1
|
Darvishi S, Sadjadi S, Monflier E, Heydari A, Heravi MM. Sulfonic acid-functionalized k-carrageenan/Cr-based metal-organic framework: An efficient and recyclable catalyst for fructose conversion to 5-hydroxymethylfurfural. Int J Biol Macromol 2024; 264:130555. [PMID: 38430997 DOI: 10.1016/j.ijbiomac.2024.130555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/12/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
A novel bio-based catalyst was developed by in-situ forming Chromium(III) (Cr)-based metal-organic framework, MIL-101(Cr), in the presence of k-carrageenan (k-Car) and followed by a post-synthetic modification to introduce additional -SO3H functional groups into the composite structure of k-Car/MIL-101(Cr). Different analyses were conducted to confirm the successful catalyst formation. The catalyst performance was evaluated in the solid acid catalyzed dehydration of fructose to 5-hydroxymethylfurfural. The Response Surface Method (RSM) optimization determined that employing 33 wt% of the catalyst at 105 °C for 40 min resulted in a remarkable 97.8 % yield. The catalyst demonstrated suitable recyclability, maintaining its catalytic efficiency over four cycles. Comparative studies with k-Car and the non-sulfonated composite highlighted the superior activity of the catalyst, emphasizing the synergy between the k-Car, MIL-101(Cr) and the influence of -SO3H post-functionalizing on the catalytic performance.
Collapse
Affiliation(s)
- Sima Darvishi
- Department of Chemistry, School of physic and chemistry, Alzahra University, PO Box 1993891176, Vanak, Tehran, Iran
| | - Samahe Sadjadi
- Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, PO Box 14975-112, Tehran, Iran.
| | - Eric Monflier
- Univ. Artois, CNRS, Centrale Lille, Univ. Lille, UMR 8181, Unite de Catalyse et de Chimie du Solide (UCCS), 62300 Lens, France
| | - Abolfazl Heydari
- Polymer Institute of the Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia
| | - Majid M Heravi
- Department of Chemistry, School of physic and chemistry, Alzahra University, PO Box 1993891176, Vanak, Tehran, Iran
| |
Collapse
|
2
|
Darvishi S, Sadjadi S, Heravi MM. Sulfonic acid-functionalized chitosan-metal-organic framework composite for efficient and rapid conversion of fructose to 5-hydroxymethylfurfural. Sci Rep 2024; 14:5834. [PMID: 38461340 PMCID: PMC10925054 DOI: 10.1038/s41598-024-56592-3] [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: 01/01/2024] [Accepted: 03/08/2024] [Indexed: 03/11/2024] Open
Abstract
In pursuit of designing a bio-based catalyst for the dehydration of biomass (i.e., fructose) to 5-hydroxymethylfurfural, a novel catalytic composite was prepared by in-situ formation of an Al-based metal-organic framework in the presence of chitosan. To enhance the acidity of the as-prepared catalyst, it was sulfonated with chlorosulfonic acid. Various characterization techniques, including XRD, XPS, FTIR, SEM/EDX, TGA, and elemental mapping analysis were applied to validate the formation of the acidic composite. Fructose dehydration conditions were also optimized using Response Surface Method (RSM) and it was found that reaction in the presence of catalyst (23 wt%) in DMSO, at 110 °C for 40 min led to the formation of HMF in 97.1%. Noteworthy, the catalyst was recyclable and stable up to five runs with a minor reduction in its activity.
Collapse
Affiliation(s)
- Sima Darvishi
- Department of Chemistry, School of Physics and Chemistry, Alzahra University, PO Box 1993891176, Vanak, Tehran, Iran
| | - Samahe Sadjadi
- Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, PO Box 14975-112, Tehran, Iran.
| | - Majid M Heravi
- Department of Chemistry, School of Physics and Chemistry, Alzahra University, PO Box 1993891176, Vanak, Tehran, Iran
| |
Collapse
|
3
|
Hahn C, Göttker-Schnetmann I, Tzourtzouklis I, Wagner M, Müller AHE, Floudas G, Mecking S, Frey H. Nopadiene: A Pinene-Derived Cyclic Diene as a Styrene Substitute for Fully Biobased Thermoplastic Elastomers. J Am Chem Soc 2023. [PMID: 38048399 DOI: 10.1021/jacs.3c08130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
The bicyclic 1,2-substituted, 1,3-diene monomer nopadiene (1R,5S)-2-ethenyl-6,6-dimethylbicyclo[3.1.1]hept-2-ene was successfully polymerized by anionic and catalytic polymerization. Nopadiene is produced either through a facile one-step synthesis from myrtenal via Wittig-olefination or via a scalable two-step reaction from nopol (10-hydroxymethylene-2-pinene). Both terpenoids originate from the renewable β-pinene. The living anionic polymerization of nopadiene in apolar and polar solvents at 25 °C using organolithium initiators resulted in homopolymers with well-controlled molar masses in the range of 5.6-103.4 kg·mol-1 (SEC, PS calibration) and low dispersities (Đ) between 1.06 and 1.18. By means of catalytic polymerization with Me4CpSi(Me)2NtBuTiCl2 and (Flu)(Pyr)CH2Lu(CH2TMS)2(THF), the 1,4 and 3,4- microstructures of nopadiene are accessible in excellent selectivity. In pronounced contrast to other 1,3-dienes, the rigid polymers of the sterically demanding nopadiene showed an elevated glass temperature, Tg,∞ = 160 °C (in the limit of very high molar mass, Mn). ABA triblock copolymers with a central polymyrcene block and myrcene content of 60-75 mol %, with molar masses of 100-200 kg/mol were prepared by living anionic polymerization of the pinene-derivable monomers nopadiene and myrcene. This diene copolymerization resulted in thermoplastic elastomers displaying nanophase separation at different molar ratios (DSC, SAXS) and an upper service temperature about 30 K higher than that for traditional petroleum-derived styrenic thermoplastic elastomers due to the high glass temperature of polynopadiene. The materials showed good thermal stability at elevated temperatures under nitrogen (TGA), promising tensile strength and ultimate elongation of up to 1600%.
