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Liu C, Choi B, Efimova E, Nygård Y, Santala S. Enhanced upgrading of lignocellulosic substrates by coculture of Saccharomyces cerevisiae and Acinetobacter baylyi ADP1. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2024; 17:61. [PMID: 38711153 DOI: 10.1186/s13068-024-02510-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 04/23/2024] [Indexed: 05/08/2024]
Abstract
BACKGROUND Lignocellulosic biomass as feedstock has a huge potential for biochemical production. Still, efficient utilization of hydrolysates derived from lignocellulose is challenged by their complex and heterogeneous composition and the presence of inhibitory compounds, such as furan aldehydes. Using microbial consortia where two specialized microbes complement each other could serve as a potential approach to improve the efficiency of lignocellulosic biomass upgrading. RESULTS This study describes the simultaneous inhibitor detoxification and production of lactic acid and wax esters from a synthetic lignocellulosic hydrolysate by a defined coculture of engineered Saccharomyces cerevisiae and Acinetobacter baylyi ADP1. A. baylyi ADP1 showed efficient bioconversion of furan aldehydes present in the hydrolysate, namely furfural and 5-hydroxymethylfurfural, and did not compete for substrates with S. cerevisiae, highlighting its potential as a coculture partner. Furthermore, the remaining carbon sources and byproducts of S. cerevisiae were directed to wax ester production by A. baylyi ADP1. The lactic acid productivity of S. cerevisiae was improved approximately 1.5-fold (to 0.41 ± 0.08 g/L/h) in the coculture with A. baylyi ADP1, compared to a monoculture of S. cerevisiae. CONCLUSION The coculture of yeast and bacterium was shown to improve the consumption of lignocellulosic substrates and the productivity of lactic acid from a synthetic lignocellulosic hydrolysate. The high detoxification capacity and the ability to produce high-value products by A. baylyi ADP1 demonstrates the strain to be a potential candidate for coculture to increase production efficiency and economics of S. cerevisiae fermentations.
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Affiliation(s)
- Changshuo Liu
- Faculty of Engineering and Natural Sciences, Tampere University, Hervanta Campus, Tampere, Finland
| | - Bohyun Choi
- Department of Life Sciences, Industrial Biotechnology, Chalmers University of Technology, Gothenburg, Sweden
| | - Elena Efimova
- Faculty of Engineering and Natural Sciences, Tampere University, Hervanta Campus, Tampere, Finland
| | - Yvonne Nygård
- Department of Life Sciences, Industrial Biotechnology, Chalmers University of Technology, Gothenburg, Sweden
- VTT Technical Research Centre of Finland, Espoo, Finland
| | - Suvi Santala
- Faculty of Engineering and Natural Sciences, Tampere University, Hervanta Campus, Tampere, Finland.
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O'Donoghue LT, Murphy EG. Nondairy food applications of whey and milk permeates: Direct and indirect uses. Compr Rev Food Sci Food Saf 2023; 22:2652-2677. [PMID: 37070222 DOI: 10.1111/1541-4337.13157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 03/10/2023] [Accepted: 03/30/2023] [Indexed: 04/19/2023]
Abstract
Permeates are generated in the dairy industry as byproducts from the production of high-protein products (e.g., whey or milk protein isolates and concentrates). Traditionally, permeate was disposed of as waste or used in animal feed, but with the recent move toward a "zero waste" economy, these streams are being recognized for their potential use as ingredients, or as raw materials for the production of value-added products. Permeates can be added directly into foods such as baked goods, meats, and soups, for use as sucrose or sodium replacers, or can be used in the production of prebiotic drinks or sports beverages. In-direct applications generally utilize the lactose present in permeate for the production of higher value lactose derivatives, such as lactic acid, or prebiotic carbohydrates such as lactulose. However, the impurities present, short shelf life, and difficulty handling these streams can present challenges for manufacturers and hinder the efficiency of downstream processes, especially compared to pure lactose solutions. In addition, the majority of these applications are still in the research stage and the economic feasibility of each application still needs to be investigated. This review will discuss the wide variety of nondairy, food-based applications of milk and whey permeates, with particular focus on the advantages and disadvantages associated with each application and the suitability of different permeate types (i.e., milk, acid, or sweet whey).
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Affiliation(s)
| | - Eoin G Murphy
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
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Olszewska-Widdrat A, Xiros C, Wallenius A, Schneider R, Rios da Costa Pereira LP, Venus J. Bioprocess optimization for lactic and succinic acid production from a pulp and paper industry side stream. Front Bioeng Biotechnol 2023; 11:1176043. [PMID: 37274162 PMCID: PMC10232882 DOI: 10.3389/fbioe.2023.1176043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/25/2023] [Indexed: 06/06/2023] Open
Abstract
The effective and cheap production of platform chemicals is a crucial step towards the transition to a bio-based economy. In this work, biotechnological methods using sustainable, cheap, and readily available raw materials bring bio-economy and industrial microbiology together: Microbial production of two platform chemicals is demonstrated [lactic (LA) and succinic acid (SA)] from a non-expensive side stream of pulp and paper industry (fibre sludge) proposing a sustainable way to valorize it towards economically important monomers for bioplastics formation. This work showed a promising new route for their microbial production which can pave the way for new market expectations within the circular economy principles. Fibre sludge was enzymatically hydrolysed for 72 h to generate a glucose rich hydrolysate (100 g·L-1 glucose content) to serve as fermentation medium for Bacillus coagulans A 541, A162 strains and Actinobacillus succinogenis B1, as well as Basfia succiniciproducens B2. All microorganisms were investigated in batch fermentations, showing the ability to produce either lactic or succinic acid, respectively. The highest yield and productivities for lactic production were 0.99 g·g-1 and 3.75 g·L-1·h-1 whereas the succinic acid production stabilized at 0.77 g·g-1 and 1.16 g·L-1·h-1.
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Affiliation(s)
- Agata Olszewska-Widdrat
- Microbiome Biotechnology Department, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
| | | | | | - Roland Schneider
- Microbiome Biotechnology Department, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
| | | | - Joachim Venus
- Microbiome Biotechnology Department, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
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4
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Rahim NA, Luthfi AAI, Bukhari NA, Tan JP, Abdul PM, Manaf SFA. Biotechnological enhancement of lactic acid conversion from pretreated palm kernel cake hydrolysate by Actinobacillus succinogenes 130Z. Sci Rep 2023; 13:5787. [PMID: 37031272 PMCID: PMC10082786 DOI: 10.1038/s41598-023-32964-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 04/05/2023] [Indexed: 04/10/2023] Open
Abstract
The aim of this study was to establish an improved pretreatment and fermentation method i.e. immobilized cells for high recovery of fermentable sugars from palm kernel cake (PKC) and its effects on fermentability performance by Actinobacillus succinogenes 130Z in the conversion of the fermentable sugar to lactic acid. The effects of oxalic acid concentrations (1-6% w/v) and residence times (1-5 h) on the sugar recovery were initially investigated and it was found that the highest mannose concentration was 25.1 g/L at the optimum hydrolysis conditions of 4 h and 3% (w/v) oxalic acid. The subsequent enzymatic saccharification of the pretreated PKC afforded the highest enzymatic digestibility with the recovered sugars amounting to 25.18 g/L and 9.14 g/L of mannose and glucose, respectively. Subsequently, the fermentability performance of PKC hydrolysate was evaluated and compared in terms of cultivation phases (i.e. mono and dual-phases), carbonate loadings (i.e. magnesium and sodium carbonates), and types of sugars (i.e. glucose and mannose). The highest titer of 19.4 g/L lactic acid was obtained from the fermentation involving A. succinogenes 130Z in dual-phase cultivation supplemented with 30 g/L of magnesium carbonate. Lactic acid production was further enhanced by using immobilized cells with coconut shell-activated carbon (CSAC) of different sizes (A, B, C, and D) in the repeated batch cultivation of dual-phase fermentation producing 31.64 g/L of lactic acid. This work sheds light on the possibilities to enhance the utilization of PKC for lactic acid production via immobilized A. succinogenes 130Z.
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Affiliation(s)
- Nuraishah Abd Rahim
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia
| | - Abdullah Amru Indera Luthfi
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia.
- Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia.
| | - Nurul Adela Bukhari
- Energy and Environment Unit, Engineering & Processing Research Division, Malaysian Palm Oil Board (MPOB), 6, Persiaran Institusi, Bandar Baru Bangi, 43000, Kajang, Selangor, Malaysia
| | - Jian Ping Tan
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900, Sepang, Selangor Darul Ehsan, Malaysia
| | - Peer Mohamed Abdul
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia
- Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia
| | - Shareena Fairuz Abdul Manaf
- School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
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5
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Tian W, Qin J, Lian C, Yao Q, Wang X. Identification of a major facilitator superfamily protein that is beneficial to L-lactic acid production by Bacillus coagulans at low pH. BMC Microbiol 2022; 22:310. [PMID: 36536285 PMCID: PMC9764580 DOI: 10.1186/s12866-022-02736-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Product inhibition is one of the major problems in lactic acid (LA) fermentation. Our previous study revealed that Bacillus coagulans 2-6 was an efficient producer of high-optical-purity L-LA. Its mutant strain B. coagulans Na-2 has better resistance to sodium lactate stress but the resistance mechanism has not been understood. RESULTS In this study, the whole-genome sequencing of B. coagulans Na-2 was performed and one mutant gene mfs coding for the major facilitator superfamily (MFS) protein was revealed by comparative genome analysis. Ten mutation sites were identified between the wild (MFS-2-6) and mutant (MFS-Na-2) proteins, among which T127A and N154T were predicted locating in the center of the transmembrane transport channel. The MFS-2-6 and MFS-Na-2 were expressed separately in a genetically operable strain, B. coagulans DSM1, using the genes' native promoter. The expression of the two MFS proteins had no effect and a negative effect on L-LA production when the pH was controlled at 6.0 and 7.0 by sodium hydroxide, respectively. However, 4.2 and 4.6-fold of L-LA concentrations were obtained at pH 5.0 by the strains expressing MFS-2-6 and MFS-Na-2 than that by the control strain, respectively. The intracellular pH values of the strains expressing MFS-2-6 and MFS-Na-2 were approximately 0.69 and 0.45 higher than that of the control strain during pH-controlled fermentation at 5.0. Results suggest that the expression of MFS-2-6 and MFS-Na-2 were both conducive to L-LA production at low pH, while the better performance of the latter was probably due to the more appropriate intracellular pH during the whole fermentation process. CONCLUSIONS The MFS protein identified here can improve the ability of B. coagulans to resist acidic environments and produce more L-LA at low pH. The MFS protein has an application potential in environment-friendly L-LA production.
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Affiliation(s)
- Wenzhe Tian
- grid.440653.00000 0000 9588 091XCollege of Pharmacy, Binzhou Medical University, Yantai, 264003 China
| | - Jiayang Qin
- grid.440653.00000 0000 9588 091XCollege of Pharmacy, Binzhou Medical University, Yantai, 264003 China
| | - Congcong Lian
- grid.440653.00000 0000 9588 091XCollege of Pharmacy, Binzhou Medical University, Yantai, 264003 China
| | - Qingshou Yao
- grid.440653.00000 0000 9588 091XCollege of Pharmacy, Binzhou Medical University, Yantai, 264003 China
| | - Xiuwen Wang
- grid.440653.00000 0000 9588 091XCollege of Pharmacy, Binzhou Medical University, Yantai, 264003 China
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6
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Ferrari F, Striani R, Fico D, Alam MM, Greco A, Esposito Corcione C. An Overview on Wood Waste Valorization as Biopolymers and Biocomposites: Definition, Classification, Production, Properties and Applications. Polymers (Basel) 2022; 14:polym14245519. [PMID: 36559886 PMCID: PMC9787771 DOI: 10.3390/polym14245519] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Bio-based polymers, obtained from natural biomass, are nowadays considered good candidates for the replacement of traditional fossil-derived plastics. The need for substituting traditional synthetic plastics is mainly driven by many concerns about their detrimental effects on the environment and human health. The most innovative way to produce bioplastics involves the use of raw materials derived from wastes. Raw materials are of vital importance for human and animal health and due to their economic and environmental benefits. Among these, wood waste is gaining popularity as an innovative raw material for biopolymer manufacturing. On the other hand, the use of wastes as a source to produce biopolymers and biocomposites is still under development and the processing methods are currently being studied in order to reach a high reproducibility and thus increase the yield of production. This study therefore aimed to cover the current developments in the classification, manufacturing, performances and fields of application of bio-based polymers, especially focusing on wood waste sources. The work was carried out using both a descriptive and an analytical methodology: first, a description of the state of art as it exists at present was reported, then the available information was analyzed to make a critical evaluation of the results. A second way to employ wood scraps involves their use as bio-reinforcements for composites; therefore, the increase in the mechanical response obtained by the addition of wood waste in different bio-based matrices was explored in this work. Results showed an increase in Young's modulus up to 9 GPa for wood-reinforced PLA and up to 6 GPa for wood-reinforced PHA.
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7
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Yue L, Chuan S, Yuanyuan W, Han D, Li K, Jinyuan M, Kaijun W. Effect of pH dynamic control on ethanol-lactic type fermentation (ELTF) performance of glucose. ENVIRONMENTAL TECHNOLOGY 2022; 43:4102-4114. [PMID: 34134601 DOI: 10.1080/09593330.2021.1942560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 06/04/2021] [Indexed: 06/12/2023]
Abstract
This study proposed a new ethanol-lactic type fermentation (ELTF) and explored the optimal control strategy. Using batch experiments, the effects of pH, temperature and organic loading (OL) on ELTF were investigated. The sum of ethanol and lactic acid yield was highest at whole-control pH value of 4.0, 35°C temperature and OL of 33 gCOD/L. To improve ELTF, the dynamic pH control in the long-term CSTR was adjusted at 4.0 (1-28 days), 5.0 (29-44 days) and 4.0 (46-62 days) successively. The high concentration of ethanol and lactic acid was 8190.5 mg/L at 16th day of pH 4.0. At pH of 5.0, the average acidogenesis rate and total concentration of fermentation products increased 111.0% and 128.0%, respectively. Organisms of Lactobacillus and Bifidobacterium were the predominant bacteria in reactor. It can achieve the directional regulation of ELTF and provides parameter support for the application of two-phase anaerobic digestion.
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Affiliation(s)
- Liu Yue
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, People's Republic of China
| | - Shi Chuan
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, People's Republic of China
| | - Wu Yuanyuan
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, People's Republic of China
| | - Dan Han
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, People's Republic of China
| | - Kun Li
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, People's Republic of China
| | - Ma Jinyuan
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, People's Republic of China
| | - Wang Kaijun
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, People's Republic of China
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8
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Assessment of Different Lactic Acid Bacteria Isolated from Agro-Industrial Residues: First Report of the Potential Role of Weissella soli for Lactic Acid Production from Milk Whey. Appl Microbiol 2022. [DOI: 10.3390/applmicrobiol2030048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The production of lactic acid (LA) through the microbial conversion of agro-industrial residuals is an important process in the biotechnology industry. The growth kinetics of 30 strains of lactic acid bacteria (LAB) isolated from agro-industrial residues were determined and nine strains were selected for microbioreactor fermentation. Lactiplantibacillus pentosus_70-1 (1.662) and L. pentosus_19-2 (1.563) showed the highest OD600 values, whereas the highest growth rates were observed for L. pentosus_19-2 (0.267 h−1) and Weissella soli_31 (0.256 h−1). The production of LA and acetic acid (AA), glucose consumption, and metabolic profiles were determined, without finding significant differences in the production of LA; however, W. soli_29 produced the highest amount of LA (20.833 gL−1) and was able to metabolize most of the studied carbohydrates. Based on these results, W. soli_29 was chosen for a 20 h fermentation in a 7 L bioreactor using both standard medium and milk whey supplemented medium. W. soli_29 produced 16.27 gL−1 and 7.21 gL−1 of LA in each of these mediums, respectively. These results show the underlying potential of Weissella strains for biotechnological applications. Additional analysis which should contemplate different agro-industrial residues and other conditions in bioreactors must be carried out.
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9
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Target and Enhance Ethanol and Butyrate Production from Anaerobic Fermentation via the pH and Organic Loading Rate Combined Strategy. Appl Biochem Biotechnol 2022; 194:6367-6385. [PMID: 35921030 DOI: 10.1007/s12010-021-03729-z] [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: 07/24/2021] [Accepted: 10/21/2021] [Indexed: 11/02/2022]
Abstract
The large capacity production and low utilization rate increase the difficulty of fruit and vegetable wastes (FVW) treatment. Efficient and targeted recovery strategies can solve these problems. This study investigated and proposed combined strategies via pH and organic loading rate (OLR) to target and enhance ethanol- and butyrate-dominant acidogenic production in the FVW mixed culture fermentation. Under pH 4.0, OLR 18 gCOD/(L∙d), and mesophilic (35 °C), ethanol-dominant fermentation was formed. The long-term operation (168 days) showed that the highest ethanol yield was 0.33 g/gCOD which was greater than that in other studies. Also, the hydrolysis rate of ethanol-type fermentation reached 74.5%. Besides, butyrate-type fermentation was stable at yield 0.39 g/gCOD following conditions: pH 6.0, OLR 28 gCOD/(L∙d), and 35 °C, of which hydrolysis and acidogenic rate were 78.0% and 62.0%, respectively. The high relative abundance of Lactobacillus, Olsenella, and Bifidobacterium played positive role in achieving ethanol, butyrate, and lactate production among various metabolic pathways. The results revealed the pH value together with OLR was the valid parameter to affect product formation and composition during FVW fermentation.
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10
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Potential of New Bacterial Strains for a Multiproduct Bioprocess Application: A Case Study Using Isolates of Lactic Acid Bacteria from Pineapple Silage of Costa Rican Agro-Industrial Residues. FERMENTATION 2022. [DOI: 10.3390/fermentation8080361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Lactic acid bacteria (LAB) with potential for the development of multi-product processes are necessary for the valorization of side streams obtained during the biotechnological production of lactic acid (LA). In this study, 14 LAB strains isolated from pineapple agro-industrial residues in Costa Rica were cultivated in microplates, and the six strains with the highest growth were selected for fermentation in microbioreactors to evaluate the production of LA and acetic acid, and the consumption of glucose. Lacticaseibacillus paracasei 6710 and L. paracasei 6714 presented the highest OD600 values (1.600 and 1.602, respectively); however, the highest LA (in g/L) production was observed in L. paracasei 6714 (14.50 ± 0.20) and 6712 (14.67 ± 0.42). L. paracasei 6714 was selected for bioreactor fermentation and reached a maximum OD600 of 6.3062 ± 0.141, with a LA yield of 84.9% and a productivity of 1.06 g L−1 h−1 after 21 h of fermentation. Finally, lipoteichoic acid (LTA) detection from biomass was performed and the antimicrobial activity of the compounds present in the supernatant was studied. LTA was detected from L. paracasei 6714 biomass, and its supernatant caused significant inhibition of foodborne surrogate microorganisms. LAB isolated from pineapple silage have biotechnological potential for multiproduct processes.
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11
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Shen Z, Chen W, Zhang W, Gu M, Dong W, Xia M, Si H, Zhang Y. Efficient Catalytic Conversion of Glucose into Lactic Acid over Y-β and Yb-β Zeolites. ACS OMEGA 2022; 7:25200-25209. [PMID: 35910139 PMCID: PMC9330418 DOI: 10.1021/acsomega.2c02051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this work, a new type of modified β zeolites with rare earth elements (ree) was discovered for producing lactic acid from glucose and achieved a good catalytic effect. At first, the catalytic performances of ree-β zeolites, ree oxides, and single-transition-metal-β zeolites were compared, and the result showed that Y-β and Yb-β zeolites had the best catalytic activity under the same reaction conditions. Under the best reaction conditions, the maximum yields of lactic acid with Y-β and Yb-β catalysts were 45.3 and 43.6%, respectively. The acid characterization showed that Y/Yb-β zeolites had a similar number of Lewis acid sites as Sn-β zeolites, and they were also more than other transition-metal-β zeolites. Thus, Y-β and Yb-β zeolites had a higher lactic acid yield than those catalysts. It is interesting to note that Y-β and Yb-β zeolites owned more Brønsted acids but produced fewer byproducts. Combining the decomposition experiment of 5-hydroxymethyl furfural, fewer byproducts were produced with Y-β and Yb-β zeolites because the low amount of Brønsted acid contained could hinder the decomposition of 5-hydroxymethyl furfural, thereby slowing down the side reaction.
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Affiliation(s)
- Zheng Shen
- State
Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory
of Yangtze River Water Environment of MOE, National Engineering Research
Center of Protected Agriculture, Shanghai Engineering Research Center
of Protected Agriculture, Tongji University, Shanghai 200092, China
| | - Wenbo Chen
- State
Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory
of Yangtze River Water Environment of MOE, National Engineering Research
Center of Protected Agriculture, Shanghai Engineering Research Center
of Protected Agriculture, Tongji University, Shanghai 200092, China
| | - Wei Zhang
- State
Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory
of Yangtze River Water Environment of MOE, National Engineering Research
Center of Protected Agriculture, Shanghai Engineering Research Center
of Protected Agriculture, Tongji University, Shanghai 200092, China
| | - Minyan Gu
- State
Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory
of Yangtze River Water Environment of MOE, National Engineering Research
Center of Protected Agriculture, Shanghai Engineering Research Center
of Protected Agriculture, Tongji University, Shanghai 200092, China
| | - Wenjie Dong
- State
Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory
of Yangtze River Water Environment of MOE, National Engineering Research
Center of Protected Agriculture, Shanghai Engineering Research Center
of Protected Agriculture, Tongji University, Shanghai 200092, China
| | - Meng Xia
- State
Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory
of Yangtze River Water Environment of MOE, National Engineering Research
Center of Protected Agriculture, Shanghai Engineering Research Center
of Protected Agriculture, Tongji University, Shanghai 200092, China
| | - Huiping Si
- State
Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory
of Yangtze River Water Environment of MOE, National Engineering Research
Center of Protected Agriculture, Shanghai Engineering Research Center
of Protected Agriculture, Tongji University, Shanghai 200092, China
| | - Yalei Zhang
- State
Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory
of Yangtze River Water Environment of MOE, National Engineering Research
Center of Protected Agriculture, Shanghai Engineering Research Center
of Protected Agriculture, Tongji University, Shanghai 200092, China
- Shanghai
Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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Hu Y, Zhang G, Liu L, Chi Z, Wang S, Lin J, Xiong H, Wan S. Synergetic Effect of Mo, Mg-Modified Sn-β Over Moderate-Temperature Conversion of Hexose to Alkyl Lactate. Front Chem 2022; 10:944552. [PMID: 35910739 PMCID: PMC9329925 DOI: 10.3389/fchem.2022.944552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 06/20/2022] [Indexed: 11/30/2022] Open
Abstract
The thermocatalytic conversion of hexose into valuable chemicals such as methyl lactate under mild conditions is very appealing. Here, we report that Mo, Mg co-modified Sn-β catalyst can effectively catalyze the transformation of glucose and fructose into alkyl lactate at moderate temperatures. A maximum yield of around 35% of methyl lactate was achieved from the conversion of glucose in methanol at 100°C over Sn-β catalyst modified with 3 wt% Mo and 0.5 wt% Mg. However, up to 82.8% yield of ethyl lactate was obtained in the case of fructose in ethanol upon the same catalytic condition, suggesting a significant solvent effect. The Mo species plays a key role to enable the retro-aldol condensation of fructose, in which the competing side reactions are significantly suppressed with the assistance of neighboring Mg species probably through a synergetic effect of Lewis acid-base.
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13
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Photocatalytic Conversion of Fructose to Lactic Acid by BiOBr/Zn@SnO2 Material. Catalysts 2022. [DOI: 10.3390/catal12070719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Photocatalysis provides a prospective approach for achieving high-value products under mild conditions. To realize this, constructing a selective, low-cost and environmentally friendly photocatalyst is the most critical factor. In this study, BiOBr/Zn@SnO2 is fabricated by a one-pot hydrothermal synthesis method and BiOBr: SnO2 ratio is 3:1; this material is applied as photocatalyst in fructose selective conversion to lactic acid. The bandgap structure can be regulated via two-step modification, which includes Zn doping SnO2 and Zn@SnO2 coupling BiOBr. The photocatalyst shows excellent conversion efficiency in fructose and high selectivity in lactic acid generation under alkaline conditions. The conversion rate is almost 100%, and the lactic acid yield is 79.6% under optimal reaction conditions. The catalyst is highly sustainable in reusability; the lactic acid yield can reach 67.4% after five runs. The possible reaction mechanism is also proposed to disclose the photocatalysis processes.
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Xiao D, Hu C, Xu X, Lü C, Wang Q, Zhang W, Gao C, Xu P, Wang X, Ma C. A d,l-lactate biosensor based on allosteric transcription factor LldR and amplified luminescent proximity homogeneous assay. Biosens Bioelectron 2022; 211:114378. [PMID: 35617798 DOI: 10.1016/j.bios.2022.114378] [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: 12/31/2021] [Revised: 05/11/2022] [Accepted: 05/13/2022] [Indexed: 11/02/2022]
Abstract
Lactate, a hydroxycarboxylic acid commercially produced by microbial fermentation, is widely applied in diverse industrial fields. Lactate exists in two stereoisomeric forms (d-lactate and l-lactate). d-Lactate and l-lactate are often simultaneously present in many biological samples. Therefore, a biosensor able to detect both d- and l-lactate is required but previously unavailable. Herein, an allosteric transcription factor LldR from Pseudomonas aeruginosa PAO1, which responds to both d-lactate and l-lactate, was combined with amplified luminescent proximity homogeneous assay technology to develop a d,l-lactate biosensor. The proposed biosensor was optimized by mutation of DNA sequence in binding site of LldR. The optimized biosensor BLac-6 can accurately detect the concentration of lactate independent on ratio of the two isomers in pending test samples. The biosensor was also tentatively used in quantitative analysis of d-lactate, l-lactate, or d,l-lactate in fermentation samples produced by three recombinant strains of Klebsiella oxytoca. With its desirable properties, the biosensor BLac-6 may be a potential choice for monitoring the concentration of lactate during industrial fermentation.
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Affiliation(s)
- Dan Xiao
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China
| | - Chunxia Hu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China
| | - Xianzhi Xu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China
| | - Chuanjuan Lü
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China
| | - Qian Wang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China
| | - Wen Zhang
- Institute of Medical Sciences, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, PR China
| | - Chao Gao
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China
| | - Ping Xu
- State Key Laboratory of Microbial Metabolism, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, PR China
| | - Xia Wang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China
| | - Cuiqing Ma
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China.
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15
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Indigenous Lactococcus lactis with Probiotic Properties: Evaluation of Wet, Thermally- and Freeze-Dried Raisins as Supports for Cell Immobilization, Viability and Aromatic Profile in Fresh Curd Cheese. Foods 2022; 11:foods11091311. [PMID: 35564034 PMCID: PMC9101569 DOI: 10.3390/foods11091311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 11/17/2022] Open
Abstract
Indigenous Lactococcus lactis enriched raisins were incorporated in fresh curd cheese in wet, thermally dried, and freeze-dried form to produce a novel probiotic dairy product. Symbiotic cheese represents a rising trend in the global market. The viability of L. lactis cells was assessed in the cheeses during storage at 4 °C for 14 days and the effect of the added enriched raisins on physicochemical parameters, microbiological characteristics, and sugar content, aromatic profile, and sensory acceptance of cheeses were evaluated. Immobilized L. lactis cells maintained viability at necessary levels (>6 log cfu/g) during storage and significantly increased the acceptability of cheese. The addition of raisins enhanced the volatile profile of cheeses with 2-furanmethanol, 1-octanol, 3-methylbutanal, 2-methylbutanal, 2-furancarboxaldehyde, 1-(2-furanyl)-ethanone, 5-methyl-2-furancarboxaldehyde. The obtained results are encouraging for the production of novel fresh cheeses with improved sensorial and nutritional characteristics on industrial and/or small industrial scale.
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16
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Ma J, Yang X, Yao S, Guo Y, Sun R. Photocatalytic Biorefinery to Lactic Acid: A Carbon Nitride Framework with O Atoms Replacing the Graphitic N Linkers Shows Fast Migration/Separation of Charge. ChemCatChem 2022. [DOI: 10.1002/cctc.202200097] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Jiliang Ma
- Liaoning Key Laboratory of Lignocellulose Chemistry and Biomaterials College of Light Industry and Chemical Engineering Dalian Polytechnic University Dalian 116034 P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control College of Light Industrial and Food Engineering Guangxi University Nanning 530004 P. R. China
- National Forestry and Grassland Administration Key Laboratory of Plant Fiber Functional Materials Fuzhou Fujian 350108 P. R. China
- State Key Laboratory of Biobased Material and Green Papermaking Qilu University of Technology Shandong Academy of Sciences Jinan 250353 P. R. China
| | - Xiaopan Yang
- Liaoning Key Laboratory of Lignocellulose Chemistry and Biomaterials College of Light Industry and Chemical Engineering Dalian Polytechnic University Dalian 116034 P. R. China
| | - Shuangquan Yao
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control College of Light Industrial and Food Engineering Guangxi University Nanning 530004 P. R. China
| | - Yanzhu Guo
- Liaoning Key Laboratory of Lignocellulose Chemistry and Biomaterials College of Light Industry and Chemical Engineering Dalian Polytechnic University Dalian 116034 P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control College of Light Industrial and Food Engineering Guangxi University Nanning 530004 P. R. China
| | - Runcang Sun
- Liaoning Key Laboratory of Lignocellulose Chemistry and Biomaterials College of Light Industry and Chemical Engineering Dalian Polytechnic University Dalian 116034 P. R. China
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Collograi KC, da Costa AC, Ienczak JL. Fermentation strategies to improve propionic acid production with propionibacterium ssp.: a review. Crit Rev Biotechnol 2022; 42:1157-1179. [PMID: 35264026 DOI: 10.1080/07388551.2021.1995695] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Propionic acid (PA) is a carboxylic acid applied in a variety of processes, such as food and feed preservative, and as a chemical intermediate in the production of polymers, pesticides and drugs. PA production is predominantly performed by petrochemical routes, but environmental issues are making it necessary to use sustainable processes based on renewable materials. PA production by fermentation with the Propionibacterium genus is a promising option in this scenario, due to the ability of this genus to consume a variety of renewable carbon sources with higher productivity than other native microorganisms. However, Propionibacterium fermentation processes present important challenges that must be faced to make this route competitive, such as: a high fermentation time, product inhibition and low PA final titer, which increase the cost of product recovery. This article summarizes the state of the art regarding strategies to improve PA production by fermentation with the Propionibacterium genus. Firstly, strategies associated with environmental fermentation conditions and nutrition requirements are discussed. Subsequently, advantages and disadvantages of various strategies proposed to improve process performance (high cell concentration by immobilization or recycle, co-culture fermentation, genome shuffling, evolutive and metabolic engineering, and in situ recovery) are evaluated.
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Affiliation(s)
| | | | - Jaciane Lutz Ienczak
- Chemical Engineering and Food Engineering Department- Santa Catarina, Federal University, Florianópolis, Brazil
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18
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Zhang Z, Tsapekos P, Alvarado-Morales M, Zhu X, Zervas A, Jacobsen CS, Angelidaki I. Enhanced fermentative lactic acid production from source-sorted organic household waste: Focusing on low-pH microbial adaptation and bio-augmentation strategy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 808:152129. [PMID: 34863737 DOI: 10.1016/j.scitotenv.2021.152129] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 11/20/2021] [Accepted: 11/28/2021] [Indexed: 06/13/2023]
Abstract
Lactic acid (LA) production at low pH could significantly reduce the need for neutralizing agents, leading to reduction of operational costs. In the present study, LA production at acidic conditions was investigated using source-sorted organic household waste (SSOHW). Controlling the pH at low value (i.e. 5.0) and bio-augmenting with Pediococcus acidilactici led to a concentration of 39.3 ± 0.5 g-LA/L with a yield of 0.75 ± 0.02 g-LA/g-sugar. In contrast, secondary fermentation at higher pH level (i.e. 5.5 and 6.0) resulted in complete LA degradation. Subsequently, consecutive batch fermentations were conducted to adapt P. acidilactici to SSOHW and improve the LA production. Results showed that P. acidilactici could successively adapt in the SSOHW reaching a relative abundance above 2.8% at adaptation process. The added P. acidilactici ensured a high concentration of LA at three consecutive generations, achieving an increment above 18% compared to control test (abiotic augmentation). Moreover, adaptation processes (i.e. maintaining pH at 4.0 or stepwise decreasing the pH from 5.0 to 4.0) significantly improved LA concentration and productivity at the pH of 4.0. Overall, the results provide a promising method to reduce the LA production costs using residual resources.
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Affiliation(s)
- Zengshuai Zhang
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby DK-2800, Denmark
| | - Panagiotis Tsapekos
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby DK-2800, Denmark.
| | - Merlin Alvarado-Morales
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby DK-2800, Denmark
| | - Xinyu Zhu
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby DK-2800, Denmark
| | - Athanasios Zervas
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, DK-4000 Roskilde, Denmark
| | - Carsten S Jacobsen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, DK-4000 Roskilde, Denmark
| | - Irini Angelidaki
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby DK-2800, Denmark
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Abstract
The industrial relevance of organic acids is high; because of their chemical properties, they can be used as building blocks as well as single-molecule agents with a huge annual market. Organic acid chemical platforms can derive from fossil sources by petrochemical refining processes, but most of them also represent natural metabolites produced by many cells. They are the products, by-products or co-products of many primary metabolic processes of microbial cells. Thanks to the potential of microbial cell factories and to the development of industrial biotechnology, from the last decades of the previous century, the microbial-based production of these molecules has started to approach the market. This was possible because of a joint effort of microbial biotechnologists and biochemical and process engineers that boosted natural production up to the titer, yield and productivity needed to be industrially competitive. More recently, the possibility to utilize renewable residual biomasses as feedstock not only for biofuels, but also for organic acids production is further augmenting the sustainability of their production, in a logic of circular bioeconomy. In this review, we briefly present the latest updates regarding the production of some industrially relevant organic acids (citric fumaric, itaconic, lactic and succinic acid), discussing the challenges and possible future developments of successful production.
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20
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Autotrophic lactate production from H2 + CO2 using recombinant and fluorescent FAST-tagged Acetobacterium woodii strains. Appl Microbiol Biotechnol 2022; 106:1447-1458. [PMID: 35092454 PMCID: PMC8882112 DOI: 10.1007/s00253-022-11770-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/23/2021] [Accepted: 01/07/2022] [Indexed: 12/12/2022]
Abstract
AbstractLactate has various uses as industrial platform chemical, poly-lactic acid precursor or feedstock for anaerobic co-cultivations. The aim of this study was to construct and characterise Acetobacterium woodii strains capable of autotrophic lactate production. Therefore, the lctBCD genes, encoding the native Lct dehydrogenase complex, responsible for lactate consumption, were knocked out. Subsequently, a gene encoding a d-lactate dehydrogenase (LDHD) originating from Leuconostoc mesenteroides was expressed in A. woodii, either under the control of the anhydrotetracycline-inducible promoter Ptet or under the lactose-inducible promoter PbgaL. Moreover, LDHD was N-terminally fused to the oxygen-independent fluorescence-activating and absorption-shifting tag (FAST) and expressed in respective A. woodii strains. Cells that produced the LDHD fusion protein were capable of lactate production of up to 18.8 mM in autotrophic batch experiments using H2 + CO2 as energy and carbon source. Furthermore, cells showed a clear and bright fluorescence during exponential growth, as well as in the stationary phase after induction, mediated by the N-terminal FAST. Flow cytometry at the single-cell level revealed phenotypic heterogeneities for cells expressing the FAST-tagged LDHD fusion protein. This study shows that FAST provides a new reporter tool to quickly analyze gene expression over the course of growth experiments of A. woodii. Consequently, fluorescence-based reporters allow for faster and more targeted optimization of production strains.Key points
•Autotrophic lactate production was achieved with A. woodii.
•FAST functions as fluorescent marker protein in A. woodii.
•Fluorescence measurements on single-cell level revealed population heterogeneity.
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21
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Valorization of Spent Coffee Grounds as Precursors for Biopolymers and Composite Production. Polymers (Basel) 2022; 14:polym14030437. [PMID: 35160428 PMCID: PMC8840223 DOI: 10.3390/polym14030437] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/14/2022] [Accepted: 01/19/2022] [Indexed: 01/27/2023] Open
Abstract
Spent coffee grounds (SCG) are a current subject in many works since coffee is the second most consumed beverage worldwide; however, coffee generates a high amount of waste (SCG) and can cause environmental problems if not discarded properly. Therefore, several studies on SCG valorization have been published, highlighting its waste as a valuable resource for different applications, such as biofuel, energy, biopolymer precursors, and composite production. This review provides an overview of the works using SCG as biopolymer precursors and for polymer composite production. SCG are rich in carbohydrates, lipids, proteins, and minerals. In particular, carbohydrates (polysaccharides) can be extracted and fermented to synthesize lactic acid, succinic acid, or polyhydroxyalkanoate (PHA). On the other hand, it is possible to extract the coffee oil and to synthesize PHA from lipids. Moreover, SCG have been successfully used as a filler for composite production using different polymer matrices. The results show the reasonable mechanical, thermal, and rheological properties of SCG to support their applications, from food packaging to the automotive industry.
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22
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TAO J, HUANG X, LING F, YU B, ZHOU X, SHEN Q, SAGRATINI G. Immobilization of Lactic acid bacteria for production of extracellular polysaccharides. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.99021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Jing TAO
- Zhengzhou University of Light Industry, China; University of Camerino, Italy
| | | | - Feiyue LING
- Zhengzhou University of Light Industry, China
| | - Bilian YU
- Zhengzhou University of Light Industry, China
| | - Xiao ZHOU
- Zhengzhou University of Light Industry, China
| | - Qing SHEN
- Zhengzhou University of Light Industry, China
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23
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Ibrahim M, Raman K. Two-species community design of lactic acid bacteria for optimal production of lactate. Comput Struct Biotechnol J 2021; 19:6039-6049. [PMID: 34849207 PMCID: PMC8605394 DOI: 10.1016/j.csbj.2021.11.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 11/01/2021] [Accepted: 11/07/2021] [Indexed: 01/03/2023] Open
Abstract
Microbial communities that metabolise pentose and hexose sugars are useful in producing high-value chemicals, resulting in the effective conversion of raw materials to the product, a reduction in the production cost, and increased yield. Here, we present a computational analysis approach called CAMP (Co-culture/Community Analyses for Metabolite Production) that simulates and identifies appropriate communities to produce a metabolite of interest. To demonstrate this approach, we focus on the optimal production of lactate from various Lactic Acid Bacteria. We used genome-scale metabolic models (GSMMs) belonging to Lactobacillus, Leuconostoc, and Pediococcus species from the Virtual Metabolic Human (VMH; https://vmh.life/) resource and well-curated GSMMs of L. plantarum WCSF1 and L. reuteri JCM 1112. We analysed 1176 two-species communities using a constraint-based modelling method for steady-state flux-balance analysis of communities. Flux variability analysis was used to detect the maximum lactate flux in the communities. Using glucose or xylose as substrates separately or in combination resulted in either parasitism, amensalism, or mutualism being the dominant interaction behaviour in the communities. Interaction behaviour between members of the community was deduced based on variations in the predicted growth rates of monocultures and co-cultures. Acetaldehyde, ethanol, acetate, among other metabolites, were found to be cross-fed between community members. L. plantarum WCSF1 was found to be a member of communities with high lactate yields. In silico community optimisation strategies to predict reaction knock-outs for improving lactate flux were implemented. Reaction knock-outs of acetate kinase, phosphate acetyltransferase, and fumarate reductase in the communities were found to enhance lactate production.
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Affiliation(s)
- Maziya Ibrahim
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, IIT Madras, India
- Centre for Integrative Biology and Systems mEdicine (IBSE), IIT Madras, India
- Robert Bosch Centre for Data Science and Artificial Intelligence (RBC-DSAI), IIT Madras, India
| | - Karthik Raman
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, IIT Madras, India
- Centre for Integrative Biology and Systems mEdicine (IBSE), IIT Madras, India
- Robert Bosch Centre for Data Science and Artificial Intelligence (RBC-DSAI), IIT Madras, India
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Jang BK, Ju Y, Jeong D, Jung SK, Kim CK, Chung YS, Kim SR. l-Lactic Acid Production Using Engineered Saccharomyces cerevisiae with Improved Organic Acid Tolerance. J Fungi (Basel) 2021; 7:jof7110928. [PMID: 34829217 PMCID: PMC8624227 DOI: 10.3390/jof7110928] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/29/2021] [Accepted: 10/30/2021] [Indexed: 11/16/2022] Open
Abstract
Lactic acid is mainly used to produce bio-based, bio-degradable polylactic acid. For industrial production of lactic acid, engineered Saccharomyces cerevisiae can be used. To avoid cellular toxicity caused by lactic acid accumulation, pH-neutralizing agents are used, leading to increased production costs. In this study, lactic acid-producing S. cerevisiae BK01 was developed with improved lactic acid tolerance through adaptive laboratory evolution (ALE) on 8% lactic acid. The genetic basis of BK01 could not be determined, suggesting complex mechanisms associated with lactic acid tolerance. However, BK01 had distinctive metabolomic traits clearly separated from the parental strain, and lactic acid production was improved by 17% (from 102 g/L to 119 g/L). To the best of our knowledge, this is the highest lactic acid titer produced by engineered S. cerevisiae without the use of pH neutralizers. Moreover, cellulosic lactic acid production by BK01 was demonstrated using acetate-rich buckwheat husk hydrolysates. Particularly, BK01 revealed improved tolerance against acetic acid of the hydrolysates, a major fermentation inhibitor of lignocellulosic biomass. In short, ALE with a high concentration of lactic acid improved lactic acid production as well as acetic acid tolerance of BK01, suggesting a potential for economically viable cellulosic lactic acid production.
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Affiliation(s)
- Byeong-Kwan Jang
- Major in Food Application Technology, School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (B.-K.J.); (Y.J.); (D.J.); (S.-K.J.)
| | - Yebin Ju
- Major in Food Application Technology, School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (B.-K.J.); (Y.J.); (D.J.); (S.-K.J.)
| | - Deokyeol Jeong
- Major in Food Application Technology, School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (B.-K.J.); (Y.J.); (D.J.); (S.-K.J.)
| | - Sung-Keun Jung
- Major in Food Application Technology, School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (B.-K.J.); (Y.J.); (D.J.); (S.-K.J.)
| | - Chang-Kil Kim
- Department of Horticulture, Kyungpook National University, Daegu 41566, Korea;
| | - Yong-Suk Chung
- Department of Plant Resources and Environment, Jeju National University, Jeju 63243, Korea
- Correspondence: (Y.-S.C.); (S.-R.K.)
| | - Soo-Rin Kim
- Major in Food Application Technology, School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (B.-K.J.); (Y.J.); (D.J.); (S.-K.J.)
- Correspondence: (Y.-S.C.); (S.-R.K.)
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25
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Disposable Food Packaging and Serving Materials-Trends and Biodegradability. Polymers (Basel) 2021; 13:polym13203606. [PMID: 34685364 PMCID: PMC8537343 DOI: 10.3390/polym13203606] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/11/2021] [Accepted: 10/14/2021] [Indexed: 12/24/2022] Open
Abstract
Food is an integral part of everyone’s life. Disposable food serving utensils and tableware are a very convenient solution, especially when the possibility of the use of traditional dishes and cutlery is limited (e.g., takeaway meals). As a result, a whole range of products is available on the market: plates, trays, spoons, forks, knives, cups, straws, and more. Both the form of the product (adapted to the distribution and sales system) as well as its ecological aspect (biodegradability and life cycle) should be of interest to producers and consumers, especially considering the clearly growing trend of “eco-awareness”. This is particularly important in the case of single-use products. The aim of the study was to present the current trends regarding disposable utensils intended for contact with food in the context of their biodegradability. This paper has summarized not only conventional polymers but also their modern alternatives gaining the attention of manufacturers and consumers of single-use products (SUPs).
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26
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Recent Advances in Lactic Acid Production by Lactic Acid Bacteria. Appl Biochem Biotechnol 2021; 193:4151-4171. [PMID: 34519919 DOI: 10.1007/s12010-021-03672-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 09/03/2021] [Indexed: 02/07/2023]
Abstract
Lactic acid can synthesize high value-added chemicals such as poly lactic acid. In order to further minimize the cost of lactic acid production, some effective strategies (e.g., effective mutagenesis and metabolic engineering) have been applied to increase productive capacity of lactic acid bacteria. In addition, low-cost cheap raw materials (e.g., cheap carbon source and cheap nitrogen source) are also used to reduce the cost of lactic acid production. In this review, we summarized the recent developments in lactic acid production, including efficient strain modification technology (high-efficiency mutagenesis means, adaptive laboratory evolution, and metabolic engineering), the use of low-cost cheap raw materials, and also discussed the future prospects of this field, which could promote the development of lactic acid industry.
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27
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Sato R, Ikeda M, Tanaka T, Ohara H, Aso Y. Production of R- and S-1,2-propanediol in engineered Lactococcus lactis. AMB Express 2021; 11:117. [PMID: 34398341 PMCID: PMC8368392 DOI: 10.1186/s13568-021-01276-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 12/11/2022] Open
Abstract
1,2-propanediol (1,2-PDO) is a versatile chemical used in multiple manufacturing processes. To date, some engineered and non-engineered microbes, such as Escherichia coli, Lactobacillus buchneri, and Clostridium thermosaccharolyticum, have been used to produce 1,2-PDO. In this study, we demonstrated the production of R- and S-1,2-PDO using engineered Lactococcus lactis. The L- and D-lactic acid-producing L. lactis strains NZ9000 and AH1 were transformed with the plasmid pNZ8048-ppy harboring pct, pduP, and yahK genes for 1,2-PDO biosynthesis, resulting in L. lactis LL1 and LL2, respectively. These engineered L. lactis produced S- and R-1,2-PDO at concentrations of 0.69 and 0.50 g/L with 94.4 and 78.0% ee optical purities, respectively, from 1% glucose after 72 h of cultivation. Both 1% mannitol and 1% gluconate were added instead of glucose to the culture of L. lactis LL1 to supply NADH and NADPH to the 1,2-PDO production pathway, resulting in 75% enhancement of S-1,2-PDO production. Production of S-1,2-PDO from 5% mannitol and 5% gluconate was demonstrated using L. lactis LL1 with a pH-stat approach. This resulted in S-1,2-PDO production at a concentration of 1.88 g/L after 96 h of cultivation. To our knowledge, this is the first report on the production of R- and S-1,2-PDO using engineered lactic acid bacteria.
