CO2 Extraction vs Ethanol Extraction: Which Method is Superior for Purity and Efficiency?

Introduction

CO2 extraction and ethanol extraction are two of the most commonly used methods for extracting bioactive compounds from plants. While both methods have their advantages, CO2 extraction is often preferred for its purity, selectivity, and sustainability.

1. Overview of CO2 Extraction and Ethanol Extraction

• CO2 Extraction: Uses supercritical CO2 as a solvent.

• Ethanol Extraction: Uses ethanol to dissolve compounds.

2. How CO2 Extraction Works

• Supercritical CO2 Formation

• Compound Extraction

• Separation & Purification

3. How Ethanol Extraction Works

• Soaking in Ethanol

• Filtration

• Solvent Evaporation

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