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Altia M, Anbarasan P. Efficient Conversion of Glucose to Hydroxymethylfurfural: One-pot Brønsted Base and Acid Promoted Selective Isomerization and Dehydration. Chem Asian J 2024:e202400392. [PMID: 38853450 DOI: 10.1002/asia.202400392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 06/07/2024] [Accepted: 06/07/2024] [Indexed: 06/11/2024]
Abstract
Development of elegant, selective, and efficient strategies for the production of value-added platform chemicals from renewable feedstocks are in high demand to achieve the future needs and sustainable goals. In this context, an efficient acid-promoted synthesis of highly valuable hydroxymethylfurfural (HMF) has been demonstrated from glucose, a major constituent of lignocellulosic biomass. The major challenge in the conversion of glucose to HMF is the selective isomerization of glucose to ketose, which in the present work has been successfully addressed through the amine-mediated rearrangement of glucose to aminofructose under Amadori rearrangement. Importantly, subsequent dehydration step affords HMF and regenerates the amine employed in the first step, which could be readily recovered. In addition, scale-up and successful integration into one-pot synthesis of HMF proves the efficiency and applicability of the present transformation in large scale application. In addition, the method was also successfully extended to other monosaccharides and disaccharides to produce HMF.
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Affiliation(s)
- Minakshi Altia
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Pazhamalai Anbarasan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
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2
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Kammoun M, Margellou A, Toteva VB, Aladjadjiyan A, Sousa AF, Luis SV, Garcia-Verdugo E, Triantafyllidis KS, Richel A. The key role of pretreatment for the one-step and multi-step conversions of European lignocellulosic materials into furan compounds. RSC Adv 2023; 13:21395-21420. [PMID: 37469965 PMCID: PMC10352963 DOI: 10.1039/d3ra01533e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 07/04/2023] [Indexed: 07/21/2023] Open
Abstract
Nowadays, an increased interest from the chemical industry towards the furanic compounds production, renewable molecules alternatives to fossil molecules, which can be transformed into a wide range of chemicals and biopolymers. These molecules are produced following hexose and pentose dehydration. In this context, lignocellulosic biomass, owing to its richness in carbohydrates, notably cellulose and hemicellulose, can be the starting material for monosaccharide supply to be converted into bio-based products. Nevertheless, processing biomass is essential to overcome the recalcitrance of biomass, cellulose crystallinity, and lignin crosslinked structure. The previous reports describe only the furanic compound production from monosaccharides, without considering the starting raw material from which they would be extracted, and without paying attention to raw material pretreatment for the furan production pathway, nor the mass balance of the whole process. Taking account of these shortcomings, this review focuses, firstly, on the conversion potential of different European abundant lignocellulosic matrices into 5-hydroxymethyl furfural and 2-furfural based on their chemical composition. The second line of discussion is focused on the many technological approaches reported so far for the conversion of feedstocks into furan intermediates for polymer technology but highlighting those adopting the minimum possible steps and with the lowest possible environmental impact. The focus of this review is to providing an updated discussion of the important issues relevant to bringing chemically furan derivatives into a market context within a green European context.
