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Bilal M, Iqbal HMN. Sustainable bioconversion of food waste into high-value products by immobilized enzymes to meet bio-economy challenges and opportunities - A review. Food Res Int 2019; 123:226-240. [PMID: 31284972 DOI: 10.1016/j.foodres.2019.04.066] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/15/2019] [Accepted: 04/29/2019] [Indexed: 02/05/2023]
Abstract
Over the past few years, food waste has intensified much attention from the local public, national and international organizations as well as a wider household territory due to increasing environmental, social and economic concerns, climate change and scarcity of fossil fuel resources. On one aspect, food-processing waste represents a substantial ecological burden. On the other hand, these waste streams are rich in carbohydrates, proteins, and lipids, thus hold significant potential for biotransformation into an array of high-value compounds. Indeed, the high sugar, protein, and fat content render food waste streams as attractive feedstocks for enzymatic valorization given the plentiful volumes generated annually. Enzymes as industrial biocatalysts offer unique advantages over traditional chemical processes with regard to eco-sustainability, and process efficiency. Herein, an effort has been made to delineate immobilized enzyme-driven valorization of food waste streams into marketable products such as biofuels, bioactive compounds, biodegradable plastics, prebiotics, sweeteners, rare sugars, surfactants, etc. Current challenges and prospects are also highlighted with respect to the development of industrially adaptable biocatalytic systems to achieve the ultimate objectives of sustainable manufacturing combined with minimum waste generation. Applications-based strategies to enzyme immobilization are imperative to design cost-efficient and sustainable industrially applicable biocatalysts. With a deeper apprehension of support material influences, and analyzing the extreme environment, enzymes might have significant potential in improving the overall sustainability of food processing.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico.
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102
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Funnell-Harris DL, Sattler SE, O'Neill PM, Gries T, Tetreault HM, Clemente TE. Response of Sorghum Enhanced in Monolignol Biosynthesis to Stalk Rot Pathogens. PLANT DISEASE 2019; 103:2277-2287. [PMID: 31215851 DOI: 10.1094/pdis-09-18-1622-re] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
To increase phenylpropanoid constituents and energy content in the versatile C4 grass sorghum (Sorghum bicolor [L.] Moench), sorghum genes for proteins related to monolignol biosynthesis were overexpressed: SbMyb60 (transcriptional activator), SbPAL (phenylalanine ammonia lyase), SbCCoAOMT (caffeoyl coenzyme A [CoA] 3-O-methyltransferase), Bmr2 (4-coumarate:CoA ligase), and SbC3H (coumaroyl shikimate 3-hydroxylase). Overexpression lines were evaluated for responses to stalk pathogens under greenhouse and field conditions. Greenhouse-grown plants were inoculated with Fusarium thapsinum (Fusarium stalk rot) and Macrophomina phaseolina (charcoal rot), which cause yield-reducing diseases. F. thapsinum-inoculated overexpression plants had mean lesion lengths not significantly different than wild-type, except for significantly smaller lesions on two of three SbMyb60 and one of two SbCCoAOMT lines. M. phaseolina-inoculated overexpression lines had lesions not significantly different from wild-type except one SbPAL line (of two lines studied) with mean lesion lengths significantly larger. Field-grown SbMyb60 and SbCCoAOMT overexpression plants were inoculated with F. thapsinum. Mean lesions of SbMyb60 lines were similar to wild-type, but one SbCCoAOMT had larger lesions, whereas the other line was not significantly different than wild-type. Because overexpression of SbMyb60, Bmr2, or SbC3H may not render sorghum more susceptible to stalk rots, these lines may provide sources for development of sorghum with increased phenylpropanoid concentrations.
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Affiliation(s)
- Deanna L Funnell-Harris
- Wheat, Sorghum and Forage Research Unit, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Lincoln, NE 68583
- Department of Plant Pathology, University of Nebraska, Lincoln, NE 68583
| | - Scott E Sattler
- Wheat, Sorghum and Forage Research Unit, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Lincoln, NE 68583
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE 68583
| | - Patrick M O'Neill
- Wheat, Sorghum and Forage Research Unit, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Lincoln, NE 68583
- Department of Plant Pathology, University of Nebraska, Lincoln, NE 68583
| | - Tammy Gries
- Wheat, Sorghum and Forage Research Unit, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Lincoln, NE 68583
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE 68583
| | - Hannah M Tetreault
- Wheat, Sorghum and Forage Research Unit, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Lincoln, NE 68583
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE 68583
| | - Thomas E Clemente
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE 68583
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103
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Jiang Y, Lv Y, Wu R, Sui Y, Chen C, Xin F, Zhou J, Dong W, Jiang M. Current status and perspectives on biobutanol production using lignocellulosic feedstocks. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.biteb.2019.100245] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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104
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Martín-Sampedro R, Santos JI, Eugenio ME, Wicklein B, Jiménez-López L, Ibarra D. Chemical and thermal analysis of lignin streams from Robinia pseudoacacia L. generated during organosolv and acid hydrolysis pre-treatments and subsequent enzymatic hydrolysis. Int J Biol Macromol 2019; 140:311-322. [PMID: 31408656 DOI: 10.1016/j.ijbiomac.2019.08.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 06/28/2019] [Accepted: 08/04/2019] [Indexed: 12/22/2022]
Abstract
Lignin streams produced in biorefineries are commonly used to obtain energy. In order to increase the competitiveness of this industry, new lignin valorization routes are necessary, for which a depth characterization of this biological macromolecule is essential. In this context, this study analyzed lignin streams of Robinia pseudoacacia L. generated during organosolv and acid hydrolysis pre-treatments and during the subsequent enzymatic hydrolysis. These lignins included dissolved lignins from pre-treatment liquors and saccharification lignins from pre-treated materials. Chemical composition and structural features were analyzed by analytical standard methods and Fourier Transform Infrared spectroscopy (FTIR), size exclusion chromatography (SEC), 13C solid state nuclear magnetic resonance (13C NMR) and 1H-13C two-dimensional nuclear magnetic resonance (2D NMR); while thermal characterization included thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). In general, all studied lignins contained a predominance of β-O-4' aryl ether linkages, followed by resinol (β-β') and phenylcoumaran (β-5'), with a predominance of syringyl over guaiacyl and hydroxyphenyl units. Nevertheless, the dissolved lignins revealed a removal of linkages, especially β-O-4', leading to an enrichment of phenolic groups. Moreover, high thermal stability and good thermoplasticity were characteristics of these lignins. Contrary, the saccharification lignins exhibited a more intact structure, but with an important remaining carbohydrates content.
