This section provides an overview of gamma-heptalactone (γ-heptalactone), covering its manufacturing processes and regulatory status, applications for flavour houses, food and beverage manufacturers, and fragrance companies. Also, please check out the introduction to gamma-heptalactone manufacturers, supply chain issues, gamma-heptalactone suppliers, and gamma-heptalactone prices. Sinofi can help you buy gamma-heptalactone at bulk wholesale prices based on FEMA 2539 and CAS 105-21-5.
Table of Contents
What is Gamma-Heptalactone?
Gamma-heptalactone, also known as 4-heptanolide or γ-heptalactone, represents an important compound in the flavour formulation engineer’s toolkit. This cyclic ester belongs to the lactone family and occurs naturally in various fruits, particularly in peaches, apricots, and strawberries. Its distinctive aromatic profile and functional properties make it a valuable ingredient for creating authentic fruit flavours and enhancing complex flavour systems across multiple food and beverage applications. Gamma-heptalactone possesses a five-membered ring structure formed through the intramolecular esterification of 4-hydroxybutanoic acid. These physical properties contribute to its stability during processing and its behavior in various formulation matrices. The compound demonstrates good solubility in alcohol and most organic solvents, while showing limited solubility in water. This solubility profile influences its application method and concentration requirements when formulating different product types, from water-based beverages to oil-based systems. According to the U.S. Food and Drug Administration (FDA), gamma-heptalactone is approved to be used in the flavour, fragrance, and food industries.
Regulatory Status and Safety Considerations
Gamma-heptalactone has been evaluated by relevant regulatory authorities like JECFA, EFSA, RIFM, ECHACHEM, NIST, and WHO. It has been approved for use in food applications by major regulatory bodies worldwide. The Flavour and Extract Manufacturers Association (FEMA) has designated it as Generally Recognized as Safe (GRAS) under FEMA number 2539. It is also approved for use in the European Union Commission Implementing Regulation (EU) No 872/2012 and appears on the positive list of flavouring substances. The compound is considered safe when used at typical flavouring concentrations, which generally range from 0.5 to 50 parts per million depending on the application. As with all flavouring materials, proper handling procedures should be followed, including adequate ventilation and appropriate personal protective equipment when working with concentrated materials. The fragrance standard of gamma-heptalactone has been set by organizations such as IFRA.
Sensory Profile and Flavour Characteristics
The sensory characteristics of gamma-heptalactone are characterized primarily by a sweet, creamy, coconut-like aroma with distinct peachy and apricot notes. At lower concentrations, the compound imparts a smooth, rounded mouthfeel and enhances the perception of natural fruitiness. The coconut aspect becomes more pronounced at higher concentrations, while the stone fruit character provides depth and authenticity to fruit flavour compositions.
The flavour threshold is relatively low, allowing formulators to achieve significant sensory impact with minimal usage levels. This efficiency makes gamma-heptalactone particularly cost-effective in commercial applications. The compound also exhibits excellent tenacity, meaning its aromatic contribution persists throughout the shelf life of finished products and maintains its character through various processing conditions.
CAS No.: 105-21-5
According to the American Chemical Society, the CAS number of gamma-heptalactone is 105-21-5.
CAS Name: γ-Heptalactone
Molecular Formula: C7H12O2
Molecular Mass: 128.17
Appearance: Colorless, clear oily liquid.
JECFA Number: 225
Food Chemicals Codex Listed: Yes
Boiling Point: 61.00 to 62.00 °C. @ 2.00 mm Hg
Solubility: Miscible with alcohol and most fixed oils, slightly soluble in water.
Other Names:
♦γ-Heptalactone
♦γ-Propiobutyrolactone
♦ 4-Hydroxyheptanoic acid lactone
♦γ-Heptanolactone
♦γ-Propyl-γ-butyrolactone
♦ 4-Propyl-4-butanolide
♦ Tetrahydro-5-propyl-2-furanone
♦ 4-Heptanolide
Gamma-Heptalactone Odor
Odor Strength: Medium
Substantivity: 400 hours at 100.00 %
Odor Description: At 10.00 % in dipropylene glycol. sweet coconut nutty caramel herbal
FEMA Number 2539
According to the Flavour and Extract Manufacturers Association (FEMA), the FEMA number of gamma-heptalactone is 2539.