Collapse
Affiliation(s)
- Christoph Hahn
- Department of Chemistry, Johannes Gutenberg University, 55128 Mainz, Germany
- Max-Planck Graduate Center, 55128 Mainz, Germany
| | - Inigo Göttker-Schnetmann
- Chair Materials Science, Department of Chemistry, University of Konstanz, 78457 Konstanz, Germany
| | | | - Manfred Wagner
- Max Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Axel H E Müller
- Department of Chemistry, Johannes Gutenberg University, 55128 Mainz, Germany
| | - George Floudas
- Department of Physics, University of Ioannina, 45110 Ioannina, Greece
- Max Planck Institute for Polymer Research, 55128 Mainz, Germany
- Institute of Materials Science and Computing, University Research Center of Ioannina (URCI), 45110 Ioannina, Greece
| | - Stefan Mecking
- Chair Materials Science, Department of Chemistry, University of Konstanz, 78457 Konstanz, Germany
| | - Holger Frey
- Department of Chemistry, Johannes Gutenberg University, 55128 Mainz, Germany
| |
Collapse
|
4
|
Gu R, Duo L, Guo X, Zou Z, Zhao D. Spatiotemporal heterogeneity between agricultural carbon emission efficiency and food security in Henan, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:49470-49486. [PMID: 36780085 DOI: 10.1007/s11356-023-25821-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 02/05/2023] [Indexed: 02/14/2023]
Abstract
It is significant to investigate the coupling and coordination between agricultural carbon emission efficiency (ACEE) and food security and to achieve peak carbon dioxide emissions and carbon neutrality in agriculture as early as possible while ensuring national food security. The Super-SBM (slack-based model) and the comprehensive index method were used to measure the ACEE and food security level in Henan province from 2010 to 2020. The coupling coordination degree (CCD) and the relative state of ACEE and food security were analyzed using the coupling coordination degree model (CCDM) and the relative development degree model (RDDM). In addition, the interaction between ACEE and food security and the spatial-temporal heterogeneity were analyzed by combining with the geographically and temporally weighted regression (GTWR) model. The results showed that: Firstly, the overall level of ACEE was high, and the spatial heterogeneity of ACEE was significant. The spatial pattern of food security is relatively stable, with high levels in the south and low levels in the north. Secondly, The CCD between ACEE and food security in Henan province generally shows a decreasing trend. In the spatial dimension, the CCD between ACEE and food security in Henan province exhibits a spatial divergence characteristic of low in the center and high in the north and south, with significant regional variations. Finally, there is spatial and temporal heterogeneity between ACEE and food security. The regression coefficients differ significantly among different cities, the regression coefficients do not show a consistent positive or negative correlation, and the regression coefficients are distributed both positively and negatively. This study serves as a guide for achieving the goal of double carbon in agriculture and ensuring food security.
Collapse
Affiliation(s)
- Ruili Gu
- Key Laboratory of Mine Environmental Monitoring and Improving Around Poyang Lake of Ministry of Natural Resources, East China University of Technology, Nanchang, 330013, China.,Resource and Environmental Strategy Research Center of Jiangxi Soft Science Research and Cultivation Base, East China University of Technology, Nanchang, 330013, China.,Faculty of Geomatics, East China University of Technology, Nanchang, 330013, China
| | - Linghua Duo
- Key Laboratory of Mine Environmental Monitoring and Improving Around Poyang Lake of Ministry of Natural Resources, East China University of Technology, Nanchang, 330013, China. .,Resource and Environmental Strategy Research Center of Jiangxi Soft Science Research and Cultivation Base, East China University of Technology, Nanchang, 330013, China. .,Faculty of Geomatics, East China University of Technology, Nanchang, 330013, China.
