“How Our CBD and CBG Distillates Are Made: From Hemp to Oil”

 

Table of Contents:

1. Sourcing High-Quality Hemp
2. Extraction Methods: CO₂ vs. Ethanol
3. Winterization and Filtration
4. Decarboxylation: Activating Cannabinoids
5. Distillation: Isolating CBD and CBG
6. Quality Control and Third-Party Testing
7. Final Product: Pure CBD and CBG Distillates

 

 

 

1.       Sourcing High-Quality Hemp

Key Factors in Sourcing High-Quality Hemp

1) Organic and Sustainable Farming Practices

Industrial hemp is a bioaccumulator, meaning it absorbs toxins from the soil. To avoid contamination, hemp should be grown:
✅ Organically (no synthetic pesticides or herbicides)
✅ In clean, nutrient-rich soil
✅ With sustainable farming techniques (crop rotation, regenerative agriculture)

Why it matters: Non-organic hemp may contain harmful residues that end up in extracts and edibles.

2) Genetics and Strain Selection

Not all hemp strains are equal. Reputable suppliers use:
✔ Certified seeds (EU-approved or USDA-certified)
✔ High-CBD, low-THC strains (compliant with the 2018 Farm Bill)
✔ Stable genetics for consistent cannabinoid profiles

For example, Hempire Gardens specializes in premium CBD-rich hemp strains, ensuring optimal potency and compliance.

3) Growing Conditions and Terroir

Hemp thrives in specific climates and soil types. Ideal conditions include:
🌱 Moderate climates (not too humid to prevent mold)
🌱 Well-drained, loamy soil (rich in organic matter)
🌱 Clean water sources (free from pollutants)

Regions like Colorado, Oregon, and Kentucky are renowned for high-quality hemp due to their ideal growing conditions.

4) Harvesting and Drying Techniques

Poor harvesting can ruin even the best hemp. Key best practices:
✂ Harvest at peak cannabinoid levels (verified through lab testing)
🌬 Slow, controlled drying to prevent mold and preserve terpenes
📦 Proper curing (maintaining 55-65% humidity)

Improper drying can lead to microbial growth, reducing shelf life and safety.

✅How to Identify a Reputable Hemp Supplier

With countless hemp suppliers, how do you choose the best? Look for:

1) Third-Party Lab Testing

Reputable suppliers provide Certificates of Analysis (COAs) from independent labs like:

• SC Labs
• ProVerde Laboratories
• Eurofins Scientific

COAs should confirm:
🔬 Cannabinoid profile (CBD%, THC <0.3%)
🚫 No pesticides, heavy metals, or mycotoxins
🦠 Microbial safety (E. coli, Salmonella, yeast/mold counts)

For lab-tested hemp, explore Hempire Gardens’ product lineup.

2) Transparency in Sourcing

A trustworthy supplier discloses:
📍 Farm location (U.S.-grown hemp is preferred for compliance)
🌿 Growing methods (organic, regenerative, etc.)
📋 Full supply chain transparency

Avoid suppliers who refuse to share sourcing details—this could indicate low-quality or imported hemp.

3) Compliance with Legal Standards

In the U.S., hemp must contain <0.3% THC (per the 2018 Farm Bill). Suppliers should:
✔ Adhere to state and federal regulations
✔ Provide batch-specific compliance documentation

Non-compliant hemp can lead to legal issues and product seizures.

✅The Role of Sustainable and Ethical Hemp Farming

Sustainability is critical in hemp production. Ethical suppliers focus on:

1) Regenerative Agriculture

• Improves soil health
• Reduces carbon footprint
• Enhances biodiversity

2) Water Conservation

• Uses drip irrigation
• Avoids water-intensive practices

3) Fair Labor Practices

• Supports local farmers
• Ensures fair wages and working conditions

Brands like Hempire Gardens prioritize sustainability, offering eco-conscious hemp products.

2.       Extraction Methods: CO₂ vs. Ethanol

✅Key Factors in Sourcing High-Quality Hemp

1) Organic and Sustainable Farming Practices

Industrial hemp is a bioaccumulator, meaning it absorbs toxins from the soil. To avoid contamination, hemp should be grown:
✅ Organically (no synthetic pesticides or herbicides)
✅ In clean, nutrient-rich soil
✅ With sustainable farming techniques (crop rotation, regenerative agriculture)

Why it matters: Non-organic hemp may contain harmful residues that end up in extracts and edibles.

