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Xu Y, Xu J, Fan Z, Zhang S, Wu Y, Han R, Yu N, Tong X. Effective separation of protein from Polygonatum cyrtonema crude polysaccharide utilizing ionic liquid tetrabutylammonium bromide. Front Chem 2024; 11:1287571. [PMID: 38260046 PMCID: PMC10800795 DOI: 10.3389/fchem.2023.1287571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
Extraction of plant polysaccharides often results in a large amount of proteins, which is hard to eliminate from the crude extract, and conventional approaches for deproteinization are time-consuming and often involve hazardous organic solvents. In this study, ionic liquid tetrabutylammonium bromide (TBABr) was used to create an ionic liquid aqueous two-phase system (ILATPS) for the separation of the polysaccharide (PcP) and protein extracted from the rhizome of Polygonatum cyrtonema. Bovine serum albumin (BSA) was first applied to assess the feasibility of the ILATPS, and MgSO4 was determined to be the most suitable inorganic salt. By adopting the Taguchi experiment with an L9 (3^4) orthogonal array, it was found that the best condition for the efficient separation of crude PcP was at 25°C, with 1.5 g of TBABr, 15 mg of PcP, and 2.0 g of MgSO4, with the extraction efficiency for the protein and polysaccharide as 98.6% and 93.5%, respectively. The purified PcP was homogeneous, and its weight average molecular weight (Mw) was 7,554 Da. Monosaccharide composition analysis indicated the PcP comprised mannose, galactose, glucose, galacturonic acid, arabinose, and rhamnose at a molar ratio of 33:13:8:3.5:2:1. This approach offers a practical tactic to purify polysaccharides of plant origin.
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Affiliation(s)
- Yuling Xu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Jing Xu
- School of Life Sciences, Anhui University of Chinese Medicine, Hefei, China
| | - Zheng Fan
- Medical Department, Taihe Hospital of Chinese Medicine, Taihe, China
| | - Siyuan Zhang
- School of Traditional Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yuanjie Wu
- School of Traditional Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Rongchun Han
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
- Joint Research Center for Chinese Herbal Medicine of Anhui of IHM, Anhui University of Chinese Medicine, Hefei, China
| | - Nianjun Yu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Xiaohui Tong
- School of Life Sciences, Anhui University of Chinese Medicine, Hefei, China
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Jiang B, Chen P, Guo J, Han B, Jin H, Li D, Liu C, Feng Z. Structural characteristics and biological activity of lactic acid bacteria exopolysaccharides separated by ethanol/(NH 4) 2SO 4 ATPS. Int J Biol Macromol 2023:125451. [PMID: 37331540 DOI: 10.1016/j.ijbiomac.2023.125451] [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: 04/02/2023] [Revised: 05/13/2023] [Accepted: 06/14/2023] [Indexed: 06/20/2023]
Abstract
Exopolysaccharides (EPS) from lactic acid bacteria (LAB) as edible and safe bioproducts with health benefits have become an interesting topic. In this study, aqueous two-phase system (ATPS) was established using ethanol and (NH4)2SO4 as phase-forming substances to separate and purify LAB EPS from Lactobacillus plantarum 1.0665. The operating conditions were optimized by a single factor and response surface method (RSM). The results indicated that an effectively selective separation of LAB EPS was achieved by the ATPS consisted of 28 % (w/w) ethanol and 18 % (w/w) (NH4)2SO4 at pH 4.0. Under optimized conditions, the partition coefficient (K) and recovery rate (Y) were well matched with the predicted value of 3.83 ± 0.019 and 74.66 ± 1.05 %. The physicochemical properties of purified LAB EPS were characterized by various technologies. According to the results, LAB EPS was a complex polysaccharide with a triple helix structure mainly composed of mannose, glucose and galactose in the molar ratio of 1.00: 0.32: 0.14, and it proved that the ethanol/(NH4)2SO4 system had good selectivity for LAB EPS. In addition, LAB EPS displayed excellent antioxidant activity, antihypertension activity, anti-gout capacity and hypoglycemic activity in vitro analysis. The results suggested that LAB EPS could be a dietary supplement applied in functional foods.