| | - Xiaofei Guo
- Key Laboratory of Mine Environmental Monitoring and Improving Around Poyang Lake of Ministry of Natural Resources, East China University of Technology, Nanchang, 330013, China.,Resource and Environmental Strategy Research Center of Jiangxi Soft Science Research and Cultivation Base, East China University of Technology, Nanchang, 330013, China.,Faculty of Geomatics, East China University of Technology, Nanchang, 330013, China
| | - Zili Zou
- Resource and Environmental Strategy Research Center of Jiangxi Soft Science Research and Cultivation Base, East China University of Technology, Nanchang, 330013, China
| | - Dongxue Zhao
- Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Gatton Campus, Gatton, QLD, 4343, Australia
| |
Collapse
|
5
|
Chakraborty D, Chatterjee S, Althuri A, Palani SG, Venkata Mohan S. Sustainable enzymatic treatment of organic waste in a framework of circular economy. BIORESOURCE TECHNOLOGY 2023; 370:128487. [PMID: 36528180 DOI: 10.1016/j.biortech.2022.128487] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Enzymatic treatment of food and vegetable waste (FVW) is an eco-friendly approach for producing industrially relevant value-added products. This review describes the sources, activities and potential applications of crucial enzymes in FVW valorization. The specific roles of amylase, cellulase, xylanase, ligninase, protease, pectinase, tannase, lipase and zymase enzymes were explained. The exhaustive list of value-added products that could be produced from FVW is presented. FVW valorization through enzymatic and whole-cell enzymatic valorization was compared. The note on global firms specialized in enzyme production reiterates the economic importance of enzymatic treatment. This review provides information on choosing an efficient enzymatic FVW treatment strategy, such as nanoenzyme and cross-linked based enzyme immobilization, to make the process viable, sustainable and cheaper. Finally, the importance of life cycle assessment of enzymatic valorization of FVW was impressed to prove this approach is a better option to shift from a linear to a circular economy.
Collapse
Affiliation(s)
- Debkumar Chakraborty
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India
| | - Sulogna Chatterjee
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Avanthi Althuri
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Sangareddy-502284, Telangana, India
| | - Sankar Ganesh Palani
- Environmental Biotechnology Laboratory, Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, Hyderabad Campus 500078, India
| | - S Venkata Mohan
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
| |
Collapse
|
6
|
Hoyos P, Perona A, Bavaro T, Berini F, Marinelli F, Terreni M, Hernáiz MJ. Biocatalyzed Synthesis of Glycostructures with Anti-infective Activity. Acc Chem Res 2022; 55:2409-2424. [PMID: 35942874 PMCID: PMC9454102 DOI: 10.1021/acs.accounts.2c00136] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Molecules containing carbohydrate moieties play essential roles in fighting a variety of bacterial and viral infections. Consequently, the design of new carbohydrate-containing drugs or vaccines has attracted great attention in recent years as means to target several infectious diseases.Conventional methods to produce these compounds face numerous challenges because their current production technology is based on chemical synthesis, which often requires several steps and uses environmentally unfriendly reactants, contaminant solvents, and inefficient protocols. The search for sustainable processes such as the use of biocatalysts and eco-friendly solvents is of vital importance. Therefore, their use in a variety of reactions leading to the production of pharmaceuticals has increased exponentially in the last years, fueled by recent advances in protein engineering, enzyme directed evolution, combinatorial biosynthesis, immobilization techniques, and flow biocatalysis. In glycochemistry and glycobiology, enzymes belonging to the families of glycosidases, glycosyltransferases (Gtfs), lipases, and, in the case of nucleoside and nucleotide analogues, also nucleoside phosphorylases (NPs) are the preferred choices as catalysts.In this Account, on the basis of our expertise, we will discuss the recent biocatalytic and sustainable approaches that have been employed to synthesize carbohydrate-based drugs, ranging from antiviral nucleosides and nucleotides to antibiotics with antibacterial activity and glycoconjugates such as neoglycoproteins (glycovaccines, GCVs) and glycodendrimers that are considered as very promising tools against viral and bacterial infections.In the first section, we will report the use of NPs and N-deoxyribosyltransferases for the development of transglycosylation processes aimed at the synthesis of nucleoside analogues with antiviral activity. The use of deoxyribonucleoside kinases and hydrolases for the modification of the sugar moiety of nucleosides has been widely investigated.Next, we will describe the results obtained using enzymes for the chemoenzymatic synthesis of glycoconjugates such as GCVs and glycodendrimers with antibacterial and antiviral activity. In this context, the search for efficient enzymatic syntheses represents an excellent strategy to produce structure-defined antigenic or immunogenic oligosaccharide analogues with high purity. Lipases, glycosidases, and Gtfs have been used for their preparation.Interestingly, many authors have proposed the use Gtfs originating from the biosynthesis of natural glycosylated antibiotics such as glycopeptides, macrolides, and aminoglycosides. These have been used in the chemoenzymatic semisynthesis of novel antibiotic derivatives by modification of the sugar moiety linked to their complex scaffold. These contributions will be described in the last section of this review because of their relevance in the fight against the spreading phenomenon of antibiotic resistance. In this context, the pioneering in vivo synthesis of novel derivatives obtained by genetic manipulation of producer strains (combinatorial biosynthesis) will be shortly described as well.All of these strategies provide a useful and environmentally friendly synthetic toolbox. Likewise, the field represents an illustrative example of how biocatalysis can contribute to the sustainable development of complex glycan-based therapies and how problems derived from the integration of natural tools in synthetic pathways can be efficiently tackled to afford high yields and selectivity. The use of enzymatic synthesis is becoming a reality in the pharmaceutical industry and in drug discovery to rapidly afford collections of new antibacterial or antiviral molecules with improved specificity and better metabolic stability.