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Affiliation(s)
| | - José I Santos
- General Services of Research SGIKER, University of the Basque Country (UPV/EHU), Edificio Joxe Mari Korta Avda. Tolosa 72, Donostia-San Sebastian 20018, Spain
| | - María E Eugenio
- INIA-CIFOR, Forestry Products Department, Ctra de la Coruña Km 7.5, Madrid 28040, Spain
| | - Bernd Wicklein
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Sor Juana Inés de la Cruz 3, Cantoblanco, Madrid 28049, Spain
| | - Laura Jiménez-López
- INIA-CIFOR, Forestry Products Department, Ctra de la Coruña Km 7.5, Madrid 28040, Spain
| | - David Ibarra
- INIA-CIFOR, Forestry Products Department, Ctra de la Coruña Km 7.5, Madrid 28040, Spain.
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105
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Carli S, Carneiro LABDC, Ward RJ, Meleiro LP. Immobilization of a β-glucosidase and an endoglucanase in ferromagnetic nanoparticles: A study of synergistic effects. Protein Expr Purif 2019; 160:28-35. [DOI: 10.1016/j.pep.2019.03.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 01/11/2019] [Accepted: 03/29/2019] [Indexed: 12/14/2022]
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106
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de la Torre I, Martin-Dominguez V, Acedos MG, Esteban J, Santos VE, Ladero M. Utilisation/upgrading of orange peel waste from a biological biorefinery perspective. Appl Microbiol Biotechnol 2019; 103:5975-5991. [DOI: 10.1007/s00253-019-09929-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 05/16/2019] [Accepted: 05/18/2019] [Indexed: 12/14/2022]
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107
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One-Pot Synthesis of 2,5-Diformylfuran from Fructose by Bifunctional Polyaniline-Supported Heteropolyacid Hybrid Catalysts. Catalysts 2019. [DOI: 10.3390/catal9050445] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
We report the preparation of bifunctional hybrid catalysts by supporting H3PMo12O40 (PMo12) heteropolyacid (HPA) on polyaniline (PAN) or formyl-functionalized PAN (F-PAN) for the “one-pot” and “one-step” synthesis of 2,5-diformylfuran (DFF) from fructose via 5-hydroxymethylfurfural (HMF) intermediate. We show that the PMo12 HPA is the main active species for both fructose dehydration and HMF oxidation owing to its Brønsted acidic and redox characters. However, the anchoring of PMo12 on PAN reduces the Brønsted acidity by acid–base interaction between protons in HPA and quinoid diimine structure in PAN, thereby reducing the dehydration performance. We demonstrate that the catalytic dehydration performance of the hybrid catalyst could be strengthened by grafting formyl groups on PAN before HPA anchoring. The highest DFF yield of 76.7% is obtained by conducting the “one-pot” reaction over the 40-PMo12/F3-PAN catalyst at 413 K for 7 h in air, wherein the side-reactions of fructose or HMF degradation and HMF rehydration have been significantly reduced. This hybrid catalyst is reusable without significant activity loss, highlighting the designing of stable inorganic–organic hybrid catalysts for producing valuable hexose-derived platform chemicals.
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108
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Zhao Q, Wang L, Chen H. Effect of Novel Pretreatment of Steam Explosion Associated with Ammonium Sulfite Process on Enzymatic Hydrolysis of Corn Straw. Appl Biochem Biotechnol 2019; 189:485-497. [PMID: 31049884 DOI: 10.1007/s12010-019-03018-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 03/27/2019] [Indexed: 01/06/2023]
Abstract
Effective pretreatment process to improve enzymatic saccharification and decrease inhibitors generation is a key operation involved in the lignocellulosic bioconversion. The pretreatment of steam explosion associated with ammonium sulfite (SEAS) process was carried out to investigate the effect on enzymatic hydrolysis and fermentation production as a combinatorial pretreatment. Results showed that after pretreatment (1.0 MPa, 30 min, 20%w/w ammonium sulfite added), the phenolic inhibitors derived from lignin significantly removed (37.8%), which transformed to chemical humic acid (humic acid and fulvic acid) mostly. Sugar conversion (glucan (77.8%) and xylan (73.3%)) and ethanol concentration (40.8 g/L) of combinatorial pretreated samples were increased by 24.7% and 33.8%, respectively, compared with steam explosion (SE) pretreated samples. FT-IR and elemental analysis results indicated that the lignin structure changed and aromatization degree increased after SEAS pretreatment. In addition, the ratio of C/N decreased and compost maturity degree increased with the holding time. The effect on the growth of wheat seedlings of soluble fulvic acid solution from combinatorial pretreatment was investigated, where below 1% (w/w) concentration did contribute to growth. Therefore, one-step chemical pretreatment process could be provided for inhibitors removal, enzymatic saccharification increase, and chemical humic acid formation as well.