Bulk Gamma-Heptalactone Manufacturers
The bulk gamma-heptalactone manufacturing sector exhibits characteristics typical of specialty chemical markets, with production concentrated among a select group of established players alongside emerging regional manufacturers. Top gamma-heptalactone manufacturers like Lluch Essence and Givaudan typically maintain annual production capacities ranging from several to hundreds of metric tons, while smaller specialized manufacturers serve niche markets or regional demand centers. China has emerged as the dominant production hub for bulk gamma-heptalactone, accounting for a substantial portion of global manufacturing capacity. Chinese gamma-heptalactone manufacturers have invested significantly in scaling production capabilities while improving quality standards to meet international regulatory requirements.
Sinofi is a bulk gamma-heptalactone manufacturer in China, and we have a manufacturing facility with 2,500 square meters for the production of gamma-heptalactone. We supply high-quality gamma-heptalactone at bulk prices and serve flavour houses, food and beverage manufacturers, and fragrance companies worldwide.
Manufacturing Process of Gamma-Heptalactone
The industrial manufacturing of gamma-heptalactone represents a well-established process within the specialty chemicals sector, combining classical organic synthesis principles with modern process optimization and quality control methodologies. As a cyclic ester belonging to the γ-lactone family, this compound requires careful attention to reaction conditions, catalyst selection, and purification protocols to achieve the specifications demanded by food-grade and fragrance applications.
Chemical Synthesis Routes
The predominant industrial synthesis of γ-heptalactone proceeds through the intramolecular cyclization of 4-hydroxyheptanoic acid or its derivatives. This approach exploits the favorable thermodynamics and kinetics of five-membered ring formation, which occurs readily under appropriate conditions due to the optimal spatial arrangement of the hydroxyl and carboxyl functional groups. The cyclization reaction involves nucleophilic attack by the hydroxyl oxygen on the carbonyl carbon, followed by elimination of water to form the lactone ring structure. The driving force for this reaction includes both the entropic advantage of forming a single cyclic molecule from an open-chain precursor and the relief of conformational strain through ring closure.
Alternative synthetic routes involve the oxidation of appropriate cyclic precursors or the modification of related lactone structures through carbon chain extension or reduction strategies. Some manufacturers employ processes based on the Baeyer-Villiger oxidation of cyclohexanone derivatives, wherein the insertion of an oxygen atom into a carbon-carbon bond adjacent to the carbonyl group generates the lactone functionality. This approach requires careful control of oxidation conditions and selection of appropriate peracid oxidants to achieve satisfactory yields while minimizing over-oxidation or side reactions that could compromise product quality.
The selection of a synthetic route reflects multiple considerations, including raw material availability and cost, process complexity, capital investment requirements, environmental impact, and achievable product purity. Most large-scale manufacturers favor routes that minimize the number of synthetic steps, utilize readily available starting materials, and generate minimal waste streams requiring treatment or disposal. The optimization of these factors significantly influences the economic viability of production operations and the competitive positioning of manufacturers within the global marketplace.
Bulk Gamma-Heptalactone Suppliers
The gamma-heptalactone supply comprises two primary categories of organizations, each serving distinct functions within the overall supply chain. Top gamma-heptalactone suppliers like Lluch Essence and Givaudan represent companies that synthesize the compound through chemical processes and maintain production facilities capable of generating material from raw chemical feedstocks. These suppliers typically engage in direct sales to large-volume customers while also supplying material to downstream distributors and trading companies that serve broader market segments. Specialty chemical distributors constitute the second major supplier category, serving as intermediaries between manufacturers and end users. These distributors purchase material in bulk quantities from manufacturers and repackage or resell it in configurations that match customer requirements. Distributors provide valuable services, including inventory management, technical support, regulatory compliance documentation, and local market presence that simplifies procurement for customers preferring to work with regional partners rather than managing direct imports or relationships with overseas manufacturers. Chinese gamma-heptalactone suppliers range from large integrated chemical companies with extensive product portfolios to specialized manufacturers focused specifically on lactones and related compounds.
