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Chen N, Huang M, Fu Q, Shi C, Guo R. A well-defined hierarchically porous metal-organic framework and its application in separation and purification of steviol glycosides. J Sep Sci 2022; 45:3763-3773. [PMID: 35931364 DOI: 10.1002/jssc.202200346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/06/2022] [Accepted: 07/31/2022] [Indexed: 11/08/2022]
Abstract
The separation and removal of stevioside from natural product steviol glycosides to obtain high-purity rebaudioside A is of great significance for the application of steviol glycosides in food, medicine and other fields. Here, in order to explore the adsorbent pore structure suitable for the separation of stevioside and rebaudioside A, a hierarchically porous amino-functionalized metal-organic framework (HP-NH2 -MIL-53) with an appropriate and narrow pore size distribution was prepared using a modulator induced defect-formation strategy. The results showed that the hierarchically porous structure with micropores and mesopores increased the specific surface area and exposed amino groups compared with original metal organic framework (NH2 -MIL-53), and the maximum adsorption capacity of HP-NH2 -MIL-53 for stevioside and rebaudioside A was 233.89 mg/g. The narrow pore size distribution close to 3.80 nm promoted the screening effect, resulting in a maximum adsorption selectivity of 4.13. This work proves that when the pore size of the adsorbent is between 1.41-3.80 nm, it has a certain pore size screening effect on stevioside and rebaudioside A, and the hierarchically porous metal-organic frameworks provide a pre-design idea of adsorbent structure for the separation of natural products with molecular weight of 800-1000 Da. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Nana Chen
- School of Chemistry and Chemical Engineering, Key Laboratory for Green, Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University
| | - Mingli Huang
- School of Chemistry and Chemical Engineering, Key Laboratory for Green, Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University
| | - Qiaoge Fu
- School of Chemistry and Chemical Engineering, Key Laboratory for Green, Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University
| | - Chaoyi Shi
- School of Chemistry and Chemical Engineering, Key Laboratory for Green, Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University
| | - Ruili Guo
- School of Chemistry and Chemical Engineering, Key Laboratory for Green, Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University
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Kostanyan AE, Voshkin AA. Closed-Loop Recycling Dual-Mode Counter-Current Chromatography with Specified Sample Loading Durations: Modeling of Preparative and Industrial-Scale Separations. Molecules 2021; 26:molecules26216561. [PMID: 34770971 PMCID: PMC8586953 DOI: 10.3390/molecules26216561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/22/2021] [Accepted: 10/27/2021] [Indexed: 11/16/2022] Open
Abstract
We previously reported on a new counter-current chromatography (CCC) operating mode called closed-loop recycling dual-mode counter-current chromatography (CLR DM CCC), which incorporates the advantages of closed-loop recycling (CLR) and dual-mode (DM) counter-current chromatography and includes sequential separation of compounds in the closed-loop recycling mode with the mobile x-phase and in the inverted-phase counter-current mode with the mobile y-phase. The theoretical analysis of several implementations of this separation method was carried out under impulse sample injection conditions. This study is dedicated to the further development of CLR DM CCC theory applied to preparative and industrial separations, where high-throughput operation is required. Large sample volumes can be loaded via continuous loading within a specified time. To simulate CLR DM CCC separations with specified sample loading durations, equations are developed and presented in "Mathcad" software.
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Kostanyan AE. A simple and highly efficient counter-current chromatography method for the isolation of concentrated fractions of compounds based on the sequential sample loading technique: Comparative theoretical study of conventional multiple and intermittent sample loading counter-current chromatography separations. J Chromatogr A 2021; 1647:462163. [PMID: 33965681 DOI: 10.1016/j.chroma.2021.462163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 04/02/2021] [Accepted: 04/11/2021] [Indexed: 10/21/2022]
Abstract
A new modification of the conventional multiple sample loading (MSL) mode - sequential sample loading (SSL) - is suggested to enhance further the performance of the counter-current chromatography (CCC) separation processes. The sequential sample loading technique is simple and easy to implement: the continuous sample solution supply to a CCC column is alternated (interrupted) with short periods of the "pure" mobile phase supply. Periodic (batch) and continuous SSL CCC separations can be designed and implemented. In continuous processes, the sample solution loading is carried out in the form of separate series, consisting of a number of sequential sample solution loads. In this work, the modeling of the conventional multiple sample loading and the sequential sample loading counter-current chromatography is used to compare the two operating modes considered. Equations for the calculation of band profiles, the recovery yield and the purity are given. Equations are also derived permitting the calculation of the optimum operating parameters of the separation processes. It is shown that the use of sequential sample loading makes it possible to produce fractions of purified compounds with a much higher concentration than in the original sample solution. The simulations of the conventional multiple sample loading and the sequential sample loading counter-current chromatography separations are presented in "Mathcad" software.
