FlavScents AInsights Entry for Spearmint Oil (CAS: 8008-79-5)
1. Identity & Chemical Information
Spearmint oil, also known as Mentha spicata oil, is a natural complex material derived from the leaves of the spearmint plant. It is not a single chemical compound but a mixture of various constituents. The CAS number for spearmint oil is 8008-79-5. It does not have a specific FEMA number as it is a complex mixture. Other identifiers include its FL number and CoE number, which are used in flavor and fragrance regulations. The composition of spearmint oil can vary significantly depending on its geographical origin, harvest time, and processing methods. Key functional groups in spearmint oil include alcohols, ketones, and esters, which contribute to its characteristic minty aroma.
Citation hooks: FlavScents; PubChem; FEMA
2. Sensory Profile
Spearmint oil is characterized by its fresh, minty, and slightly sweet aroma, which is less intense and more subtle compared to peppermint oil. It is often described as having a green, herbaceous note with a hint of fruity undertones. The oil is used as an impact note in flavor formulations, providing a refreshing and cooling sensation. The odor threshold for spearmint oil is relatively low, making it effective even at small concentrations. It is commonly used to impart a natural minty flavor in various food and beverage products.
Citation hooks: FlavScents; peer-reviewed sensory literature
3. Natural Occurrence & Formation
Spearmint oil is naturally sourced from the leaves of the Mentha spicata plant, which is cultivated in various regions worldwide, including the United States, India, and China. The oil is obtained through steam distillation of the fresh or partially dried leaves. Spearmint oil is considered a natural flavor and fragrance material, aligning with consumer preferences for natural ingredients. The formation of its characteristic aroma compounds occurs through enzymatic processes within the plant, which are influenced by environmental factors and cultivation practices.
Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs
4. Use in Flavors
Spearmint oil is widely used in flavor applications, particularly in confectionery, chewing gum, oral care products, and beverages. It serves as a primary flavoring agent, providing a refreshing minty taste. Typical use levels in finished products range from 10 to 100 ppm, depending on the desired intensity and product type. Spearmint oil is generally stable under typical processing conditions, but it may degrade under prolonged exposure to heat and light, which can affect its flavor profile.
Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature
5. Use in Fragrances
In the fragrance industry, spearmint oil is used in a variety of product types, including personal care products, household cleaners, and air fresheners. It is often employed as a top note due to its high volatility and fresh, uplifting aroma. Spearmint oil can act as a modifier or impact note, enhancing the freshness and naturalness of fragrance compositions. Typical concentration ranges in fragrance formulations vary, but it is often used at levels below 1% to avoid overpowering other components.
Citation hooks: FlavScents; IFRA; fragrance chemistry texts
5a. Key Constituents (Typical)
Spearmint oil typically contains several key constituents, including carvone, limonene, and menthone. Carvone is the primary component, contributing to the oil's distinctive minty aroma. The composition of spearmint oil can vary based on factors such as geographic origin and extraction method. It is important for formulators to verify the specific composition of the oil they are using to ensure consistency and quality in their products.
Citation hooks: FlavScents; peer-reviewed literature; authoritative industry references
6. Regulatory Status (Regional Overview)
In the United States, spearmint oil is generally recognized as safe (GRAS) for use in food products by FEMA. In the European Union, it is regulated under Regulation (EC) No 1334/2008 and has an assigned FL number. The United Kingdom follows similar regulations post-Brexit. In Asia, countries like Japan and China have specific guidelines for the use of natural flavoring substances, including spearmint oil. In Latin America, regulations may vary, but spearmint oil is commonly used in compliance with local standards.
Citation hooks: FEMA; EFSA; national authority publications
7. Toxicology, Safety & Exposure Considerations
Spearmint oil is considered safe for use in food and fragrance applications when used within recommended levels. For oral exposure, the acceptable daily intake (ADI) is not specifically established, but it is used within industry-typical levels. Dermal exposure in fragrance applications is generally safe, although it may cause irritation or sensitization in sensitive individuals. Inhalation exposure is typically low risk, but occupational exposure should be managed to prevent respiratory irritation. The risk profiles for food and fragrance applications are generally similar, with safety ensured through adherence to regulatory guidelines.
Citation hooks: EFSA; FEMA; PubChem; toxicology literature
8. Practical Insights for Formulators
Spearmint oil is valued for its refreshing and natural minty aroma, making it a versatile ingredient in both flavor and fragrance formulations. It synergizes well with other mint oils and citrus notes, enhancing the overall freshness of a product. Formulators should be cautious of using excessive amounts, as it can dominate other flavors or aromas. It is often under-used in complex formulations where a subtle minty note is desired.
Citation hooks: FlavScents; industry practice
9. Confidence & Data Quality Notes
The data on spearmint oil is well-established, with extensive documentation available from authoritative sources. Industry practices are generally consistent, although specific composition details may vary by supplier. Known data gaps include precise toxicological thresholds for all exposure routes, but current usage levels are supported by historical safety data.
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
- Includes section 5a for complex natural material
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 2026-03-16 18:16:43 GMT (p2)
