Spices in Vaping: Cardamom, Ginger, and Anise Trends

作者： Команда исследований и разработок, CUIGUAI Flavoring

Опубликовано: Гуанчжоуская компания уникальных ароматов, ООО

Последнее обновление: Июль 27, 2026

WhatsApp и Telegram: +86 189 2926 7983

Эл. почта：info@cuiguai.com

The global vape flavor market is projected to grow from USD 3.5 billion in 2024 to USD 8.98 billion by 2033, at a CAGR of 12.5% (LinkedIn/Vape Flavor Market Report, 2026). Within this rapidly expanding landscape, spice-forward e-liquid flavors — led by cardamom, ginger, and anise — represent one of the most technically sophisticated and commercially exciting frontiers for flavor manufacturers and e-liquid brands. As consumers increasingly seek complexity, warmth, and cultural authenticity in their vaping experience, spice profiles are transitioning from niche curiosities to mainstream menu staples.

This authoritative technical guide examines the aroma chemistry, formulation science, market positioning, and blending strategies that underpin the rise of cardamom, ginger, and anise e-liquid flavors. Whether you are a flavor developer, an e-liquid brand strategist, or a procurement specialist, this analysis delivers the expert knowledge you need to navigate and capitalize on the spice flavor opportunity.

Cardamom Ginger Anise E-Liquid — Spice Vaping

1. Why Spice Flavors Are the Next Frontier in E-Liquid Innovation

1.1 The Consumer Shift Toward Complexity and Warmth

The evolution of the e-liquid flavor landscape follows a clear trajectory: from simple single-note fruit and tobacco profiles toward multi-dimensional, layered sensory experiences that engage the consumer across the entire taste arc — top note, mid note, and lingering finish. Spice flavors are ideally suited to deliver this complexity because of the inherent multi-compound nature of their aroma profiles. A single cardamom pod contains over 120 identified volatile compounds; star anise is dominated by a distinctive suite of phenylpropanoids; and fresh ginger root contains gingerols, shogaols, and terpenes that interact dynamically with heat.

National e-cigarette sales monitoring data published in January 2026 confirms that “clove/spice” flavor categories recorded measurable growth in unit sales during 2025, outpacing several established fruit sub-categories. This growth trajectory reflects a broader consumer premiumization trend — experienced vapers who have exhausted mainstream fruit and menthol categories are turning to spice and botanical profiles for novelty and authenticity.

1.2 Regulatory Positioning of Spice Flavors

From a regulatory standpoint, spice-derived flavor compounds benefit from well-established safety profiles under the FEMA GRAS (Flavor and Extract Manufacturers Association Generally Recognized As Safe) program. The primary aroma chemicals of cardamom, ginger, and anise — including alpha-terpineol, 1,8-cineole, 6-gingerol, shogaol, and trans-anethole — are supported by extensive published safety data covering both ingestion and inhalation exposure pathways. This regulatory robustness makes spice concentrates a more defensible formulation choice compared to some synthetic flavor novel compounds that lack equivalent safety documentation.

Furthermore, the RIFM (Research Institute for Fragrance Materials) safety assessment program covers key spice-derived aroma chemicals at concentrations relevant to e-liquid applications, providing the documentation framework that brands need for global regulatory compliance submissions.

2. Cardamom in E-Liquids: Royal Spice Chemistry and Formulation

2.1 The Aroma Chemistry of Elettaria cardamomum

Cardamom (Elettaria cardamomum) is one of the world’s oldest spices and commands the third-highest price among spices globally, behind saffron and vanilla. Its complex aroma profile — simultaneously warm, sweet, camphoraceous, floral, and faintly citrusy — is generated by a tightly interlocked set of volatile compounds:

• 1,8-Cineole / Eucalyptol (CAS 470-82-6): The dominant compound in cardamom essential oil (35-55% of total volatiles), providing the characteristic cooling-eucalyptus-camphor quality. In e-liquid applications, 1,8-cineole contributes the “opening” sensation and perceived freshness that distinguishes cardamom from other warm spices. Excellent thermal stability — boiling point 176 C — making it well-suited to a broad range of device temperatures.
• Alpha-Terpinyl Acetate (CAS 80-26-2): Present at 25-45% in cardamom oil, this ester contributes the sweet, herbal-floral dimension that softens the camphor harshness of cineole. It is the compound most responsible for cardamom’s palatability — without it, the profile reads as medicinal rather than spicy-aromatic.
• Linalool (CAS 78-70-6): Present at 1-5% in cardamom, linalool provides a lavender-adjacent floral bridging note that connects the spice’s eucalyptol core to its sweet outer character.
• Beta-Pinene and Limonene: Contribute a faint citrus-pine freshness that adds lift to the otherwise warming cardamom character. Critical for achieving the top-note brightness that prevents the profile from reading as heavy or flat.
• Methyl Eugenol (CAS 93-15-2): Trace compound contributing a clove-adjacent warmth that reinforces the spice dimension. Used at carefully controlled concentrations given regulatory attention to eugenol derivatives in inhalation applications.