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Affiliation(s)
- Rintaro Sato
- Department of Biobased Materials Science, Kyoto Institute of Technology, Kyoto, Japan
- JST-Mirai Program, Japan Science and Technology Agency, Saitama, Japan
| | - Motoyuki Ikeda
- Department of Biobased Materials Science, Kyoto Institute of Technology, Kyoto, Japan
| | - Tomonari Tanaka
- Department of Biobased Materials Science, Kyoto Institute of Technology, Kyoto, Japan
| | - Hitomi Ohara
- Department of Biobased Materials Science, Kyoto Institute of Technology, Kyoto, Japan
| | - Yuji Aso
- Department of Biobased Materials Science, Kyoto Institute of Technology, Kyoto, Japan.
- JST-Mirai Program, Japan Science and Technology Agency, Saitama, Japan.
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Hoheneder R, Fitz E, Bischof RH, Russmayer H, Ferrero P, Peacock S, Sauer M. Efficient conversion of hemicellulose sugars from spent sulfite liquor into optically pure L-lactic acid by Enterococcus mundtii. BIORESOURCE TECHNOLOGY 2021; 333:125215. [PMID: 33964599 DOI: 10.1016/j.biortech.2021.125215] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/19/2021] [Accepted: 04/20/2021] [Indexed: 06/12/2023]
Abstract
Spent sulfite liquor (SSL), a waste stream from wood pulp production, has great potential as carbon source for future industrial fermentations. In the present study, SSL was separated into a hemicellulose derived sugar syrup (HDSS) and a lignosulfonic fraction by simulated moving bed chromatography. The recovery of SSL sugars in the HDSS was 89% and the fermentation inhibitors furfural, 5-hydroxymethylfurfural and acetic acid were removed by 98.7%, 60.5% and 75.5%, respectively. The obtained sugars have been converted to L-lactic acid, a building block for bioplastics, by fermentation with the lactic acid bacterium Enterococcus mundtii DSM4838. Batch fermentations on HDSS produced up to 56.3 g/L L-lactic acid. Simultaneous conversion of pentose and hexose sugars during fed-batch fermentation of wildtype E. mundtii led to 87.9 g/L optically pure (>99%) L-lactic acid, with maximum productivities of 3.25 g/L.h and yields approaching 1.00 g/g during feeding phase from HDSS as carbon source.
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Affiliation(s)
- R Hoheneder
- Department of Wood Chemistry & Biotechnology, Wood Kplus - Kompetenzzentrum Holz GmbH, c/o Muthgasse 18, 1190 Vienna, Austria; Institute of Microbiology and Microbial Biotechnology, Department of Biotechnology, BOKU-University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190 Vienna, Austria
| | - E Fitz
- Department of Wood Chemistry & Biotechnology, Wood Kplus - Kompetenzzentrum Holz, c/o Werkstraße 2, 4860 Lenzing, Austria
| | - R H Bischof
- Lenzing Aktiengesellschaft, Werkstraße 2, 4860 Lenzing, Austria
| | - H Russmayer
- Institute of Microbiology and Microbial Biotechnology, Department of Biotechnology, BOKU-University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190 Vienna, Austria
| | - P Ferrero
- Amalgamated Research LLC, 2531 Orchard Drive East, Twin Falls, ID 83301, United States
| | - S Peacock
- Amalgamated Research LLC, 2531 Orchard Drive East, Twin Falls, ID 83301, United States
| | - M Sauer
- Institute of Microbiology and Microbial Biotechnology, Department of Biotechnology, BOKU-University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190 Vienna, Austria.
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29
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Baral P, Pundir A, Kurmi A, Singh R, Kumar V, Agrawal D. Salting-out assisted solvent extraction of L (+) lactic acid obtained after fermentation of sugarcane bagasse hydrolysate. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118788] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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30
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Abstract
Bored coffee beans (BCBs) are the residues left from the pest Hypothenemus hampei that attacks coffee crops, resulting in enormous economic losses. The bioconversion of monosaccharides from BCBs into hyaluronic acid (HA) is appealing both for using the residues and given the high commercial value of HA. This study dealt with the production of HA using Streptococcus zooepidemicus by employing either acid (AcH) or enzymatic (EnH) hydrolyzates from BCBs. The highest release of monosaccharides (evaluated using surface response methodology) was obtained with EnH (36.4 g/L); however, S. zooepidemicus produced more HA (1.5 g/L) using AcH compared to EnH. Hydrolyzates from acetone-extracted BCBs yielded 2.7 g/L of HA, which is similar to the amount obtained using a synthetic medium (2.8 g/L). This report demonstrates the potential of hydrolyzates from bored coffee beans to produce HA by S. zooepidemicus.
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31
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Mavrommati M, Daskalaki A, Papanikolaou S, Aggelis G. Adaptive laboratory evolution principles and applications in industrial biotechnology. Biotechnol Adv 2021; 54:107795. [PMID: 34246744 DOI: 10.1016/j.biotechadv.2021.107795] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 06/11/2021] [Accepted: 07/05/2021] [Indexed: 12/20/2022]
Abstract
Adaptive laboratory evolution (ALE) is an innovative approach for the generation of evolved microbial strains with desired characteristics, by implementing the rules of natural selection as presented in the Darwinian Theory, on the laboratory bench. New as it might be, it has already been used by several researchers for the amelioration of a variety of characteristics of widely used microorganisms in biotechnology. ALE is used as a tool for the deeper understanding of the genetic and/or metabolic pathways of evolution. Another important field targeted by ALE is the manufacturing of products of (high) added value, such as ethanol, butanol and lipids. In the current review, we discuss the basic principles and techniques of ALE, and then we focus on studies where it has been applied to bacteria, fungi and microalgae, aiming to improve their performance to biotechnological procedures and/or inspect the genetic background of evolution. We conclude that ALE is a promising and efficacious method that has already led to the acquisition of useful new microbiological strains in biotechnology and could possibly offer even more interesting results in the future.
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Affiliation(s)
- Maria Mavrommati
- Unit of Microbiology, Department of Biology, Division of Genetics, Cell Biology and Development, University of Patras, 26504 Patras, Greece; Laboratory of Food Microbiology and Biotechnology, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Alexandra Daskalaki
- Unit of Microbiology, Department of Biology, Division of Genetics, Cell Biology and Development, University of Patras, 26504 Patras, Greece
| | - Seraphim Papanikolaou
- Laboratory of Food Microbiology and Biotechnology, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - George Aggelis
- Unit of Microbiology, Department of Biology, Division of Genetics, Cell Biology and Development, University of Patras, 26504 Patras, Greece.
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32
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Campos J, Bao J, Lidén G. Optically pure lactic acid production from softwood-derived mannose by Pediococcus acidilactici. J Biotechnol 2021; 335:1-8. [PMID: 34090945 DOI: 10.1016/j.jbiotec.2021.06.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 05/18/2021] [Accepted: 06/01/2021] [Indexed: 10/21/2022]
Abstract
Softwood is of interest as a renewable carbon source for production of lactic acid. Softwood hydrolysate contains a high content of mannose. Lactic acid production from mannose by two modified strains, L-lactic acid producing Pediococcus acidilactici TY112 and D-lactic acid producing ZP26, was investigated in the current work. The two strains efficiently converted mannose to L- and D-lactate isomers with an optical purity exceeding 99 %, although the mannose utilization rates were lower than the glucose utilization rates. The mannose conversion to L- and D-lactic acids by P. acidilactici was also confirmed in dilute spruce hemicellulose hydrolysate. The present study provides important knowledge on utilization of the spectrum of fermentable sugars in softwood for future production of chiral lactic acid from lignocellulose feedstocks.
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Affiliation(s)
- Joana Campos
- Department of Chemical Engineering, Lund University, PO Box 124, 221 00, Lund, Sweden
| | - Jie Bao
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Gunnar Lidén
- Department of Chemical Engineering, Lund University, PO Box 124, 221 00, Lund, Sweden.
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33
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Awasthi MK, Ferreira JA, Sirohi R, Sarsaiya S, Khoshnevisan B, Baladi S, Sindhu R, Binod P, Pandey A, Juneja A, Kumar D, Zhang Z, Taherzadeh MJ. A critical review on the development stage of biorefinery systems towards the management of apple processing-derived waste. RENEWABLE AND SUSTAINABLE ENERGY REVIEWS 2021; 143:110972. [DOI: 10.1016/j.rser.2021.110972] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/20/2023]
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34
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Sadaf A, Kumar S, Nain L, Khare SK. Bread waste to lactic acid: Applicability of simultaneous saccharification and solid state fermentation. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.101934] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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35
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Park SA, Bhatia SK, Park HA, Kim SY, Sudheer PDVN, Yang YH, Choi KY. Bacillus subtilis as a robust host for biochemical production utilizing biomass. Crit Rev Biotechnol 2021; 41:827-848. [PMID: 33622141 DOI: 10.1080/07388551.2021.1888069] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bacillus subtilis is regarded as a suitable host for biochemical production owing to its excellent growth and bioresource utilization characteristics. In addition, the distinct endogenous metabolic pathways and the suitability of the heterologous pathways have made B. subtilis a robust and promising host for producing biochemicals, such as: bioalcohols; bioorganic acids (lactic acids, α-ketoglutaric acid, and γ-aminobutyric acid); biopolymers (poly(γ-glutamic acid, polyhydroxyalkanoates (PHA), and polysaccharides and monosaccharides (N-acetylglucosamine, xylooligosaccharides, and hyaluronic acid)); and bioflocculants. Also for producing oligopeptides and functional peptides, owing to its efficient protein secretion system. Several metabolic and genetic engineering techniques, such as target gene overexpression and inactivation of bypass pathways, have led to the improvement in production titers and product selectivity. In this review article, recent progress in the utilization of robust B. subtilis-based host systems for biomass conversion and biochemical production has been highlighted, and the prospects of such host systems are suggested.
