1
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Ruhl IA, Nelson RS, Katahira R, Kruger JS, Chen X, Haugen SJ, Ingraham MA, Woodworth SP, Alt H, Ramirez KJ, Peterson DJ, Ding L, Laible PD, Linger JG, Salvachúa D. Feedstock variability impacts the bioconversion of sugar and lignin streams derived from corn stover by Clostridium tyrobutyricum and engineered Pseudomonas putida. Microb Biotechnol 2024; 17:e70006. [PMID: 39235453 PMCID: PMC11376215 DOI: 10.1111/1751-7915.70006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Accepted: 08/15/2024] [Indexed: 09/06/2024] Open
Abstract
Feedstock variability represents a challenge in lignocellulosic biorefineries, as it can influence both lignocellulose deconstruction and microbial conversion processes for biofuels and biochemicals production. The impact of feedstock variability on microbial performance remains underexplored, and predictive tools for microbial behaviour are needed to mitigate risks in biorefinery scale-up. Here, twelve batches of corn stover were deconstructed via deacetylation, mechanical refining, and enzymatic hydrolysis to generate lignin-rich and sugar streams. These batches and their derived streams were characterised to identify their chemical components, and the streams were used as substrates for producing muconate and butyrate by engineered Pseudomonas putida and wildtype Clostridium tyrobutyricum, respectively. Bacterial performance (growth, product titers, yields, and productivities) differed among the batches, but no strong correlations were identified between feedstock composition and performance. To provide metabolic insights into the origin of these differences, we evaluated the effect of twenty-three isolated chemical components on these microbes, including three components in relevant bioprocess settings in bioreactors, and we found that growth-inhibitory concentrations were outside the ranges observed in the streams. Overall, this study generates a foundational dataset on P. putida and C. tyrobutyricum performance to enable future predictive models and underscores their resilience in effectively converting fluctuating lignocellulose-derived streams into bioproducts.
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Affiliation(s)
- Ilona A Ruhl
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Robert S Nelson
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Rui Katahira
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Jacob S Kruger
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Xiaowen Chen
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Stefan J Haugen
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Morgan A Ingraham
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Sean P Woodworth
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Hannah Alt
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Kelsey J Ramirez
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Darren J Peterson
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Ling Ding
- Energy and Environmental Science and Technology, Idaho National Laboratory, Idaho Falls, Idaho, USA
| | - Philip D Laible
- Biosciences Division, Argonne National Laboratory, Lemont, Illinois, USA
| | - Jeffrey G Linger
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Davinia Salvachúa
- Bioenergy Sciences and Technology Directorate, National Renewable Energy Laboratory, Golden, Colorado, USA
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Amino functionalization of magnetic multiwalled carbon nanotubes with flexible hydrophobic spacer for immobilization of Candida rugosa lipase and application in biocatalytic production of fruit flavour esters ethyl butyrate and butyl butyrate. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02657-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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3
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Agnihotri S, Yin DM, Mahboubi A, Sapmaz T, Varjani S, Qiao W, Koseoglu-Imer DY, Taherzadeh MJ. A Glimpse of the World of Volatile Fatty Acids Production and Application: A review. Bioengineered 2022; 13:1249-1275. [PMID: 34738864 PMCID: PMC8805862 DOI: 10.1080/21655979.2021.1996044] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/16/2021] [Accepted: 10/16/2021] [Indexed: 11/18/2022] Open
Abstract
Sustainable provision of chemicals and materials is undoubtedly a defining factor in guaranteeing economic, environmental, and social stability of future societies. Among the most sought-after chemical building blocks are volatile fatty acids (VFAs). VFAs such as acetic, propionic, and butyric acids have numerous industrial applications supporting from food and pharmaceuticals industries to wastewater treatment. The fact that VFAs can be produced synthetically from petrochemical derivatives and also through biological routes, for example, anaerobic digestion of organic mixed waste highlights their provision flexibility and sustainability. In this regard, this review presents a detailed overview of the applications associated with petrochemically and biologically generated VFAs, individually or in mixture, in industrial and laboratory scale, conventional and novel applications.
