Supercritical CO2 vs Ethanol Extraction for Pharmaceutical Applications
Pharmaceutical extraction demands high precision and purity. Both CO2 supercritical extraction and ethanol extraction are widely used, but CO2 is increasingly favored for its safety and efficiency.
Selective Extraction: Targets bioactive compounds with high precision.
No Residual Solvents: Ensures pharmaceutical-grade purity.
Preserves Bioactivity: Essential for producing effective medicines.
Broad-Spectrum Extraction: Useful for full-plant extracts.
More Processing Steps: Requires additional filtration.
Factor | CO2 Supercritical Extraction | Ethanol Extraction |
---|---|---|
Purity | Pharmaceutical-grade | Requires extra purification |
Bioavailability | High | Can degrade some compounds |
Solvent Safety | No residue | Ethanol traces possible |
Pharmaceutical companies use CO2 supercritical extraction machines to produce herbal medicines free of solvent residues.
For pharmaceutical applications, CO2 supercritical extraction is superior in purity, efficiency, and compliance with regulatory standards.
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