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Affiliation(s)
- Seo A Park
- Department of Environmental Engineering, College of Engineering, Ajou University, Suwon, South Korea
| | - Shashi Kant Bhatia
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea.,Institute for Ubiquitous Information Technology and Application, Konkuk University, Seoul, Republic of Korea
| | - Hyun A Park
- Department of Environmental Engineering, College of Engineering, Ajou University, Suwon, South Korea
| | - Seo Yeong Kim
- Department of Environmental Engineering, College of Engineering, Ajou University, Suwon, South Korea
| | | | - Yung-Hun Yang
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea.,Institute for Ubiquitous Information Technology and Application, Konkuk University, Seoul, Republic of Korea
| | - Kwon-Young Choi
- Department of Environmental Engineering, College of Engineering, Ajou University, Suwon, South Korea.,Department of Environmental and Safety Engineering, College of Engineering, Ajou University, Suwon, South Korea
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36
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Wang Z, Mo C, Xu S, Chen S, Deng T, Zhu W, Wang H. Ca(OH)2 induced a controlled-release catalytic system for the efficient conversion of high-concentration glucose to lactic acid. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111406] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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37
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Ahmad A, Banat F, Taher H. Comparative study of lactic acid production from date pulp waste by batch and cyclic-mode dark fermentation. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 120:585-593. [PMID: 33176940 DOI: 10.1016/j.wasman.2020.10.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/20/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
Biowaste valorization into lactic acid (LA) by treatment with indigenous microbiota has recently gained considerable attention. LA production from date pulp waste provides an opportunity for resource recovery, reduces environmental issues, and possibly turns biomass into wealth. This study aimed to compare the performance of batch and cyclic fermentation processes in LA production with and without enzymatic pretreatment. The fermentation studies were conducted in the absence of an external inoculum source (relying on indigenous microbiota) and without the addition of nutrients. The highest LA volumetric productivity (3.56 g/liter/day), yield (0.07 g/g-TS), and concentration (21.66 g/L) were attained with enzymatic pretreated date pulp in the cyclic-mode fermentation at the optimized conditions. The productivity rate of LA was enhanced in the cyclic-mode as compared to the batch process. Enzymatic pretreatment increased the digestibility of cellulose that led to higher LA yield. An Artificial Neural Network model was developed to optimize the process parameters and to predict the LA concentration from date pulp waste in both fermentation processes. The main advantage of the ANN approach is the ability to perform quick predictions without resource-consuming experiments. The model predicted optimal conditions well and demonstrated good agreement between experimental and predicted data.
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Affiliation(s)
- Ashfaq Ahmad
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - Fawzi Banat
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - Hanifa Taher
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
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38
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Castillo-Alfonso F, Rojas MM, Salgado-Bernal I, Carballo ME, Olivares-Hernández R, González-Bacerio J, Guisán JM, Del Monte-Martínez A. Optimization of theoretical maximal quantity of cells to immobilize on solid supports in the rational design of immobilized derivatives strategy. World J Microbiol Biotechnol 2021; 37:9. [PMID: 33392828 DOI: 10.1007/s11274-020-02972-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 11/29/2020] [Indexed: 11/24/2022]
Abstract
Current worldwide challenges are to increase the food production and decrease the environmental contamination by industrial emissions. For this, bacteria can produce plant growth promoter phytohormones and mediate the bioremediation of sewage by heavy metals removal. We developed a Rational Design of Immobilized Derivatives (RDID) strategy, applicable for protein, spore and cell immobilization and implemented in the RDID1.0 software. In this work, we propose new algorithms to optimize the theoretical maximal quantity of cells to immobilize (tMQCell) on solid supports, implemented in the RDIDCell software. The main modifications to the preexisting algorithms are related to the sphere packing theory and exclusive immobilization on the support surface. We experimentally validated the new tMQCell parameter by electrostatic immobilization of ten microbial strains on AMBERJET® 4200 Cl- porous solid support. All predicted tMQCell match the practical maximal quantity of cells to immobilize with a 10% confidence. The values predicted by the RDIDCell software are more accurate than the values predicted by the RDID1.0 software. 3-indolacetic acid (IAA) production by one bacterial immobilized derivative was higher (~ 2.6 μg IAA-like indoles/108 cells) than that of the cell suspension (1.5 μg IAA-like indoles/108 cells), and higher than the tryptophan amount added as indole precursor. Another bacterial immobilized derivative was more active (22 μg Cr(III)/108 cells) than the resuspended cells (14.5 μg Cr(III)/108 cells) in bioconversion of Cr(VI) to Cr(III). Optimized RDID strategy can be used to synthesize bacterial immobilized derivatives with useful biotechnological applications.
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Affiliation(s)
- Freddy Castillo-Alfonso
- Centro de Estudio de Proteínas, Universidad de La Habana, Calle 25, #455, e/J e I, Vedado, 10400, Havana, Cuba.,Posgrado en Ciencias Naturales e Ingeniería, Universidad Autónoma Metropolitana, Unidad Cuajimalpa. Av. Vasco de Quiroga 4871, Col. Santa Fe Cuajimalpa, Delegación Cuajimalpa, 05348, Mexico, Mexico
| | - Marcia M Rojas
- Departamento de Microbiología y Virología, Universidad de La Habana, Calle 25, #455, e/J e I, Vedado, 10400, Havana, Cuba
| | - Irina Salgado-Bernal
- Departamento de Microbiología y Virología, Universidad de La Habana, Calle 25, #455, e/J e I, Vedado, 10400, Havana, Cuba
| | - María E Carballo
- Departamento de Microbiología y Virología, Universidad de La Habana, Calle 25, #455, e/J e I, Vedado, 10400, Havana, Cuba
| | - Roberto Olivares-Hernández
- Universidad Autónoma Metropolitana, Unidad Cuajimalpa. Av. Vasco de Quiroga 4871, Col. Santa Fe Cuajimalpa, Delegación Cuajimalpa, 05348, Mexico, Mexico
| | - Jorge González-Bacerio
- Centro de Estudio de Proteínas, Universidad de La Habana, Calle 25, #455, e/J e I, Vedado, 10400, Havana, Cuba. .,Departamento de Bioquímica, Facultad de Biología, Universidad de La Habana, Calle 25, #455, e/J e I, Vedado, 10400, Havana, Cuba.
| | - José M Guisán
- Departamento de Biocatálisis, Instituto de Catálisis y Petroleoquímica, Consejo Superior de Investigaciones Científicas (CSIC), Campus Cantoblanco, 28049, Madrid, Spain
| | - Alberto Del Monte-Martínez
- Centro de Estudio de Proteínas, Universidad de La Habana, Calle 25, #455, e/J e I, Vedado, 10400, Havana, Cuba.
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39
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Zinov’eva IV, Zakhodyaeva YA, Voshkin AA. Extraction of Lactic Acid Using the Polyethylene Glycol–Sodium Sulfate–Water System. THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING 2021. [DOI: 10.1134/s0040579521010188] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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40
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Botvin V, Karaseva S, Salikova D, Dusselier M. Syntheses and chemical transformations of glycolide and lactide as monomers for biodegradable polymers. Polym Degrad Stab 2021. [DOI: 10.1016/j.polymdegradstab.2020.109427] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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41
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Fermentation as a Strategy for Bio-Transforming Waste into Resources: Lactic Acid Production from Agri-Food Residues. FERMENTATION-BASEL 2020. [DOI: 10.3390/fermentation7010003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Lactic acid (LA) obtained by fermentation of carbohydrates is well-known and widely used in the food sector. This process is as an alternative to the chemical synthesis and ensures several advantages especially in terms of environmental sustainability. In particularly, the opportunity to use agro-food residues as fermentable raw materials could improve the overall process sustainability, without considering the indisputable advantages in terms of waste reduction and residual biomass valorization, in a bio- and circular economy perspective. This research deals with the study and development of the fermentation processes of various waste biomasses from the agro-food industries, including milk whey (MW), ricotta cheese whey (RCW), pear processing residues (PPR), potato pomace (PP), tomato pomace (PT), in order to obtain an experimental protocol applicable to the production of LA. Lactobacillus casei DSM 20011 (ATCC 393), a homofermentative L(+)-LA producing bacterium has been used, starting from small-scale tests to verify of the microorganism to grow in complex medium with different carbon sources and the possible presence of potentially toxic substances for microbial growth. Yields from 27.0 ± 0.3% to 46.0 ± 0.7% have been obtained. Then, a scaling-up was performed in a 1 L batch fermenter, using a mixed medium of RCW and PPR in different ratio. The best LA yield was 78.3% with a volumetric productivity of 1.12 g/L·h in less than 60 h.