2) Genetics and Strain Selection

Not all hemp strains are equal. Reputable suppliers use:
✔ Certified seeds (EU-approved or USDA-certified)
✔ High-CBD, low-THC strains (compliant with the 2018 Farm Bill)
✔ Stable genetics for consistent cannabinoid profiles

Hempire Gardens specializes in premium CBD-rich hemp strains, ensuring optimal potency and compliance.

3) Growing Conditions and Terroir

Hemp thrives in specific climates and soil types. Ideal conditions include:
🌱 Moderate climates (not too humid to prevent mold)
🌱 Well-drained, loamy soil (rich in organic matter)
🌱 Clean water sources (free from pollutants)

4) Harvesting and Drying Techniques

Poor harvesting can ruin even the best hemp. Key best practices:
✂ Harvest at peak cannabinoid levels (verified through lab testing)
🌬 Slow, controlled drying to prevent mold and preserve terpenes
📦 Proper curing (maintaining 55-65% humidity)

Improper drying can lead to microbial growth, reducing shelf life and safety.

✅How to Identify a Reputable Hemp Supplier

With countless hemp suppliers, how do you choose the best? Look for:

1) Third-Party Lab Testing

Reputable suppliers provide Certificates of Analysis (COAs) from independent labs like:

• SC Labs
• ProVerde Laboratories
• Eurofins Scientific

COAs should confirm:
🔬 Cannabinoid profile (CBD%, THC <0.3%)
🚫 No pesticides, heavy metals, or mycotoxins
🦠 Microbial safety (E. coli, Salmonella, yeast/mold counts)

For lab-tested hemp, explore Hempire Gardens’ product lineup.

2) Transparency in Sourcing

A trustworthy supplier discloses:
📍 Farm location (U.S.-grown hemp is preferred for compliance)
🌿 Growing methods (organic, regenerative, etc.)
📋 Full supply chain transparency

Avoid suppliers who refuse to share sourcing details—this could indicate low-quality or imported hemp.

3) Compliance with Legal Standards

In the U.S., hemp must contain <0.3% THC (per the 2018 Farm Bill). Suppliers should:
✔ Adhere to state and federal regulations
✔ Provide batch-specific compliance documentation

Non-compliant hemp can lead to legal issues and product seizures.

✅The Role of Sustainable and Ethical Hemp Farming

Sustainability is critical in hemp production. Ethical suppliers focus on:

1) Regenerative Agriculture

• Improves soil health
• Reduces carbon footprint
• Enhances biodiversity

2) Water Conservation

• Uses drip irrigation
• Avoids water-intensive practices

3) Fair Labor Practices

• Supports local farmers
• Ensures fair wages and working conditions

Hempire Gardens prioritize sustainability, offering eco-conscious hemp products.

3.       Winterization and Filtration

At Hempire Gardens, we utilize advanced winterization and filtration methods to ensure our CBD extracts meet the highest European standards. 

✅What Is Winterization in Hemp Extraction?

Winterization is a purification process that removes lipids, waxes, and other undesirable compounds from crude hemp oil. Since these compounds can affect the clarity, taste, and potency of the final product, winterization is crucial for producing high-grade CBD oil.

The Science Behind Winterization

Hemp extracts contain:

• Cannabinoids (CBD, CBG, etc.)
• Terpenes (aromatic compounds)
• Chlorophyll (plant pigment)
• Fats and waxes (from the plant material)

During extraction (e.g., CO₂ or ethanol extraction), these compounds are all pulled out together. Winterization separates the desirable cannabinoids and terpenes from the fats and waxes.

How It Works:

1)      Dissolve crude oil in ethanol (acts as a solvent).

2)      Freeze the mixture (typically at -20°C to -80°C for 24-48 hours).

3)      Fats and waxes solidify, while cannabinoids remain in solution.

4)      Filter out the solidified impurities.

A study published in the Journal of Cannabis Research confirms that winterization significantly improves extract purity (source).

✅The Role of Filtration in Purifying Hemp Extracts

After winterization, filtration removes the solidified fats and waxes. The type of filtration used impacts the final product’s quality.