Sinofi is a bulk gamma-heptalactone supplier in China, and we have a warehouse with 1,200 square meters for high-quality gamma-heptalactone. We sell different grades of gamma-heptalactone at wholesale prices, serving flavour houses, food and beverage manufacturers, and fragrance companies.
Supply Chain of Gamma-Heptalactone
The global supply chain for gamma-heptalactone represents a sophisticated network that transforms basic chemical feedstocks into a refined specialty ingredient serving the flavour, fragrance, and food industries.
Supply Chain Structure Overview
The gamma-heptalactone supply chain operates through a multi-layered structure characterized by distinct value addition at each tier and increasing product specialization as materials move toward final applications. The foundational layer consists of petrochemical and basic chemical producers that supply the fundamental building blocks required for lactone synthesis.
The next tier comprises flavour houses and fragrance companies that incorporate γ-heptalactone into complex formulations designed for specific applications. These compounders blend the lactone with numerous other ingredients to create proprietary flavours that deliver desired sensory profiles for particular food categories or consumer products. The formulated flavours then move to food and beverage manufacturers, personal care companies, and other end users that incorporate these preparations into finished consumer goods. Finally, these products reach retail channels and ultimately consumers who experience the sensory contributions of gamma-heptalactone, though typically without awareness of this specific ingredient within complex formulations.
Wholesale and Buy Gamma-Heptalactone in Bulk
The wholesale procurement of bulk gamma-heptalactone requires buyers to master multiple competencies spanning supplier evaluation, commercial negotiation, quality assurance, logistics coordination, risk management, and relationship development.
Understanding Bulk Purchasing Requirements and Specifications
The foundation of successful bulk procurement begins with clearly defining your organization’s requirements across multiple dimensions. Volume requirements typically represent the most obvious consideration, as bulk pricing structures generally begin at minimum thresholds ranging from 50 kilograms for smaller operations to multiple metric tons for large flavour houses or integrated food manufacturers.
Technical specifications for food-grade gamma-heptalactone must be precisely defined to ensure material suitability for your intended applications. The standard specification typically requires a minimum purity of 98.0 percent as determined by gas chromatography, though some applications may demand higher purity levels or tighter control over specific impurities that could affect sensory properties.
Supplier Identification and Evaluation Process
The identification of potential wholesale suppliers requires systematic research across multiple information sources. Industry directories and trade associations provide listings of established suppliers serving the flavour and fragrance industries. The supplier evaluation framework should assess capabilities across multiple critical dimensions. Manufacturing capacity and production capabilities determine whether potential suppliers can reliably meet your volume requirements while maintaining adequate safety stock and flexibility for demand variations.
As a bulk gamma-heptalactone manufacturer and supplier in China, we wholesale this ingredient to flavour houses, food and beverage manufacturers, and fragrance companies. We also supply it to small customers. Normally, they want to buy gamma-heptalactone in small quantities. To serve them, we can sell gamma-heptalactone at bulk prices and provide a one-stop purchasing service.
Gamma-Heptalactone Prices (USD/Kg)
Food Grade Gamma-Heptalactone Prices (GC Content >=99.0%)
| Volume | Unit Price | Shipment |
| 50g | 8 USD | Express |
| 500g | 45 USD | Express |
| 1Kg | 65 USD/Kg | Express |
| 20Kg | 25% cheaper | Express |
| 100Kg-Above | negotiable | Express / Sea |
The gamma-heptalactone pricing reflects the complex interplay of manufacturing economics, supply-demand dynamics, raw material costs, and competitive positioning within the specialty flavour chemicals market. Current market prices for food-grade gamma-heptalactone vary substantially based on purchase volume, supplier origin, quality specifications, and commercial relationship factors.
Current Price Range and Market Positioning
The global market for gamma-heptalactone exhibits significant price dispersion that reflects quality differentiation, supplier capabilities, and the geographic origin of the material. Current pricing for food-grade gamma-heptalactone generally ranges from approximately forty to sixty dollars per kilogram when purchased in commercial quantities, though prices outside this range occur for very small volumes or specialized grades meeting enhanced specifications. Chinese gamma-heptalactone suppliers typically offer the most competitive pricing within the global market. European suppliers command premium pricing that reflects higher manufacturing costs, stringent regulatory compliance infrastructure, and value-added services, including comprehensive technical support and supply chain reliability.
