HerbIQ Resource Hub / Pillar 02 of 04
ISOLATE: Extraction & Standardisation
How raw plant material becomes a precise, repeatable molecular dose
Once you verify the correct tissue (Pillar 01: Source), you enter the refinery. The chemistry inside a plant is not uniformly distributed, nor is it uniformly soluble. A single root may contain water-soluble polysaccharides in its outer cells, alcohol-soluble alkaloids deeper in the phloem, and oil-soluble sterols locked inside lipid membranes. No single solvent can capture all of them.
The framework below is structured in two tiers: primary extraction methods — the solvent-based and mechanical processes that pull chemistry out of plant tissue — followed by post-processing standards, the concentration and purification steps applied after extraction. Understanding both tiers is essential for reading a certificate of analysis, comparing supplier specifications, or formulating a finished product with a predictable clinical dose.
// The Polarity Principle
Why Solvents Are Targeted Magnets
| Solvent | Polarity | Index | Target Compound Classes |
|---|---|---|---|
| Water | Most Polar | Polysaccharides, glycosides, mucilage, water-soluble vitamins, amino acids | |
| Glycerin | High | Tannins, mild glycosides, water-soluble plant sugars | |
| Hydroethanol (30–70%) | Moderate–High | Broad-spectrum polyphenols, glycosides, saponins, organic acids | |
| Pure Ethanol (95%+) | Moderate | Heavy alkaloids, resins, flavonoid aglycones, dense lipophilic molecules | |
| Ethyl Acetate | Low–Moderate | Mid-polarity phenolics, terpenoids, catechins | |
| Supercritical CO₂ | Low (tunable) | Lipophilic sterols, fatty acids, temperature-sensitive terpenes | |
| Hexane / Petroleum Ether | Non-Polar | Fixed oils, waxes, carotenoids, non-polar pigments |
Like dissolves like. A solvent selectively extracts only the compound classes whose polarity matches its own. Applying water to Saw Palmetto yields 0% fatty acids. Applying hot water to Reishi yields near-complete beta-glucan capture. The solvent choice is not a preference — it is the physics of molecular attraction.
// Section A
Extraction Methods
Water Extraction (Aqueous)
Hot / Cold Pressurised Water · Highest Polarity
Mechanism
Hot or cold pressurised water is passed through raw plant material. Water molecules form hydrogen bonds with polar functional groups (–OH, –COOH, –NH₂) on target molecules, pulling them into solution. The extract is then filtered and dried — typically via spray-drying or freeze-drying — to produce a powder.
Optimal Temperature Range
Standard decoctions: 85–100°C. Pressurised subcritical water: 100–180°C, increasing polysaccharide solubility without thermal degradation. Cold-water processes: 4–25°C for heat-labile enzymes and primary metabolites.
What It Cannot Capture
Any non-polar compound — fatty acids, sterols, fat-soluble vitamins (A, D, E, K), essential oil terpenes. These require a co-solvent or a separate lipophilic extraction step.
Cross-Reference
→ Active Compound Index — Fiber Polysaccharides
→ Pillar 03: Deliver — Water-Soluble Bioavailability
Pure Ethanol Extraction
High-Proof Alcohol (90–99%) · Moderate Polarity
Mechanism
High-proof ethanol (90–99%) disrupts plant cell membranes and preferentially solubilises dense, lipophilic molecules trapped deep within plant tissues — alkaloids bound to resins, lipid-associated terpenoids, and hydrophobic flavonoid aglycones.
A Note on Gold Standards
Commercial kavalactone extractions use 30–60% aqueous ethanol, not pure ethanol, as several kavalactones have meaningful water solubility. The cleaner gold standard is Valerian Root (valerenic acid) and Echinacea (alkylamides), both requiring high-proof alcohol to dissolve effectively.
Residual Solvent
Final extracts must meet ICH Q3C residual solvent limits (≤5,000 ppm ethanol for Class 3 solvents). Quality manufacturing targets ≤1,000 ppm in finished powder — request this data point on all CoAs.