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Affiliation(s)
- Maroua Kammoun
- Laboratory of Biomass and Green Technologies, University of Liege Belgium
| | - Antigoni Margellou
- Department of Chemistry, Aristotle University of Thessaloniki 54124 Thessaloniki Greece
| | - Vesislava B Toteva
- Department of Textile, Leather and Fuels, University of Chemical Technology and Metallurgy Sofia Bulgaria
| | | | - Andreai F Sousa
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro 3810-193 Aveiro Portugal
- Centre for Mechanical Engineering, Materials and Processes, Department of Chemical Engineering, University of Coimbra Rua Sílvio Lima-Polo II 3030-790 Coimbra Portugal
| | - Santiago V Luis
- Dpt. of Inorganic and Organic Chemistry, Supramolecular and Sustainable Chemistry Group, University Jaume I Avda Sos Baynat s/n E-12071-Castellon Spain
| | - Eduardo Garcia-Verdugo
- Dpt. of Inorganic and Organic Chemistry, Supramolecular and Sustainable Chemistry Group, University Jaume I Avda Sos Baynat s/n E-12071-Castellon Spain
| | | | - Aurore Richel
- Laboratory of Biomass and Green Technologies, University of Liege Belgium
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3
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El Mohammad S, Proux O, Aguilar A, Hazemann JL, Legens C, Chizallet C, Larmier K. Elucidation of Metal-Sugar Complexes: When Tungstate Combines with d-Mannose. Inorg Chem 2023; 62:7545-7556. [PMID: 37130307 DOI: 10.1021/acs.inorgchem.3c00911] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The control of metal-sugar complexes speciation in solution is crucial in an energy transition context. Herein, the formation of tungstate-mannose complexes is unraveled in aqueous solution using a multitechnique experimental and theoretical approach. 13C nuclear magnetic resonance (NMR), as well as 13C-1H and 1H-1H correlation spectra, analyzed in the light of coordination-induced shift method and conformation analysis, were employed to characterize the structure of the sugar involved in the complexes. X-ray absorption near edge structure spectroscopy was performed to provide relevant information about the metal electronic and coordination environment. The calculation of 13C NMR chemical shifts for a series of tungstate-mannose complexes using density functional theory (DFT) is a key to identify the appropriate structure among several candidates. Furthermore, a parametric study based on several relevant parameters, namely, pH and tungstate concentration, was carried out to look over the change of the nature and concentrations of the complexes. Two series of complexes were detected, in which the metallic core is either in a ditungstate or a monotungstate form. With respect to previous proposals, we identify two new species. Dinuclear complexes involve both α- and β-furanose forms chelating the metallic center in a tetradentate fashion. A hydrate form chelating a ditungstate core is also revealed. One monotungstate complex appears at high pH, in which a tetrahedral tungstate center is bound to α-mannofuranose through a monodentate site at the second deprotonated hydroxyl group. This unequalled level of knowledge opens the door to structure-reactivity relationships.
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Affiliation(s)
- Sabah El Mohammad
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize, Solaize 69360, France
| | - Olivier Proux
- OSUG, UAR 832 CNRS, Université Grenoble Alpes, Grenoble 38041, France
| | - Antonio Aguilar
- ICMG, UAR 2607 CNRS, Université Grenoble Alpes, Grenoble 38041, France
| | - Jean-Louis Hazemann
- Institut Néel, CNRS, Université Grenoble Alpes, 25 Avenue des Martyrs, Grenoble 38042, France
| | - Christèle Legens
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize, Solaize 69360, France
| | - Céline Chizallet
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize, Solaize 69360, France
| | - Kim Larmier
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize, Solaize 69360, France
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4
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Chizallet C, Bouchy C, Larmier K, Pirngruber G. Molecular Views on Mechanisms of Brønsted Acid-Catalyzed Reactions in Zeolites. Chem Rev 2023; 123:6107-6196. [PMID: 36996355 DOI: 10.1021/acs.chemrev.2c00896] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
Abstract
The Brønsted acidity of proton-exchanged zeolites has historically led to the most impactful applications of these materials in heterogeneous catalysis, mainly in the fields of transformations of hydrocarbons and oxygenates. Unravelling the mechanisms at the atomic scale of these transformations has been the object of tremendous efforts in the last decades. Such investigations have extended our fundamental knowledge about the respective roles of acidity and confinement in the catalytic properties of proton exchanged zeolites. The emerging concepts are of general relevance at the crossroad of heterogeneous catalysis and molecular chemistry. In the present review, emphasis is given to molecular views on the mechanism of generic transformations catalyzed by Brønsted acid sites of zeolites, combining the information gained from advanced kinetic analysis, in situ, and operando spectroscopies, and quantum chemistry calculations. After reviewing the current knowledge on the nature of the Brønsted acid sites themselves, and the key parameters in catalysis by zeolites, a focus is made on reactions undergone by alkenes, alkanes, aromatic molecules, alcohols, and polyhydroxy molecules. Elementary events of C-C, C-H, and C-O bond breaking and formation are at the core of these reactions. Outlooks are given to take up the future challenges in the field, aiming at getting ever more accurate views on these mechanisms, and as the ultimate goal, to provide rational tools for the design of improved zeolite-based Brønsted acid catalysts.
