Ultrasound-Assisted Deep Eutectic Solvent Three-Phase Partitioning System for Extraction of Polysaccharides from Longan Shell: Process Optimization, Physicochemical Properties, Structural Characterization, and Antioxidant Activities
Xinyu Zhang, Pengkun Xu, Jing Yao, Junhong Hou, Yutong Xu, Hao Chen · 2026
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Description
Zhang and colleagues developed a greener way to extract polysaccharides from longan shells, a fruit processing byproduct. Their system pairs ultrasound with a hydrophobic deep eutectic solvent made from two fatty acids, inside a three-phase partitioning setup. Conditions were tuned first one variable at a time, then by response surface modeling.
At the optimized settings the process recovered a modest yield of an acidic heteropolysaccharide rich in galacturonic acid and arabinose, with an open fibrous network structure. The solvent survived five reuse cycles without losing performance. The extract strongly scavenged one test radical and reduced iron in a dose-dependent way. The authors pitch the method for sustainable recovery of bioactive plant molecules.
Catalog record
| CREATOR | Xinyu Zhang, Pengkun Xu, Jing Yao, Junhong Hou, Yutong Xu, Hao Chen |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 68 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |