Food-Grade Solvent Systems for CO2 Supercritical Extraction Processes
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Food-Grade Solvent Systems for CO2 Supercritical Extraction Processes

Food-Grade Solvent Systems for CO2 Supercritical Extraction Processes

Food-grade solvent systems enhance the flexibility and efficiency of CO2 supercritical extraction, enabling the recovery of a broader range of compounds.

Characteristics of Food-Grade Solvent Systems

  • Non-Toxic: Compliant with food safety standards.

  • Versatile: Works with various raw materials and target compounds.

  • Recyclable: Minimizes waste and reduces environmental impact.

Example: A CO2 SUPERCRITICAL EXTRACTION MACHINE with ethanol as a co-solvent was used to extract flavonoids from green tea, improving recovery rates and compound purity.

Applications in Food-Grade Extraction

  • Essential Oils: Producing flavoring agents for beverages and snacks.

  • Bioactives: Isolating antioxidants and vitamins for nutraceuticals.

  • Natural Colors: Extracting pigments like beta-carotene and anthocyanins.

Case Study: A beverage company combined CO2 and ethanol to recover mint oils, enhancing the freshness and aroma of its iced tea products.


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