2.2 Formulation Challenges and Solutions for Cardamom E-Liquids

Cardamom presents specific formulation challenges in the e-liquid context that require expert handling. The high concentration of 1,8-cineole creates a cooling-medicinal top note that can be overpowering at standard usage rates. Professional cardamom e-liquid formulation typically employs the following strategies:

• Usage rate calibration: Cardamom concentrates are typically effective at 2-5% w/w in finished e-liquid. At higher concentrations (>7%), the eucalyptol dominance creates a throat-seizing harshness that overwhelms the positive sensory qualities of the spice.
• Sweetness anchoring: Pairing cardamom with a vanilla or cream base (providing vanillin and ethyl vanillin sweetness anchors) is the most reliable method for creating a balanced cardamom e-liquid. The sweetness scaffolding allows the eucalyptol and terpinyl acetate to express their positive qualities without the medicinal harshness that unanchored cardamom produces.
• PG/VG ratio optimization: Cardamom’s terpene-dominant compound profile shows superior solubility in propylene glycol (PG) compared to vegetable glycerin (VG). Formulations in 50:50 to 70:30 PG:VG bases achieve better flavor homogeneity and intensity than high-VG systems.
• Thermal stability: 1,8-cineole and terpinyl acetate exhibit good thermal stability at standard e-liquid operating temperatures (150-250 C), making cardamom concentrates relatively robust across device categories from pod systems to sub-ohm devices.

Cardamom’s complexity and warming character make it an exceptional candidate for fusion flavor development. Our technical article on Fusion Flavors: Mixing Bakery and Fruit (The Cobbler/Pie Niche) explores the principles of multi-dimensional flavor architecture that apply equally to spice-forward blending strategies.

3. Ginger in E-Liquids: Pungency Science and the Warming Sensation Mechanism

3.1 The Bioactive Chemistry of Zingiber officinale

Ginger (Zingiber officinale) occupies a unique position in the spice flavor category because its primary character-impact compounds — the gingerols and shogaols — operate through a fundamentally different sensory mechanism than terpene-based spice aromas. While cardamom’s character is primarily olfactory (smell-mediated), ginger’s pungency is significantly chemesthetic (delivered via trigeminal nerve stimulation and TRPV1 receptor activation), creating a genuine warming physical sensation that complements the aromatic experience.

3.2 Key Ginger Aroma and Pungency Compounds

• 6-Gingerol (CAS 23513-14-6): The primary pungent compound in fresh ginger root (0.5-2.0% of dry weight). Activates TRPV1 (transient receptor potential vanilloid 1) receptors — the same receptor activated by capsaicin from chili peppers — generating a sustained warming sensation. In e-liquid applications, gingerol’s thermal behavior is critical: above 200 C it converts to 6-shogaol, which is approximately twice as pungent, creating a flavor arc that intensifies with device temperature.
• 6-Shogaol (CAS 555-66-8): The dehydration product of 6-gingerol, formed naturally in dried ginger and under thermal stress. More potent than gingerol on a weight basis. In e-liquid formulas designed for higher-wattage devices, the gingerol-to-shogaol conversion at the coil creates an interesting flavor evolution that experienced vapers perceive as authentic ginger progression.
• Zingiberene (CAS 495-60-3): The dominant sesquiterpene in ginger essential oil (15-35%), contributing the characteristic woody, slightly citrus-earthy secondary character that provides the aromatic “base” beneath ginger’s pungency.
• Geranial and Neral (Citral A and B): Lemon-citrus aldehydes present at 1-8% in ginger essential oil, providing the bright top note that softens ginger’s otherwise heavy character and improves consumer approachability.
• Linalool and Beta-Phellandrene: Bridging compounds present in trace quantities that connect ginger’s pungent core to its more aromatic, floral-citrus peripheral notes.

