期刊
FOOD CHEMISTRY
卷 363, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.130282
关键词
Carnosic acid; Ginkgetin; Tanshinone; HSCCC; Hydrophobic DESs; Extraction
资金
- National Natural Science Foundation of China [81722048]
- National Science and Technology Major Project [2017ZX09301012003]
- Double FirstClass University project [CPU2018GF04, CPU2018GY09]
A novel method combining ultrasound-assisted extraction and high-speed countercurrent chromatography (HSCCC) separation using hydrophobic deep eutectic solvent (DES) was proposed for the extraction and recovery of hydrophobic compounds. Results showed that hydrophobic DESs are more effective in extracting hydrophobic compounds compared to hydrophilic DESs and traditional solvents, and can be used as HSCCC separation solvents effectively. The diverse components and combinations of DESs provide endless selective space for hydrophobic compounds in the HSCCC separation process.
Green extraction and separation of natural products is crucial for food industry, and has been widely concerned. Compared with hydrophilic natural products, the green extraction and separation of hydrophobic natural products is more challenging. In this work, a novel method which coupled the ultrasound-assisted extraction with high-speed countercurrent chromatography (HSCCC) separation based on hydrophobic deep eutectic solvent (DES) was proposed for hydrophobic compounds extraction and recovery. By using the developed method, the hydrophobic compounds in Rosmarinus officinalis leaves, Ginkgo biloba leaves and Salvia miltiorrhiza roots have been successfully extracted and recovered. The results indicated that hydrophobic DESs are more effective for extraction hydrophobic compounds than hydrophilic DESs and traditional solvents. And hydrophobic DESs can be used as HSCCC separation solvents to separate and recover hydrophobic compounds effectively. The infinite possibilities of DESs components and their combinations can provide inexhaustible selective space for hydro-phobic compounds in the HSCCC separation process.
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