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Affiliation(s)
- Swarnima Agnihotri
- Swedish Centre for Resource Recovery, University of Borås, Borås, Sweden
| | - Dong-Min Yin
- Institute of Urban and Rural Mining, Changzhou University, Changzhou, China
| | - Amir Mahboubi
- Swedish Centre for Resource Recovery, University of Borås, Borås, Sweden
| | - Tugba Sapmaz
- Swedish Centre for Resource Recovery, University of Borås, Borås, Sweden
- Department of Environmental Engineering, Istanbul Technical University, Maslak, Istanbul, Turkey
| | | | - Wei Qiao
- Institute of Urban and Rural Mining, Changzhou University, Changzhou, China
| | - Derya Y. Koseoglu-Imer
- Department of Environmental Engineering, Istanbul Technical University, Maslak, Istanbul, Turkey
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4
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Sharma A, Thatai KS, Kuthiala T, Singh G, Arya SK. Employment of polysaccharides in enzyme immobilization. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.105005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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5
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Current State and Perspectives on Transesterification of Triglycerides for Biodiesel Production. Catalysts 2021. [DOI: 10.3390/catal11091121] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Triglycerides are the main constituents of lipids, which are the fatty acids of glycerol. Natural organic triglycerides (viz. virgin vegetable oils, recycled cooking oils, and animal fats) are the main sources for biodiesel production. Biodiesel (mono alkyl esters) is the most attractive alternative fuel to diesel, with numerous environmental advantages over petroleum-based fuel. The most practicable method for converting triglycerides to biodiesel with viscosities comparable to diesel fuel is transesterification. Previous research has proven that biodiesel–diesel blends can operate the compression ignition engine without the need for significant modifications. However, the commercialization of biodiesel is still limited due to the high cost of production. In this sense, the transesterification route is a crucial factor in determining the total cost of biodiesel production. Homogenous base-catalyzed transesterification, industrially, is the conventional method to produce biodiesel. However, this method suffers from limitations both environmentally and economically. Although there are review articles on transesterification, most of them focus on a specific type of transesterification process and hence do not provide a comprehensive picture. This paper reviews the latest progress in research on all facets of transesterification technology from reports published by highly-rated scientific journals in the last two decades. The review focuses on the suggested modifications to the conventional method and the most promising innovative technologies. The potentiality of each technology to produce biodiesel from low-quality feedstock is also discussed.
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6
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Bilal M, Fernandes CD, Mehmood T, Nadeem F, Tabassam Q, Ferreira LFR. Immobilized lipases-based nano-biocatalytic systems - A versatile platform with incredible biotechnological potential. Int J Biol Macromol 2021; 175:108-122. [PMID: 33548312 DOI: 10.1016/j.ijbiomac.2021.02.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 01/26/2021] [Accepted: 02/01/2021] [Indexed: 12/13/2022]
Abstract
Lipases belong to α/β hydrolases that cause hydrolytic catalysis of triacylglycerols to release monoacylglycerols, diacylglycerols, and glycerol with free fatty acids. Lipases have a common active site that contains three amino acid residues in a conserved Gly-X-Ser-X-Gly motif: a nucleophilic serine residue, an acidic aspartic or glutamic acid residue, and a basic histidine residue. Lipase plays a significant role in numerous industrial and biotechnological processes, including paper, food, oleochemical and pharmaceutical applications. However, its instability and aqueous solubility make application expensive and relatively challenging. Immobilization has been considered as a promising approach to improve enzyme stability, reusability, and survival under extreme temperature and pH environments. Innumerable supporting material in the form of natural polymers and nanostructured materials is a crucial aspect in the procedure of lipase immobilization used to afford biocompatibility, stability in physio-chemical belongings, and profuse binding positions for enzymes. This review outlines the unique structural and functional properties of a large number of polymers and nanomaterials as robust support matrices for lipase immobilization. Given these supporting materials, the applications of immobilized lipases in different industries, such as biodiesel production, polymer synthesis, additives, detergent, textile, and food industry are also discussed.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Clara Dourado Fernandes
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil; Waste and Effluent Treatment Laboratory, Institute of Technology and Research (ITP), Tiradentes University (UNIT), Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil
| | - Tahir Mehmood
- Institute of Biochemistry and Biotechnology, University of Veterinary and Animal Sciences-UVAS, Lahore 54000, Pakistan.