What is Hydroethanolic Extraction
Water–Alcohol Dual Solvent · Broad Spectrum
Mechanism
Blending water and ethanol at specific ratios (typically 30:70 to 70:30) simultaneously covers a wide polarity spectrum. The water fraction targets glycosides and polar metabolites; the ethanol fraction penetrates cell membranes and dissolves lipophilic aglycone cores. The ratio is tuned precisely to the target molecule.
Industry Application
The most commonly used commercial extraction method globally. Most standardised herbal extracts — [Ginseng], [Ashwagandha] withanolides, [Turmeric] curcuminoids — begin with a hydroethanolic extraction step.
Ratio Significance
Ginsenoside extraction peaks at ~70% ethanol; rutin and quercetin glycosides from Sophora peak closer to 50% ethanol. The water:ethanol ratio should be disclosed on technical data sheets — it is not arbitrary.
Supercritical CO₂ Extraction
Pressurised Carbon Dioxide · Zero Solvent Residue · Lipophilic
Mechanism
Carbon dioxide is pressurised above its critical point (31.1°C, 73.8 bar), entering a supercritical phase — with the density of a liquid and the viscosity of a gas. It penetrates plant tissue efficiently and dissolves non-polar compounds. When pressure is released, CO₂ reverts to gas and evaporates completely, leaving zero solvent residue.
supercritical CO2 extraction benefits
The critical temperature of CO₂ is just 31°C — the entire process runs near room temperature. This makes it the method of choice for temperature-sensitive sterols, tocopherols (Vitamin E), and delicate terpenes that degrade irreversibly above 40–50°C in conventional extraction.
Tunability
Adding 5–10% ethanol as a polar modifier shifts CO₂'s polarity upward, enabling selective capture of moderately polar molecules. It is pharmacopoeially preferred where solvent residue specifications are strict.
Steam Distillation
Live Steam · Volatile Capture · Essential Oils
Mechanism
Live steam passes through plant material at atmospheric or slightly elevated pressure. Volatile aromatic compounds (boiling points typically 150–300°C) co-distil with steam at a combined boiling point below 100°C. The vapour is condensed in a cooling coil and the two immiscible liquids — water and essential oil — separate by density in a Florentine flask.
Critical Link to Pillar 01
Steam distillation is effective only on tissues correctly identified as oil-bearing glands or trichomes — the secretory structures detailed in Pillar 01: Secretory Structures. Distilling the wrong tissue layer of the same plant yields dramatically reduced or zero essential oil output.
What It Cannot Capture
Non-volatile compounds — polyphenols, alkaloids, polysaccharides, glycosides — remain in the spent marc. The marc can subsequently be subject to solvent extraction for residual non-volatile chemistry.
Cold-Pressing (Expression)
Mechanical Pressure · No Heat · Fixed Oils
Mechanism
Raw seeds, nuts, or citrus rinds are fed into a mechanical press. Physical pressure ruptures oil-bearing cells without any heat or solvent, releasing fixed oil or fragrant peel oil intact. Thermolabile molecules (tocopherols, carotenoids, delicate terpene esters) remain in their native chemical state.
Fixed Oils vs Essential Oils
Cold-pressing primarily targets fixed oils (glycerol-bound fatty acids — rosehip, hemp, [black seed]) and cold-pressed citrus peel oils (limonene-dominant). A cold-pressed lemon oil contains waxes and furanocoumarins absent from its steam-distilled equivalent — and is phototoxic as a result. This distinction is critical for finished-product safety labelling.
Quality Markers on CoA
Free fatty acid (FFA) percentage, peroxide value (PV), and UV absorbance (K232/K268). Low FFA (<1%) and low PV (<10 meq O₂/kg) indicate fresh, non-oxidised material.
Glycerin Extraction (Glycerites)
Vegetable Glycerin · Alcohol-Free · Mild Polarity
Mechanism
Vegetable-derived glycerin (propane-1,2,3-triol) acts as a polar, viscous solvent. Its three hydroxyl groups (–OH) form hydrogen bonds with polar plant compounds, pulling them into solution. Glycerin's polarity sits below water, making it selectively effective on tannins, mild glycosides, and phenolic compounds.