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Affiliation(s)
- Artak E Kostanyan
- Kurnakov Institute of General & Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, Moscow 119991, Russia.
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Gong Y, Huang XY, Liu JF, Pei D, Sun X, Di DL. Development of an effective method based upon second-order overlapping repeated sample injections for isolation of carotenoids from Lycium barbarum L. fruits with elution-extrusion counter-current chromatography. J Chromatogr A 2021; 1645:462026. [PMID: 33839576 DOI: 10.1016/j.chroma.2021.462026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/26/2021] [Accepted: 02/24/2021] [Indexed: 01/18/2023]
Abstract
Carotenoids are one of the main active components in Lycium barbarum L. fruit, which has a wide range of excellent biological activities. In this study, a novel second-order overlapping repeated injection method with elution-extrusion counter-current chromatography was developed for isolation and preparation of carotenoids from L. barbarum fruits. And three carotenoids were successfully separated using the solvent system composed of n-hexane/dichloromethane/acetonitrile (10:3.5:6.5, v/v) with the injection before equilibrium method. The entire separation process consisted of three complete elution-extrusion cycles with a total of 9 injections (80 mg crude extract per injection). Finally, three target compounds including zeaxanthin (28.5 mg), zeaxanthin monopalmitate (45.8 mg), and zeaxanthin dipalmitate (161.5 mg) with average purities of 87.9%, 88.9%, and 91.2% were successfully obtained in one complete second-order overlapping repeated elution-extrusion CCC process within 651 min. The result indicated that this second-order overlapping repeated method is efficient for large-scale preparation of carotenoids based on its advantages of large amount of sample injection and low solvent consumption. So this novel second-order overlapping repeated elution-extrusion counter-current chromatography separation method has enormous potential for largely preparative separation of natural bioactive compounds, such as carotenoids, which have good biological activity but possess unstable or other special chemical structure. It is worth noting that this overlapping repeated injections method requires target compounds to meet the requirements of elution-extrusion counter-current chromatography, and the normal implementation of this method is closely related to the sufficient interval of elution time between the target compounds.
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Affiliation(s)
- Yuan Gong
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory of Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou, P. R. China; University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Xin-Yi Huang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory of Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou, P. R. China; University of Chinese Academy of Sciences, Beijing, P. R. China.
| | - Jian-Fei Liu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory of Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou, P. R. China; University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Dong Pei
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory of Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou, P. R. China; Qingdao Center of Resource Chemistry & New Materials, Qingdao 266000, Shandong, P. R. China
| | - Xiao Sun
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory of Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou, P. R. China; University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Duo-Long Di
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory of Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou, P. R. China; University of Chinese Academy of Sciences, Beijing, P. R. China.
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Guo Y, Tong S, Zhang K, Yan J. Recent progress in separation prediction of counter-current chromatography. J Sep Sci 2020; 44:6-16. [PMID: 32926765 DOI: 10.1002/jssc.202000473] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 07/11/2020] [Accepted: 08/09/2020] [Indexed: 12/21/2022]
Abstract
As a liquid-liquid partition chromatography, counter-current chromatography has advantages in large sample loading capacity without irreversible adsorption, which has been widely applied in separation and purification fields. The main factors, including partition coefficient, two-phase solvent systems, apparatus, and operating parameters greatly affect the separation process of counter-current chromatography. To promote the applications of counter-current chromatography, it is essential to develop theoretical research to master the principles of counter-current chromatographic separations so as to achieve predictions before laborious trials. In this article, recent progress about separation prediction methods are reviewed from a point of the steady and unsteady state of the mass transfer process of counter-current chromatography and its mass transfer characteristics, and then it is divided into three aspects: prediction of partition coefficient, modeling the thermodynamic process of counter-current chromatography, and modeling the dynamic process of counter-current chromatography.