| | - Fareeha Nadeem
- Institute of Biochemistry and Biotechnology, University of Veterinary and Animal Sciences-UVAS, Lahore 54000, Pakistan
| | - Qudsia Tabassam
- Institute of Chemistry, University of Sargodha, Sargodha 4010, Pakistan
| | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil; Waste and Effluent Treatment Laboratory, Institute of Technology and Research (ITP), Tiradentes University (UNIT), Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil
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7
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Assessment of the Bioactive Potential of Cheese Whey Protein Hydrolysates Using Immobilized Alcalase. FOOD BIOPROCESS TECH 2020. [DOI: 10.1007/s11947-020-02552-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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8
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da Silva MVC, Rangel ABS, Aguiar LG, de Castro HF, de Freitas L. Continuous Enzymatic Synthesis of 2-Ethylhexyl Oleate in a Fluidized Bed Reactor: Operating Conditions, Hydrodynamics, and Mathematical Modeling. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c03504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mateus V. C. da Silva
- Department of Chemical Engineering, Engineering School of Lorena, University of São Paulo, Lorena, São Paulo 12602-810, Brazil
| | - Amanda B. S. Rangel
- Department of Chemical Engineering, Engineering School of Lorena, University of São Paulo, Lorena, São Paulo 12602-810, Brazil
| | - Leandro G. Aguiar
- Department of Chemical Engineering, Engineering School of Lorena, University of São Paulo, Lorena, São Paulo 12602-810, Brazil
| | - Heizir F. de Castro
- Department of Chemical Engineering, Engineering School of Lorena, University of São Paulo, Lorena, São Paulo 12602-810, Brazil
| | - Larissa de Freitas
- Department of Chemical Engineering, Engineering School of Lorena, University of São Paulo, Lorena, São Paulo 12602-810, Brazil
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9
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Xu Y, Minhazul KAHM, Li X. The occurrence, enzymatic production, and application of ethyl butanoate, an important flavor constituent. FLAVOUR FRAG J 2020. [DOI: 10.1002/ffj.3613] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Youqiang Xu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing China
- Beijing Engineering and Technology Research Center of Food Additives Beijing Technology and Business University Beijing China
| | - Karim A. H. M. Minhazul
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing China
- Beijing Engineering and Technology Research Center of Food Additives Beijing Technology and Business University Beijing China
| | - Xiuting Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing China
- Beijing Engineering and Technology Research Center of Food Additives Beijing Technology and Business University Beijing China
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10
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Optimization of the Enzymatic Synthesis of Pentyl Oleate with Lipase Immobilized onto Novel Structured Support. FERMENTATION-BASEL 2019. [DOI: 10.3390/fermentation5020048] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The term biorefinery is related to the sustainable production of value-added bioproducts and bioenergy from biomass. Esters from fatty acids are important compounds synthesized from by-products of the oleochemical industry. In agreement with the biorefinery concept, it is important to search for catalysts that reduce the consumption of energy and water, using moderate operation conditions and low reaction times. In this work, response surface methodology (RSM) was used to optimize the enzymatic synthesis of pentyl oleate using Candida antarctica lipase B (CALB) immobilized on a polyethylene-aluminum structured support. A factorial design was employed to evaluate the effects of several parameters on the ester yield. To obtain a model with a good fit, an approach to reaction mechanism and enzyme kinetics was taken into consideration. Experimental findings were correlated and explained using equations of a ping-pong bi-bi kinetic model and considering the inhibitory effects of both substrates. The developed model was consistent with the experimental data predicting an increase in pentyl oleate production with increasing temperature and a decrease with higher oleic acid amounts and alcohol to acid molar ratios. This model could be useful in a future industrial application of CALB/LLDPE/Al to minimize the costs in oleochemical biorefineries.