Primary Applications
Preferred for alcohol-sensitive populations (children, those in recovery, certain religious dietary requirements) and liquid formulations requiring a sweet, viscous base. Common glycerite herbs include Elderberry, Calendula, and Chamomile. Note: Licorice Root glycyrrhizin is more efficiently extracted with water or hydroethanolic solvents.
Limitation
Glycerin extracts are significantly less potent per millilitre than equivalent ethanol tinctures. Extraction requires 4–6 weeks of maceration versus days for ethanol percolation. Shelf stability is good (~3 years) due to glycerin's natural antimicrobial properties.
Enzyme-Assisted Extraction
Biocatalytic Cell Wall Disruption · Enhanced Yield
Mechanism
Specific enzymes — primarily cellulases, hemicellulases, pectinases, and proteases — are added to the plant slurry. These enzymes catalytically degrade the structural polysaccharides of the plant cell wall, physically breaching barriers that no solvent alone can penetrate. The freed target molecules are then extracted by whichever solvent follows.
Why This Matters for Yield
Polyphenols and glucosinolates are often physically trapped within intact cell wall matrices. Enzyme pre-treatment increases polyphenol yield by 20–60% in Brassica extracts. It is also the mechanistic basis of commercial active myrosinase broccoli extracts, where endogenous myrosinase is preserved to activate glucosinolate-to-sulforaphane conversion.
Industry Adoption
Increasingly standard in pharmaceutical-grade polyphenol and prebiotic fibre production. Also applied to green coffee, pomegranate, and [grape seed extracts] where cell wall integrity significantly limits conventional solvent access.
Fermentation-Assisted Extraction
Microbial Biotransformation · Creates New Chemistry
Mechanism
Selected microorganisms — bacterial strains (Lactobacillus, Bifidobacterium) or fungi (Aspergillus, Monascus) — are cultured in the presence of plant material. The microbes actively transform molecular structures. Fermentation does not merely extract existing chemistry — it creates new chemistry absent from the raw plant.
Key Examples
Fermented [Ginseng]: Standard ginseng contains primarily Rb1, Rb2, Rc ginsenosides. Fermentation converts these to minor ginsenosides — Rg3, Rh2, Compound K — with significantly higher bioavailability and distinct pharmacological profiles.
Red Yeast Rice (Monascus purpureus): Fermentation of white rice produces monacolin K (lovastatin), a molecule completely absent from unfermented rice.
Black Garlic: Thermal fermentation converts unstable allicin into stable S-allylcysteine and unique Maillard compounds not present in fresh garlic.
Regulatory Note
Fermentation-derived compounds that are pharmaceutically active (monacolin K) may be subject to drug regulations in certain markets. Evaluate per jurisdiction before commercialising fermented botanical extracts.
// Section B
Post-Processing Standards
To understand what is standardized extract processing, these three standards are applied after an extraction method is complete. They are not extraction methods themselves — they are the refinement, concentration, and preservation decisions that determine the final product specification. Understanding the distinction is essential for correctly reading a certificate of analysis.
Standardised Isolation (Single-Molecule Purity)
Following an initial solvent extraction, the crude extract undergoes a cascade of chromatographic and crystallisation steps to progressively strip away everything except the target molecule. The result is a high-purity isolate expressed as a percentage: 95% Curcuminoids, 98% Piperine, 99% Resveratrol.
This locks in an exact molecular dose per gram and enables precise clinical formulation. It also eliminates matrix effects from other plant compounds — a double-edged consideration, as co-occurring chemistry is sometimes responsible for synergistic activity (the entourage effect debate in botanical science).
Key CoA data point: HPLC purity assay showing the target molecule percentage and identity of any residual impurities.
Concentration Ratios (4:1, 10:1, 25:1)
A concentration ratio describes how many parts of raw plant material were processed to produce one part of the final extract powder — based entirely on dry weight reduction, not chemical purity. But what does 10:1 extract mean in practice? A 10:1 Maca extract means 10 kg of dried Maca root yielded 1 kg of powder. The ratio says nothing about which molecules were concentrated or at what potency.