3.3 High-Performance Ginger E-Liquid Formulation Strategies

Ginger e-liquid formulation requires careful calibration of pungency versus aroma balance. A purely gingerol/shogaol-driven ginger concentrate produces a harsh, medicinal profile that most consumers find unpleasant. High-performing ginger e-liquid formulas achieve balance through:

• Sweetness modulation: Ginger’s TRPV1 activation creates a “heat” sensation that is substantially modified by co-presenting sweet stimuli. A honey-like sweetness compound (such as furfuryl mercaptan or phenylacetic acid derivatives at trace concentrations) reduces the perceived harshness of gingerol pungency by approximately 25-35%, creating the “ginger candy” sensory profile that has the broadest consumer appeal.
• Citrus integration: The natural co-occurrence of geranial (citral) in ginger oil provides the template for the most commercially successful ginger-citrus e-liquid blends. Adding lemon or yuzu top notes at 0.1-0.5% amplifies ginger’s natural brightness, extending the flavor into a clean, refreshing profile that works particularly well in low-nicotine and nicotine-salt pod formulations.
• Menthol pairing: The combination of ginger’s TRPV1-mediated warming with menthol’s TRPM8-mediated cooling creates a complex thermoreceptor interaction — alternating warm-cool sensations — that vapers in Asia-Pacific markets have responded to strongly. Ginger-mint and ginger-menthol blends are among the fastest-growing flavor combinations in the Southeast Asian e-liquid market as of 2025.

Spice Aroma Molecules — Terpineol Gingerol Anethole

4. Anise and Star Anise in E-Liquids: Anethole Chemistry and the Licorice Profile

4.1 Botanical Sources: Pimpinella anisum vs. Illicium verum

In e-liquid flavor applications, “anise” character can be derived from two distinct botanical sources with overlapping but not identical aroma profiles:

• Pimpinella anisum (true anise): Native to the Eastern Mediterranean. Essential oil dominated by trans-anethole (75-90%), with secondary contributions from pseudoisoeugenol, anisaldehyde, and methyl chavicol. Produces a lighter, sweeter, more delicate anise character with subtle herbal and floral secondary notes.
• Illicium verum (star anise): Native to Southwest China. Essential oil similarly dominated by trans-anethole (80-90%), but with a more robust, slightly camphoraceous secondary character contributed by foeniculin, anisaldehyde, and limonene. The slightly more complex and assertive profile of star anise oil makes it the preferred source for boldly flavored e-liquid applications.

Both sources share trans-anethole (CAS 4180-23-8) as the primary character compound — a phenylpropanoid ether with an intensely sweet, anise, licorice-adjacent odor active at concentrations as low as 0.1 ppm in an aqueous medium. This extreme potency means that even at typical e-liquid flavor concentrate usage rates (1.5-4%), trans-anethole delivers a dramatically impactful consumer experience.

4.2 Trans-Anethole: Safety, Thermal Behavior, and Formulation Boundaries

Trans-anethole carries FEMA GRAS status (FEMA #2086) and extensive safety documentation for both ingestion and fragrance applications. For e-liquid inhalation applications, responsible formulators should be aware of the following technical considerations:

• Thermal behavior: Trans-anethole has a boiling point of 234 C. At standard pod device temperatures (180-200 C), anethole volatilizes efficiently with good flavor delivery. At higher temperatures (>220 C, common in sub-ohm devices), partial thermal decomposition to para-anisaldehyde and anisole can occur — compounds with notably different sensory characters. Aerosol GC-MS profiling at device-specific temperatures is recommended to confirm thermal stability of the complete flavor system.
• Concentration limits: Industry best practice places trans-anethole usage in e-liquid concentrates at 0.5-3.0% w/w of the finished formula. Above 3%, the licorice character becomes overpowering and the profile transitions from “sophisticated spice” to “pharmaceutical/throat lozenge” — a sensory space that most consumers find unpleasant.
• Solubility management: Trans-anethole exhibits limited water solubility (approximately 0.1 g/100 mL at 20 C). In PG:VG systems, complete dissolution requires propylene glycol as the primary solvent; in high-VG formulas (>70% VG), emulsification or microencapsulation may be necessary to prevent phase separation and ensure dose consistency.