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11
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Efficient biotechnological synthesis of flavor esters using a low-cost biocatalyst with immobilized Rhizomucor miehei lipase. Mol Biol Rep 2018; 46:597-608. [DOI: 10.1007/s11033-018-4514-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 11/21/2018] [Indexed: 12/23/2022]
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12
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Immobilization of an Antarctic Pseudomonas AMS8 Lipase for Low Temperature Ethyl Hexanoate Synthesis. Catalysts 2018. [DOI: 10.3390/catal8060234] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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13
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Stein UH, Wimmer B, Ortner M, Fuchs W, Bochmann G. Maximizing the production of butyric acid from food waste as a precursor for ABE-fermentation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 598:993-1000. [PMID: 28468123 DOI: 10.1016/j.scitotenv.2017.04.139] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 03/31/2017] [Accepted: 04/19/2017] [Indexed: 06/07/2023]
Abstract
The current study reports on the maximization of butyric acid production from food waste using a mixed microbial fermentation. In semi-continuous fermentations the effect of three different pH values (5.5, 7.0 and 9.0), three different temperatures (37°C, 55°C and 70°C) and two levels of hydraulic retention time (HRT, 2days and 6days) on the formation of butyric acid as well as total volatile fatty acid production (tVFA) were investigated. Overall, pH5.5 provided the lowest butyric acid concentrations regardless of the temperature and the HRT. At mesophilic temperature (37°C) alkaline conditions (pH9.0) lead to a strong incline of tVFA as well as butyric acid concentration probably due to a decreased solubilization of the substrate. However, most efficient in terms of butyric acid production was the fermentation conducted at 55°C and pH7 where a butyric acid concentrations of 10.55g/L (HRT 2days) and 13.00g/L (HRT 6days) were achieved. Additional experiments at 70°C showed declining butyric acid production. Increase of the HRT from 2days to 6days provided an increment of butyric acid concentration throughout almost all experimental settings. However, regarding volumetric productivity the increase in concentration does not compensate for the bigger reactor volume required to establish a higher HRT. At pH7 and 55°C the resulting volumetric production rates were 5.27g/L∗d at a HRT 2days and only 2.17g/L∗d at a HRT of 6days.
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Affiliation(s)
- Ullrich Heinz Stein
- University of Natural Resources and Life Sciences, Institute for Environmental Biotechnology, Vienna, Austria.
| | - B Wimmer
- University of Natural Resources and Life Sciences, Institute for Environmental Biotechnology, Vienna, Austria
| | - M Ortner
- Bioenergy 2020+ GmbH, Graz, Austria
| | - W Fuchs
- University of Natural Resources and Life Sciences, Institute for Environmental Biotechnology, Vienna, Austria
| | - G Bochmann
- University of Natural Resources and Life Sciences, Institute for Environmental Biotechnology, Vienna, Austria
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14
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Devi NA, Radhika GB, Bhargavi RJ. Lipase catalyzed transesterification of ethyl butyrate synthesis in n-hexane- a kinetic study. Journal of Food Science and Technology 2017; 54:2871-2877. [PMID: 28928527 DOI: 10.1007/s13197-017-2725-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 05/25/2017] [Accepted: 05/30/2017] [Indexed: 11/26/2022]
Abstract
Kinetics of lipase catalyzed transesterification of ethyl caprate and butyric acid was investigated. The objective of this work was to propose a reaction mechanism and develop a rate equation for the synthesis of ethyl butyrate by transesterification using surfactant coated lipase from Candida rugosa. The reaction rate could be described in terms of Michaelis-Menten equation with a Ping-Pong Bi-Bi mechanism and competitive inhibition by both the substrates. The values of kinetic parameters computed were Vmax = 2.861 μmol/min/mg; Km(acid) = 0.0746 M; Km(ester) = 0.125 M; Ki acid = 0.450 M. This study indicated a competitive enzyme inhibition by butyric acid during lipase catalyzed transesterification reaction. Experimental observations had clearly indicated that the substrates as well as product act as dead-end inhibitors.