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Affiliation(s)
- Céline Chizallet
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize, BP 3, Solaize 69360, France
| | - Christophe Bouchy
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize, BP 3, Solaize 69360, France
| | - Kim Larmier
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize, BP 3, Solaize 69360, France
| | - Gerhard Pirngruber
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize, BP 3, Solaize 69360, France
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5
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Post C, Maniar D, Voet VSD, Folkersma R, Loos K. Biobased 2,5-Bis(hydroxymethyl)furan as a Versatile Building Block for Sustainable Polymeric Materials. ACS OMEGA 2023; 8:8991-9003. [PMID: 36936293 PMCID: PMC10018510 DOI: 10.1021/acsomega.2c07629] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
Furanic polymers, currently mainly represented by polyethylene 2,5-furandicarboxylate (PEF), also known as polyethylene furanoate, have a fantastic potential to replace fossil-based polymers: for example, polyethylene terephthalate (PET). While 2,5-furandicarboxylic acid (FDCA), a precursor of PEF, and its derived polymers have been studied extensively, 2,5-bis(hydroxymethyl)furan (BHMF) has received relatively little attention so far. Similarly to FDCA, BHMF is a biobased platform chemical derived from renewable sources such as sugars. This review highlights different polymerization techniques for BHMF-based polyesters and addresses BHMF's relative instability during the synthesis of BHMF-derived polymers, including polycarbonates and polyurethanes. Furthermore, the degradability of furanic polyesters is discussed and BHMF's toxicity is briefly elaborated.
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Affiliation(s)
- Cornelis Post
- Macromolecular
Chemistry & New Polymeric Materials, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
- Circular
Plastics, NHL Stenden University of Applied
Sciences, Van Schaikweg 94, 7811 KL Emmen, The Netherlands
| | - Dina Maniar
- Macromolecular
Chemistry & New Polymeric Materials, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
| | - Vincent S. D. Voet
- Circular
Plastics, NHL Stenden University of Applied
Sciences, Van Schaikweg 94, 7811 KL Emmen, The Netherlands
| | - Rudy Folkersma
- Circular
Plastics, NHL Stenden University of Applied
Sciences, Van Schaikweg 94, 7811 KL Emmen, The Netherlands
| | - Katja Loos
- Macromolecular
Chemistry & New Polymeric Materials, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
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6
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Milasing N, Khuwijitjaru P, Adachi S. Isomerization of galactose to tagatose using arginine as a green catalyst. Food Chem 2022; 398:133858. [DOI: 10.1016/j.foodchem.2022.133858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/29/2022] [Accepted: 08/02/2022] [Indexed: 11/16/2022]
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7
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Wang Y, Zhang J, Wang Z, Cui F, Zhang Q, Song P, Li B, Tang Z, Hu F, Shi X. Characterization of chemical composition variations in raw and processed Codonopsis Radix by integrating metabolomics and glycomics based on multiple chromatography‐mass spectrometry technology. J Sep Sci 2022; 45:2375-2393. [DOI: 10.1002/jssc.202200062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/28/2022] [Accepted: 04/06/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Yan Wang
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Jing‐jing Zhang
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Zi‐xia Wang
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Fang Cui
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Qian‐nian Zhang
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Ping‐ping Song
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Bing Li
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Zhuo‐shi Tang
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Fang‐di Hu
- School of Pharmacy, State Key Laboratory of Applied Organic Chemistry and Collaborative Innovation Center for Northwestern Chinese Medicine Lanzhou University 199 Dong‐gang Road West Lanzhou 730000 China
| | - Xiao‐feng Shi
- Gansu Provincial Academy of Medical Science 2 Xiaoxihu East Street Lanzhou 730050 China
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8
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Rodrigues F, Georgelin T, Rigaud B, Zhuang G, Fonseca MG, Valtchev V, Jaber M. Deadlocks of adenine ribonucleotide synthesis: evaluation of adsorption and condensation reactions in a zeolite micropore space. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00837h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we report on adenine, d-ribose, and monophosphate adsorption/co-adsorption into the synthetic analog of the zeolite mineral mordenite followed by drying at 50 °C and thermal activation at 150 °C under an argon atmosphere.