4.3 Anise Blending Opportunities in E-Liquid Development

Anise’s clean, distinctive character makes it an exceptional accent note in complex e-liquid blends where a flavoring ingredient needs to provide clear identity without dominating the entire profile:

• Anise + Tobacco: The combination of trans-anethole and tobacco base notes recreates the classic Turkish/Balkan tobacco character — a profile deeply familiar to consumers transitioning from traditional cigarettes in Middle Eastern, North African, and Southern European markets. Anise usage rates of 0.5-1.5% in a tobacco base create an authentic, culturally resonant product.
• Anise + Vanilla-Cream: Adding trace anise (0.5-1.0%) to vanilla cream e-liquid creates an absinthe-adjacent, herbaceous sweetness that significantly elevates the perceived sophistication of what is otherwise a mass-market flavor base. This is one of the most commercially effective “premiumization through spice” strategies in e-liquid development.
• Anise + Mint: The aromatic complementarity of trans-anethole and l-menthol — both clean, herbal, and slightly cooling — creates a pleasantly complex blend popular in the “fresh herbal” segment, particularly among consumers who find pure menthol too harsh and pure mint too sweet.

Spice E-Liquid Flavor R&D Laboratory — CUIGUAI

5. Comparative Analysis: Cardamom vs. Ginger vs. Anise for E-Liquid Applications

5.1 Technical and Commercial Comparison Matrix

5.2 Spice Blend Synergy: Cardamom-Ginger-Anise Chai Formula

One of the most commercially compelling opportunities in spice e-liquid development is the “chai spice” blend — combining cardamom, ginger, anise, and optionally clove and cinnamon to recreate the globally recognized masala chai flavor profile. Chai e-liquids occupy a unique market position: they appeal to South Asian consumer communities globally, to wellness-oriented consumers drawn to adaptogenic spice profiles, and to tobacco-transitioning vapers who find pure chai a comfortable, familiar, and culturally meaningful flavor.

A technically balanced chai e-liquid concentrate formula should observe the following relative proportions within the spice fraction: cardamom 40-50% (eucalyptol-terpinyl acetate character as the dominant note), ginger 25-35% (warmth and pungency dimension), anise 10-20% (herbal sweetness bridge), with optional clove 5-10% (eugenol depth) and cinnamon 5-10% (cinnamaldehyde warmth). The total spice compound fraction is then balanced against a sweet base (vanilla-cream or honey) and optionally a black tea note (tannin-adjacent compounds) to create the complete chai experience.

The concept of flavor architecture for enduring palatability is explored in depth in our technical blog post: The “All-Day Vape” (ADV) Concept: What Makes a Flavor Tireless? — which provides essential guidance on structuring complex spice blends for sustained vaping without olfactory fatigue.

6. Regional Market Opportunities for Spice E-Liquid Flavors

6.1 Middle East and North Africa: Anise and Cardamom Dominance

The MENA region represents the single highest-opportunity market globally for anise and cardamom e-liquid flavors. Both spices are deeply embedded in the culinary and social culture of the region — arak (anise-based spirit) consumption across Lebanon, Syria, Jordan, and Egypt, and cardamom coffee (qahwa) across the Gulf states — creating a strong pre-existing sensory familiarity and positive cultural association. E-liquid brands entering MENA markets with anise-tobacco and cardamom-cream profiles are building on decades of established consumer preference rather than attempting to create entirely new taste categories.

6.2 Asia-Pacific: Ginger-Forward Profiles and Functional Wellness Positioning

Across South and Southeast Asia, ginger’s established reputation as a health-promoting ingredient (supported by traditional Ayurvedic medicine, Traditional Chinese Medicine, and a growing body of clinical research on ginger’s bioactive compounds including 6-gingerol) creates a favorable “functional wellness” halo for ginger e-liquid profiles. E-liquid brands that position ginger-flavored products within a wellness narrative — emphasizing the botanical origin and traditional medicinal use of ginger — achieve stronger consumer resonance in these markets than brands positioning ginger purely as a taste experience.

6.3 Western Markets: Artisanal Positioning and Seasonal Opportunity

In North America and Europe, spice e-liquid flavors have their strongest commercial traction in the premium artisanal segment and in seasonal product launches. The “fall spice” occasion — driven by pumpkin spice cultural prevalence and autumn/winter flavor associations — creates a defined seasonal window for cardamom, ginger, and anise profiles that brands have exploited successfully. Year-round positioning of spice flavors in Western markets typically requires anchoring within a fusion concept (cardamom-vanilla, ginger-citrus, anise-coffee) rather than as standalone spice monoculture profiles.