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Affiliation(s)
- N Annapurna Devi
- Department of Chemical Engineering, MVGR College of Engineering (Affiliated to JNTUK), Vizianagaram, Andhra Pradesh 535005 India
| | - G B Radhika
- Department of Chemical Engineering, B V Raju Institute of Technology (Affiliated to JNTUH), Narsapur, Medak District, Telangana 502313 India
| | - R J Bhargavi
- Department of Chemical Engineering, B V Raju Institute of Technology (Affiliated to JNTUH), Narsapur, Medak District, Telangana 502313 India
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15
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Experimental and Modeling Study of Esterification Reaction for Synthesis of Butyl Butyrate: Desirability Function Approach for Optimization and Prediction Comparative Study of RSM and ANN. INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING 2017. [DOI: 10.1515/ijcre-2016-0176] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Butyl butyrate was synthesized by esterification of butyric acid with n-butanol using homogeneous catalyst methanesulfonic acid (MSA). The esterification process was optimized by the application of response surface methodology (RSM) and artificial neural network (ANN). 3 level-4 variables central composite design (CCD) of RSM and MLP 4-9-1 network of ANN was chosen for the experimental design and analysis. The quadratic response model of RSM was optimized using desirability function approach. Effects of independent variables on the yield of butyl butyrate were investigated. Various training algorithm such as IBP, QP, GA, LM, BFGS, and CG was used for training experimental response data for the ANN study. By sensitivity analysis, the relative significance of 36.98 % confirmed that the molar ratio was the main affecting parameter on the yield of butyl butyrate. In prediction comparative study, ANN model was found better than the RSM model with high values of R2 (0.9998) and lower values of RMSE (0.2435), SEP (0.324 %), and AAD (0.0086 %) compared to RSM (R2=0.9862, RMSE=2.3095, SEP=3.076 %, AAD=0.6459 %). The accuracy of the RSM and ANN models were judged by validation test by performing unseen data experiments.
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Virgen-Ortíz JJ, dos Santos JCS, Berenguer-Murcia Á, Barbosa O, Rodrigues RC, Fernandez-Lafuente R. Polyethylenimine: a very useful ionic polymer in the design of immobilized enzyme biocatalysts. J Mater Chem B 2017; 5:7461-7490. [DOI: 10.1039/c7tb01639e] [Citation(s) in RCA: 172] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review discusses the possible roles of polyethylenimine (PEI) in the design of improved immobilized biocatalysts from diverse perspectives.
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Affiliation(s)
- Jose J. Virgen-Ortíz
- CONACYT-Centro de Investigación en Alimentación y Desarrollo
- A.C. (CIAD)-Consorcio CIDAM
- 58341 Morelia
- Mexico
| | - José C. S. dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável
- Universidade da Integração Internacional da Lusofonia Afro-Brasileira
- Acarape
- Brazil
| | - Ángel Berenguer-Murcia
- Instituto Universitario de Materiales
- Departamento de Química Inorgánica
- Universidad de Alicante
- Campus de San Vicente del Raspeig
- Ap. 99-03080 Alicante
| | - Oveimar Barbosa
- Departamento de Química
- Facultad de Ciencias
- Universidad del Tolima
- Ibagué
- Colombia
| | - Rafael C. Rodrigues
- Biocatalysis and Enzyme Technology Lab
- Institute of Food Science and Technology
- Federal University of Rio Grande do Sul
- Av. Bento Gonçalves
- Porto Alegre
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17
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Huang J, Yan R, He JY, Wang P. Purification and Immobilization of a Novel Enantioselective Lipase from Tsukamurella tyrosinosolvents for Efficient Resolution of Ethyl 2-(2-oxopyrrolidin-1-yl) Butyrate. Appl Biochem Biotechnol 2016; 180:609-622. [PMID: 27179518 DOI: 10.1007/s12010-016-2119-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Accepted: 05/06/2016] [Indexed: 02/01/2023]
Abstract
A highly enantioselective lipase from Tsukamurella tyrosinosolvents E105 was purified via ultrasonic extraction, precipitation, and chromatographic steps. The enzyme was purified about 38-fold with the recovery yield of 9 % and was confirmed as a dimer protein consisting of two identical subunits with a molecular mass of 24 kDa. The purified lipase was used to catalyze resolution of racemic ethyl 2-(2-oxopyrrolidin-1-yl) butyrate to (S)-2-(2-oxopyrrolidin-1-yl) butyric acid. The maximum activity of such lipase was obtained at pH 7.5, 35 °C, and the highest relative activity (156.80 %) was observed in the presence of 0.5 mM Co2+. Subsequently, the lipase was encapsulated within a mixture of 3 % sodium alginate and 0.8 % carrageenan, and then cross-linked with 0.6 % glutaraldehyde to enhance its biocatalytic capability and stability. Comparing with 36.9 % product yield and 97.5 % product ee of free lipase, the highest product yield of 46.3 % and ee of 98.5 % for immobilized lipase were achieved with the presence of 20 mM substrate. In addition, the reusability of immobilized lipase was also investigated, which could maintain 63.7 % of its initial conversion yield after seven repeated batch reactions. Thus, the evaluated enantioselective lipase in this work has a good potential for further industrial application.