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Affiliation(s)
- Francisco Rodrigues
- Sorbonne University, CNRS UMR 8220, Laboratoire d'Archéologie Moléculaire et Structurale, 4 place Jussieu, F-75005 Paris, France
- State University of Paraíba, UEPB, Department of Chemistry, Campina Grande, Paraíba, Brazil
| | - Thomas Georgelin
- Centre de Biophysique Moléculaire, CNRS, Rue Charles Sadron, 45000 Orléans, France
| | - Baptiste Rigaud
- CNRS Institut des Matériaux de Paris Centre (FR2482), 4 place jussieu, 75005 Paris, France
| | - Guanzheng Zhuang
- Sorbonne University, CNRS UMR 8220, Laboratoire d'Archéologie Moléculaire et Structurale, 4 place Jussieu, F-75005 Paris, France
| | | | - Valentin Valtchev
- Normandy University, Laboratoire Catalyse & Spectrochimie, ENSICAEN, 6 bl Maréchal Juin, 14050 Caen, France
| | - Maguy Jaber
- Sorbonne University, CNRS UMR 8220, Laboratoire d'Archéologie Moléculaire et Structurale, 4 place Jussieu, F-75005 Paris, France
- Institut Universitaire de France, France
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9
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Rusanen A, Lappalainen K, Kärkkäinen J, Lassi U. Furfural and 5-Hydroxymethylfurfural Production from Sugar Mixture Using Deep Eutectic Solvent/MIBK System. ChemistryOpen 2021; 10:1004-1012. [PMID: 34617679 PMCID: PMC8495682 DOI: 10.1002/open.202100163] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/14/2021] [Indexed: 12/04/2022] Open
Abstract
Choline chloride (ChCl) / glycolic acid (GA) deep eutectic solvent (DES) media with high water content but without any additional catalyst are introduced in furfural and 5-hydroxymethylfurfural (HMF) production. The effects of water content, reaction time, and reaction temperature are investigated with two feedstocks: a glucose/xylose mixture and birch sawdust. Based on the results, 10 equivalent quantities of water (32.9 wt.%) were revealed to be beneficial for conversions without rupturing the DES structure. The optimal reaction conditions were 160 °C and 10 minutes for the sugar mixture and 170 °C and 10 minutes for birch sawdust in a microwave reactor. High furfural yields were achieved, namely 62 % from the sugar mixture and 37.5 % from birch sawdust. HMF yields were low, but since the characterization of the solid residue of sawdust, after DES treatment, was revealed to contain only cellulose (49 %) and lignin (52 %), the treatment could be potentially utilized in a biorefinery concept where the main products are obtained from the cellulose fraction. Extraction of products into the organic phase (methyl isobutyl ketone, MIBK) during the reaction enabled the recycling of the DES phase, and yields remained high for three runs of recycling.