Volume-Based Price Structures and Commercial Terms
The pricing structure for gamma-heptalactone incorporates substantial volume-based differentiation that creates strong incentives for buyers to consolidate purchases and commit to larger order quantities. Manufacturers typically establish tiered pricing frameworks where unit prices decrease as purchase volumes increase through defined threshold levels. The specific threshold points and discount magnitudes vary across suppliers based on their cost structures, competitive positioning, and strategic priorities, though certain patterns emerge consistently across the market. Small-volume purchases typically face significant price premiums, often exceeding standard commercial pricing by twenty to forty percent.
Furthermore, the above gamma-heptalactone price quotations do not include the express shipping fee. The reason is that the shipment cost may exceed the value of the gamma-heptalactone sample. However, the bulk wholesale prices of gamma-heptalactone will be much lower than those of small orders. Please contact us for more details.
Gamma-Heptalactone Specification
| Appearance: | Colorless, clear oily liquid. |
| Odor: | Sweet coconut, nutty caramel, herbal. |
| Purity (GC) | >=99% |
| Refractive Index (20°C) | 1.439-1.445 |
| Specific Gravity (25°C) | 0.997-1.004 |
| Acid Value (mgKOH/g) | <=1.0 |
| Heavy Metal (as Pb, mg/Kg) | <=10 |
| As (mg/Kg) | <=3 |
Gamma-Heptalactone Uses
Gamma-heptalactone occupies a significant position within the flavour and fragrance industries due to its distinctive sensory properties and versatile application potential. It serves primarily as a flavour ingredient and aroma chemical, though its utility extends beyond these core applications into various specialty uses.
Primary Application in Flavour Formulations
The predominant use of γ-heptalactone lies in flavour formulation for food and beverage applications, where it functions as a key building block for creating authentic and appealing taste experiences. Flavour houses incorporate this lactone into proprietary formulations designed to deliver specific sensory profiles in finished consumer products. The compound serves multiple functions within these formulations, providing characteristic flavour notes, enhancing overall complexity, contributing to mouthfeel perception, and creating synergistic interactions with other flavour components that elevate the total sensory impression beyond what individual ingredients would achieve in isolation.
The technical application of γ-heptalactone in flavour work requires careful attention to concentration levels, as the sensory impact varies significantly across the usage range. At very low concentrations, typically below five parts per million in the finished product, the lactone contributes subtle complexity and richness without being directly identifiable as a discrete flavour note.
Moving to moderate concentration ranges between five and twenty parts per million, γ-heptalactone becomes more prominent within the flavour profile, contributing recognizable peachy or coconut character depending on the surrounding flavour context and complementary ingredients. At these levels, the lactone plays a more defining role in establishing the primary flavour identity rather than serving purely as a supporting modifier. The formulator must carefully balance γ-heptalactone against other components to achieve the desired flavour intensity and character while avoiding dominance that could create one-dimensional profiles lacking complexity and interest.
Higher concentrations exceeding twenty parts per million create bold, distinctive flavour impressions where γ-heptalactone becomes the dominant characteristic. These usage levels typically occur in applications specifically targeting strong coconut or peach flavours where the creamy-sweet lactone character forms the foundation of the entire profile. However, excessive concentrations can produce unbalanced or artificial-tasting results, requiring skilled formulation work to maintain natural character even at elevated intensity levels. The relationship between concentration and sensory effect demonstrates the importance of precision in flavour formulation and the expertise required to optimize γ-heptalactone usage for specific applications.
Stone Fruit Flavour Applications
The application of gamma-heptalactone in stone fruit flavours represents one of its most important commercial uses, with peach, apricot, and nectarine formulations relying heavily on this compound to achieve authentic character. Natural stone fruits contain γ-heptalactone as a native constituent contributing to their distinctive aroma profiles, making the compound essential for recreating these flavours synthetically or enhancing the perception of natural fruit presence in formulated systems. The creamy-sweet base note provided by γ-heptalactone captures a critical dimension of stone fruit flavour that proves difficult to replicate using alternative ingredients.