Two 10:1 extracts from different suppliers may have radically different active constituent profiles depending on extraction method, starting material quality, and drying method. A 10:1 ratio is a process claim, not a potency guarantee. When paired with a standardisation statement (e.g., "10:1 extract, standardised to 5% alkaloids"), both ratio and standardisation together give a complete picture.
Juice Pressing & Preservation (Spray / Freeze Drying)
Fresh plant tissue is cold-pressed or mechanically juiced to liberate cellular contents without heat or solvent, preserving live enzymes, raw chlorophyll, primary metabolites, and heat-labile vitamins. The resulting juice is immediately preserved by one of two methods:
Spray Drying: Juice is atomised into a fine mist and exposed to a controlled hot airstream (inlet 150–200°C, outlet 60–80°C). Rapid evaporation keeps actual product temperature below 50°C. Fast and economical — standard for most commercial [barley grass] and [wheatgrass] powders.
Freeze Drying (Lyophilisation): Juice is frozen solid, then placed under high vacuum — ice sublimes to vapour at temperatures as low as –50°C. Zero heat exposure preserves the full enzyme and phytonutrient spectrum intact. Approximately 5–8× the cost of spray-dried equivalents and the appropriate specification for enzyme-sensitive formulations.
// Why It Matters
The Extraction Rule: Wrong Method, Zero Yield
// Core Principle
Solvents act like targeted molecular magnets governed by a simple physical law: like dissolves like. A polar solvent attracts polar molecules. A non-polar solvent attracts non-polar molecules. If you apply the wrong extraction method to a plant, you do not get a weak extract — you get a chemically empty one for your target compound.
Example: Saw Palmetto Berry processed by hot water extraction yields essentially 0% active fatty acid sterols — because saturated and unsaturated fatty acids are entirely non-polar and have no affinity for water. The active chemistry requires supercritical CO₂ or hexane extraction.
Conversely: Reishi Mushroom processed by pure ethanol extraction yields poorly characterised beta-glucan content — because the large polysaccharide chains are polar and remain in the aqueous phase. Only hot water extraction produces a defined, measurable beta-glucan fraction.
Eliminates Inert Mass
Solvent extraction discards cellulose, lignin, and inert fibre — structural plant material that contributes nothing pharmacologically but dilutes the final product.
Guarantees Potency
Standardised extraction locks in a minimum active constituent level per gram, ensuring every batch delivers the exact molecular quantity required for a clinically relevant dose.
Unlocks the Cell
Plant cell walls and fungal chitin are physically indigestible by humans. Extraction ruptures these barriers before the ingredient reaches the consumer, making bioavailability possible at all.
// Section C — The Format Bridge
Finished Extract Formats: Which Physical Form Does Your Ingredient Take?
Extraction method determines which molecules you isolate. Post-processing determines how concentrated they are. The question that follows — and the one a formulator, procurement manager, or cosmetic chemist needs answered before placing any order — is: what physical form does this ingredient arrive in, and what does that mean for how I can use it?
The ten formats below cover every category in the Herbuno catalogue. Each has a defined solubility profile, a typical application set, and a shelf-life behaviour. Choosing the wrong format for a formulation goal is not a minor inconvenience — it can make a product unmanufacturable, unstable, or non-compliant. Use the decision matrix below to identify the correct format for your specific product type and formulation goal.
// Group A — Supplement & Functional Food Formats
Dry Powder vs Liquid Extract: The Foundational Format Decision
Dry Extract Powder
What It Is
The direct output of spray-drying or freeze-drying a liquid extract. Solvent is removed, leaving a concentrated dry matrix of target compounds. Approximately 80% of capsule and tablet supplement formulations use dry extract powder as their primary ingredient form — it is the industry baseline.
Solubility Profile
Compound-dependent. Water-soluble compound powders disperse in aqueous systems. Lipophilic compound powders (curcuminoids, sterols, fat-soluble vitamins) have poor water solubility and require a delivery system — see Pillar 03: Deliver.
