FlavScents AInsights Entry: Citrus Limon Peel Extract (CAS: 84929-31-7)

1. Identity & Chemical Information

Citrus limon peel extract, commonly known as lemon peel extract, is a natural complex material derived from the peel of the lemon fruit. It is not a single chemical compound but a mixture of various constituents. The CAS number for this extract is 84929-31-7. While it does not have a specific FEMA number, it is recognized in various flavor and fragrance applications. Other identifiers include its presence in the IFRA standards and its listing in various regulatory databases. The composition of citrus limon peel extract can vary significantly depending on the origin, harvest time, and processing methods used.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Citrus limon peel extract is characterized by its fresh, zesty, and tangy odor profile, reminiscent of freshly cut lemons. It has a bright, citrusy aroma with a hint of sweetness and a slightly bitter undertone. The intensity of the scent is moderate to strong, making it a prominent impact note in formulations. The extract is often used to impart a refreshing and uplifting character to both flavors and fragrances. While specific taste and odor thresholds are not well-documented, it is typically used in small amounts due to its potent sensory impact.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Citrus limon peel extract is naturally sourced from the peel of the lemon fruit, Citrus limon, which is widely cultivated in regions with a Mediterranean climate. The extract is obtained through cold pressing or steam distillation of the lemon peel. It is considered a natural flavor and fragrance material, aligning with consumer preferences for natural products. The formation of its characteristic aroma compounds occurs through enzymatic processes within the fruit peel, contributing to its designation as a natural flavor or fragrance.

Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs

4. Use in Flavors

In flavor applications, citrus limon peel extract is used across various categories, including beverages, confectionery, and baked goods. It serves as a key impact note, providing a fresh and authentic lemon flavor. Typical use levels in finished products range from 10 to 100 ppm, depending on the desired intensity and product type. The extract is generally stable under acidic conditions but may degrade under prolonged heat exposure, necessitating careful formulation considerations.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

Citrus limon peel extract is a versatile ingredient in the fragrance industry, commonly used in citrus, fresh, and floral fragrance families. It acts as a top note, providing an initial burst of freshness and realism. Typical concentration ranges in fragrance formulations are from 0.1% to 3%, depending on the product type and desired effect. Its volatility contributes to its role as a top note, with a rapid diffusion that enhances the initial impression of a fragrance.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

5a. Key Constituents (Typical)

The key constituents of citrus limon peel extract include limonene, citral, linalool, and β-pinene. These compounds contribute to its characteristic aroma and flavor profile. The composition can vary based on factors such as geographic origin and extraction method, highlighting the importance of sourcing and quality control in formulation.

Citation hooks: FlavScents; peer-reviewed literature; authoritative industry references

6. Regulatory Status (Regional Overview)

In the United States, citrus limon peel extract is generally recognized as safe (GRAS) for flavor use 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, regulations vary, with Japan and China having specific guidelines for natural extracts. In Latin America, countries like Brazil and those in MERCOSUR have their own regulatory frameworks, often aligning with international standards.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

For oral exposure, citrus limon peel extract is considered safe within typical use levels, with no specific ADI or MSDI established. Dermal exposure in fragrance applications is generally safe, though it may cause irritation or sensitization in sensitive individuals. IFRA provides guidelines to mitigate these risks. Inhalation exposure is minimal due to its low volatility, but occupational exposure should be managed with appropriate ventilation. The risk profiles for food and fragrance applications are similar, with safety ensured through adherence to regulatory guidelines.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Citrus limon peel extract is valued for its ability to impart a natural and vibrant lemon character to formulations. It synergizes well with other citrus and floral notes, enhancing overall freshness. Formulators should be cautious of its potential to overpower other ingredients if used excessively. It is often under-utilized in complex blends where its bright character can provide a refreshing lift.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data on citrus limon peel extract is well-established, with consistent sensory and regulatory information available. However, industry practices regarding specific use levels and sensory thresholds are often undocumented, relying on formulator expertise. Known data gaps include detailed toxicological studies specific to the extract, though existing data supports its safe use.

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 2026-07-03 08:20:17 GMT (p2)