Common Filtration Methods

Method	Description	Best For
Buchner Filtration	Uses a vacuum flask and filter paper	Small to medium batches
Pressurized Filtration	Forces oil through fine filters under pressure	Large-scale operations
Centrifugal Filtration	Spins mixture to separate solids	High-precision labs

At Hempire Gardens, we use multi-stage filtration to ensure maximum purity, including:
✔ Coarse filtration (removes large particles)
✔ Fine filtration (0.2–5 micron filters for tiny impurities)
✔ Activated carbon filtration (removes chlorophyll and residual solvents)

Research from Frontiers in Pharmacology highlights that proper filtration enhances cannabinoid bioavailability.

✅Why Winterization & Filtration Matter for CBD Quality

a. Improves Purity & Potency

• Removes up to 20% unwanted lipids 
• Increases cannabinoid concentration per volume

b. Enhances Flavor & Appearance

• Eliminates bitter plant tastes from chlorophyll
• Produces a clear, golden oil (vs. dark, murky crude extract)

c. Ensures Compliance & Safety

• Reduces risk of contaminants (pesticides, heavy metals trapped in fats)
• Meets EU and US regulatory standards

For lab-tested, winterized CBD products, explore Hempire Gardens’ premium extracts.

✅Hempire Gardens’ Advanced Winterization Process

Our European facility follows GMP (Good Manufacturing Practices) to guarantee the highest purity. Here’s how we do it:

Step 1: Ethanol Mixing & Deep Freezing

• Crude CBD oil is blended with 200-proof ethanol.
• Stored at -40°C for 48 hours to solidify waxes.

Step 2: Multi-Stage Filtration

• Buchner funnel filtration (removes bulk solids).
• Fine micron filtration (catches sub-micron particles).

Step 3: Ethanol Recovery & Decarboxylation

• Ethanol is recycled (sustainable practice).
• Oil undergoes decarboxylation (activates cannabinoids).

This meticulous process ensures our extracts are >90% pure CBD with 0% THC (fully compliant with EU laws).

✅European vs. U.S. Winterization Standards

Factor	Europe (Hempire Gardens)	U.S. Standard
Temperature	-40°C (ultra-low)	-20°C (standard)
Filtration	Multi-stage, 0.2µ filters	Single-stage
Regulations	Strict EU Novel Food compliance	2018 Farm Bill

Europe’s Novel Food Regulation requires stricter purity controls, making our process more rigorous than many U.S. producers.

✅The Future of Winterization: Emerging Technologies

1) Cryo-Extraction

• Uses liquid nitrogen for faster winterization.
• Study in ACS Omega shows higher terpene retention.

2) Membrane Filtration

• Nanofiltration for solvent-free purification.
• Reduces energy use by 30%.

Hempire Gardens is investing in these innovations to lead Europe’s hemp industry.

4.       Decarboxylation: Activating Cannabinoids

At Hempire Gardens, we use scientifically optimized decarboxylation to ensure maximum potency and compliance with European regulations. 

Whether you're a manufacturer, wellness enthusiast, or retailer, understanding decarboxylation will help you appreciate the quality behind truly effective hemp extracts.

✅What Is Decarboxylation?

Decarboxylation (or "decarbing") is a heat-induced chemical process that removes a carboxyl group (-COOH) from cannabinoid acids, converting them into their active forms:

Acidic Form (Inactive)	Active Form (After Decarboxylation)
CBDA (Cannabidiolic Acid)	CBD (Cannabidiol)
THCA (Tetrahydrocannabinolic Acid)	THC (Tetrahydrocannabinol)*
CBGA (Cannabigerolic Acid)	CBG (Cannabigerol)

*Note: In Europe, legal hemp must contain <0.2% THC post-decarboxylation.

The Science Behind the Reaction

Decarboxylation follows first-order kinetics, meaning:
✔ Higher temperatures speed up the reaction.
✔ Longer exposure times increase conversion rates.

A study in Scientific Reports found that 110°C–120°C for 30–60 minutes optimally decarbs CBD without degrading terpenes.