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Affiliation(s)
- Jin Huang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Ren Yan
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jun-Yao He
- Zhejiang Pharmaceutical College, Ningbo, 315100, China
| | - Pu Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, China.
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18
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Matte CR, Bordinhão C, Poppe JK, Rodrigues RC, Hertz PF, Ayub MA. Synthesis of butyl butyrate in batch and continuous enzymatic reactors using Thermomyces lanuginosus lipase immobilized in Immobead 150. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2016.02.016] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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19
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Reddy YS, Kaki SS, Rao BB, Jain N, Vijayalakshmi P. Study on Synthesis, Characterization and Antiproliferative Activity of Novel Diisopropylphenyl Esters of Selected Fatty Acids. J Oleo Sci 2016; 65:81-9. [DOI: 10.5650/jos.ess15151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Yasa Sathyam Reddy
- Centre for Lipid Research, CSIR-Indian Institute of Chemical Technology (CSIR-IICT)
| | - Shiva Shanker Kaki
- Centre for Lipid Research, CSIR-Indian Institute of Chemical Technology (CSIR-IICT)
| | - Bala Bhaskara Rao
- Centre for Chemical Biology, CSIR-Indian Institute of Chemical Technology (CSIR-IICT)
| | - Nishant Jain
- Centre for Chemical Biology, CSIR-Indian Institute of Chemical Technology (CSIR-IICT)
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20
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Costa Silva TA, Souza CRF, Said S, Oliveira WP. Drying of enzyme immobilized on eco-friendly supports. ACTA ACUST UNITED AC 2015. [DOI: 10.5897/ajb2015.14830] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Paludo N, Alves JS, Altmann C, Ayub MAZ, Fernandez-Lafuente R, Rodrigues RC. The combined use of ultrasound and molecular sieves improves the synthesis of ethyl butyrate catalyzed by immobilized Thermomyces lanuginosus lipase. ULTRASONICS SONOCHEMISTRY 2015; 22:89-94. [PMID: 24844439 DOI: 10.1016/j.ultsonch.2014.05.004] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 04/07/2014] [Accepted: 05/06/2014] [Indexed: 06/03/2023]
Abstract
In this work, the combined use of ultrasound energy and molecular sieves was investigated for the synthesis of ethyl butyrate, ester with mango and banana notes, catalyzed by the immobilized lipase from Thermomyces lanuginosus (Lipozyme TL-IM). Initially, the best concentrations of biocatalysts (35%) and butyric acid (0.7M) were tested using ultrasound as an alternative to mechanical agitation. The amount of acid in the reaction could be increased by 2-fold when compared to previous works where mechanical agitation was used. In the next step, substrate molar ratio and reaction temperature were optimized and the best conditions were at their lowest levels: 1:1 (acid:alcohol), and 30°C, reaching 61% of conversion in 6h. Molecular sieves (3Å) were added to optimized reaction medium in order to remove the formed water and improve the maximum yield. The reaction yield increased 1.5 times, reaching 90% of conversion in 6h, when 60mg of molecular sieves per mmol of butyric acid was used. Finally, the reuse of Lipozyme TL-IM for the ultrasound-assisted synthesis of ethyl butyrate was verified for 10 batches, without any appreciable loss of activity, whereas in systems using mechanical agitation, the biocatalyst was completely inactivated after 5 batches. These results suggest that the combined use of ultrasound and molecular sieves greatly improve esterification reactions by stabilizing the enzyme and increasing yields.