Peach flavour formulations demonstrate the versatility of γ-heptalactone in creating different style variations within a single fruit category. White peach flavours emphasizing delicate, floral, and subtle character typically use γ-heptalactone at lower concentrations, where it contributes background creaminess without overwhelming more ethereal topnotes from aldehydes and esters. Yellow peach flavours targeting richer, more robust profiles often employ higher lactone concentrations that deliver pronounced peachy-creamy character, forming the flavour backbone. The formulator adjusts γ-heptalactone levels in concert with other ingredients, including γ-decalactone for coconut-peach nuances, delta-decalactone for additional creaminess, various aldehydes for fresh fruity topnotes, and esters for juicy, ripe fruit character.
Apricot flavour applications similarly benefit from γ-heptalactone’s contribution, though the compound typically plays a supporting role rather than dominating the profile as it might in some peach applications. Apricot flavours balance the creamy lactone notes with tart, jammy character from other ingredients that capture the fruit’s distinctive tangy-sweet taste profile. The gamma-heptalactone provides essential body and richness that prevents apricot flavours from tasting thin or overly acidic, creating the full, rounded character consumers associate with high-quality apricot products. Nectarine flavours occupy a middle ground between peach and apricot in terms of γ-heptalactone usage, with formulations typically emphasizing the compound’s peachy attributes while incorporating elements that distinguish nectarine’s unique character from its close botanical relative.
The application of γ-heptalactone extends beyond recreating the flavour of fresh stone fruits to encompass processed fruit products, including jams, preserves, baked goods fillings, and cooked fruit preparations. These applications require different formulation approaches because cooking and processing alter the natural flavour profile of fruits through caramelization, Maillard reactions, and volatilization of delicate aroma compounds. The gamma-heptalactone’s heat stability and tenacity make it particularly valuable in these applications, as it survives thermal processing better than many more volatile fruit flavour components. Formulations for cooked fruit applications often employ γ-heptalactone at elevated levels compared to fresh fruit flavours, compensating for the loss of volatile topnotes while capturing the concentrated, jammy character of processed stone fruits.
Coconut and Tropical Fruit Flavour Uses
Coconut flavour applications represent another major use category for γ-heptalactone, where its creamy-sweet character contributes essential authenticity to both mild and intense coconut profiles. While other lactones, particularly γ-nonalactone and delta-decalactone, play important roles in coconut flavours, γ-heptalactone provides specific nuances that enhance overall complexity and naturalness. The compound works particularly well in creating the impression of fresh coconut meat and coconut cream rather than the more intense, nutty character of roasted or dried coconut products.
The formulation of coconut flavours demonstrates how γ-heptalactone interacts synergistically with other lactones and supporting ingredients to create complete sensory impressions. A typical coconut flavour might combine multiple lactones at varying ratios, with each contributing different facets of coconut character. Γ-heptalactone provides the sweet, creamy foundation while other lactones add additional depth, nuttiness, or specific character notes. The formulator adjusts the lactone blend composition to achieve the precise coconut style desired, whether emphasizing fresh, sweet character for beverage applications or richer, more indulgent profiles for confectionery or bakery uses.
Tropical fruit flavour applications beyond coconut also benefit from γ-heptalactone inclusion, particularly in complex blends combining multiple fruits. Piña colada flavours naturally incorporate the compound given the coconut component, but γ-heptalactone also enhances pineapple perception by providing a creamy body that balances pineapple’s sharp, acidic character.
The application of γ-heptalactone in tropical flavour systems extends to supporting roles where it may not contribute immediately recognizable coconut or peach character but instead provides subtle enhancements that improve overall flavour quality. In passion fruit, guava, or papaya flavours, small quantities of γ-heptalactone can add body and fullness that makes formulations taste more natural and fruit-forward.