7. Formulation Best Practices: Spice E-Liquid Quality Control

7.1 Raw Material Sourcing and Standardization

The quality of spice e-liquid concentrates is fundamentally dependent on raw material standardization. Unlike synthetic aroma chemicals with defined purity specifications (>98% by GC), natural spice essential oils and oleoresins exhibit significant batch-to-batch compositional variation driven by geographic origin, harvest conditions, extraction method, and storage history. Professional spice e-liquid flavor manufacturers must:

• Establish certificate of analysis (CoA) specifications for each batch of spice essential oil, defining minimum and maximum ranges for key marker compounds (e.g., 1,8-cineole 35-55% for cardamom, 6-gingerol >1.5% for ginger oleoresin, trans-anethole >80% for anise).
• Conduct GC-MS authentication of each incoming batch to detect adulteration (a significant issue in the ginger and cardamom markets) and verify that the aroma profile matches the established standard.
• Implement controlled storage conditions (cool, dark, nitrogen-blanketed) to minimize oxidative degradation of terpenes and gingerols during warehouse storage before use.

7.2 Shelf Life and Stability Testing for Spice Concentrates

Spice e-liquid concentrates exhibit specific degradation pathways that require targeted stability monitoring:

• Cardamom: Alpha-terpinyl acetate is susceptible to hydrolysis in acidic environments (pH <4), releasing terpineol and acetic acid. Stability testing should include pH measurement of the finished e-liquid formulation; if pH falls below 3.5 (common in citrus-acidified formulas), alternative ester-stabilizing techniques should be employed.
• Ginger: 6-Gingerol undergoes progressive dehydration to 6-shogaol over time, accelerated by heat and light exposure. This means that a ginger e-liquid will taste progressively more pungent with age. Shelf life specifications must account for this flavor drift; recommending consumer use within 12 months of manufacture is standard practice for gingerol-containing e-liquids.
• Anise: Trans-anethole is susceptible to photo-oxidative degradation, producing para-anisaldehyde and other off-note compounds under UV exposure. Amber glass or UV-opaque packaging is mandatory for quality-focused anise e-liquid products.

Наш премиум Tobacco Flavor Concentrate provides an excellent base note foundation for anise-tobacco and cardamom-tobacco fusion blends, delivering the authentic tobacco character that anchors complex spice-forward e-liquid formulations.

CUIGUAI’s Vanilla Cream Flavor Concentrate is the preferred base companion for cardamom e-liquid development, providing the vanillin-anchored sweetness that tames eucalyptol harshness and creates the balanced, palatable spice-cream profile that consistently outperforms plain cardamom in consumer taste tests.

8. Frequently Asked Questions: Spice Flavors in Vaping

Q1: What does cardamom e-liquid taste like?

Cardamom e-liquid delivers a warm, aromatic, slightly sweet flavor profile dominated by the clean eucalyptus-like freshness of 1,8-cineole, layered with a sweet herbal quality from alpha-terpinyl acetate and a faint floral note from linalool. Well-formulated cardamom e-liquids are often described as “exotic,” “sophisticated,” and “chai-like,” particularly when paired with vanilla or cream base notes. The initial sensation is cooling-fresh (from eucalyptol), transitioning to a warm, sweet spice body, with a clean herbal finish.

Q2: Is ginger e-liquid suitable for all-day vaping?

Ginger e-liquid can be suitable for all-day vaping when formulated at moderate pungency levels (2-3% ginger concentrate in the finished formula) with adequate sweetness anchoring. Pure high-pungency ginger profiles — particularly those formulated for sub-ohm devices where elevated temperatures drive gingerol-to-shogaol conversion — can cause olfactory fatigue and throat irritation with extended use. For all-day vaping suitability, ginger-lemon, ginger-honey, or ginger-mint fusion formats that moderate the raw pungency with complementary flavor elements are significantly more appropriate than straight ginger monoculture profiles.

Q3: Why does anise e-liquid taste like licorice?

Anise and licorice share the same primary aroma compound: trans-anethole. True licorice flavor (from Glycyrrhiza glabra root) is a combination of trans-anethole with glycyrrhizin (the sweetener compound responsible for licorice’s characteristic sweetness) and various flavonoids. Star anise essential oil is almost entirely trans-anethole without the glycyrrhizin sweetness dimension, so pure anise e-liquid can taste more sharply “anise” and less rounded than genuine licorice. Commercially, “anise” and “licorice” e-liquid labels are often used interchangeably by brands, but the finest formulations add a sweetness modifier (vanillin, ethyl maltol) to replicate the complete licorice confection experience.