Collapse
Affiliation(s)
- Pilar Hoyos
- Departamento
de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Almudena Perona
- Departamento
de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Teodora Bavaro
- Dipartimento
di Scienze del Farmaco, Università
di Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Francesca Berini
- Dipartimento
di Biotecnologie e Scienze della Vita, Università
degli Studi dell’Insubria, Via Dunant 3, 21100 Varese, Italy
| | - Flavia Marinelli
- Dipartimento
di Biotecnologie e Scienze della Vita, Università
degli Studi dell’Insubria, Via Dunant 3, 21100 Varese, Italy
| | - Marco Terreni
- Dipartimento
di Scienze del Farmaco, Università
di Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - María J. Hernáiz
- Departamento
de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain,
| |
Collapse
|
7
|
Microorganisms as New Sources of Energy. ENERGIES 2022. [DOI: 10.3390/en15176365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The use of fossil energy sources has a negative impact on the economic and socio-political stability of specific regions and countries, causing environmental changes due to the emission of greenhouse gases. Moreover, the stocks of mineral energy are limited, causing the demand for new types and forms of energy. Biomass is a renewable energy source and represents an alternative to fossil energy sources. Microorganisms produce energy from the substrate and biomass, i.e., from substances in the microenvironment, to maintain their metabolism and life. However, specialized microorganisms also produce specific metabolites under almost abiotic circumstances that often do not have the immediate task of sustaining their own lives. This paper presents the action of biogenic and biogenic–thermogenic microorganisms, which produce methane, alcohols, lipids, triglycerides, and hydrogen, thus often creating renewable energy from waste biomass. Furthermore, some microorganisms acquire new or improved properties through genetic interventions for producing significant amounts of energy. In this way, they clean the environment and can consume greenhouse gases. Particularly suitable are blue-green algae or cyanobacteria but also some otherwise pathogenic microorganisms (E. coli, Klebsiella, and others), as well as many other specialized microorganisms that show an incredible ability to adapt. Microorganisms can change the current paradigm, energy–environment, and open up countless opportunities for producing new energy sources, especially hydrogen, which is an ideal energy source for all systems (biological, physical, technological). Developing such energy production technologies can significantly change the already achieved critical level of greenhouse gases that significantly affect the climate.
Collapse
|
8
|
Pei X, Luo Z, Qiao L, Xiao Q, Zhang P, Wang A, Sheldon RA. Putting precision and elegance in enzyme immobilisation with bio-orthogonal chemistry. Chem Soc Rev 2022; 51:7281-7304. [PMID: 35920313 DOI: 10.1039/d1cs01004b] [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
The covalent immobilisation of enzymes generally involves the use of highly reactive crosslinkers, such as glutaraldehyde, to couple enzyme molecules to each other or to carriers through, for example, the free amino groups of lysine residues, on the enzyme surface. Unfortunately, such methods suffer from a lack of precision. Random formation of covalent linkages with reactive functional groups in the enzyme leads to disruption of the three dimensional structure and accompanying activity losses. This review focuses on recent advances in the use of bio-orthogonal chemistry in conjunction with rec-DNA to affect highly precise immobilisation of enzymes. In this way, cost-effective combination of production, purification and immobilisation of an enzyme is achieved, in a single unit operation with a high degree of precision. Various bio-orthogonal techniques for putting this precision and elegance into enzyme immobilisation are elaborated. These include, for example, fusing (grafting) peptide or protein tags to the target enzyme that enable its immobilisation in cell lysate or incorporating non-standard amino acids that enable the application of bio-orthogonal chemistry.
Collapse
Affiliation(s)
- Xiaolin Pei
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Zhiyuan Luo
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Li Qiao
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Qinjie Xiao
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Pengfei Zhang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Anming Wang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Roger A Sheldon
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, PO Wits, 2050, Johannesburg, South Africa. .,Department of Biotechnology, Section BOC, Delft University of Technology, van der Maasweg 9, 2629 HZ Delft, The Netherlands
| |
Collapse
|
9
|
Sganzerla WG, Viganó J, Castro LEN, Maciel-Silva FW, Rostagno MA, Mussatto SI, Forster-Carneiro T. Recovery of sugars and amino acids from brewers' spent grains using subcritical water hydrolysis in a single and two sequential semi-continuous flow-through reactors. Food Res Int 2022; 157:111470. [PMID: 35761701 DOI: 10.1016/j.foodres.2022.111470] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/26/2022] [Accepted: 06/02/2022] [Indexed: 11/15/2022]
Abstract
This study evaluated the subcritical water hydrolysis (SWH) of brewer's spent grains (BSG) to obtain sugars and amino acids. The experimental conditions investigated the hydrolysis of BSG in a single flow-through reactor and in two sequential reactors operated in semi-continuous mode. The hydrolysis experiments were carried out for 120 min at 15 MPa, 5 mL water min-1, at different temperatures (80 - 180 °C) and using an S/F of 20 and 10 g solvent g-1 BSG, for the single and two sequential reactors, respectively. The highest monosaccharide yields were obtained at 180 °C in a single reactor (47.76 mg g-1 carbohydrates). With these operational conditions, the hydrolysate presented xylose (0.477 mg mL-1) and arabinose (1.039 mg mL-1) as main sugars, while low contents of furfural (310.7 µg mL-1), 5-hydroxymethylfurfural (<1 mg L-1), and organic acids (0.343 mg mL-1) were obtained. The yield of proteins at 180 °C in a process with a single reactor was 43.62 mg amino acids g-1 proteins, where tryptophan (215.55 µg mL-1), aspartic acid (123.35 µg mL-1), valine (64.35 µg mL-1), lysine (16.55 µg mL-1), and glycine (16.1 µg mL-1) were the main amino acids recovered in the hydrolysate. In conclusion, SWH pretreatment is a promising technology to recover bio-based compounds from BSG; however, further studies are still needed to increase the yield of bioproducts from lignocellulosic biomass to explore two sequential reactors.
Collapse
Affiliation(s)
| | - Juliane Viganó
- School of Applied Sciences (FCA), University of Campinas (UNICAMP), Limeira, SP, Brazil
| | | | | | - Mauricio A Rostagno
- School of Applied Sciences (FCA), University of Campinas (UNICAMP), Limeira, SP, Brazil.
| | - Solange I Mussatto
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads, Building 223, 2800 Kongens Lyngby, Denmark
| | - Tânia Forster-Carneiro
- School of Food Engineering (FEA), University of Campinas (UNICAMP), Campinas, SP, Brazil
| |
Collapse
|
10
|
Hahn C, Wagner M, Müller AHE, Frey H. MyrDOL, a Protected Dihydroxyfunctional Diene Monomer Derived from β-Myrcene: Functional Polydienes from Renewable Resources via Anionic Polymerization. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Christoph Hahn
- Department of Chemistry, Johannes Gutenberg-University, Duesbergweg 10-14, 55128 Mainz, Germany
- Max Planck Graduate Center Mainz, Staudingerweg 9, 55128 Mainz, Germany
| | - Manfred Wagner
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Axel H. E. Müller
- Department of Chemistry, Johannes Gutenberg-University, Duesbergweg 10-14, 55128 Mainz, Germany
| | - Holger Frey
- Department of Chemistry, Johannes Gutenberg-University, Duesbergweg 10-14, 55128 Mainz, Germany
| |
Collapse
|
11
|
Sheldon RA, Brady D. Green Chemistry, Biocatalysis, and the Chemical Industry of the Future. CHEMSUSCHEM 2022; 15:e202102628. [PMID: 35026060 DOI: 10.1002/cssc.202102628] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/11/2022] [Indexed: 06/14/2023]
Abstract
In the movement to decarbonize our economy and move away from fossil fuels we will need to harness the waste products of our activities, such as waste lignocellulose, methane, and carbon dioxide. Our wastes need to be integrated into a circular economy where used products are recycled into a manufacturing carbon cycle. Key to this will be the recycling of plastics at the resin and monomer levels. Biotechnology is well suited to a future chemical industry that must adapt to widely distributed and diverse biological chemical feedstocks. Our increasing mastery of biotechnology is allowing us to develop enzymes and organisms that can synthesize a widening selection of desirable bulk chemicals, including plastics, at commercially viable productivities. Integration of bioreactors with electrochemical systems will permit new production opportunities with enhanced productivities and the advantage of using a low-carbon electricity from renewable and sustainable sources.
Collapse
Affiliation(s)
- Roger A Sheldon
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, 1 Jan Smuts Avenue, Braamfontein, Johannesburg, 2000, South Africa
- Department of Biotechnology, Delft University of Technology, Section BOC, van der Maasweg 9, 2629 HZ, Delft, Netherlands
| | - Dean Brady
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, 1 Jan Smuts Avenue, Braamfontein, Johannesburg, 2000, South Africa
| |
Collapse
|
12
|
Wohlgemuth R. Selective Biocatalytic Defunctionalization of Raw Materials. CHEMSUSCHEM 2022; 15:e202200402. [PMID: 35388636 DOI: 10.1002/cssc.202200402] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/05/2022] [Indexed: 06/14/2023]
Abstract
Biobased raw materials, such as carbohydrates, amino acids, nucleotides, or lipids contain valuable functional groups with oxygen and nitrogen atoms. An abundance of many functional groups of the same type, such as primary or secondary hydroxy groups in carbohydrates, however, limits the synthetic usefulness if similar reactivities cannot be differentiated. Therefore, selective defunctionalization of highly functionalized biobased starting materials to differentially functionalized compounds can provide a sustainable access to chiral synthons, even in case of products with fewer functional groups. Selective defunctionalization reactions, without affecting other functional groups of the same type, are of fundamental interest for biocatalytic reactions. Controlled biocatalytic defunctionalizations of biobased raw materials are attractive for obtaining valuable platform chemicals and building blocks. The biocatalytic removal of functional groups, an important feature of natural metabolic pathways, can also be utilized in a systemic strategy for sustainable metabolite synthesis.