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Affiliation(s)
- Qihong Zhao
- State Key Laboratory of Biochemical Engineering, Beijing Key Laboratory of Biomass Refining Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
| | - Lan Wang
- State Key Laboratory of Biochemical Engineering, Beijing Key Laboratory of Biomass Refining Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
| | - Hongzhang Chen
- State Key Laboratory of Biochemical Engineering, Beijing Key Laboratory of Biomass Refining Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
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109
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Gao W, Inwood JP, Fatehi P. Sulfonation of Hydroxymethylated Lignin and Its Application. JOURNAL OF BIORESOURCES AND BIOPRODUCTS 2019. [DOI: 10.21967/jbb.v4i2.228] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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110
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Chen JH, Liu L, Lim PE, Wei D. Effects of sugarcane bagasse hydrolysate (SCBH) on cell growth and fatty acid accumulation of heterotrophic Chlorella protothecoides. Bioprocess Biosyst Eng 2019; 42:1129-1142. [DOI: 10.1007/s00449-019-02110-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 03/18/2019] [Indexed: 12/25/2022]
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111
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Costa-Trigo I, Otero-Penedo P, Outeiriño D, Paz A, Domínguez JM. Valorization of chestnut (Castanea sativa) residues: Characterization of different materials and optimization of the acid-hydrolysis of chestnut burrs for the elaboration of culture broths. WASTE MANAGEMENT (NEW YORK, N.Y.) 2019; 87:472-484. [PMID: 31109548 DOI: 10.1016/j.wasman.2019.02.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 02/05/2019] [Accepted: 02/11/2019] [Indexed: 06/09/2023]
Abstract
Four kinds of waste from the industrial processing of chestnuts (Castanea sativa), namely leaves, pruned material and burrs from chestnut tree plus chestnut shells, were characterized to determine their content in polymers and thus their potential use in biorefinery processes. Results revealed that chestnut burrs have the highest polysaccharide content being the most promising for carrying out the subsequent stages of acid hydrolysis. Treatment with diluted sulfuric acid (prehydrolysis) allowed the solubilization of xylose, glucose and arabinose, but also some toxic compounds such as furan derivatives, aliphatic acids and phenolic constituents. Xylose, the main component released in the hemicellulosic hydrolyzates, was maximized by using a 3**(2-0) full factorial design combined with desirability function. At optimum conditions set at 130 °C and 3% (w/v) H2SO4, this value was 22.6 g L-1 xylose. Three concentrations of activated charcoal (1, 2.5 and 5% w/v) were evaluated to remove certain unwanted byproducts, and it was found that under the highest dosage, 95.27 ± 0.03% of the color was removed with an almost total reduction of furan derivatives, making this liquor an appropriate basis for the development of suitable culture media for lactic acid bacteria. To validate this hypothesis three lactic acid bacteria, namely Lactobacillus plantarum, Lactobacillus pentosus and Lactococcus lactis were positively tested finding lactic acid yields of 0.89, 0.92 and 0.83 g/L·h respectively.
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Affiliation(s)
- Iván Costa-Trigo
- Industrial Biotechnology and Environmental Engineering Group "BiotecnIA", Chemical Engineering Department, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain
| | - Patricia Otero-Penedo
- Industrial Biotechnology and Environmental Engineering Group "BiotecnIA", Chemical Engineering Department, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain
| | - David Outeiriño
- Industrial Biotechnology and Environmental Engineering Group "BiotecnIA", Chemical Engineering Department, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain
| | - Alicia Paz
- Industrial Biotechnology and Environmental Engineering Group "BiotecnIA", Chemical Engineering Department, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain
| | - José Manuel Domínguez
- Industrial Biotechnology and Environmental Engineering Group "BiotecnIA", Chemical Engineering Department, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain.
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112
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Lucas N, Athawale AA, Rode CV. Valorization of Oceanic Waste Biomass: A Catalytic Perspective. CHEM REC 2019; 19:1995-2021. [DOI: 10.1002/tcr.201800195] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 02/11/2019] [Indexed: 01/03/2023]
Affiliation(s)
- Nishita Lucas
- Department of ChemistryS.P. Pune University Pune, Maharashtra India
| | | | - Chandrashekhar V. Rode
- Chemical Engineering and Process Development DivisionNational Chemical Laboratory Pune, Maharashtra India
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113
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Thermoalkaliphilic laccase treatment for enhanced production of high-value benzaldehyde chemicals from lignin. Int J Biol Macromol 2019; 124:200-208. [DOI: 10.1016/j.ijbiomac.2018.11.144] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 11/12/2018] [Accepted: 11/14/2018] [Indexed: 01/29/2023]
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114
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Kazmi MZH, Karmakar A, Michaelis VK, Williams FJ. Separation of cellulose/hemicellulose from lignin in white pine sawdust using boron trihalide reagents. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.02.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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115
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Carrillo-Nieves D, Rostro Alanís MJ, de la Cruz Quiroz R, Ruiz HA, Iqbal HM, Parra-Saldívar R. Current status and future trends of bioethanol production from agro-industrial wastes in Mexico. RENEWABLE & SUSTAINABLE ENERGY REVIEWS 2019. [DOI: 10.1016/j.rser.2018.11.031] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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116
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Paz A, Outeiriño D, Pérez Guerra N, Domínguez JM. Enzymatic hydrolysis of brewer's spent grain to obtain fermentable sugars. BIORESOURCE TECHNOLOGY 2019; 275:402-409. [PMID: 30605827 DOI: 10.1016/j.biortech.2018.12.082] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 12/21/2018] [Accepted: 12/22/2018] [Indexed: 06/09/2023]
Abstract
Lignocellulosic biomass is a feedstock with the potential to be converted into value-added bioproducts. The use of enzymatic hydrolysis allows the cleavage of lignocellulose into their monomeric units, but there are some drawbacks that make its use in industrial biocatalysis unfeasible. In the present study, we describe the hydrolysis of brewer's spent grain (BSG) with an enzymatic cocktail produced by Aspergillus niger CECT 2700 and its comparison with commercial enzymes. In addition, it was determined whether pretreating the BSG (non-pressurized alkaline hydrolysis or treatment with cholinium glycinate ionic liquid) is necessary. Results show that both pretreatments enhanced xylose release (10.55 ± 0.07 g/L and 8.14 ± 0.13 g/L respectively), meanwhile the hydrolysis of raw BSG with the enzymatic cocktail produced solutions containing high levels of glucose (18.45 ± 1.66 g/L) and xylose (6.38 ± 0.26 g/L).
