Flaxseed is the seed of flax, rich in alpha-linolenic acid (ALA), lignans, high-quality protein, dietary fiber, and various vitamins, minerals, and plant compounds. These components help regulate lipid metabolism, prevent cardiovascular disease and cancer, and play an important role in human health.
Why Choose Supercritical CO₂ Extraction?
High-Purity Extraction
The α-linolenic acid content reaches 53% or higher, far exceeding traditional cold pressing (35%-40%) and avoiding the oxidation and degradation issues of hot pressing.
No Solvent Residue
CO₂ is a food-grade medium, ensuring a chemical-free process that complies with international safety standards (SGS certified).
Low-Temperature & High Efficiency
1.Extraction occurs at 35-45°C, preserving heat-sensitive nutrients (e.g., lignans, vitamin E).
2.30% higher efficiency than cold pressing, with 20%-25% greater oil yield.
Integrated Refining
Extraction and separation occur simultaneously, eliminating complex refining steps (dewaxing, degumming). The final product is clear and ready for use without secondary refining.
The main parameter of supercritical CO2 extraction equipment
|
Pressure |
400bar |
Temperature |
85℃(according water boiling point at site) |
|
Service |
Turnkey |
Material |
SS304 or SS316 |
|
Brand |
Landerlee |
Extractor |
Two extractors. |
|
Vessels volume |
from 25L to 300L |
Pressure vessels standard |
China standard/ASME/PED |
|
Manufacture time |
2 to 5months |
Separator |
three |
|
Guarantee |
One year |
Supercritical CO₂ Extraction Process for Linseed
1. Raw Material Preparation
Linseed cleaning and screening.
Crushing to 40-80 mesh fineness.
2. Supercritical Extraction
CO₂ becomes a supercritical fluid at 35-45°C, 30MPa.
The fluid penetrates the raw material, dissolving the oil (1.5-2.5 hours).
3. Separation & Recovery
Pressure reduction causes oil precipitation.
CO₂ is liquefied and recycled.
4. Finished Product
Directly obtain high-purity linseed oil (α-linolenic acid ≥ 53%).
Defatted meal can be further processed.
Applications
1. Premium Linseed Oil
Directly bottled for maternal & infant nutrition, health supplements (α-linolenic acid ≥ 50%).
2. Linseed Meal Processing
Defatted meal yields protein (20-30%), dietary fiber (25%), lignans (0.7-2%), used in meal replacements, baking ingredients.
3.Pharmaceuticals & Cosmetics
High-purity omega-3 for capsules.
Linseed gum replaces synthetic thickeners in lotions, face masks.
Flow chart
Models of supercritical CO2 extraction equipment
Note:
1) All the pressure vessels design and manufacture standard can be with China standard/ASME standard/PED standard.
2) We can design and manufacture with your special factory layout, special product requirement.
Factory show
Packing photo
FAQ
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