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Affiliation(s)
- Annu Rusanen
- Research Unit of Sustainable ChemistryUniversity of OuluP.O. Box 4300FIN-90014OuluFinland
| | - Katja Lappalainen
- Research Unit of Sustainable ChemistryUniversity of OuluP.O. Box 4300FIN-90014OuluFinland
| | - Johanna Kärkkäinen
- Research Unit of Sustainable ChemistryUniversity of OuluP.O. Box 4300FIN-90014OuluFinland
| | - Ulla Lassi
- Research Unit of Sustainable ChemistryUniversity of OuluP.O. Box 4300FIN-90014OuluFinland
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10
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Nutritional composition and antioxidant properties of three varieties of carrot (Daucus carota). SCIENTIFIC AFRICAN 2021. [DOI: 10.1016/j.sciaf.2021.e00801] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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11
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Patel U, Parmar B, Dadhania A, Suresh E. Zn(II)/Cd(II)-Based Metal-Organic Frameworks as Bifunctional Materials for Dye Scavenging and Catalysis of Fructose/Glucose to 5-Hydroxymethylfurfural. Inorg Chem 2021; 60:9181-9191. [PMID: 34096303 DOI: 10.1021/acs.inorgchem.1c01208] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Functional neutral metal-organic frameworks (MOFs) {[M(5OH-IP)(L)]}n [M = Zn(II) for ADES-4; Cd(II) for ADES-5; 5OH-IP = 5-hydroxyisophthalate; L = (E)-N'-(pyridin-3-ylmethylene)nicotinohydrazide) have been synthesized by a diffusion/conventional reflux/mechanochemical method and characterized by various analytical techniques. Crystals were harvested by a diffusion method, and single-crystal X-ray diffraction (SXRD) analysis revealed that an adjacent [M2(COO)2]n ladder chain generates isostructural two-dimensional network motifs by doubly pillaring via L. The bulk-phase purity of ADES-4 and ADES-5 synthesized by a versatile synthetic approach has been recognized by the decent match of powder X-ray diffraction patterns with the simulated one. Both ADES-4 and ADES-5 showed selective adsorption of cationic dyes methylene blue (MB), methyl violet (MV), and rhodamine B (RhB) over anionic dye methyl orange (MO) from water with good uptake and rapid adsorption. Utilization of ADES-4 as a chromatographic column filler for adsorptive removal of individual cationic dyes as well as a mixture of dyes has been demonstrated from the aqueous phase. Interestingly, ADES-4 is reusable with good stability, and it showed a dye desorption phenomenon in methanol. The probable mechanism of cationic dye removal based on insight from structural information and plausible supramolecular interactions has also been explored. Both MOFs also showed efficient catalytic transformation of fructose and glucose into the high-value chemical intermediate 5-hydroxymethylfurfural of industrial significance.
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Affiliation(s)
- Unnati Patel
- Department of Chemical Sciences, P. D. Patel Institute of Applied Sciences, Charotar University of Science and Technology (CHARUSAT), Changa 388 421, Gujarat, India
| | - Bhavesh Parmar
- Analytical and Environmental Science Division and Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364 002, Gujarat, India
| | - Abhishek Dadhania
- Department of Chemical Sciences, P. D. Patel Institute of Applied Sciences, Charotar University of Science and Technology (CHARUSAT), Changa 388 421, Gujarat, India.,Analytical and Environmental Science Division and Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364 002, Gujarat, India
| | - Eringathodi Suresh
- Analytical and Environmental Science Division and Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364 002, Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, Uttar Pradesh, India
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12
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Ma H, Li Z, Chen L, Teng J. LiCl-promoted-dehydration of fructose-based carbohydrates into 5-hydroxymethylfurfural in isopropanol. RSC Adv 2021; 11:1404-1410. [PMID: 35424116 PMCID: PMC8693523 DOI: 10.1039/d0ra08737h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 12/22/2020] [Indexed: 12/29/2022] Open
Abstract
The carbohydrate-derived 5-hydroxymethylfurfural (HMF) is one of the most versatile intermediate chemicals, and is promising to bridge the growing gap between the supply and demand of energy and chemicals. Developing a low-cost catalytic system will be helpful to the production of HMF in industry. Herein, the commercially available lithium chloride (LiCl) and isopropanol (i-PrOH) are used to construct a cost-effective and low-toxic system, viz., LiCl/i-PrOH, for the preparation of HMF from fructose-based carbohydrates, achieving ∼80% of HMF yield under the optimum conditions. The excellent promotion effect of LiCl on fructose conversion in i-PrOH could be attributed to the synergistic effect of LiCl with i-PrOH through the LiCl-promoted and i-PrOH-aided dehydration process, and the co-operation of LiCl and i-PrOH for stabilizing the as-formed HMF by hydrogen/coordination bonds, giving a low activation energy of 68.68 kJ mol-1 with a pre-exponential factor value of 1.2 × 104 min-1. The LiCl/i-PrOH system is a substrate-tolerant and scalable catalytic system, fructose (scaled up 10 times), sucrose, and inulin also give 73.6%, 30.3%, and 70.3% HMF yield, respectively. Moreover, this system could be reused 8 times without significant loss of activity. The readily available and low-toxic LiCl, the sustainable solvent (i-PrOH), the renewable starting materials, and the mild reaction conditions make this system promising and sustainable for the industrial production of HMF in future.