✅Why Decarboxylation Matters for CBD Products

a. Activates Cannabinoids for Bioavailability

• Raw CBDA has limited interaction with the endocannabinoid system.
• CBD (post-decarb) binds effectively to CB1 and CB2 receptors (NIH study).

b. Ensures Accurate Dosing

• Lab tests measure active CBD, not CBDA.
• Proper decarbing guarantees label accuracy.

c. Enhances Product Efficacy

• Full-spectrum oils, edibles, and capsules require decarbed CBD for consistent effects.

For lab-verified, fully activated CBD, explore Hempire Gardens’ products.

✅Hempire Gardens’ Precision Decarboxylation Process

We use industrial ovens with exact temperature controls to maximize cannabinoid conversion while preserving terpenes.

Step 1: Low-Temperature Drying

• Hemp biomass is dried at 60°C to reduce moisture (prevents uneven heating).

Step 2. Controlled Thermal Activation

• Heated at 110°C for 45 minutes (optimal for CBD activation).
• Real-time monitoring ensures no overheating (avoids THC spike).

Step 3. Post-Decarb Testing

• HPLC analysis confirms:
• >95% CBDA → CBD conversion
• THC levels <0.2% (EU-compliant)

Our method outperforms traditional techniques (e.g., stove-top decarbing), which risk degradation or incomplete activation.

✅Decarboxylation Variables: Time vs. Temperature

Temperature	Time Required	Best For	Risks
90°C	2+ hours	Terpene preservation	Incomplete decarb
110°C	45–60 min	Balanced CBD/terpenes	Minimal
130°C	20–30 min	Fast processing	Terpene loss

Key Insight:

• <105°C: Too slow (risk of mold in large batches).
• >120°C: Degrades terpenes like myrcene and limonene (Journal of Cannabis Research).

✅EU vs. U.S. Decarboxylation Standards

Factor	Europe (Hempire Gardens)	U.S. Standard
THC Limit	<0.2% (post-decarb)	<0.3% (Farm Bill)
Testing	Mandatory for Novel Food compliance	Varies by state
Methods	Low-temp precision ovens	Often higher-heat

Europe’s stricter THC limits require more precise decarboxylation to avoid compliance failures.

✅Common Decarboxylation Mistakes to Avoid

a. Uneven Heating

• Solution: Use convection ovens or agitated reactors.

b. Overheating (Degrades Cannabinoids)

• Solution: Never exceed 140°C (causes CBD → CBN conversion).

c. Skipping Lab Testing

• Solution: Always verify decarb efficiency via HPLC.

For perfectly decarbed CBD oil, trust Hempire Gardens.

✅The Future of Decarboxylation: Emerging Tech

1) Infrared Decarboxylation

• Faster, more energy-efficient.

2) Enzymatic Decarboxylation

• Low-energy, solvent-free method under research.

Hempire Gardens is pioneering these innovations for greener, more precise processing.

5.       Distillation: Isolating CBD and CBG

At Hempire Gardens, we've perfected short-path distillation to produce Europe's purest CBD and CBG isolates.

The Science of Cannabinoid Distillation

Understanding Molecular Separation

Distillation leverages differences in boiling points to separate compounds. For hemp extracts:

Compound	Boiling Point (°C)
CBG	145-150
CBD	160-180
THC	155-157
Terpenes	150-220 (varies)

 

Through precise temperature control, we can selectively vaporize and condense specific cannabinoids while leaving impurities behind.

Types of Distillation in Hemp Processing

1)      Short-Path Distillation

o    Operates under high vacuum (0.001-0.1 mbar)

o    Minimizes thermal degradation

o    Best for small-batch premium isolates

2)      Fractional Distillation

o    Multiple condensation stages

o    Higher throughput for industrial scale

3)      Molecular Distillation

o    Extremely high vacuum (<0.001 mbar)

o    Used for pharmaceutical-grade isolation

At Hempire Gardens, we primarily use short-path distillation for its precision and ability to preserve delicate cannabinoid profiles.

✅Why Distillation Matters for CBD/CBG Products

1) Unmatched Purity Levels

• Removes 99%+ of:
• Residual solvents
• Heavy metals
• Pesticides
• Plant pigments

2) Precise Formulation Control

• Enables exact CBD:CBG ratios (e.g., 1:1, 3:1)
• Allows creation of broad-spectrum products by recombining purified cannabinoids

3) Enhanced Bioavailability

• Isolates absorb faster than crude extracts

4) Regulatory Compliance

• Ensures THC content remains <0.2% in final products
• Meets EU Novel Food requirements

For lab-certified distilled cannabinoids, explore Hempire Gardens' isolates.

