Tohoku Univ. Technology ：Green Extraction Technology for Algal Components：T23-067
Low-temperature extraction minimizing oxidation and degradation
The inventors have developed a subcritical separation technology, which, combined with a newly established method for estimating phase equilibria in a carbon dioxide–ethanol–water ternary solvent system near room temperature, enables the design of efficient extraction conditions for algal oils. This invention proposes a clean extraction technology that mixes subcritical fluids with a feed solution (alcohol–water solution containing algae) to separate a vapor phase enriched in oils and a liquid phase enriched in chlorophyll and pheophorbide. ◎ Enhanced Safety ◎ Suppression of Oxidation and Thermal Degradation ◎ Energy Savings ◎ Low Environmental Impact
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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