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Affiliation(s)
- Alicia Paz
- Industrial Biotechnology and Environmental Engineering Group "BiotecnIA", Chemical Engineering Department, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain
| | - David Outeiriño
- Industrial Biotechnology and Environmental Engineering Group "BiotecnIA", Chemical Engineering Department, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain
| | - Nelson Pérez Guerra
- Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Sciences, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain
| | - José Manuel Domínguez
- Industrial Biotechnology and Environmental Engineering Group "BiotecnIA", Chemical Engineering Department, University of Vigo (Campus Ourense), As Lagoas s/n, 32004 Ourense, Spain.
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117
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Aulitto M, Fusco S, Nickel DB, Bartolucci S, Contursi P, Franzén CJ. Seed culture pre-adaptation of Bacillus coagulans MA-13 improves lactic acid production in simultaneous saccharification and fermentation. BIOTECHNOLOGY FOR BIOFUELS 2019; 12:45. [PMID: 30858882 PMCID: PMC6394018 DOI: 10.1186/s13068-019-1382-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 02/20/2019] [Indexed: 05/23/2023]
Abstract
BACKGROUND Lignocellulosic biomass is an abundant and sustainable feedstock, which represents a promising raw material for the production of lactic acid via microbial fermentation. However, toxic compounds that affect microbial growth and metabolism are released from the biomass upon thermochemical pre-treatment. So far, susceptibility of bacterial strains to biomass-derived inhibitors still represents a major barrier to lactic acid production from lignocellulose. Detoxification of the pre-treated lignocellulosic material by water washing is commonly performed to alleviate growth inhibition of the production microorganism and achieve higher production rates. RESULTS In this study, we assessed the feasibility of replacing the washing step with integrated cellular adaptation during pre-culture of Bacillus coagulans MA-13 prior to simultaneous saccharification and lactic acid fermentation of steam exploded wheat straw. Using a seed culture pre-exposed to 30% hydrolysate led to 50% shorter process time, 50% higher average volumetric and 115% higher average specific productivity than when using cells from a hydrolysate-free seed culture. CONCLUSIONS Pre-exposure of B. coagulans MA-13 to hydrolysate supports adaptation to the actual production medium. This strategy leads to lower process water requirements and combines cost-effective seed cultivation with physiological pre-adaptation of the production strain, resulting in reduced lactic acid production costs.
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Affiliation(s)
- Martina Aulitto
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | - Salvatore Fusco
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | - David Benjamin Nickel
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | | | - Patrizia Contursi
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
| | - Carl Johan Franzén
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
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118
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Jha P, Singh S, Raghuram M, Nair G, Jobby R, Gupta A, Desai N. Valorisation of orange peel: supplement in fermentation media for ethanol production and source of limonene. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/s42398-019-00048-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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119
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Buyel JF. Plant Molecular Farming - Integration and Exploitation of Side Streams to Achieve Sustainable Biomanufacturing. FRONTIERS IN PLANT SCIENCE 2019; 9:1893. [PMID: 30713542 PMCID: PMC6345721 DOI: 10.3389/fpls.2018.01893] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 12/06/2018] [Indexed: 05/22/2023]
Abstract
Plants have unique advantages over other systems such as mammalian cells for the production of valuable small molecules and proteins. The benefits cited most often include safety due to the absence of replicating human pathogens, simplicity because sterility is not required during production, scalability due to the potential for open-field cultivation with transgenic plants, and the speed of transient expression potentially providing gram quantities of product in less than 4 weeks. Initially there were also significant drawbacks, such as the need to clarify feed streams with a high particle burden and the large quantities of host cell proteins, but efficient clarification is now readily achieved. Several additional advantages have also emerged reflecting the fact that plants are essentially biodegradable, single-use bioreactors. This article will focus on the exploitation of this concept for the production of biopharmaceutical proteins, thus improving overall process economics. Specifically, we will discuss the single-use properties of plants, the sustainability of the production platform, and the commercial potential of different biomass side streams. We find that incorporating these side streams through rational process integration has the potential to more than double the revenue that can currently be achieved using plant-based production systems.
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Affiliation(s)
- Johannes F. Buyel
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Aachen, Germany
- Institute for Molecular Biotechnology, RWTH Aachen University, Aachen, Germany
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120
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Weber JM, Lió P, Lapkin AA. Identification of strategic molecules for future circular supply chains using large reaction networks. REACT CHEM ENG 2019. [DOI: 10.1039/c9re00213h] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Networks of chemical reactions represent relationships between molecules within chemical supply chains and promise to enhance planning of multi-step synthesis routes from bio-renewable feedstocks.
