Improving the Separation of Astaxanthin Using Zirconium-Based Frameworks
Author Information
Author(s): Na Xin, Xing Shanghua, Tan Mingqian, Su Wentao
Primary Institution: Dalian Polytechnic University
Hypothesis
Can defect engineering in zirconium-based metal-organic frameworks enhance the separation and purification of astaxanthin?
Conclusion
The study successfully demonstrates that defect-engineered zirconium-based frameworks can significantly improve the separation and purification efficiency of astaxanthin.
Supporting Evidence
- The best-performing defect Zr-MOF achieved a high adsorption capacity of 26.21 mg g−1 for astaxanthin.
- The purity of astaxanthin after purification reached 89.0% ± 2.3%.
- Defect engineering allowed for optimized pore size and chemistry, enhancing selective adsorption of astaxanthin.
Takeaway
Scientists found a better way to separate a valuable substance called astaxanthin from algae using special materials that have tiny holes in them.
Methodology
The study involved synthesizing zirconium-based metal-organic frameworks with controlled defects and testing their ability to adsorb astaxanthin from crude extracts.
Digital Object Identifier (DOI)
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