当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Brönsted acidic ionic liquid based ultrasound-microwave synergistic extraction of pectin from pomelo peels.

Brönsted acidic ionic liquid based ultrasound-microwave synergistic extraction of pectin from pomelo peels.

Abstract：

:3-Methyl-1-(4-sulfonylbutyl) imidazolium hydrogensulfate, [HO3S(CH2)4mim]HSO4, was applied as an extractant in an ultrasound-microwave synergistic extraction approach to substitute conventional solvent for the extraction of pectin from the albedo part of pomelo peels. The analysis of variance (ANOVA) test and response surface method were employed for the optimization of the extraction conditions. A pectin yield of 328.64±4.19mg/g was achieved using the obtained optimal conditions, which was significantly higher than yields of conventional methods with reference solvents. Pectin samples extracted with [HO3S(CH2)4mim]HSO4 and hydrochloric acid solutions were tested by ANOVA and showed no significant differences in total carbohydrate content and degree of esterification; while galacturonic acid content was significantly different for the pectin from each extraction solvents. The differences revealed from images of atomic force microscopy and scanning electron microscope, Fourier transform infrared spectroscopy, and thermogravimetric analysis suggested the physiochemical properties of pectin could be affected by the extraction solvent. The [HO3S(CH2)4mim]HSO4 proved to be a promising alternative to conventional solvents and the proposed method is efficient for the extraction of pectin from the albedo of pomelo peels.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Liu Z,Qiao L,Yang F,Gu H,Yang L

doi

10.1016/j.ijbiomac.2016.10.028

subject

Has Abstract

pub_date

2017-01-01 00:00:00

pages

309-318

issue

Pt A

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(16)31962-6

journal_volume

94

pub_type

杂志文章

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