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Affiliation(s)
- Bin Jiang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Peifeng Chen
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Jiaxuan Guo
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Bing Han
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Hongwei Jin
- Shenzhen Guangming District Center for Disease Control and Prevention, Shenzhen 518107, People's Republic of China
| | - Dongmei Li
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Chunhong Liu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Zhibiao Feng
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China.
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Elhami V, Antunes EC, Temmink H, Schuur B. Recovery Techniques Enabling Circular Chemistry from Wastewater. Molecules 2022; 27:1389. [PMID: 35209179 PMCID: PMC8877087 DOI: 10.3390/molecules27041389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 12/04/2022] Open
Abstract
In an era where it becomes less and less accepted to just send waste to landfills and release wastewater into the environment without treatment, numerous initiatives are pursued to facilitate chemical production from waste. This includes microbial conversions of waste in digesters, and with this type of approach, a variety of chemicals can be produced. Typical for digestion systems is that the products are present only in (very) dilute amounts. For such productions to be technically and economically interesting to pursue, it is of key importance that effective product recovery strategies are being developed. In this review, we focus on the recovery of biologically produced carboxylic acids, including volatile fatty acids (VFAs), medium-chain carboxylic acids (MCCAs), long-chain dicarboxylic acids (LCDAs) being directly produced by microorganisms, and indirectly produced unsaturated short-chain acids (USCA), as well as polymers. Key recovery techniques for carboxylic acids in solution include liquid-liquid extraction, adsorption, and membrane separations. The route toward USCA is discussed, including their production by thermal treatment of intracellular polyhydroxyalkanoates (PHA) polymers and the downstream separations. Polymers included in this review are extracellular polymeric substances (EPS). Strategies for fractionation of the different fractions of EPS are discussed, aiming at the valorization of both polysaccharides and proteins. It is concluded that several separation strategies have the potential to further develop the wastewater valorization chains.
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Affiliation(s)
- Vahideh Elhami
- Sustainable Process Technology Group, Process and Catalysis Cluster, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands; (V.E.); (E.C.A.)
| | - Evelyn C. Antunes
- Sustainable Process Technology Group, Process and Catalysis Cluster, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands; (V.E.); (E.C.A.)
- Wetsus—European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands;
| | - Hardy Temmink
- Wetsus—European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands;
- Department of Environmental Technology, Wageningen University, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Boelo Schuur
- Sustainable Process Technology Group, Process and Catalysis Cluster, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands; (V.E.); (E.C.A.)
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Separation, structural characteristics and biological activity of lactic acid bacteria exopolysaccharides separated by aqueous two-phase system. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111617] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Taddia A, Rito-Palomares M, Mayolo-Deloisa K, Tubio G. Purification of xylanase from Aspergillus niger NRRL3 extract by an integrated strategy based on aqueous two-phase systems followed by ion exchange chromatography. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117699] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Yang S, Liu B, Tang M, Yang J, Kuang Y, Zhang M, Zhang C, Wang C, Qin J, Guo L, Zhao L. Extraction of flavonoids from
Cyclocarya paliurus
(Juglandaceae) leaves using ethanol/salt aqueous two‐phase system coupled with ultrasonic. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14469] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Sheng‐xiang Yang
- Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High‐Efficiency Utilization Zhejiang A & F University Lin'an China
| | - Bing Liu
- College of Plant Science Jilin University Changchun China
| | - Mei Tang
- College of Pharmacy Guangxi University of Chinese Medicine Nanning China
| | - Jian Yang
- The State Key Laboratory Breeding Base of Dao‐di Herbs National Resource Center for Chinese Materia Medica China Academy of Chinese Medical Sciences Beijing China
| | - Yi Kuang
- Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High‐Efficiency Utilization Zhejiang A & F University Lin'an China
| | - Ming‐zhe Zhang
- College of Plant Science Jilin University Changchun China
| | - Chun‐ying Zhang
- The State Key Laboratory Breeding Base of Dao‐di Herbs National Resource Center for Chinese Materia Medica China Academy of Chinese Medical Sciences Beijing China