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Affiliation(s)
- Jana Marie Weber
- Department of Chemical Engineering and Biotechnology
- University of Cambridge
- West Cambridge Site
- Cambridge CB3 0AS
- UK
| | - Pietro Lió
- Department of Computer Science and Technology
- University of Cambridge
- Cambridge CB3 0FD
- UK
| | - Alexei A. Lapkin
- Department of Chemical Engineering and Biotechnology
- University of Cambridge
- West Cambridge Site
- Cambridge CB3 0AS
- UK
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121
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Myco-Degradation of Lignocellulose: An Update on the Reaction Mechanism and Production of Lignocellulolytic Enzymes by Fungi. Fungal Biol 2019. [DOI: 10.1007/978-3-030-23834-6_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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122
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Galaverna R, Fernandes LP, Browne DL, Pastre JC. Continuous flow processing as a tool for the generation of terpene-derived monomer libraries. REACT CHEM ENG 2019. [DOI: 10.1039/c8re00237a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A Diels–Alder reaction employing terpenes for rapid synthesis of monomer libraries under flow conditions is presented.
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Affiliation(s)
- Renan Galaverna
- Institute of Chemistry
- University of Campinas – UNICAMP
- Campinas
- Brazil
| | | | | | - Julio C. Pastre
- Institute of Chemistry
- University of Campinas – UNICAMP
- Campinas
- Brazil
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123
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Wang Q, Qian Y, Ma Y, Zhu C. A Preliminary Study on the Newly Isolated High Laccase-producing Fungi: Screening, Strain Characteristics and Induction of Laccase Production. Open Life Sci 2018; 13:463-469. [PMID: 33817115 PMCID: PMC7874694 DOI: 10.1515/biol-2018-0055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 09/29/2018] [Indexed: 11/15/2022] Open
Abstract
A simple separation method was used in this study to directly separate laccase-producing fungi from withered plant materials. A laccase-producing filamentous fungus was isolated and purified. The strain was highly similar to the species in genus Trametes by ITS sequence analysis, and therefore named Trametes sp. MA-X01. The addition of cupric ions and aromatic compounds to the liquid medium could induce the laccase synthesis in Trametes sp. MA-X01. Copper-induced laccase activity increased in a dose-dependent manner. The highest laccase activity (2138.9 ± 340.2 U/L) was obtained by adding 2.5 mM Cu2+ to the culture medium, which was about 7 times higher than that of the control group. The induction degree of aromatic compounds was different. For the present study, the highest laccase activities were obtained by adding vanillic acid (1007.9±59.5 U/L) or vanillin (981.6±77.2 U/L) to the medium, which were 3.5 and 3.4 times higher than the laccase activity of the control group, respectively.
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Affiliation(s)
- Qian Wang
- College of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100 P. R. China
| | - Yingying Qian
- College of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100 P. R. China
| | - Yuhan Ma
- College of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100 P. R. China
| | - Changwei Zhu
- College of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100 P. R. China
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124
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Mishra S, Kharkar PS, Pethe AM. Biomass and waste materials as potential sources of nanocrystalline cellulose: Comparative review of preparation methods (2016 - Till date). Carbohydr Polym 2018; 207:418-427. [PMID: 30600024 DOI: 10.1016/j.carbpol.2018.12.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/19/2018] [Accepted: 12/04/2018] [Indexed: 02/05/2023]
Abstract
Nanocrystalline cellulose (NCC) has gained much popularity over the last decade as a preferred nanomaterial in varied applications, despite its laborious industrial production and higher cost. Its production methods have undergone a great deal of metamorphosis lately. The main emphasis has been on the environment-friendly and green processes, in addition to the sustainable and renewable feedstock. Globally, the researchers have explored biomass and waste cellulosic materials as renewable sources for NCC extraction. Newer and/or improved process alternatives, e.g., ultrasonication, enzymatic hydrolysis and mechanical treatments have been applied successfully for producing high-quality material. Detailed investigations on optimizing the overall yield from cheaper feedstock have yielded obvious benefits. This is still work in progress. The present review majorly focuses on the advances made in the NCC preparation field from biomass and waste cellulosic materials in last three years (2016 - till date). Collaborative efforts between chemical engineers and research scientists are crucial for the success of this really amazing nanomaterial.
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Affiliation(s)
- Shweta Mishra
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's NMIMS (Deemed to be University), Vile Parle (W), Mumbai, 400 056, India
| | - Prashant S Kharkar
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's NMIMS (Deemed to be University), Vile Parle (W), Mumbai, 400 056, India
| | - Anil M Pethe
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's NMIMS (Deemed to be University), Vile Parle (W), Mumbai, 400 056, India.
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125
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Kumar V, Binod P, Sindhu R, Gnansounou E, Ahluwalia V. Bioconversion of pentose sugars to value added chemicals and fuels: Recent trends, challenges and possibilities. BIORESOURCE TECHNOLOGY 2018; 269:443-451. [PMID: 30217725 DOI: 10.1016/j.biortech.2018.08.042] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 08/09/2018] [Accepted: 08/12/2018] [Indexed: 05/12/2023]
Abstract
Most of the crop plants contain about 30% of hemicelluloses comprising D-xylose and D-arabinose. One of the major limitation for the use of pentose sugars is that high purity grade D-xylose and D-arabinose are yet to be produced as commodity chemicals. Research and developmental activities are going on in this direction for their use as platform intermediates through economically viable strategies. During chemical pretreatment of biomass, the pentose sugars were generated in the liquid stream along with other compounds. This contains glucose, proteins, phenolic compounds, minerals and acids other than pentose sugars. Arabinose is present in small amounts, which can be used for the economic production of value added compound, xylitol. The present review discusses the recent trends and developments as well as challenges and opportunities in the utilization of pentose sugars generated from lignocellulosic biomass for the production of value added compounds.
