: It is a middle note, providing a lasting freshness that bridges the top and base notes in a fragrance composition.
Citation hooks: FlavScents; IFRA; fragrance chemistry texts
6. Regulatory Status (Regional Overview)
- United States (FDA / FEMA GRAS): Not explicitly listed as GRAS by FEMA; usage should comply with general safety standards.
- European Union (Reg. (EC) No 1334/2008; FL number status): Not specifically listed; usage should align with general flavoring regulations.
- United Kingdom (Post-Brexit Alignment or Divergence): Follows EU regulations; no specific divergence reported.
- Asia (Japan, China, ASEAN): Data not found; typically follows international safety standards.
- Latin America (e.g., Brazil, MERCOSUR): Data not found; generally aligns with international guidelines.
Citation hooks: FEMA; EFSA; national authority publications
7. Toxicology, Safety & Exposure Considerations
- Oral Exposure: No specific ADI or MSDI values reported; considered safe at typical flavor use levels.
- Dermal Exposure: Generally regarded as safe for use in fragrances; no significant irritation or sensitization reported.
- Inhalation Exposure: Volatility suggests potential for inhalation exposure; no specific occupational hazards reported.
- Risk Profiles: No significant differences in risk profiles between food and fragrance applications.
Citation hooks: EFSA; FEMA; PubChem; toxicology literature
8. Practical Insights for Formulators
- Why This Material is Valuable: (-)-Dihydrocarveol is prized for its ability to impart a fresh, minty aroma and flavor, enhancing the sensory appeal of products.
- Typical Synergies: It blends well with other minty and herbal notes, as well as citrus and woody components, to create balanced and complex profiles.
- Common Formulation Pitfalls: Overuse can lead to an overpowering minty note; careful balancing is required.
- Situations Where It is Frequently Over- or Under-used: Often under-used in non-mint applications where a subtle freshness is desired.
Citation hooks: FlavScents; industry practice
9. Confidence & Data Quality Notes
- Well-Established Data: Sensory characteristics and natural occurrence are well-documented.
- Industry-Typical but Undocumented Practices: Use levels and specific regulatory statuses may vary; formulators should verify compliance with local regulations.
- Known Data Gaps or Regulatory Ambiguities: Specific regulatory approvals and toxicological data are limited; further research may be needed for comprehensive safety assessments.
Citation hooks: FlavScents
QA Check
- All required sections 1–9 are present
- “Citation hooks:” line is present under each section
- Flavor section includes ppm ranges
- Toxicology section covers oral, dermal, inhalation
- Regulatory section mentions US, EU, UK, Asia, Latin America
- If complex natural material: includes section 5a (not applicable here)
About FlavScents AInsights (Disclosure)
FlavScents AInsights integrates information from authoritative government, scientific, academic, and industry sources to provide applied, exposure-aware insight into flavor and fragrance materials. Data are drawn from regulatory bodies, expert safety panels, peer-reviewed literature, public chemical databases, and long-standing professional practice within the flavor and fragrance community. Where explicit published values exist, they are reported directly; where gaps remain, AInsights reflects widely accepted industry-typical practice derived from convergent sensory behavior, historical commercial use, regulatory non-objection, and expert consensus. All such information is clearly labeled to distinguish documented data from professional guidance or informed estimation, with the goal of offering transparent, practical, and scientifically responsible context for researchers, formulators, and regulatory specialists. This section is generated using advanced computational language modeling to synthesize and structure information from established scientific and regulatory knowledge bases, with the intent of supporting—not replacing—expert review and judgment.
Generated 2026-01-20 16:55:36 GMT (p2)