| | - Chao‐yi Wang
- College of Plant Science Jilin University Changchun China
| | - Jian‐chun Qin
- College of Plant Science Jilin University Changchun China
| | - Lan‐ping Guo
- The State Key Laboratory Breeding Base of Dao‐di Herbs National Resource Center for Chinese Materia Medica China Academy of Chinese Medical Sciences Beijing China
| | - Li‐chun Zhao
- College of Pharmacy Guangxi University of Chinese Medicine Nanning China
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Mingyi Y, Belwal T, Devkota HP, Li L, Luo Z. Trends of utilizing mushroom polysaccharides (MPs) as potent nutraceutical components in food and medicine: A comprehensive review. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.08.009] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Meng J, Wang Y, Zhou Y, Chen J, Wei X, Ni R, Liu Z, Xu F. Development of different deep eutectic solvent aqueous biphasic systems for the separation of proteins. RSC Adv 2019; 9:14116-14125. [PMID: 35519299 PMCID: PMC9064010 DOI: 10.1039/c9ra00519f] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 04/19/2019] [Indexed: 01/23/2023] Open
Abstract
In this work, aqueous biphasic systems (ABSs) formed by different deep eutectic solvents (DESs) were prepared and applied to extract proteins. The five kinds of DESs comprised amino acids and polyols ([amino acids][polyols]). They were combined with another DES resulting from tetrabutylammonium chloride and polypropylene glycol 400 ([TBAC][PPG400]) to form ABSs. The phase-forming abilities of [TBAC][PPG400]/[amino acids][polyols] were compared with those of [TBAC][PPG400]/amino acids and [TBAC][PPG400]/polyols. The results exhibited that the biphasic formation ability of [amino acids][polyols] lies between those of amino acids and polyols when [TBAC][PPG400] acts as the other phase in ABSs. The systems comprising [TBAC][PPG400] and [l-proline][xylitol] ([Pro][Xyl]) were further investigated to optimize the extraction performance. It was found that 97.30% chymotrypsin tended to distribute into the [Pro][Xyl]-rich phase under optimum conditions. The practical application of the system was demonstrated by the extraction of chymotrypsin from porcine pancreas. Besides, UV-Vis spectrophotometry (UV-Vis), Fourier transform infrared spectroscopy (FT-IR), and circular dichroism (CD) spectroscopy proved that the conformation of proteins remained unchanged during the extraction process. The extraction mechanism of the formation of DES-protein aggregates was investigated via conductivity, dynamic light scattering (DLS), and transmission electron microscopy (TEM). The overall results suggest that the DES/DES-based ABSs have outstanding potential in the green extraction of proteins.
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Affiliation(s)
- Jiaojiao Meng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88821848 +86-731-88821903
| | - Yuzhi Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88821848 +86-731-88821903
| | - Yigang Zhou
- Department of Microbiology, College of Basic Medicine, Central South University Changsha 410083 P. R. China
| | - Jing Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88821848 +86-731-88821903
| | - Xiaoxiao Wei
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88821848 +86-731-88821903
| | - Rui Ni
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88821848 +86-731-88821903
| | - Ziwei Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88821848 +86-731-88821903
| | - Fangting Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88821848 +86-731-88821903
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Morais V, Dee V, Suárez N. Purification of Capsular Polysaccharides of Streptococcus pneumoniae: Traditional and New Methods. Front Bioeng Biotechnol 2018; 6:145. [PMID: 30370268 PMCID: PMC6194195 DOI: 10.3389/fbioe.2018.00145] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 09/24/2018] [Indexed: 11/13/2022] Open
Abstract
Pneumonia caused by Streptococcus pneumoniae is a major bacterial disease responsible for many deaths worldwide each year and is particularly dangerous in children under 5 years old and adults over 50. The capsular polysaccharide (CPS) constitutes the outermost layer of the bacterial cell and is the main virulence factor. Regardless of whether pharmaceutical agents are composed of CPS alone or protein-conjugated CPS, CPS purification is essential for the development of vaccines against S. pneumoniae. These vaccines are effective and safe but remain quite expensive. This review describes the methods currently available for CPS purification. Advances in CPS purification methods are aimed at improvements in quality and yield and, above all, process simplification.
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Affiliation(s)
- Victor Morais
- Department of Biotechnology, Institute of Hygiene, Faculty of Medicine, University of the Republic, Montevideo, Uruguay
| | - Valerie Dee
- Department of Biotechnology, Institute of Hygiene, Faculty of Medicine, University of the Republic, Montevideo, Uruguay
| | - Norma Suárez
- Department of Biotechnology, Institute of Hygiene, Faculty of Medicine, University of the Republic, Montevideo, Uruguay
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