Collapse
Affiliation(s)
- Roland Wohlgemuth
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology Łódź, 90-537, Lodz, Poland
- Swiss Coordination Committee Biotechnology (SKB), 8002, Zurich, Switzerland
| |
Collapse
|
13
|
Bio-Based Plastics Production, Impact and End of Life: A Literature Review and Content Analysis. SUSTAINABILITY 2022. [DOI: 10.3390/su14084855] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The accumulation of plastic wastes is one of the most widely spread problems affecting the environment. The reality that plastics can be made from renewable resources and degrade naturally has prompted academics to think outside the box to develop “better for the environment” items. In this paper, a bibliometric analysis of the scholarly publications related to bio-based plastics within the last 20 years is presented. Annual progression, geographic and research area distribution, and keyword co-occurrence were all examined. Six distinct clusters emerged from keyword analysis, which were further categorized into three directions: production to marketing; impact on the environment, economy, and society; and end-of-life (EoL) options. The major focus was on how to counter the weaknesses and challenges of bio-based plastics and take opportunities using the inherent advantages of bio-based plastics. Comprehensive studies regarding the impact of bio-based plastics on the environment, economy and social sustainability are still deficient. Although there are many promising innovations in this area, most of them are at the research stage. The benefits of bio-based plastics and better EoL options can be enjoyed only after increased production.
Collapse
|
14
|
Impact of uncertainty in technological cycle on circular economy: Bio-based jet fuel range alkenes and pentanediols production. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.08.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
15
|
Chandrashekhar VG, Natte K, Alenad AM, Alshammari AS, Kreyenschulte C, Jagadeesh RV. Reductive Amination, Hydrogenation and Hydrodeoxygenation of 5‐Hydroxymethylfurfural using Silica‐supported Cobalt‐ Nanoparticles. ChemCatChem 2021. [DOI: 10.1002/cctc.202101234] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Kishore Natte
- Chemical and Material Science Division CSIR - Indian Institute of Petroleum Haridwar road Mohkampur, Dehradun 248005 India
| | - Asma M. Alenad
- Chemistry Department College of Science Jouf University P.O. Box: 2014 Sakaka Kingdom of Saudi Arabia
| | - Ahmad S. Alshammari
- King Abdulaziz City for Science and Technology P.O. Box 6086 Riyadh 1442 Kingdom of Saudi Arabia
| | | | | |
Collapse
|
16
|
Zhou Y, Wu S, Bornscheuer UT. Recent advances in (chemo)enzymatic cascades for upgrading bio-based resources. Chem Commun (Camb) 2021; 57:10661-10674. [PMID: 34585190 DOI: 10.1039/d1cc04243b] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Developing (chemo)enzymatic cascades is very attractive for green synthesis, because they streamline multistep synthetic processes. In this Feature Article, we have summarized the recent advances in in vitro or whole-cell cascade reactions with a focus on the use of renewable bio-based resources as starting materials. This includes the synthesis of rare sugars (such as ketoses, L-ribulose, D-tagatose, myo-inositol or aminosugars) from readily available carbohydrate sources (cellulose, hemi-cellulose, starch), in vitro enzyme pathways to convert glucose to various biochemicals, cascades to convert 5-hydroxymethylfurfural and furfural obtained from lignin or xylose into novel precursors for polymer synthesis, the syntheses of phenolic compounds, cascade syntheses of aliphatic and highly reduced chemicals from plant oils and fatty acids, upgrading of glycerol or ethanol as well as cascades to transform natural L-amino acids into high-value (chiral) compounds. In several examples these processes have demonstrated their efficiency with respect to high space-time yields and low E-factors enabling mature green chemistry processes. Also, the strengths and limitations are discussed and an outlook is provided for improving the existing and developing new cascades.
Collapse
Affiliation(s)
- Yi Zhou
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Wuhan 430070, P. R. China.
| | - Shuke Wu
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Wuhan 430070, P. R. China. .,Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University Greifswald, Felix-Hausdorff-Str. 4, D-17487 Greifswald, Germany.
| | - Uwe T Bornscheuer
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University Greifswald, Felix-Hausdorff-Str. 4, D-17487 Greifswald, Germany.
| |
Collapse
|
17
|
Pickl M, Marín-Valls R, Joglar J, Bujons J, Clapés P. Chemoenzymatic Production of Enantiocomplementary 2-Substituted 3-Hydroxycarboxylic Acids from L-α-Amino Acids. Adv Synth Catal 2021; 363:2866-2876. [PMID: 34276272 PMCID: PMC7611260 DOI: 10.1002/adsc.202100145] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Indexed: 12/14/2022]
Abstract
A two-enzyme cascade reaction plus in situ oxidative decarboxylation for the transformation of readily available canonical and non-canonical L-α-amino acids into 2-substituted 3-hydroxy-carboxylic acid derivatives is described. The biocatalytic cascade consisted of an oxidative deamination of L-α-amino acids by an L-α-amino acid deaminase from Cosenzaea myxofaciens, rendering 2-oxoacid intermediates, with an ensuing aldol addition reaction to formaldehyde, catalyzed by metal-dependent (R)- or (S)-selective carboligases namely 2-oxo-3-deoxy-l-rhamnonate aldolase (YfaU) and ketopantoate hydroxymethyltransferase (KPHMT), respectively, furnishing 3-substituted 4-hydroxy-2-oxoacids. The overall substrate conversion was optimized by balancing biocatalyst loading and amino acid and formaldehyde concentrations, yielding 36-98% aldol adduct formation and 91- 98% ee for each enantiomer. Subsequent in situ follow-up chemistry via hydrogen peroxide-driven oxidative decarboxylation afforded the corresponding 2-substituted 3-hydroxycarboxylic acid derivatives.
