FlavScents AInsights Entry for Tobacco Leaf Absolute (CAS: 8037-19-2)
1. Identity & Chemical Information
Tobacco leaf absolute is a complex natural material derived from the leaves of the tobacco plant, primarily Nicotiana tabacum. It is not a single chemical compound but a mixture of various constituents extracted through solvent extraction. The CAS number for tobacco leaf absolute is 8037-19-2. It does not have a specific FEMA number due to its complex nature. Other identifiers include its use in fragrance and flavor industries, but specific FL or CoE numbers are not typically assigned to such complex materials. The composition of tobacco leaf absolute can vary significantly depending on the origin, harvest time, and processing methods used.
Citation hooks: FlavScents; PubChem; FEMA
2. Sensory Profile
Tobacco leaf absolute is renowned for its rich, warm, and complex aroma, often described as sweet, smoky, and slightly woody with hints of honey and hay. It has a strong intensity and a long-lasting diffusion, making it a popular choice for adding depth and warmth to fragrance compositions. In flavors, it provides a unique, robust note that can enhance the authenticity of tobacco-flavored products. The sensory role of tobacco leaf absolute is typically as an impact note or a background realism enhancer in both flavors and fragrances.
Citation hooks: FlavScents; peer-reviewed sensory literature
3. Natural Occurrence & Formation
Tobacco leaf absolute is naturally sourced from the leaves of the tobacco plant, Nicotiana tabacum. The formation of its complex aroma profile is attributed to the natural constituents present in the leaves, which are extracted using solvents. This material is often used in products labeled as "natural flavor" or "natural fragrance" due to its plant-based origin. The specific aroma compounds are formed through natural biosynthetic pathways in the plant, influenced by factors such as soil, climate, and cultivation practices.
Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs
4. Use in Flavors
In the flavor industry, tobacco leaf absolute is used to impart a rich, authentic tobacco note to various products, including confectionery, beverages, and tobacco-flavored items. Its functional role is to provide depth and complexity, often used in combination with other flavor materials to achieve a balanced profile. Typical use levels in finished products range from 1 to 10 ppm, depending on the desired intensity and product type. It is relatively stable under normal processing conditions but may degrade under extreme heat or acidic conditions.
Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature
5. Use in Fragrances
Tobacco leaf absolute is a valued ingredient in the fragrance industry, particularly in oriental, woody, and gourmand fragrance families. It serves as a base note, providing warmth and richness to the overall composition. Typical concentration ranges in perfumes are from 0.1% to 1%, depending on the desired intensity and fragrance type. Its volatility is moderate, contributing to the middle to base notes of a fragrance, and it is often used to add a sophisticated, smoky nuance.
Citation hooks: FlavScents; IFRA; fragrance chemistry texts
5a. Key Constituents (Typical)
Tobacco leaf absolute contains a variety of constituents, including nicotine, solanone, and neophytadiene, among others. The composition can vary significantly based on factors such as the geographical origin of the tobacco leaves and the extraction process used. These constituents contribute to the characteristic aroma and flavor profile of the absolute.
Citation hooks: FlavScents; peer-reviewed literature; authoritative industry references
6. Regulatory Status (Regional Overview)
In the United States, tobacco leaf absolute is not specifically listed as GRAS by FEMA, but it is used in flavors and fragrances under general safety guidelines. In the European Union, it is subject to regulations under Reg. (EC) No 1334/2008, with specific restrictions on its use due to nicotine content. The United Kingdom follows similar regulations post-Brexit. In Asia, regulations vary, with Japan and China having specific guidelines for tobacco-derived materials. In Latin America, countries like Brazil and MERCOSUR members have their own regulatory frameworks, often aligning with international standards.
Citation hooks: FEMA; EFSA; national authority publications
7. Toxicology, Safety & Exposure Considerations
Tobacco leaf absolute poses safety considerations primarily due to its nicotine content. Oral exposure in flavor applications requires careful consideration of nicotine levels, with no specific ADI or MSDI established. Dermal exposure in fragrances may pose irritation or sensitization risks, and it is subject to IFRA guidelines. Inhalation exposure is a concern due to volatility, particularly in occupational settings. The risk profiles differ between food and fragrance applications, with stricter controls in place for flavor use due to ingestion risks.
Citation hooks: EFSA; FEMA; PubChem; toxicology literature
8. Practical Insights for Formulators
Tobacco leaf absolute is valued for its ability to impart a rich, authentic tobacco note, making it a versatile ingredient in both flavors and fragrances. It synergizes well with vanilla, honey, and woody notes, enhancing the overall complexity of formulations. Common pitfalls include overuse, leading to an overpowering aroma, and underestimating its impact in blends. It is frequently under-used in non-tobacco applications where its warm, smoky character can add depth.
Citation hooks: FlavScents; industry practice
9. Confidence & Data Quality Notes
The data on tobacco leaf absolute is well-established in terms of sensory characteristics and typical applications. However, industry practices often rely on undocumented experience, particularly regarding use levels and synergies. Regulatory ambiguities exist due to nicotine content, requiring careful consideration in formulation.
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 2026-09-05 22:20:33 GMT (p2)