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43
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Mileriene J, Serniene L, Kondrotiene K, Lauciene L, Kasetiene N, Sekmokiene D, Andruleviciute V, Malakauskas M. Quality and nutritional characteristics of traditional curd cheese enriched with thermo‐coagulated acid whey protein and indigenous
Lactococcus lactis
strain. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14922] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Justina Mileriene
- Department of Food Safety and Quality Veterinary Academy Lithuanian University of Health Sciences Tilzes st. 18 KaunasLT‐47181Lithuania
| | - Loreta Serniene
- Department of Food Safety and Quality Veterinary Academy Lithuanian University of Health Sciences Tilzes st. 18 KaunasLT‐47181Lithuania
| | - Kristina Kondrotiene
- Department of Food Safety and Quality Veterinary Academy Lithuanian University of Health Sciences Tilzes st. 18 KaunasLT‐47181Lithuania
| | - Lina Lauciene
- Department of Food Safety and Quality Veterinary Academy Lithuanian University of Health Sciences Tilzes st. 18 KaunasLT‐47181Lithuania
| | - Neringa Kasetiene
- Department of Food Safety and Quality Veterinary Academy Lithuanian University of Health Sciences Tilzes st. 18 KaunasLT‐47181Lithuania
| | - Dalia Sekmokiene
- Department of Food Safety and Quality Veterinary Academy Lithuanian University of Health Sciences Tilzes st. 18 KaunasLT‐47181Lithuania
| | - Vaida Andruleviciute
- Department of Biochemistry Veterinary Academy Lithuanian University of Health Sciences Tilzes st. 18 KaunasLT‐47181Lithuania
| | - Mindaugas Malakauskas
- Department of Food Safety and Quality Veterinary Academy Lithuanian University of Health Sciences Tilzes st. 18 KaunasLT‐47181Lithuania
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Evaluating the Engineered Saccharomyces cerevisiae With High Spermidine Contents for Increased Tolerance to Lactic, Succinic, and Malic Acids and Increased Xylose Fermentation. BIOTECHNOL BIOPROC E 2020. [DOI: 10.1007/s12257-020-0020-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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45
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Rodriguez LEG, Bail A, Castillo RO, Arízaga GGC. Removal and Extraction of Carboxylic Acids and Non-ionic Compounds with Simple Hydroxides and Layered Double Hydroxides. Curr Pharm Des 2020; 26:650-663. [PMID: 31878850 DOI: 10.2174/1381612826666191226103623] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 12/18/2019] [Indexed: 01/30/2023]
Abstract
Carboxylic acids are an important natural component as a final product or intermediates for syntheses. They are produced in plants, animals and also as products from biotechnological processes. This review presents the use of single hydroxide particles and layered double hydroxides as alternative adsorbents to remove carboxylic acids from liquid media. The proposal to use hydroxide particles is based on its affinity to adsorb or intercalate carboxylic acids. Besides, the change in properties of the adsorbate-sorbate product evinces that this intermediate can be used as a vehicle to transport and release carboxylic acids. Additional examples will also be presented to prove that layered hydroxides are capable of removing non-ionic compounds from wine, milk and tomato. The use of layered compounds to remove active ingredients could reduce the number of separations steps, costs and reduce or eliminate solvents, thus encouraging the design of industrial processes of separation using hydroxides particles.
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Affiliation(s)
- Luis E G Rodriguez
- Facultad de Ciencias Aplicadas a la Industria. Universidad de Camaguey "Ignacio Agramonte Loynaz". Circunvalacion Norte, km 5.5. C.P. 74650. Camaguey, Cuba
| | - Alesandro Bail
- Nucleo de Inovacao Industrial (NI2), Universidade Tecnologica Federal do Parana (UTFPR), CEP: 86812-460, Apucarana, Parana, Brazil
| | - Rodolfo O Castillo
- Departamento de Ingenieria Quimica, Universidad de Guadalajara, Marcelino Garcia Barragan 1421, C.P. 44430, Guadalajara, Jalisco, Mexico
| | - Gregorio G C Arízaga
- Departamento de Quimica, Universidad de Guadalajara, Marcelino Garcia Barragan 1421, C.P. 44430, Guadalajara, Jalisco, Mexico
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Lactic Acid Permeation through Deep Eutectic Solvents-Based Polymer Inclusion Membranes. MEMBRANES 2020; 10:membranes10090244. [PMID: 32961729 PMCID: PMC7559008 DOI: 10.3390/membranes10090244] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 01/19/2023]
Abstract
Lactic acid that is prepared by fermentation is a compound in food, cosmetic pharmaceutical, and chemical industries. Since a simple technique is desired that separates lactic acid from the cultures, we propose lactic acid permeation through a poly(vinyl chloride)(PVC)-based membrane that contains deep eutectic solvents (DESs) as a carrier. Lactic acid was successfully permeated through polymer inclusion membranes (PIMs) containing hydrophilic DESs, urea-choline chloride and glucose-choline chloride. The permeation behavior was explained by the facilitated transport mechanism based on the solution-diffusion model. Simple preparation of thinner membranes in the PIM process and higher permeation rates are advantages over the supported liquid membrane process. The PVC-based membrane process containing environmentally benign hydrophilic DESs is promising for lactic acid separation on an industrial scale.
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47
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Yadav N, Pranaw K, Khare SK. Screening of lactic acid bacteria stable in ionic liquids and lignocellulosic by-products for bio-based lactic acid production. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.biteb.2020.100423] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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48
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Meng K, Zhang G, Ding C, Zhang T, Yan H, Zhang D, Fang T, Liu M, You Z, Yang C, Shen J, Jin X. Recent Advances on Purification of Lactic Acid. CHEM REC 2020; 20:1236-1256. [PMID: 32767665 DOI: 10.1002/tcr.202000055] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/10/2020] [Indexed: 01/16/2023]
Abstract
With increasing interest in developing biodegradable polymers to replace fossil-based products globally, lactic acid (LA) has been paid extensive attention due to the high environment-compatibility of its downstream products. The mainstream efforts have been put in developing energy-efficient conversion technologies through biological and chemical routes to synthesize LA. However, to our best knowledge, there is a lack of sufficient attention in developing effective separation technologies with high atom economics for purifying LA and derivatives. In this review, the most recent advances in purifying LA using precipitation, reactive extraction, emulsion liquid membrane, reactive distillation, molecular distillation, and membrane techniques will be discussed critically with respect to the fundamentals, flow scheme, energy efficiency, and equipment. The outcome of this article is to offer insights into implementing more atomic and energy-efficient technologies for upgrading LA.
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Affiliation(s)
- Kexin Meng
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Guangyu Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Chuanqin Ding
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Tongyang Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Hui Yan
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Dongpei Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Tianqi Fang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Mengyuan Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Zhenchao You
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Chaohe Yang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Jian Shen
- College of Environment and Resources, Xiangtan University, Xiangtan, Hunan Province, 411105, China
| | - Xin Jin
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
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Carpinelli Macedo JV, de Barros Ranke FF, Escaramboni B, Campioni TS, Fernández Núñez EG, de Oliva Neto P. Cost-effective lactic acid production by fermentation of agro-industrial residues. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101706] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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50
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Gérardy R, Debecker DP, Estager J, Luis P, Monbaliu JCM. Continuous Flow Upgrading of Selected C 2-C 6 Platform Chemicals Derived from Biomass. Chem Rev 2020; 120:7219-7347. [PMID: 32667196 DOI: 10.1021/acs.chemrev.9b00846] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The ever increasing industrial production of commodity and specialty chemicals inexorably depletes the finite primary fossil resources available on Earth. The forecast of population growth over the next 3 decades is a very strong incentive for the identification of alternative primary resources other than petro-based ones. In contrast with fossil resources, renewable biomass is a virtually inexhaustible reservoir of chemical building blocks. Shifting the current industrial paradigm from almost exclusively petro-based resources to alternative bio-based raw materials requires more than vibrant political messages; it requires a profound revision of the concepts and technologies on which industrial chemical processes rely. Only a small fraction of molecules extracted from biomass bears significant chemical and commercial potentials to be considered as ubiquitous chemical platforms upon which a new, bio-based industry can thrive. Owing to its inherent assets in terms of unique process experience, scalability, and reduced environmental footprint, flow chemistry arguably has a major role to play in this context. This review covers a selection of C2 to C6 bio-based chemical platforms with existing commercial markets including polyols (ethylene glycol, 1,2-propanediol, 1,3-propanediol, glycerol, 1,4-butanediol, xylitol, and sorbitol), furanoids (furfural and 5-hydroxymethylfurfural) and carboxylic acids (lactic acid, succinic acid, fumaric acid, malic acid, itaconic acid, and levulinic acid). The aim of this review is to illustrate the various aspects of upgrading bio-based platform molecules toward commodity or specialty chemicals using new process concepts that fall under the umbrella of continuous flow technology and that could change the future perspectives of biorefineries.
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Affiliation(s)
- Romaric Gérardy
- Center for Integrated Technology and Organic Synthesis, MolSys Research Unit, University of Liège, B-4000 Sart Tilman, Liège, Belgium
| | - Damien P Debecker
- Institute of Condensed Matter and Nanosciences (IMCN), Université catholique de Louvain (UCLouvain), B-1348 Louvain-la-Neuve, Belgium.,Research & Innovation Centre for Process Engineering (ReCIPE), Université catholique de Louvain (UCLouvain), B-1348 Louvain-la-Neuve, Belgium
| | - Julien Estager
- Certech, Rue Jules Bordet 45, Zone Industrielle C, B-7180 Seneffe, Belgium
| | - Patricia Luis
- Research & Innovation Centre for Process Engineering (ReCIPE), Université catholique de Louvain (UCLouvain), B-1348 Louvain-la-Neuve, Belgium.,Materials & Process Engineering (iMMC-IMAP), UCLouvain, B-1348 Louvain-la-Neuve, Belgium
| | - Jean-Christophe M Monbaliu
- Center for Integrated Technology and Organic Synthesis, MolSys Research Unit, University of Liège, B-4000 Sart Tilman, Liège, Belgium
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