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Affiliation(s)
- Vinod Kumar
- Center of Innovative and Applied Bioprocessing, Sector 81, Mohali 160071, Punjab, India
| | - Parameswaran Binod
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695019, Kerala, India
| | - Raveendran Sindhu
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695019, Kerala, India
| | - Edgard Gnansounou
- Bioenergy and Energy Planning Research Group, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Vivek Ahluwalia
- Center of Innovative and Applied Bioprocessing, Sector 81, Mohali 160071, Punjab, India.
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126
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Sosa-Hernández JE, Escobedo-Avellaneda Z, Iqbal HMN, Welti-Chanes J. State-of-the-Art Extraction Methodologies for Bioactive Compounds from Algal Biome to Meet Bio-Economy Challenges and Opportunities. Molecules 2018; 23:E2953. [PMID: 30424551 PMCID: PMC6278541 DOI: 10.3390/molecules23112953] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 11/01/2018] [Accepted: 11/04/2018] [Indexed: 02/05/2023] Open
Abstract
Over the years, significant research efforts have been made to extract bioactive compounds by applying different methodologies for various applications. For instance, the use of bioactive compounds in several commercial sectors such as biomedical, pharmaceutical, cosmeceutical, nutraceutical and chemical industries, has promoted the need of the most suitable and standardized methods to extract these bioactive constituents in a sophisticated and cost-effective manner. In practice, several conventional extraction methods have numerous limitations, e.g., lower efficacy, high energy cost, low yield, etc., thus urges for new state-of-the-art extraction methodologies. Thus, the optimization along with the integration of efficient pretreatment strategies followed by traditional extraction and purification processes, have been the primary goal of current research and development studies. Among different sources, algal biome has been found as a promising and feasible source to extract a broader spectrum of bioactive compounds with point-of-care application potentialities. As evident from the literature, algal bio-products includes biofuels, lipids, polyunsaturated fatty acids, pigments, enzymes, polysaccharides, and proteins. The recovery of products from algal biomass is a matter of constant development and progress. This review covers recent advancements in the extraction methodologies such as enzyme-assisted extraction (EAE), supercritical-fluid extraction (SFE), microwave-assisted extraction (MAE) and pressurized-liquid extraction (PLF) along with their working mechanism for extracting bioactive compounds from algal-based sources to meet bio-economy challenges and opportunities. A particular focus has been given to design characteristics, performance evaluation, and point-of-care applications of different bioactive compounds of microalgae. The previous and recent studies on the anticancer, antibacterial, and antiviral potentialities of algal-based bioactive compounds have also been discussed with particular reference to the mechanism underlying the effects of these active constituents with the related pathways. Towards the end, the information is also given on the possible research gaps, future perspectives and concluding remarks.
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Affiliation(s)
- Juan Eduardo Sosa-Hernández
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología FEMSA, Ave. Eugenio Garza Sada 2501, C.P. 64849 Monterrey, N.L., Mexico.
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Fernandes TG, López JA, Silva LA, Polizeli MDLTM, Silva DP, Ruzene DS, Carvalho MLS, Carvalho ÍF. Prospecting of soybean hulls as an inducer carbon source for the cellulase production. Prep Biochem Biotechnol 2018; 48:743-749. [PMID: 30265206 DOI: 10.1080/10826068.2018.1508039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/05/2018] [Accepted: 07/07/2018] [Indexed: 12/21/2022]
Abstract
Cellulases constitute an enzymatic complex involved in the cellulose hydrolysis β-1, 4-glycosidic linkages to release of glucose. Therefore, its application to degrade agro-industrial residues becomes relevant, since glucose is a product of industrial interest, aiming at its conversion into biocommodity production (e.g., enzymes, bioethanol and other value-added biochemicals). Thus, in natura Soybean hulls as well as fractions obtained from its alkaline, autohydrolysis and organosolv pretreatments were used as carbon sources in submerged fermentation processes to evaluate the cellulase-inducing capacity using a Penicillium sp. strain. Results showed an inductive effect on the production of 0.130 and 0.066 U/mL for CMCase and FPase, respectively, using 1% of the in natura residue. Regarding the fraction obtained from soybean hulls pretreated by autohydrolysis and organosolv, avicelase and β-Glucosidase displayed a production of 0.200 and 0.550 U/mL, respectively. Therefore, the use of pretreated Soybean hull revealed its potential as an alternative carbon source for the cellulase production, which may contribute significantly to biotechnological purposes by adding value to an agro-industrial residue.