Carrier-Free vs Carrier-Optimised
Carrier-free: extract only — specify when you control the carrier in your own blend. Carrier-optimised (acacia gum, maltodextrin): improves flowability, dispersibility, and hygroscopic stability. Always specify which grade.
Primary Applications
HPMC hard-shell capsules, direct compression tablets, sachets, stick packs, dry beverage mixes, food fortification, gummy premixes (heat-stable compounds only).
Water-Soluble Liquid Extract
What It Is
A concentrated botanical extract in an aqueous or glycerin carrier, engineered for direct water miscibility. Unlike a reconstituted dry powder (which often settles), a water-soluble liquid extract disperses homogeneously in aqueous systems without agitation — a manufacturing achievement, not a packaging difference.
How It Differs from Standard Liquid Extract
A standard liquid extract may carry ethanol or oil as the medium — not water-miscible. A water-soluble format uses water, glycerin, or a cyclodextrin/polysorbate solubilisation system to keep compounds in stable aqueous solution.
Specification
Request active compound concentration per mL and total dissolved solids (TDS) — this enables precise dose calculation in your formulation matrix.
Primary Applications
RTD functional beverages, liquid dietary supplements, oral tinctures, herbal syrups, effervescent tablet premixes, functional water, cosmetic aqueous phases.
Oil-Soluble Liquid Extract
What It Is
A botanical extract dissolved or suspended in a lipid carrier — MCT oil, sunflower oil, or fractionated coconut oil. Ideal for fat-soluble compound classes (carotenoids, sterols, fat-soluble vitamins, lipophilic terpenoids) that have inherently poor water solubility. The carrier oil simultaneously improves bioavailability of lipophilic compounds by mimicking a fat-containing food environment.
Solubility & Compatibility
Non-water-miscible. Will phase-separate in aqueous systems. For use in water-based formulations, an emulsification step is required. In oil-continuous systems — softgel fills, oily serums, lipid capsules — integrates directly without additional processing.
Stability
Susceptible to oxidative rancidity. Antioxidant excipients (mixed tocopherols, rosemary extract) required. Nitrogen flushing and amber glass or foil-sealed packaging for sensitive preparations.
Primary Applications
Softgel capsule fill, oil-based topical serums, facial oils, hair oils, fat-soluble vitamin preparations (D3, K2, astaxanthin), lipid-based oral drops.
PG & Hydroglycolic Extracts
What It Is
An extract using propylene glycol (PG), or a water-glycol blend (hydroglycolic), as solvent and carrier. PG is amphiphilic — miscible with both water and many organic solvents — making these extracts unusually versatile across aqueous and emulsion formulations.
Hydroglycolic vs Pure PG
Pure PG maximises lipophilic compound extraction. A hydroglycolic extract (water + PG, typically 30:70 or 50:50) captures a broader polarity range — both hydrophilic and moderately lipophilic compounds. Most versatile liquid format for full-spectrum botanical applications.
Why It Dominates Cosmetics
PG extracts integrate easily into both aqueous and oil-in-water emulsion systems without emulsification equipment — added directly to the aqueous phase at 0.5–3% w/w. PG also acts as a humectant and penetration enhancer in topical applications.
Oral Use
PG is GRAS at regulated levels. Used in liquid dietary supplements, herbal drops, oral sprays, and flavour systems. Confirm pharmaceutical-grade PG and maximum per-serving PG intake vs regulatory limits.
// Group B — Aromatic & Botanical Isolate Formats
Essential Oils vs Hydrosols: The Volatile Fraction Split
Essential Oils
What It Is
The volatile aromatic fraction of a plant, captured by steam distillation or cold expression. An essential oil captures only terpenes, terpenoids, and aromatic esters — it excludes non-volatile compounds (polyphenols, alkaloids, polysaccharides) entirely. It is not a general plant extract.
Why GC-MS Verification Is Non-Negotiable
Essential oil adulteration — cheaper synthetics or lower-quality oils added to genuine material — is one of the most prevalent quality issues in botanical supply. GC-MS profiling maps every detectable compound and its percentage, producing a chemical fingerprint verifiable against certified reference standards. Always request GC-MS with your order.