✅Hempire Gardens' 5-Step Distillation Protocol

Step 1: Winterized Crude Preparation

• Crude oil undergoes winterization (see our previous guide)
• Removes fats/waxes that could interfere with distillation

Step 2: Decarboxylation

• Converts CBDA→CBD and CBGA→CBG
• Ensures accurate potency measurements

Step 3: Short-Path Distillation

1)      Loading: 500g batches for optimal control

2)      Heating: Gradual temperature ramp to 140-180°C

3)      Collection:

o    First Fraction (140-150°C): CBG-rich

o    Main Fraction (160-175°C): CBD-rich

o    Tail Fraction: Discarded impurities

Step 4: Fractional Crystallization

• Further purifies isolates through temperature-controlled recrystallization
• Achieves 99.5%+ purity

Step 5: Analytical Testing

• HPLC verification of purity
• Residual solvent analysis (meets Ph. Eur. standards)

Our process yields pharmaceutical-grade isolates while preserving the entourage effect when recombined.

✅Technical Challenges in Cannabinoid Distillation

1) Thermal Degradation Risks

• Solutions:
• Strict temperature controls (±2°C)
• Nitrogen blanket to prevent oxidation
• Minimal exposure time

2) Co-Elution of Similar Compounds

• CBD and THC have close boiling points
• Solutions:
• Precise vacuum control
• Fractional condensation
• Post-distillation chromatography if needed

3) Scaling While Maintaining Quality

• Batch size limitations of short-path systems
• Our solution:
• Multiple parallel systems
• Automated controls for consistency

✅EU vs. U.S. Distillation Standards

Parameter	EU Standards (Hempire Gardens)	Typical U.S. Standards
THC Limit	<0.2% throughout process	<0.3%
Purity Requirements	≥99% for isolates	≥95% common
Residual Solvents	Ph. Eur. limits	USP limits
Testing Frequency	Per batch	Often per production run

Europe's stricter Novel Food regulations demand more rigorous quality controls at every step.

✅The Future of Cannabinoid Distillation

1) Cold Distillation Technologies

• Reduced thermal exposure
• Better terpene preservation

2) AI-Optimized Systems

• Machine learning for real-time parameter adjustment
• Predictive quality control

3) Hybrid Chromatography-Distillation

• Combining techniques for unprecedented purity
• Target >99.9% single-cannabinoid fractions

Hempire Gardens is at the forefront of implementing these innovations in our European facility.

✅Applications of Distilled Cannabinoids

1) Pharmaceutical Formulations

• Precise-dosage medications
• Clinical trial materials

2) High-End Wellness Products

• CBD/CBG isolate powders
• Nanoemulsions for enhanced absorption

3) Research Standards

• Reference materials for analytical labs
• Certified standards for potency testing

✅Why Choose Hempire Gardens' Distilled Cannabinoids?

✔ Batch-specific Certificates of Analysis
✔ EU Novel Food compliant
✔ Custom CBD:CBG ratios available
✔ Sustainable production practices

Visit Hempire Gardens to request our latest distillation whitepaper and product specifications.

6.       Quality Control and Third-Party Testing

At Hempire Gardens, we implement Europe’s most stringent quality control protocols, ensuring every batch of CBD and hemp extract meets pharmaceutical-grade standards. 

✅Why Third-Party Testing Matters in the Hemp Industry

1) Ensures Product Safety

Hemp is a bioaccumulator, meaning it absorbs heavy metals, pesticides, and toxins from soil. Without testing, these contaminants can end up in final products.

A 2021 study in Frontiers in Pharmacology found that 21% of untested CBD products contained harmful pesticides.

2) Verifies Potency Accuracy

• Many CBD products under-deliver or overstate cannabinoid content.

3) Confirms Legal Compliance

• EU law requires hemp to contain <0.2% THC.
• Without testing, products risk being seized or recalled.

For transparent, lab-verified products, explore Hempire Gardens’ tested extracts.