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Affiliation(s)
- Yuru Guo
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Shengqiang Tong
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Keqing Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Jizhong Yan
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P. R. China
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Jahangir Chughtai MF, Pasha I, Zahoor T, Khaliq A, Ahsan S, Wu Z, Nadeem M, Mehmood T, Amir RM, Yasmin I, Liaqat A, Tanweer S. Nutritional and therapeutic perspectives of Stevia rebaudiana as emerging sweetener; a way forward for sweetener industry. CYTA - JOURNAL OF FOOD 2020. [DOI: 10.1080/19476337.2020.1721562] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | - Imran Pasha
- National Institute of Food Science & Technology, Faculty of Food Nutrition & Home Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Tahir Zahoor
- National Institute of Food Science & Technology, Faculty of Food Nutrition & Home Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Adnan Khaliq
- Department of Food Science & Technology, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, Pakistan
| | - Samreen Ahsan
- Department of Food Science & Technology, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, Pakistan
| | - Zhengzhong Wu
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Muhammad Nadeem
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari, Punjab, Pakistan
| | - Tariq Mehmood
- Department of Food Science & Technology, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, Pakistan
| | - Rai Muhammad Amir
- Institute of Food and Nutritional Sciences, PMAS Arid Agriculture University, Rawalpindi, Punjab, Pakistan
| | - Iqra Yasmin
- Department of Food Science and Technology, Government College Women University, Faisalabad, Pakistan
- Barani Agricultural Research Institute, Chakwal, Pakistan
| | - Atif Liaqat
- Department of Food Science & Technology, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, Pakistan
| | - Saira Tanweer
- Department of Food Science and Technology, University College of Agricultural and Environmental Sciences, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
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Quan KJ, Huang XY, Gong Y, Pei D, Duan WD, Di DL. Counter-current chromatography melamine-modified column and its separation mechanism. J Sep Sci 2018; 42:547-555. [PMID: 30427121 DOI: 10.1002/jssc.201800914] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 10/09/2018] [Accepted: 11/04/2018] [Indexed: 11/08/2022]
Abstract
In this work, to further verify and develop the novel counter-current chromatography modified column separate mode, a melamine modified counter-current chromatography column was prepared. Meanwhile, the modified counter-current chromatography column was used to separate stevioside and rebaudioside A with the same partition coefficient in chosen solvent system to evaluate its separation efficiency. The results show that because of the presence of intermolecular forces between melamine and model compounds, better separation could be achieved on the modified column while it's almost impossible to be separated on the unmodified column. So the results of this research further show that column modified method is a possible approach to further increase the separation ability of counter-current chromatography. Take advantage of large sample handing capacity of counter-current chromatography, the mothed may have great potential to be an efficient method of separation and preparation enantiomer compounds.
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Affiliation(s)
- Kai-Jun Quan
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Chinese Academy of Sciences, Lanzhou Institute of Chemical Physics, Lanzhou, P. R. China.,University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Xin-Yi Huang
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Chinese Academy of Sciences, Lanzhou Institute of Chemical Physics, Lanzhou, P. R. China
| | - Yuan Gong
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Chinese Academy of Sciences, Lanzhou Institute of Chemical Physics, Lanzhou, P. R. China.,University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Dong Pei
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Chinese Academy of Sciences, Lanzhou Institute of Chemical Physics, Lanzhou, P. R. China
| | - Wen-Da Duan
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Chinese Academy of Sciences, Lanzhou Institute of Chemical Physics, Lanzhou, P. R. China.,University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Duo-Long Di
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Chinese Academy of Sciences, Lanzhou Institute of Chemical Physics, Lanzhou, P. R. China
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