Dairy and Cream Flavour Enhancement
The application of gamma-heptalactone in dairy and cream flavour systems exploits the compound’s ability to enhance perceived richness, creaminess, and indulgence. While not inherently a dairy-derived compound, γ-heptalactone contributes sensory effects that consumers associate with high-fat dairy products, making it valuable for both enhancing actual dairy flavours and creating creamy impressions in non-dairy applications. The lactone’s smooth, rounded character provides body and mouthfeel perception that proves particularly important in reduced-fat dairy products, where the removal of milk fat creates thinner, less satisfying sensory profiles.
Bakery and Confectionery Applications
Bakery flavour applications leverage γ-heptalactone’s heat stability and its compatibility with baked matrices to enhance products ranging from simple pastries to complex layered cakes. Fruit-filled baked goods, including turnovers, Danish pastries, and fruit tarts, benefit from γ-heptalactone inclusion in filling flavours, where it contributes to authentic stone fruit character while surviving the baking process without significant degradation. The compound’s tenacity ensures that flavour character remains evident in finished products despite the volatilization and chemical transformations occurring during baking.
Cake flavours demonstrate versatile applications for γ-heptalactone across multiple flavour profiles. Peach cake, apricot cake, and similar stone fruit varieties naturally incorporate the lactone as a primary flavour component. However, vanilla cake, butter cake, and cream cake formulations also benefit from γ-heptalactone addition, where small quantities enhance perceived richness and add subtle complexity that makes simple flavours taste more sophisticated and well-developed. The compound works particularly well in cream-filled cakes and layered desserts where it bridges between cake and filling components, creating unified flavour impressions rather than disparate taste elements.
Beverage Industry Applications
The beverage industry represents a substantial application sector for γ-heptalactone, with the compound appearing in products ranging from carbonated soft drinks to premium cocktail mixers and functional beverages. Carbonated soft drinks featuring peach, apricot, or tropical fruit flavours incorporate γ-heptalactone as a core flavour component that delivers authentic fruit character distinguishable from simpler, more artificial-tasting formulations relying on single-note fruit esters. The lactone’s behavior in carbonated systems requires formulation consideration, given the volatility differences that can affect flavour perception in carbonated versus still beverages, though γ-heptalactone’s relatively lower volatility compared to many fruit flavour compounds provides good retention in carbonated applications.
Fragrance and Personal Care Product Uses
Body care and cosmetic products, including lotions, creams, shower gels, and shampoos, incorporate γ-heptalactone in fragrance systems that deliver appealing scent profiles, enhancing the consumer experience. Tropical-themed products emphasizing coconut, peach, or mixed fruit fragrances naturally feature the lactone as a central component. However, γ-heptalactone also appears in supporting roles within floral fragrances where it adds creamy undertones that soften sharp floral notes and create more wearable, approachable compositions. The compound’s substantivity on skin and hair provides good longevity, allowing fragrances to persist after application and continuing to deliver scent impressions throughout the day.
Fine fragrance applications in premium perfumes and colognes utilize γ-heptalactone selectively, typically in compositions emphasizing fruity or gourmand themes rather than classic floral or oriental categories. The rise of fruity-floral perfumes and tropical fragrances has expanded opportunities for lactone inclusion in fine fragrance formulations.
Application Considerations and Formulation Limitations
The effective application of gamma-heptalactone requires understanding both its capabilities and its limitations within various product systems. The compound’s heat stability makes it suitable for applications involving thermal processing, though extremely high temperatures or extended heating can cause some degradation or volatilization losses. Formulations requiring extended shelf life at elevated temperatures warrant testing to verify that γ-heptalactone character persists adequately throughout the intended product lifetime. The inclusion of antioxidants or oxygen scavengers may help preserve lactone quality in some challenging applications.
pH sensitivity represents another consideration influencing γ-heptalactone application strategies. While the compound demonstrates reasonable stability across typical food pH ranges, extremely alkaline conditions can promote ring-opening hydrolysis that destroys the lactone structure and eliminates the desired flavour contribution. Products with a pH above nine warrant particular attention to ensure adequate stability, with accelerated stability testing recommended to verify performance under actual product conditions. Acidic formulations generally present fewer stability concerns, with γ-heptalactone performing well in typical fruit juice, soft drink, and candy applications operating at low pH.
Gamma-Heptalactone Benefits
Gamma-heptalactone represents far more than simply another ingredient in the formulator’s palette. This lactone compound delivers a constellation of benefits that extend across sensory performance, technical functionality, commercial viability, and regulatory compliance.