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Affiliation(s)
- Hao Ma
- College of Chemistry, Guangdong University of Petrochemical Technology Maoming 525000 P. R. China
| | - Zhenzhen Li
- School of Chemistry and Chemical Engineering, South China University of Technology Guangzhou 510640 P. R. China
| | - Lili Chen
- College of Chemistry, Guangdong University of Petrochemical Technology Maoming 525000 P. R. China
| | - Junjiang Teng
- College of Chemistry, Guangdong University of Petrochemical Technology Maoming 525000 P. R. China
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Aramsangtienchai P, Kongmon T, Pechroj S, Srisook K. Enhanced production and immunomodulatory activity of levan from the acetic acid bacterium, Tanticharoenia sakaeratensis. Int J Biol Macromol 2020; 163:574-581. [PMID: 32629048 DOI: 10.1016/j.ijbiomac.2020.07.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 06/30/2020] [Accepted: 07/01/2020] [Indexed: 02/06/2023]
Abstract
Levan is a fructose polymer with β-(2 → 6) glycosidic linkages. It is produced by several microorganisms, and due to its potential biotechnological and industrial applications, various levan-producing bacteria with different levels of production efficiencies have been reported. We investigated the levan-producing ability of the acetic acid bacterium, Tanticharoenia sakaeratensis. The exopolysaccharides produced by the bacterium under a sucrose environment were characterized as levan by FT-IR, and 1H and 13C NMR. The molecular weight of levan thus produced range from 1.0 × 105-6.8 × 105 Da. The maximum yield of levan from T. sakaeratensis is 24.7 g·L-1 in a liquid medium containing 20% (w/v) sucrose and incubated at 37 °C, 250 RPM for 35 h. The levan produced by T. sakaeratensis can promote nitric oxide production in RAW264.7 macrophage cells in a concentration-dependent manner, suggesting it has immunomodulatory effects. Our study reveals that T. sakaeratensis can be potentially employed as a new source of levan for industrial applications.
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Affiliation(s)
- Pornpun Aramsangtienchai
- Department of Biochemistry and Research Unit of Natural Bioactive Compounds for Healthcare Products Development, Faculty of Science, Burapha University, Chonburi 20131, Thailand; Center of Excellence for Innovation in Chemistry, Burapha University, 20131, Thailand.
| | - Titapa Kongmon
- Department of Biochemistry and Research Unit of Natural Bioactive Compounds for Healthcare Products Development, Faculty of Science, Burapha University, Chonburi 20131, Thailand
| | - Sirintip Pechroj
- Department of Biochemistry and Research Unit of Natural Bioactive Compounds for Healthcare Products Development, Faculty of Science, Burapha University, Chonburi 20131, Thailand
| | - Klaokwan Srisook
- Department of Biochemistry and Research Unit of Natural Bioactive Compounds for Healthcare Products Development, Faculty of Science, Burapha University, Chonburi 20131, Thailand; Center of Excellence for Innovation in Chemistry, Burapha University, 20131, Thailand
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