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Affiliation(s)
- Thayná G Fernandes
- a Faculdade de Ciências Agrárias, Biológicas e da Saúde, Universidade do Estado de Mato Grosso , Tangará da Serra , MT , Brasil
| | - Jorge A López
- b Programa de Pós-Graduação em Biotecnologia Industrial , Universidade Tiradentes/Instituto de Tecnologia e Pesquisa , Aracaju , SE , Brasil
| | - Luana A Silva
- c Centro de Ciências Exatas e Tecnologia , Universidade Federal de Sergipe , São Cristóvão , SE , Brasil
| | - Maria de Lourdes T M Polizeli
- d Departamento de Biologia, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , SP , Brasil
| | - Daniel P Silva
- c Centro de Ciências Exatas e Tecnologia , Universidade Federal de Sergipe , São Cristóvão , SE , Brasil
| | - Denise S Ruzene
- c Centro de Ciências Exatas e Tecnologia , Universidade Federal de Sergipe , São Cristóvão , SE , Brasil
| | - Maurecilne L S Carvalho
- a Faculdade de Ciências Agrárias, Biológicas e da Saúde, Universidade do Estado de Mato Grosso , Tangará da Serra , MT , Brasil
| | - Ílio F Carvalho
- a Faculdade de Ciências Agrárias, Biológicas e da Saúde, Universidade do Estado de Mato Grosso , Tangará da Serra , MT , Brasil
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128
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Opportunities, challenges, and future perspectives of succinic acid production by Actinobacillus succinogenes. Appl Microbiol Biotechnol 2018; 102:9893-9910. [PMID: 30259101 DOI: 10.1007/s00253-018-9379-5] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 09/04/2018] [Accepted: 09/06/2018] [Indexed: 12/21/2022]
Abstract
Due to environmental issues and the depletion of fossil-based resources, ecofriendly sustainable biomass-based chemical production has been given more attention recently. Succinic acid (SA) is one of the top value added bio-based chemicals. It can be synthesized through microbial fermentation using various waste steam bioresources. Production of chemicals from waste streams has dual function as it alleviates environmental concerns; they could have caused because of their improper disposal and transform them into valuable products. To date, Actinobacillus succinogenes is termed as the best natural SA producer. However, few reviews regarding SA production by A. succinogenes were reported. Herewith, pathways and metabolic engineering strategies, biomass pretreatment and utilization, and process optimization related with SA fermentation by A. succinogenes were discussed in detail. In general, this review covered vital information including merits, achievements, progresses, challenges, and future perspectives in SA production using A. succinogenes. Therefore, it is believed that this review will provide platform to understand the potential of the strain and tackle existing hurdles so as to develop superior strain for industrial applications. It will also be used as a baseline for identification, isolation, and improvement of other SA-producing microbes.
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129
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Benali M, Jeaidi J, Mansoornejad B, Ajao O, Gilani B, Ghavidel Mehr N. Decision support systems for assessment of biorefinery transformation strategies. CAN J CHEM ENG 2018. [DOI: 10.1002/cjce.23301] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Marzouk Benali
- Natural Resources Canada; CanmetENERGY; Varennes Québec Canada
| | - Jawad Jeaidi
- Natural Resources Canada; CanmetENERGY; Varennes Québec Canada
| | | | - Olumoye Ajao
- Natural Resources Canada; CanmetENERGY; Varennes Québec Canada
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130
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Biodegradable lignocellulosic porous materials: Fabrication, characterization and its application in water processing. Int J Biol Macromol 2018; 115:846-852. [DOI: 10.1016/j.ijbiomac.2018.04.133] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 04/13/2018] [Accepted: 04/24/2018] [Indexed: 11/18/2022]
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131
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Carvalho DRD, Carli S, Meleiro LP, Rosa JC, Oliveira AHCD, Jorge JA, Furriel RPM. A halotolerant bifunctional β-xylosidase/α-l-arabinofuranosidase from Colletotrichum graminicola: Purification and biochemical characterization. Int J Biol Macromol 2018; 114:741-750. [DOI: 10.1016/j.ijbiomac.2018.03.111] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 03/19/2018] [Accepted: 03/21/2018] [Indexed: 01/09/2023]
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132
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Zebec Z, Scrutton NS. Genome Editing for the Production of Natural Products inEscherichia coli. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/adbi.201800056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Ziga Zebec
- Manchester Institute of Biotechnology and School of Chemistry; The University of Manchester; Manchester M1 7DN UK
| | - Nigel S. Scrutton
- Manchester Institute of Biotechnology and School of Chemistry; The University of Manchester; Manchester M1 7DN UK
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133
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Terán Hilares R, Kamoei DV, Ahmed MA, da Silva SS, Han JI, Santos JCD. A new approach for bioethanol production from sugarcane bagasse using hydrodynamic cavitation assisted-pretreatment and column reactors. ULTRASONICS SONOCHEMISTRY 2018; 43:219-226. [PMID: 29555278 DOI: 10.1016/j.ultsonch.2018.01.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 01/17/2018] [Accepted: 01/20/2018] [Indexed: 06/08/2023]
Abstract
Hydrodynamic cavitation (HC) was adopted to assist alkaline-hydrogen peroxide pretreatment of sugarcane bagasse (SCB). In the following condition: 0.29 M of NaOH, 0.78% (v/v) of H2O2, 9.95 min of process time and 3 bar of inlet pressure, 95.4% of digestibility of cellulosic fraction was achieved. To take the best use of the pretreated biomass, the overall process was intensified by way of employing a packed bed flow-through column reactor and thus enabling to handle a high solid loading of 20%, thereby leading to cellulose and hemicellulose conversions to 74.7% and 75%, respectively. In the fermentation step, a bubble column reactor was introduced to maximize ethanol production from the pretreated SCB by Scheffersomyces stipitis NRRL-Y7124, resulting in 31.50 g/L of ethanol, 0.49 g/g of ethanol yield and 0.68 g/L.h of productivity. All this showed that our HC-assisted NaOH-H2O2 pretreatment strategy along with the process intensification approach might offer an option for SCB-based biorefineries.
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Affiliation(s)
- Ruly Terán Hilares
- Department of Biotechnology, Engineering School of Lorena, University of São Paulo, CEP 12602-810, Brazil.