Solubility & Use Rate
Lipophilic — non-water-miscible. For water-based systems, solubilise with polysorbate 20 or 80. Typical use rates 0.1–2%. Specific components (limonene, linalool, citral, eugenol) are regulated at maximum levels in cosmetics — confirm compliance for your target market.
Primary Applications
Aromatherapy, flavour and fragrance (F&F) systems, cosmetics and personal care, oral flavouring, natural preservation (tea tree, thyme, oregano), and functional food flavouring.
Hydrosols (Floral Waters)
What It Is
The aqueous condensate co-produced alongside essential oil during steam distillation. When steam separates from plant material, it condenses into two phases: essential oil (lipophilic) and hydrosol (aqueous phase, containing water-soluble aromatic molecules). A hydrosol is not diluted essential oil — it is a genuinely distinct product with a different, gentler chemical profile.
Chemistry Difference vs Essential Oil
A hydrosol contains water-soluble aromatic compounds absent or minimal in the essential oil. Rose hydrosol is richer in phenylethyl alcohol relative to rose otto, because phenylethyl alcohol partitions preferentially into the aqueous phase. This makes hydrosols chemically distinct from, not inferior to, essential oils.
Quality Indicators
Authentic hydrosols: pH 3.8–5.5, shelf life 12–18 months with preservation, aroma true to the plant. Many commercial "hydrosols" are in fact diluted essential oils in water — authentic hydrosols cannot be replicated by dilution and are only produced as a co-product of genuine distillation.
Primary Applications
Facial toners and mists, cosmetic aqueous phase ingredient (replaces plain water), hair rinses, oral rinses, room sprays, and culinary applications (rose water, orange blossom in confectionery and beverage).
Gums, Resins & Oleoresins
What It Is
Plant exudates — complex mixtures secreted by plants as protective barriers. Gums (acacia, guar) are primarily polysaccharide matrices. Resins (Boswellia, Myrrh) are complex mixtures of resin acids, essential oil fractions, and waxes. Oleoresins are produced by solvent extraction, capturing both the essential oil fraction and non-volatile resin acids in one concentrated product.
Boswellia — The Primary Example
Boswellia serrata resin is the commercial source of boswellic acids (AKBA, KBA). Processed either into a standardised dry extract (boswellic acids by HPLC) or an oleoresin (natural compound matrix). The oleoresin preserves the full spectrum; the standardised extract guarantees minimum target potency. Always specify AKBA % on your CoA.
Gums as Functional Ingredients
Acacia (gum arabic) functions both as a dietary fibre ingredient and as a carrier for spray-drying heat-sensitive extracts — it forms a protective matrix around the active compound improving stability and dispersibility. One of the most effective natural encapsulation carriers available.
Primary Applications
Joint health supplements (Boswellia), oral care and antimicrobial (Myrrh), cosmetic fixative (Benzoin), Ayurvedic formulations (Guggul), beverage emulsification and dietary fibre (acacia gum).
// Group C — Lipid & Topical Base Formats
Carrier Oils, Infused Oils, Butters & Waxes: The Lipid Formulation Stack
Carrier Oils (Fixed Oils)
What It Is
The pressed lipid fractions of seeds, nuts, or fruits — called "fixed" because unlike essential oils they do not evaporate. Rich in fatty acids (oleic, linoleic, linolenic, lauric depending on source). A carrier oil is the ingredient itself, not an extraction medium — though it does contain naturally occurring minor bioactives (phytosterols, tocopherols, carotenoids, squalene) whose concentrations vary significantly by pressing method.
Cold-Press vs Heat-Processed
Cold-pressing below 40°C preserves the full minor component profile. Heat-processed oils (refined, bleached, deodorised — RBD) lose heat-sensitive actives but gain improved sensory neutrality and longer oxidative stability. Specify which grade your formulation requires.