Collapse
Affiliation(s)
- Mathias Pickl
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
- Department of Chemistry, University of Graz, Heinrichstrasse 28, 8010 Graz, Austria
| | - Roser Marín-Valls
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
| | - Jesús Joglar
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
| | - Jordi Bujons
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
| | - Pere Clapés
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
| |
Collapse
|
18
|
Jocquel C, Muzard M, Plantier-Royon R, Rémond C. An Integrated Enzymatic Approach to Produce Pentyl Xylosides and Glucose/Xylose Laurate Esters From Wheat Bran. Front Bioeng Biotechnol 2021; 9:647442. [PMID: 33898404 PMCID: PMC8058420 DOI: 10.3389/fbioe.2021.647442] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 03/04/2021] [Indexed: 11/13/2022] Open
Abstract
Alkyl glycosides and sugars esters are non-ionic surfactants of interest for various applications (cosmetics, food, detergency,…). In the present study, xylans and cellulose from wheat bran were enzymatically converted into pentyl xylosides and glucose and xylose laurate monoesters. Transglycosylation reaction catalyzed by the commercial enzymatic cocktail Cellic Ctec2 in the presence of pentanol led to the synthesis of pentyl β-D-xylosides from DP1 to 3 with an overall yield of 520 mg/g of xylans present in wheat bran. Enzymatic hydrolysis of wheat bran with Cellic Ctec2 and subsequent acylation of the recovered D-glucose and D-xylose catalyzed by the commercial lipase N435 in the presence of lauric acid or methyl laurate produced one D-glucose laurate monoester and one D-xylose laurate monoester. An integrated approach combining transglycosylation and (trans)esterification reactions was successfully developed to produce both pentyl xylosides and D-glucose and D-xylose laurate esters from the same batch of wheat bran.
Collapse
Affiliation(s)
- Chloé Jocquel
- Université de Reims Champagne Ardenne, INRAE, FARE, UMR A 614, Chaire AFERE, Reims, France
| | - Murielle Muzard
- Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, Université de Reims Champagne-Ardenne, Reims, France
| | - Richard Plantier-Royon
- Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, Université de Reims Champagne-Ardenne, Reims, France
| | - Caroline Rémond
- Université de Reims Champagne Ardenne, INRAE, FARE, UMR A 614, Chaire AFERE, Reims, France
| |
Collapse
|
19
|
Fernández-Penas R, Verdugo-Escamilla C, Martínez-Rodríguez S, Gavira JA. Production of Cross-Linked Lipase Crystals at a Preparative Scale. CRYSTAL GROWTH & DESIGN 2021; 21:1698-1707. [PMID: 34602865 PMCID: PMC8479976 DOI: 10.1021/acs.cgd.0c01608] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/10/2021] [Indexed: 05/14/2023]
Abstract
The autoimmobilization of enzymes via cross-linked enzyme crystals (CLECs) has regained interest in recent years, boosted by the extensive knowledge gained in protein crystallization, the decrease of cost and laboriousness of the process, and the development of potential applications. In this work, we present the crystallization and preparative-scale production of reinforced cross-linked lipase crystals (RCLLCs) using a commercial detergent additive as a raw material. Bulk crystallization was carried out in 500 mL of agarose media using the batch technique. Agarose facilitates the homogeneous production of crystals, their cross-linking treatment, and their extraction. RCLLCs were active in an aqueous solution and in hexane, as shown by the hydrolysis of p-nitrophenol butyrate and α-methylbenzyl acetate, respectively. RCLLCs presented both high thermal and robust operational stability, allowing the preparation of a packed-bed chromatographic column to work in a continuous flow. Finally, we determined the three-dimensional (3D) models of this commercial lipase crystallized with and without phosphate at 2.0 and 1.7 Å resolutions, respectively.