Q4: Can spice e-liquid flavors be combined with nicotine salts?

Yes — spice profiles pair particularly well with nicotine salt formulations. The reduced throat hit of nicotine salts (typically benzoate or levulinate salt forms at 20-50 mg/mL) complements the inherent warmth and pungency of spice compounds, creating a complete sensory experience without the additive harshness that free-base nicotine would produce in combination with high-pungency spice concentrates. For cardamom and anise specifically, the mildly sweet and aromatic character of the spice enhances the palatability of nicotine delivery, making these profiles commercially excellent choices for salt nicotine pod system formulations.

Q5: What customization options does CUIGUAI offer for spice e-liquid flavor concentrates?

Guangdong Unique Flavor Co., Ltd. (CUIGUAI) offers comprehensive customization services for spice e-liquid concentrates. Standard catalog concentrates — including individual cardamom, ginger, and anise profiles — are available from 5 KG minimum order quantities at USD 15-25 per kilogram. Custom formulation projects, where our R&D team develops proprietary spice blends (such as chai, ginger-lemon, or cardamom-tobacco) matched to your brand’s target sensory profile, are available from 10 KG development batch minimums. All custom concentrates are supplied with full technical documentation including GC-MS analysis reports, FEMA GRAS compliance references, and stability test data.

9. Conclusion: Spice Flavors and the Future of Premium E-Liquid Differentiation

Cardamom, ginger, and anise represent far more than flavor novelties in the e-liquid category — they are a strategic opportunity for brands seeking genuine differentiation in an increasingly crowded market. Each of these three profiles brings distinct technical complexity, clear cultural resonance, and demonstrated consumer demand in specific global markets. The brands and flavor manufacturers that invest in mastering spice profile formulation — understanding the chemistry, optimizing the stability, and designing the sensory arc — will be best positioned to capture the premium-oriented, sophistication-seeking consumer segment that is driving the next phase of global e-liquid market growth.

At Guangdong Unique Flavor Co., Ltd. (CUIGUAI), our R&D team combines deep botanical flavor expertise with GMP-compliant manufacturing and comprehensive safety documentation to deliver spice e-liquid concentrates that perform consistently from the laboratory bench to full commercial scale. From individual cardamom, ginger, and anise concentrates to fully developed fusion blends, we provide the flavor foundation your brand needs to lead in the spice vaping category.

Cardamom Ginger Anise E-Liquid Concentrate Bottles

Request Technical Consultation and Free Flavor Samples

Are you developing spice-forward e-liquid products and seeking an expert flavor manufacturing partner? CUIGUAI offers:

• Free flavor samples of cardamom, ginger, anise, and chai blend concentrates for qualified e-liquid manufacturers.
• Custom spice e-liquid formulation services — from brief to finished, validated concentrate.
• Full technical documentation: GC-MS analysis, FEMA GRAS compliance, RIFM references, and stability data.
• Flexible MOQ from 5 KG. Monthly production capacity: 200 tons.

Guangdong Unique Flavor Co., Ltd. (CUIGUAI Flavoring)

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Источники

1. LinkedIn / Vape Flavor Market Report. (2026). Vape Flavor Market: Outlook with Regional Analysis 2026-2033. https://www.linkedin.com/pulse/vape-flavor-market-outlook-regional-analysis-20262033-dpszf
2. Grand View Research. (2025). E-liquid Market Size & Share Report, 2025-2030. https://www.grandviewresearch.com/industry-analysis/e-liquid-market
3. Tobacco Monitoring Program. (2026). National E-Cigarette Sales Brief, January 2026. https://tobaccomonitoring.org/wp-content/uploads/2026/01/National-E-Cigarette-Sales-Brief-09.07.25.pdf
4. FEMA (Flavor and Extract Manufacturers Association). GRAS Program — Trans-Anethole FEMA #2086. https://www.femaflavor.org/gras
5. RIFM (Research Institute for Fragrance Materials). Fragrance Material Safety Assessments — Terpineol, Anethole, Gingerol. https://rifm.org/
6. Strategic Market Research. (2024). E-Cigarette and Vape Market Report. https://www.strategicmarketresearch.com/market-report/e-cigarette-vape-market
7. Wikipedia. Cardamom (Elettaria cardamomum) — Chemistry and Volatile Compounds. https://en.wikipedia.org/wiki/Cardamom
8. Wikipedia. Star Anise (Illicium verum) — Anethole Chemistry and Uses. https://en.wikipedia.org/wiki/Star_anise