Supercritical CO2 vs Solvent Extraction for Hemp Extracts
来源: | 作者:selina | 发布时间 :2025-03-03 | 90 次浏览: | Share:

Supercritical CO2 vs Solvent Extraction for Hemp Extracts

Hemp extracts are widely used in the pharmaceutical, wellness, and cosmetic industries. The two most common extraction methods—supercritical CO2 extraction and solvent extraction—offer different benefits in terms of purity, efficiency, and environmental impact. This article provides a detailed comparison.

1. Purity and Quality of Hemp Extracts

  • Supercritical CO2 Extraction: Produces **solvent-free, high-purity hemp extracts**, maintaining cannabinoids and terpenes.
  • Solvent Extraction: Uses chemicals like ethanol or hydrocarbons, which may leave behind **trace solvents** that require additional purification.

2. Efficiency and Yield

  • CO2 Extraction: Selectively extracts cannabinoids with **minimal waste**.
  • Solvent Extraction: Can achieve high yields but requires **additional post-processing**.

3. Environmental Sustainability

  • CO2 Extraction: **Eco-friendly**, as CO2 is recyclable and non-toxic.
  • Solvent Extraction: Uses **flammable solvents** that pose disposal challenges.

4. Case Study: CO2 Extraction for Hemp CBD

A U.S. CBD manufacturer transitioned from solvent extraction to CO2 extraction, leading to a **40% increase in product purity** and a **25% reduction in production costs**.

5. Conclusion

For **high-purity hemp extracts**, supercritical CO2 extraction is the preferred method. Companies like **SHANGHAI NORTH BROOKS** offer **advanced CO2 SUPERCRITICAL EXTRACTION MACHINE** solutions to enhance efficiency and product quality.

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