Specification Parameters
Acid value (freshness), peroxide value (oxidation — below 10 meq/kg for fresh oil), iodine value (unsaturation, predicts oxidative stability), fatty acid profile by GC, and colour/clarity. For Ayurvedic applications confirm food-grade vs cosmetic-grade processing standard.
Primary Applications
Topical base oils (serums, massage oils), essential oil carrier, softgel fill base, Ayurvedic medicated oil preparation (taila), hair oil formulation, food-grade culinary applications. Jojoba, rosehip, sea buckthorn, black seed, argan are commercially significant premium carriers.
Infused Oils (Macerated Oils)
What It Is — and How It Differs from an Oil Extract
An infused oil macerates dried plant material directly in a carrier oil — the oil itself acts as the extraction solvent. An oil-soluble extract (Format 03) uses a chemical solvent to isolate specific compounds, then suspends them in carrier oil. Infused oils are whole-plant preparations preserving natural compound ratios; oil-soluble extracts are concentration-standardised isolates. Neither is superior — they serve different formulation goals.
Cold vs Warm Infusion
Cold infusion (ambient temperature, 4–6 weeks) — gentle, preserves heat-labile compounds, preferred for aromatic herbs. Warm infusion (40–60°C, 4–8 hours) — faster, more efficient extraction of lipophilic compounds, standard for root and bark material. Traditional Ayurvedic taila preparation uses a defined cooking method with decoctions.
Ayurvedic Taila
Medicated oils produced by cooking herb material in a base oil (typically sesame) with water-based herb decoctions until all water evaporates and actives transfer into the oil phase. Brahmi, Bhringraj, Ksheerabala, and Mahanarayan taila are established commercial examples with specific therapeutic traditions and applications.
Primary Applications
Topical muscle and pain relief, scalp and hair care, skin healing preparations (calendula, sea buckthorn, St. John's Wort infusions), Ayurvedic abhyanga massage oils, wound care, baby care. Preferred over standardised extracts where whole-plant synergy is the formulation rationale.
Butters & Waxes
What They Are
Plant butters are semi-solid at room temperature lipids produced by cold-pressing high-stearic or high-palmitic seeds and nuts. Their solid state is determined by fatty acid composition — higher saturated fatty acid content (stearic, palmitic) raises the melting point above room temperature. Plant waxes are harder, higher-melting materials — either extracted epicuticular waxes (carnauba, candelilla) or hydrogenated plant oils.
Key Butters
Shea — rich in stearic acid and unsaponifiable fraction (triterpenes, tocopherols); most widely used cosmetic butter. Mango seed — similar to shea, odourless; preferred for fragrance-neutral formulations. Kokum — very high stearic content, hard texture, rapid skin absorption. Cocoa — high stearic/palmitic, crisp melting profile; lip care and confectionery.
Key Waxes
Carnauba — hardest natural wax; pharmaceutical tablet film coat, food glazing agent. Candelilla — vegan beeswax alternative for lip products and balms. Rice bran wax — food-grade coating for confectionery and fresh produce. Jojoba — liquid wax ester at room temperature that mimics human sebum; premium skin and hair care.
Primary Applications
Anhydrous balms, lip balms, body butters, solid lotion bars, hair pomades, beard balms. Pharmaceutical tablet coatings (carnauba). Food-grade glazing agents (carnauba, rice bran). Structuring agents in water-in-oil emulsions (5–30% butter, 1–15% wax depending on target texture).
// Format Selection Guide
Which Extract Format Is Right for Your Product? A Formulator's Decision Guide
The correct format is determined by three variables in sequence: who you are (what industry you operate in), what you are making (the finished product type), and what the compound requires (its solubility class). Use this matrix to identify the correct format before enquiring — it will also help you write a more precise specification when you make contact.
// The Complete Framework
The HerbIQ Resource Hub
Overview
The HerbIQ framework and how to navigate it.
Source
Plant anatomy and the tissue layer where target chemistry is built.
Isolate
Extraction methods that lock in a clinical molecular dose.
Deliver
Delivery engineering — format, stability, and bioavailability vectors.
Prove
In-house quality verification and batch safety clearance.
Compound Index
Full metabolite reference across all plant families.
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