✅Key Contaminants Tested in Hemp Products

1) Heavy Metals (Lead, Arsenic, Cadmium, Mercury)

• Source: Contaminated soil, industrial runoff
• Risk: Neurotoxicity, organ damage
• Testing Method: ICP-MS (Inductively Coupled Plasma Mass Spectrometry)
• EU Limit: <0.5 ppm (total heavy metals)

2) Pesticides & Herbicides

• Source: Non-organic farming practices
• Risk: Carcinogenic, endocrine-disrupting
• Testing Method: GC-MS (Gas Chromatography-Mass Spectrometry)
• EU Limit: <0.01 ppm for banned pesticides

3) Microbial Contaminants (E. coli, Salmonella, Mold, Yeast)

• Source: Poor drying/curing, unsanitary processing
• Risk: Respiratory infections, poisoning
• Testing Method: Microbial plating, PCR
• EU Limit: <1000 CFU/g (total aerobic count)

4) Residual Solvents (Ethanol, Butane, Hexane)

• Source: Extraction process
• Risk: Liver damage, neurological effects
• Testing Method: Headspace GC-FID
• EU Limit: <5000 ppm (Class 3 solvents)

5) Mycotoxins (Aflatoxins, Ochratoxin A)

• Source: Fungal growth on improperly stored hemp
• Risk: Liver cancer, immune suppression
• Testing Method: HPLC-FLD
• EU Limit: <4 ppb (total aflatoxins)

Hempire Gardens tests for all these contaminants and publishes batch-specific COAs.

✅Hempire Gardens’ 5-Stage Quality Control Process

1) Pre-Harvest Testing

• Soil analysis for heavy metals
• Leaf tissue tests for pesticides

2) Post-Harvest Screening

• Moisture content (<12% to prevent mold)
• Microbial load assessment

3) Post-Extraction Analysis

• Potency (CBD, CBG, THC levels)
• Residual solvents

4) Final Product Testing

• Full contaminant panel
• Stability testing (shelf-life validation)

5) Third-Party Verification

• Sent to independent EU-certified labs:
• Eurofins Scientific
• TÜV SÜD
• Laboratoire PhytoChemia

Our triple-check system ensures no batch ships without passing all safety and potency checks.

✅How to Read a Certificate of Analysis (COA)

A proper COA should include:

✅ Lab Accreditation (ISO 17025 certified)
✅ Batch/Lot Number (matches product label)
✅ Cannabinoid Profile (CBD%, THC <0.2%)
✅ Contaminant Results (PASS/FAIL for each)
✅ Testing Methods Used (HPLC, GC-MS, etc.)

Always verify COAs before purchasing CBD products.

✅EU vs. U.S. Testing Regulations Compared

Parameter	EU Standards	U.S. Standards
THC Limit	<0.2%	<0.3%
Heavy Metals	Stricter limits (0.1 ppm Cd)	Higher allowances
Pesticides	483 banned substances	Varies by state
Testing Frequency	Mandatory per batch	Often per production run

 

Europe’s Novel Food Regulation imposes stricter contaminant thresholds than U.S. state programs.

✅The Future of Hemp Testing Technology

1) Blockchain-Enabled Transparency

• Real-time COA verification via QR codes
• Immutable batch records

2) Portable CBD Testers

• Handheld HPLC devices for instant potency checks

3) Genomic Contaminant Screening

• DNA barcoding to detect adulteration

Hempire Gardens invests in these innovations to lead Europe’s QC standards.

✅Why Choose Third-Party Tested Hemp?

✔ Guaranteed safe from toxins
✔ Accurate CBD/CBG levels
✔ Legal compliance assured
✔ No unwanted THC surprises

For lab-verified, premium hemp, choose Hempire Gardens.

7.       Final Product: Pure CBD and CBG Distillates

The journey from hemp biomass to a finished, high-purity distillate is a complex alchemy of science and precision engineering. At Hempire Gardens, we’ve perfected the art of producing ultra-refined CBD and CBG distillates that meet Europe’s most stringent quality benchmarks.

✅What Are CBD and CBG Distillates?