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Affiliation(s)
- Natalia Paludo
- Biotechnology, Bioprocess and Biocatalysis Group, Institute of Food Science and Technology, Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9500, P.O. Box 15090, ZC 91501-970 Porto Alegre, RS, Brazil
| | - Joana S Alves
- Biotechnology, Bioprocess and Biocatalysis Group, Institute of Food Science and Technology, Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9500, P.O. Box 15090, ZC 91501-970 Porto Alegre, RS, Brazil
| | - Cintia Altmann
- Biotechnology, Bioprocess and Biocatalysis Group, Institute of Food Science and Technology, Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9500, P.O. Box 15090, ZC 91501-970 Porto Alegre, RS, Brazil
| | - Marco A Z Ayub
- Biotechnology, Bioprocess and Biocatalysis Group, Institute of Food Science and Technology, Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9500, P.O. Box 15090, ZC 91501-970 Porto Alegre, RS, Brazil
| | | | - Rafael C Rodrigues
- Biotechnology, Bioprocess and Biocatalysis Group, Institute of Food Science and Technology, Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9500, P.O. Box 15090, ZC 91501-970 Porto Alegre, RS, Brazil. http://www.ufrgs.br/bbb
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Zhu H, Wang W, Liu J, Caiyin Q, Qiao J. Immobilization of Streptomyces thermotolerans 11432 on polyurethane foam to improve production of acetylisovaleryltylosin. J Ind Microbiol Biotechnol 2014; 42:105-11. [PMID: 25413211 DOI: 10.1007/s10295-014-1545-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Accepted: 11/09/2014] [Indexed: 11/24/2022]
Abstract
In this study, polyurethane foam (PUF) was chemically treated to immobilize Streptomyces thermotolerans 11432 for semi-continuous production of acetylisovaleryltylosin (AIV). Based on experimental results, positive cross-linked PUF (PCPUF) was selected as the most effective carrier according to immobilized cell mass. The effect of adsorption time on immobilized mass was investigated. AIV concentration (33.54 mg/l) in batch fermentations with immobilized cells was higher than with free cells (20.34 mg/l). In repeated batch fermentations with immobilized S. thermotolerans 11432 using PCPUF cubes, high AIV concentrations and conversion rates were attained, ranging from 25.56 to 34.37 mg/l and 79.93 to 86.31 %, respectively. Significantly, this method provides a feasible strategy for efficient AIV production and offers the potential for large-scale production.
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Affiliation(s)
- Hongji Zhu
- Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
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An JD, Patterson DA, McNeil S, Hossain MM. Immobilization of lipase on woolen fabrics: enhanced effectiveness in stain removal. Biotechnol Prog 2014; 30:806-17. [PMID: 24692333 DOI: 10.1002/btpr.1912] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Revised: 02/12/2014] [Indexed: 11/10/2022]
Abstract
The aim of this research was to examine the effectiveness of an enzyme in enhancing the cleaning effectiveness of woolen fabric without addition of any detergent. As a model enzyme, lipase from Pseudomonas fluoresces was immobilized onto a woolen cloth using a unique protocol that involved: chlorination of the wool, adsorbing a polyethyleneimine (PEI) spacer, adsorbing, and cross-linking with glutaraldehyde (GA) followed by adsorption of the lipase. It was determined that for this protocol, the immobilized activity was dependent on the GA solution pH and not on its concentration. The cloth exhibited excellent oily stain removal ability: after being stained with olive oil and stored for 1 day in air at room temperature, the oily stain could be easily removed by 0.05 M pH 8.5 Tris buffer without any detergent addition. This enhanced cleaning was stable also over a period of one month. The activity of the cloth (based on activity assay) dropped considerably over just 15 days storage in air. This therefore likely indicates that the enhanced cleaning seen over an extended storage period may not require as high an enzyme activity. The activity of the immobilized lipase was also very stable when stored under near ideal conditions: when the immobilized cloth was stored in 0.05 M Tris buffer (pH 8.5) for more than 80 days in a refrigerator, more than 80% of the lipase activity remained. Overall, results indicate that this immobilization protocol is a promising step towards producing a woolen fabric with enhanced cleaning properties.
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Affiliation(s)
- Jing Dong An
- Dept. of Chemical and Materials Engineering, Faculty of Engineering, The University of Auckland, Private Bag 92019, Auckland, New Zealand
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Biocatalytic synthesis of short-chain flavor esters with high substrate loading by a whole-cell lipase from Aspergillus oryzae. CATAL COMMUN 2014. [DOI: 10.1016/j.catcom.2013.10.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Biosynthesis of ethyl butyrate with immobilized Candida rugosa lipase onto modified Eupergit®C. ACTA ACUST UNITED AC 2014. [DOI: 10.2478/boca-2014-0001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
AbstractLipase from Candida rugosa was immobilized onto the modified Eupergit®C. The support was treated with ethylenediamine and subsequently activated with glutaraldehyde. Enzyme immobilization efficiency was 85%. The optimum pH was close to 6.5 for both the free and immobilized lipase. Immobilized lipase retained its maximum activity in a temperature range of 55 – 60°C. Subsequently, ethyl butyrate synthesis was investigated using immobilized enzyme by esterification of butyric acid with ethanol in solvent-free conditions (23% product yield) and using hexane as a solvent (65% product yield). The acid-alcohol molar ratio and different enzyme amounts were tested as efficient reaction parameters. The biocatalyst maintained 60% of its activity when reused in 8 successive batch reactions in organic solvent. Therefore, the immobilized lipase has demonstrated its potential in practical applications such as short-chain ester synthesis for the food industry.