Collapse
Affiliation(s)
- Raquel Fernández-Penas
- Laboratorio
de Estudios Cristalográficos, Instituto Andaluz de Ciencias
de la Tierra, Consejo Superior de Investigaciones
Científicas-Universidad de Granada, Avenida de las Palmeras 4, Armilla, 18100 Granada, Spain
| | - Cristóbal Verdugo-Escamilla
- Laboratorio
de Estudios Cristalográficos, Instituto Andaluz de Ciencias
de la Tierra, Consejo Superior de Investigaciones
Científicas-Universidad de Granada, Avenida de las Palmeras 4, Armilla, 18100 Granada, Spain
| | - Sergio Martínez-Rodríguez
- Laboratorio
de Estudios Cristalográficos, Instituto Andaluz de Ciencias
de la Tierra, Consejo Superior de Investigaciones
Científicas-Universidad de Granada, Avenida de las Palmeras 4, Armilla, 18100 Granada, Spain
- Departamento
de Bioquímica y Biología Molecular III e Inmunología, Universidad de Granada, Avenida de la Investigación 11, 18071 Granada, Spain
| | - José A. Gavira
- Laboratorio
de Estudios Cristalográficos, Instituto Andaluz de Ciencias
de la Tierra, Consejo Superior de Investigaciones
Científicas-Universidad de Granada, Avenida de las Palmeras 4, Armilla, 18100 Granada, Spain
| |
Collapse
|
20
|
Winkler C, Schrittwieser JH, Kroutil W. Power of Biocatalysis for Organic Synthesis. ACS CENTRAL SCIENCE 2021; 7:55-71. [PMID: 33532569 PMCID: PMC7844857 DOI: 10.1021/acscentsci.0c01496] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Indexed: 05/05/2023]
Abstract
Biocatalysis, using defined enzymes for organic transformations, has become a common tool in organic synthesis, which is also frequently applied in industry. The generally high activity and outstanding stereo-, regio-, and chemoselectivity observed in many biotransformations are the result of a precise control of the reaction in the active site of the biocatalyst. This control is achieved by exact positioning of the reagents relative to each other in a fine-tuned 3D environment, by specific activating interactions between reagents and the protein, and by subtle movements of the catalyst. Enzyme engineering enables one to adapt the catalyst to the desired reaction and process. A well-filled biocatalytic toolbox is ready to be used for various reactions. Providing nonnatural reagents and conditions and evolving biocatalysts enables one to play with the myriad of options for creating novel transformations and thereby opening new, short pathways to desired target molecules. Combining several biocatalysts in one pot to perform several reactions concurrently increases the efficiency of biocatalysis even further.
Collapse
Affiliation(s)
- Christoph
K. Winkler
- Institute
of Chemistry, University of Graz, NAWI Graz, Heinrichstraße
28, 8010 Graz, Austria
| | - Joerg H. Schrittwieser
- Institute
of Chemistry, University of Graz, NAWI Graz, Heinrichstraße
28, 8010 Graz, Austria
| | - Wolfgang Kroutil
- Institute
of Chemistry, University of Graz, NAWI Graz, Heinrichstraße
28, 8010 Graz, Austria
- Field
of Excellence BioHealth − University of Graz, 8010 Graz, Austria
- BioTechMed
Graz, 8010 Graz, Austria
| |
Collapse
|
21
|
Sheldon RA, Basso A, Brady D. New frontiers in enzyme immobilisation: robust biocatalysts for a circular bio-based economy. Chem Soc Rev 2021; 50:5850-5862. [DOI: 10.1039/d1cs00015b] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This tutorial review focuses on recent advances in technologies for enzyme immobilisation, enabling their cost-effective use in the bio-based economy and continuous processing in general.
Collapse
Affiliation(s)
- Roger A. Sheldon
- Molecular Sciences Institute
- School of Chemistry
- University of the Witwatersrand
- Johannesburg
- South Africa
| | | | - Dean Brady
- Molecular Sciences Institute
- School of Chemistry
- University of the Witwatersrand
- Johannesburg
- South Africa
| |
Collapse
|
22
|
Duque-Acevedo M, Belmonte-Ureña LJ, Yakovleva N, Camacho-Ferre F. Analysis of the Circular Economic Production Models and Their Approach in Agriculture and Agricultural Waste Biomass Management. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17249549. [PMID: 33419338 PMCID: PMC7767155 DOI: 10.3390/ijerph17249549] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/16/2020] [Accepted: 12/18/2020] [Indexed: 12/19/2022]
Abstract
As of now, circular economic production models of the circular economy (CEPMs), which include circular economy, bioeconomy, and circular bioeconomy, are among the main tools characterizing development policies in different countries. During the last five years, policies and strategies regarding CEPMs have promoted and contributed to the development of research on this topic. The evolution and most relevant aspects of the three CEPMs previously mentioned have been analyzed from a sample of 2190 scientific publications obtained from the Scopus database. Bibliometric analysis has been used to evaluate the approach of these models in agriculture and to introduce the ways in which they address the management of agricultural waste biomass (AWB). Results show that the circular economy is the most studied and prioritized model in China and most European countries, with the UK leading the way. Germany leads in topics related to the bioeconomy. The management policies and strategies of the circular bioeconomy are key to promoting research focused on AWB valorization since bioenergy and/or biofuel production continue to be a priority.
Collapse
Affiliation(s)
- Mónica Duque-Acevedo
- Department of Agronomy, Research Centre CIAIMBITAL, University of Almería, 04120 Almería, Spain; (M.D.-A.); (F.C.-F.)
| | - Luis Jesús Belmonte-Ureña
- Department of Economy and Business, Research Centre CIAIMBITAL, University of Almería, 04120 Almería, Spain
- Correspondence: ; Tel.: +34-950-214788
| | - Natalia Yakovleva
- Newcastle University Business School, Newcastle University, London E1 7EZ, UK;
| | - Francisco Camacho-Ferre
- Department of Agronomy, Research Centre CIAIMBITAL, University of Almería, 04120 Almería, Spain; (M.D.-A.); (F.C.-F.)
| |
Collapse
|