5L Fully Automated Compound Remediation System
A bench-scale system that refines a finished botanical extract, selectively removing unwanted constituents at room temperature while preserving the aromatics and actives.
COMERG • Anise extraction
Anise Seed
Pimpinella anisum L.
Turn aniseed into a pure, food-grade licorice extract with COMERG equipment. Our cold, room-temperature, low-pressure process captures the sweet, clean anethole note that gives anise its place in baking, confectionery and classic anise spirits, with no heat to dull it.
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93% trans-anethole
The spice
Pure, sweet licorice
Anise, Pimpinella anisum, is the small ribbed seed of a herb in the parsley family, the same family as fennel and coriander. Its sweet, clean, black-licorice scent comes almost entirely from a single compound, anethole, which is what makes the aroma of aniseed so focused and recognisable.
The seed is milled and processed cold, so the finished extract is a clear, concentrated licorice note rather than a cooked or bitter one. Anise is not the same plant as star anise, though both share the anethole that gives them their flavour.
Raw material
Botanical namePimpinella anisum L.
FamilyApiaceae
Plant partSeeds
ConditionDried, ground
OriginBulgaria
AvailabilityAll year
The extract
What the process delivers
Run on COMERG equipment, aniseed yields an exceptionally pure, standardised extract, batch after batch. Because the extraction is cold and solvent-light, with no high heat, the clean licorice note carries straight through to the finished oil. The figures below are typical of a standardised BAni-85.1 grade.
93%trans-Anethole
≥85%Volatile oil v/w
8.32DPPH IC50 mg/ml
<25 °CExtraction temp
~32 kgSeeds per kg extract
<0.1 g/kgSolvent residue
The method
Cold extraction, in three steps
No heat, no leftover solvent. This is what happens inside a COMERG aerosol system, and why the extract keeps the clean, sweet character of fresh aniseed.
1
Pressurised R134a flooding
Non-toxic liquefied R134a gas is introduced to the milled aniseed at controlled, low pressure. There is no heat, the cycle begins and stays at room temperature.
2
Selective aromatic dissolution
The liquid gas gently dissolves the anethole and the seed's aromatic oil, lifting the pure licorice note cleanly away from the spent seed.
3
Recovery and pure extract
The R134a is fully recovered and recycled in a closed loop. What is left is a concentrated anise extract, at least 85% volatile oil, with under 0.1 g/kg residue.
Aromatic profile
The compound fingerprint
Principal constituents identified by GC-MS, each above 1%. Anise is unusual, a single compound, trans-anethole, makes up the great majority of the oil, which is exactly why its licorice note is so pure and clean.
0%30%60%93%
A single dominant compound gives anise its clean licorice character. The remaining fraction is mostly fatty oil and other extractables. Per-batch GC-MS report available on request.
Specification
BAni-85.1 at a glance
Identity & origin
Botanical namePimpinella anisum L.
Plant partSeeds
OriginBulgaria
Product codeBAni-85.1
CAS No.84775-42-8
EINECS No.283-872-7
Production
MethodLiquefied-gas extraction
TemperatureBelow 25 °C
SolventFood-grade (Dir. 97/60/EC)
Solvent residue< 0.1 g/kg
StandardisationDeclared volatile oil
Concentration1 kg ≈ 30-35 kg seeds
Physical
AppearanceBrown-green oily liquid
Volatile oil85-88% v/w (ASTA)
INCI namePimpinella Anisum Extract
Density980-990 g/l
Refractive index1.5524
Acid value2.0 mg KOH/g
Solubility & output
In oilsFully soluble
In 40% alcoholPartial
In waterInsoluble
Ester value1.8-2.2 mg KOH/g
Flash point> 84 °C
Shelf life2 years
Why anise, why cold
A pure note, captured whole
A concentrated seed
Pimpinella anisum, Bulgaria
Plant partSeeds, milled
Seeds per kg extract~30-35 kg
Volatile oil≥ 85% v/w
AntioxidantDPPH IC50 8.32 mg/ml
Captured cold
Versus heat-based methods
trans-Anethole93% kept
Licorice noteClean, not bitter
Process temperature< 25 °C
Sweet topPreserved
Applications
What you can make
Bakery & biscotti
Confectionery & candy
Anise spirits & liqueurs
Beverages
Meat & savoury foods
Perfumery & cosmetics
This anise extract is edible and can be used concentrated or diluted in a carrier oil to suit the application. Typical filling rates for the concentrated extract in food are 3 to 50 mg per kilogram of product.