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Kuperkar VV, Lade VG, Prakash A, Rathod VK. Synthesis of isobutyl propionate using immobilized lipase in a solvent free system: Optimization and kinetic studies. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcatb.2013.10.024] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Cui C, Tao Y, Li L, Chen B, Tan T. Improving the activity and stability of Yarrowia lipolytica lipase Lip2 by immobilization on polyethyleneimine-coated polyurethane foam. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcatb.2013.03.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Enzymatic activity studies of Pseudomonas cepacia lipase adsorbed onto copolymer supports containing β-cyclodextrin. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcatb.2012.10.011] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
Enzyme immobilization has been investigated to improve lipase properties over the past few decades. Different methods and various carriers have been employed to immobilize enzyme. However, the application of enzymatic technology in large scale is rarely seen during the industrial process. The main obstacles are a high cost of the immobilization and the poor performance of immobilized lipase. This review focuses on the current status of enzyme immobilization, which aims to summarize the latest research on the parameters affecting the performance of immobilized enzyme. Particularly, the effect of immobilization methods, immobilization carriers, and enzyme loading has been discussed.
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Improved enantioselective hydrolysis of racemic ethyl-2,2-dimethylcyclopropanecarboxylate catalyzed by modified Novozyme 435. BIOTECHNOL BIOPROC E 2012. [DOI: 10.1007/s12257-012-0135-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Agler MT, Werner JJ, Iten LB, Dekker A, Cotta MA, Dien BS, Angenent LT. Shaping reactor microbiomes to produce the fuel precursor n-butyrate from pretreated cellulosic hydrolysates. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2012; 46:10229-38. [PMID: 22894772 DOI: 10.1021/es302352c] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
To maximize the production of carboxylic acids with open cultures of microbial consortia (reactor microbiomes), we performed experiments to understand which factors affect the community dynamics and performance parameters. We operated six thermophilic (55 °C) bioreactors to test how the factors: (i) biomass pretreatment; (ii) bioreactor operating conditions; and (iii) bioreactor history (after perturbations during the operating period) affected total fermentation product and n-butyrate performance parameters with corn fiber as the cellulosic biomass waste. We observed a maximum total fermentation product yield of 39%, a n-butyrate yield of 23% (both on a COD basis), a maximum total fermentation production rate of 0.74 g COD l(-1) d(-1) and n-butyrate production rate of 0.47 g COD l(-1) d(-1) in bioreactors that were fed with dilute-acid pretreated corn fiber at a pH of 5.5. Pyrosequencing of 16S rRNA genes with constrained ordination and other statistical methods showed that changes in operating conditions to enable dilution of toxic carboxylic acid products, which lead to these maximum performance parameters, also altered the composition of the microbiome, and that the microbiome, in turn, affected the performance. Operating conditions are an important factor (tool for operators) to shape reactor microbiomes, but other factors, such as substrate composition after biomass pretreatment and bioreactor history are also important. Further optimization of operating conditions must relieve the toxicity of carboxylic acids at acidic bioreactor pH levels even more, and this can, for example, be accomplished by extracting the product from the bioreactor solutions.
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Affiliation(s)
- Matthew T Agler
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, New York 14853, United States
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Dwidar M, Park JY, Mitchell RJ, Sang BI. The future of butyric acid in industry. ScientificWorldJournal 2012; 2012:471417. [PMID: 22593687 PMCID: PMC3349206 DOI: 10.1100/2012/471417] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Accepted: 01/11/2012] [Indexed: 11/17/2022] Open
Abstract
In this paper, the different applications of butyric acid and its current and future production status are highlighted, with a particular emphasis on the biofuels industry. As such, this paper discusses different issues regarding butyric acid fermentations and provides suggestions for future improvements and their approaches.
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Affiliation(s)
- Mohammed Dwidar
- School of Nano-Bioscience and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
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