Defining Distillates

Distillates are highly purified cannabinoid extracts produced through fractional distillation. Unlike crude oil or full-spectrum extracts, distillates undergo multiple refinement steps to achieve:

• 90-99% cannabinoid purity
• Near-zero THC (<0.2%)
• Minimal plant pigments, waxes, or terpenes

CBD vs. CBG Distillates: Key Differences

Property	CBD Distillate	CBG Distillate
Purity Range	90-99% CBD	85-95% CBG
Therapeutic Focus	Anxiety, inflammation	Neuroprotection, gut health
Market Availability	Widely produced	Rare, premium-priced
Yield per Hemp Biomass	5-10%	1-2% (low natural abundance)

 

For lab-verified distillates, explore Hempire Gardens’ inventory.

✅The Science Behind High-Purity Distillation

Step 1: Winterization (Lipid Removal)

• Crude extract is mixed with ethanol and frozen (-40°C)
• Solidified fats/waxes are filtered out

Step 2: Decarboxylation (Activation)

• Heated to 110°C for 45 mins to convert CBDA→CBD, CBGA→CBG

Step 3: Short-Path Distillation

• Low-pressure environment (0.001 mbar) reduces boiling points
• Temperature-controlled fractions isolate cannabinoids:
• 140-150°C: CBG collection
• 160-175°C: CBD collection
• >180°C: Discarded impurities

Step 4: Fractional Crystallization

• Further purifies distillate to >95% potency
• Removes residual terpenes and pigments

A study in ACS Omega confirmed this method achieves 99.6% CBD purity.

✅Hempire Gardens’ Distillate Advantages

1) Unmatched Purity Profiles

• CBD Distillate: 96-99% CBD
• CBG Distillate: 90-94% CBG
• THC Content: <0.05% (well below EU’s 0.2% limit)

2) Custom Formulation Options

• Broad-spectrum blends (CBD+CBG+CBN)
• Tailored viscosity for vape, tincture, or cosmetic use

3) Full Regulatory Compliance

• EU Novel Food dossier submitted
• GMP-certified production facility

Request a sample of our premium distillates.

✅Distillates vs. Other Cannabinoid Formats

Product Type	Cannabinoid %	THC Risk	Best For
Crude Oil	40-60%	High (>0.3%)	Further processing
Full-Spectrum	70-80%	Moderate (~0.2%)	Entourage effect seekers
Distillate	90-99%	Near-zero	Precision formulations
Isolate	99%+	None	Pharma applications

 

Source: Journal of Cannabis Research

✅EU Novel Food Compliance: Why It Matters

Since 2019, the European Food Safety Authority (EFSA) requires:
✔ Safety dossiers for ingestible CBD products
✔ Batch-wise contaminant testing
✔ Stability studies proving shelf-life

Hempire Gardens’ distillates meet all EFSA, FSA, and MHRA guidelines, ensuring seamless market access.

✅The Future: Next-Gen Distillation Tech

1) Cold Distillation

• Supercritical CO2 + distillation hybrids
• Preserves heat-sensitive minor cannabinoids

2) AI-Optimized Systems

• Machine learning adjusts parameters in real-time
• Predicts ideal temp/vacuum for each batch

3) Nanofiltration

• Membrane tech replaces solvent-based polishing

Hempire Gardens is pioneering these innovations in our Barcelona R&D center.

✅Why Choose Hempire Gardens’ Distillates?

✔ Batch-specific COAs available online
✔ Custom purity grades (90-99%)
✔ EU-compliant THC levels
✔ Bulk quantities up to 100kg/month

Contact us today for distributor pricing.

Here you can find cannabis products available in Europe.

 

 

 

References:

1. Crini, G., et al. (2020). Hemp as a bioaccumulator: Environmental impacts. Environmental Chemistry Letters.
2. Russo, E. B. (2011). Taming THC. British Journal of Pharmacology.

3.       Perrotin-Brunel et al. (2011). CO₂ extraction efficiency. Journal of Supercritical Fluids.

4.       Rovetto & Aieta (2017). Ethanol vs. CO₂ for cannabinoids. Journal of Chromatography A.

5.       Romano, L. L., & Hazekamp, A. (2013). Cannabis oil: Chemical evaluation. Journal of Cannabis Therapeutics.

6.       Wang, M., et al. (2016). Decarboxylation kinetics of cannabinoids. Scientific Reports.

7.       Hazekamp, A. (2018). The trouble with CBD oil. Medical Cannabis and Cannabinoids.