期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 95, 期 -, 页码 675-681出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2016.11.096
关键词
Dioscorea opposita Thunb; Polysaccharides; Deep eutectic solvent; Ultrasound-assisted extraction; Response surface methodology
资金
- Shandong Province Higher Educational Science and Technology Program [J14LC07]
- Doctor Foundation of University of Jinan [XBS1506]
In this study, deep eutectic solvents were proposed for the ultrasound-assisted extraction of polysaccharides from Dioscorea opposita Thunb. Several deep eutectic solvents were prepared for the extraction of polysaccharides, among which the deep eutectic solvent composed of choline chloride and 1,4-butanediol was proved to be suitable for the extraction. Based on the screening of single-factor experiment design and orthogonal experiment design, three experimental factors were optimized for the Box-Behnken experimental design combined with response surface methodology, which gave the optimal extraction conditions: water content of 32.89%(v/v), extraction temperature of 94.00 degrees C, and the extraction time of 44.74 min. The optimal extraction conditions could supply higher extraction yield than those of hot water extraction and water-based ultrasound-assisted extraction. Therefore, deep eutectic solvents were an excellent extraction solvent alternative to the extraction of polysaccharides from sample matrices. (C) 2016 Elsevier B.V. All rights reserved.
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