Microwave-Assisted Method for Simultaneous Hydrolysis and Extraction for Preparation of Geniposidic Acid from Eucommia ulmoides Bark Using Basic Imidazolide Ionic LiquidReport as inadecuate




Microwave-Assisted Method for Simultaneous Hydrolysis and Extraction for Preparation of Geniposidic Acid from Eucommia ulmoides Bark Using Basic Imidazolide Ionic Liquid - Download this document for free, or read online. Document in PDF available to download.

International Journal of Chemical Engineering - Volume 2016 2016, Article ID 2135350, 11 pages -

Research Article

Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China

State Engineering Laboratory for Bioresource Eco-Utilization, Northeast Forestry University, Harbin 150040, China

College of Animal Science and Technology, Hebei North University, Zhangjiakou 075000, China

Landscape Architecture College, Northeast Forestry University, Harbin 150040, China

Received 2 February 2016; Revised 24 March 2016; Accepted 30 March 2016

Academic Editor: Dmitry Murzin

Copyright © 2016 Lili Li et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In order to hydrolyze geniposide and extract geniposidic acid, a novel microwave irradiation heating method for simultaneous hydrolysis and extraction for preparation of geniposidic acid from Eucommia ulmoides bark using basic imidazolide ionic liquid was developed in this work. Basic ionic liquid paired by imidazolide anion and 1-hexyl-3-methylimidazolium cation C6mimIm was used as a dual hydrolysis catalyst and extraction solvent in the proposed approach. The optimal concentration of C6mimIm was 0.4 mol-L. And the independent parameters optimized by Box-Behnken design BBD based on single-factor tests were as follows: microwave irradiation time of 20 min at power of 415 W and liquid-solid ratio of 15 mL-g. Yield of geniposidic acid was increased to  μmol-g. DM130 macroporous resin, after reaction, was selected to separate geniposidic acid from hydrolysate. The plant materials with different treatment were analyzed by scanning electron microscopy SEM and thermogravimetric analysis TG. The analysis of SEM and TG further indicated that IMSHE is an efficient preparation method for geniposidic acid. It is reasonable to assume that the method and the dual hydrolysis catalyst and extraction solvent would offer an alternative for the preparation of some other kinds of bioactive substances from plant materials.





Author: Lili Li, Yupin Guo, Chunchao Zhao, Mengxia Wei, Junling Liu, Yuangang Zu, Fei Wang, and Lei Yang

Source: https://www.hindawi.com/



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