Why the COMERG line
Built for clean, pure spices like anise
A pure licorice note depends on a process that lifts the anethole cleanly and leaves nothing behind. Our line is engineered around exactly that kind of precise, gentle extraction.
Room temperatureR134a aerosol extraction works cold and at low pressure, so the sweet anethole note is never cooked into a bitter one.
A clean noteBecause almost all the aroma is one compound, cold extraction delivers an exceptionally pure, focused licorice character.
Fully automatedClosed-loop systems run the cycle for you, so results stay consistent and one operator can handle the line.
High-strength yieldLow-pressure extraction is quick and recovers up to 97% of the seed's oil, for a concentrated extract over 85% volatile oil.
Scales with youFrom a 10 l pilot unit to 2000 l production, the same method grows from R&D batches to full output.
Clean and economicalIt uses around 85% less energy than solvent methods and needs no special hazardous-location facility.
Why it wins
Compared to the alternatives
Against steam distillation, solvent and CO2, cold R134a extraction gives a clean, high-strength anise with no residual hydrocarbon solvent.
| Feature | COMERG R134a | Steam distillation | Solvent | CO₂ supercritical |
|---|---|---|---|---|
| Process temperature | < 25 °C (room temp) | 100-150 °C | 40-70 °C | 31-80 °C |
| Aromatic preservation | 95%+ | 70-85% | ~85% | ~85% |
| Licorice purity | Clean, sweet | Can turn bitter | Good | Good |
| Compound recovery | up to 97% | 75-88% | 80-90% | 85-92% |
| Solvent residue | < 0.1 g/kg | None | Needs post-purge | None |
| Energy use | 85% less vs solvent | High | Medium-high | Very high |
| Special facility | Not required | Not required | Required | High-pressure safety |
From seed to extract
The machines for anise
A complete COMERG line takes anise from raw seed to a finished extract. These are the core stages, each available as standalone equipment.
Aerosol extraction
The heart of the line. Liquefied-gas systems that pull anise oil cold, below 25 °C, from 10 l pilot units up to 2000 l.
Room temp • 97% recoveryView system
Seed separation
Cleans and separates the aniseed from stalk and chaff before milling, so only sound, aromatic seed reaches the extractor.
Prep stageView machine
The complete spice line
From a 10 l pilot system to industrial 2000 l lines, the same cold process scales with your volume.
10 l - 2000 lBrowse all equipment
Product specificationFull composition, properties, packaging and handling for anise extract BAni-85.1.
Download PDF
Questions
Anise extraction, explained
A 100% natural aniseed extract from Pimpinella anisum, product code BAni-85.1. It reaches at least 85% volatile oil, around 93% of which is trans-anethole, the pure licorice note, with no additives.
Liquefied food-grade gas extraction at room temperature, below 25 °C, and low pressure. Because there is no high heat, the sweet anethole note is preserved and solvent residue stays below 0.1 g/kg.
No. Anise (Pimpinella anisum) is a small seed from a herb in the parsley family, while star anise comes from a different plant entirely. They share the anethole that gives both their licorice flavour.
Roughly 1 kg of extract represents around 30 to 35 kg of aniseed, a high-strength yield typical of this seed.
Yes. It is produced with a food-grade solvent per Directive 97/60/EC. Typical filling rates are 3 to 50 mg per kilogram of food product. It is a raw material for formulation, not for direct or undiluted use.
Yes. The same cold process runs from a 10 l pilot unit to 2000 l production systems, so you can start small and grow without changing method.
Yes. A per-batch GC-MS analysis is available on request, and a Safety Data Sheet per 2006/1907/EC is supplied with the product.
Set up your anise line
Tell us your throughput and target product. We will recommend the right system, share a yield estimate for your aniseed, and reply with pricing and lead time, usually within 48 hours.
COMERG extracts are raw materials for product formulation. They are not intended for direct consumption or for undiluted topical application in cosmetics, perfumery or aromatherapy. This information is provided to the best of our knowledge and is not a substitute for prior testing of suitability for the intended use. Keep away from children.
The anise line
Equipment for processing anise
The machines below make up the anise line, the equipment that takes the seed through to a finished extract. Request a quote on any unit and we will reply with pricing and lead time.
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