Sensory Excellence and Flavour Authenticity
The most immediately apparent benefit of γ-heptalactone lies in its exceptional sensory characteristics that enable the creation of authentic, appealing flavour profiles. The compound delivers a distinctive sweet, creamy, peachy-coconut aroma that closely mimics the flavour notes found in natural stone fruits and tropical products. This authenticity proves increasingly valuable as consumers develop more sophisticated palates and demand products that deliver genuine fruit character rather than artificial-tasting approximations.
Technical Performance and Formulation Advantages
Beyond sensory benefits, γ-heptalactone delivers important technical advantages that simplify formulation work and improve product performance across diverse manufacturing processes. The compound’s heat stability enables its use in applications requiring thermal processing, including pasteurization, baking, and retort sterilization. Many volatile fruit flavour compounds suffer significant losses during heating, forcing formulators to dramatically over-flavour products or accept diminished flavour intensity in finished goods. Gamma-heptalactone’s superior heat stability means that reasonable usage levels survive processing with minimal degradation, allowing more accurate flavour calibration and reducing the waste associated with volatilization losses during manufacture.
The compatibility of γ-heptalactone with diverse product matrices provides formulation flexibility across applications ranging from aqueous beverages to high-fat dairy products and oil-based systems. The compound demonstrates acceptable solubility characteristics that allow incorporation into various formulation types without requiring extensive solubilization work or specialized delivery systems.
Gamma-Heptalactone in E-Liquid and Vaping Products
Gamma-heptalactone represents one of many flavouring compounds employed in the formulation of e-liquids and vaping products, contributing desirable sensory characteristics that enhance user experience and product appeal.
Applications in E-Liquid Formulations
Within the vaping industry, γ-heptalactone serves primarily as a flavouring agent, contributing sweet, creamy, and fruity notes to e-liquid formulations. The typical concentration of γ-heptalactone in e-liquid formulations varies depending on the desired flavour intensity and the specific flavour profile being created. Manufacturers generally use this compound at relatively low concentrations, typically ranging from 0.01 to 1 percent by weight of the total formulation, though exact amounts are often proprietary information. The compound’s potency as a flavouring agent means that even small quantities can significantly impact the overall sensory experience of the vaping product. Formulators must carefully balance γ-heptalactone with other flavour components, base liquids, and nicotine content to achieve the desired taste profile while maintaining product stability and consistency.
Regulatory Landscape and Compliance Requirements
The regulatory environment surrounding flavouring compounds in vaping products varies significantly across different jurisdictions and continues to evolve as governments and health authorities respond to the growing prevalence of electronic cigarette use. According to the Family Smoking Prevention and Tobacco Control Act by the US FDA. e-cigarette manufacturers must submit premarket tobacco product applications that include comprehensive information about product composition, including flavouring compounds like γ-heptalactone. The European Union has implemented the Tobacco Products Directive, which establishes requirements for e-liquid ingredients and mandates reporting of all substances used in vaping products.
A Type of Original Tobacco Flavouring
Include the following ingredients by weight:
Yunyan tobacco absolute, 1 part; Burley tobacco absolute, 1 part; Virginia absolute, 0.75 parts; Guaiacin, 0.01 parts; 4-vinylguaiacin, 0.005 parts; Treemoss resinoid, 0.01 parts; Maple lactone, 0.02 parts; Gamma-heptalactone, 0.01 parts; 2-Acetylpyridine, 0.007 parts; 2,3,5-Trimethylpyrazine, 0.004 parts; Megastigmatrienone, 0.02 parts; Butyraldehyde propylene glycol acetal, 0.02 parts; Benzyl alcohol, 0.04 parts; Ethanol, 0.2 parts; Propylene glycol, 4 parts.
In conclusion, gamma-heptalactone represents a valuable ingredient for flavour houses, food and beverage manufacturers, and fragrance companies, offering versatility, technical reliability, and distinctive sensory properties. As a bulk gamma-heptalactone manufacturer and supplier in China, we sell different grades of gamma-heptalactone at wholesale prices to clients around the world.