| | - Douglas Viana Kamoei
- Department of Biotechnology, Engineering School of Lorena, University of São Paulo, CEP 12602-810, Brazil
| | - Muhammad Ajaz Ahmed
- Department of Civil and Environmental Engineering, KAIST, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Silvio Silvério da Silva
- Department of Biotechnology, Engineering School of Lorena, University of São Paulo, CEP 12602-810, Brazil
| | - Jong-In Han
- Department of Civil and Environmental Engineering, KAIST, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Júlio César Dos Santos
- Department of Biotechnology, Engineering School of Lorena, University of São Paulo, CEP 12602-810, Brazil
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134
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Terán Hilares R, de Souza RA, Marcelino PF, da Silva SS, Dragone G, Mussatto SI, Santos JC. Sugarcane bagasse hydrolysate as a potential feedstock for red pigment production by Monascus ruber. Food Chem 2018; 245:786-791. [DOI: 10.1016/j.foodchem.2017.11.111] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 11/08/2017] [Accepted: 11/29/2017] [Indexed: 10/18/2022]
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135
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Rocha-Martín J, Martínez-Bernal C, Zamorano LS, Reyes-Sosa FM, Díez García B. Inhibition of enzymatic hydrolysis of pretreated corn stover and sugar cane straw by laccases. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.01.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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136
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Bilal M, Iqbal HM, Hu H, Wang W, Zhang X. Metabolic engineering and enzyme-mediated processing: A biotechnological venture towards biofuel production – A review. RENEWABLE & SUSTAINABLE ENERGY REVIEWS 2018. [DOI: 10.1016/j.rser.2017.09.070] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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137
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Zuin VG, Ramin LZ. Green and Sustainable Separation of Natural Products from Agro-Industrial Waste: Challenges, Potentialities, and Perspectives on Emerging Approaches. Top Curr Chem (Cham) 2018; 376:3. [PMID: 29344754 PMCID: PMC5772139 DOI: 10.1007/s41061-017-0182-z] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 12/26/2017] [Indexed: 02/07/2023]
Abstract
New generations of biorefinery combine innovative biomass waste resources from different origins, chemical extraction and/or synthesis of biomaterials, biofuels, and bioenergy via green and sustainable processes. From the very beginning, identifying and evaluating all potentially high value-added chemicals that could be removed from available renewable feedstocks requires robust, efficient, selective, reproducible, and benign analytical approaches. With this in mind, green and sustainable separation of natural products from agro-industrial waste is clearly attractive considering both socio-environmental and economic aspects. In this paper, the concepts of green and sustainable separation of natural products will be discussed, highlighting the main studies conducted on this topic over the last 10 years. The principal analytical techniques (such as solvent, microwave, ultrasound, and supercritical treatments), by-products (e.g., citrus, coffee, corn, and sugarcane waste) and target compounds (polyphenols, proteins, essential oils, etc.) will be presented, including the emerging green and sustainable separation approaches towards bioeconomy and circular economy contexts.
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Affiliation(s)
- Vânia G Zuin
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luís, km 235, São Carlos, 13565-905, Brazil.
- Green Chemistry Centre of Excellence, University of York, North Yorkshire, YO10 5DD, UK.
| | - Luize Z Ramin
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luís, km 235, São Carlos, 13565-905, Brazil
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138
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Abstract
Rapid depletion of fossil fuels worldwide presents a dire situation demanding a potential replacement to surmount the current energy crisis. Lignocellulose presents a logical candidate to be exploited at industrial scale owing to its vast availability, inexpensive and renewable nature. Microbial degradation of lignocellulosic biomass is a lucrative, sustainable, and promising approach to obtain valuable commercial commodities at gigantic scale. The enzymatic hydrolysis involving cellulases is fundamental to all the technologies needed to transform lignocellulosic biomass to valuable industry relevant products. Cellulases have enormous potential to utilize cellulosic biomass, thus reducing environmental stress in addition to production of commodity chemicals resolving the current challenge to meet the energy needs globally. The substitution of petroleum-based fuels with bio-based fuels is the subject of thorough research establishing biofuel production as the future technology to achieve a sustainable, eco-friendly society with a zero waste approach.
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Affiliation(s)
| | - Amita Sharma
- Shaheed Udham Singh College of Research and Technology, Mohali, India
| | - Raman Soni
- Department of Biotechnology, D.A.V. College, Chandigarh, India
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139
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Alemán-Nava GS, Gatti IA, Parra-Saldivar R, Dallemand JF, Rittmann BE, Iqbal HM. Biotechnological revalorization of Tequila waste and by-product streams for cleaner production – A review from bio-refinery perspective. JOURNAL OF CLEANER PRODUCTION 2018. [DOI: 10.1016/j.jclepro.2017.07.134] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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140
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Aulitto M, Fusco FA, Fiorentino G, Bartolucci S, Contursi P, Limauro D. A thermophilic enzymatic cocktail for galactomannans degradation. Enzyme Microb Technol 2017; 111:7-11. [PMID: 29421040 DOI: 10.1016/j.enzmictec.2017.12.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/27/2017] [Accepted: 12/28/2017] [Indexed: 11/26/2022]
Abstract
The full utilization of hemicellulose sugars (pentose and exose) present in lignocellulosic material, is required for an efficient bio-based fuels and chemicals production. Two recombinant thermophilic enzymes, an endo-1,4-β-mannanase from Dictyoglomus turgidum (DturCelB) and an α-galactosidase from Thermus thermophilus (TtGalA), were assayed at 80 °C, to assess their heterosynergystic association on galactomannans degradation, particularly abundant in hemicellulose. The enzymes were tested under various combinations simultaneously and sequentially, in order to estimate the optimal conditions for the release of reducing sugars. The results showed that the most efficient degree of synergy was obtained in simultaneous assay with a protein ratio of 25% of DturCelB and 75% of TtGalA, using Locust bean gum as substrate. On the other hand, the mechanism of action was demonstrated through the sequential assays, i.e. when TtGalA acting as first to enhance the subsequent hydrolysis performed by DturCelB. The synergistic association between the thermophilic enzymes herein described has an high potential application to pre-hydrolyse the lignocellulosic biomasses right after the pretreatment, prior to the conventional saccharification step.
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Affiliation(s)
- Martina Aulitto
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Francesca Anna Fusco
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Gabriella Fiorentino
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Simonetta Bartolucci
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Patrizia Contursi
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy.
| | - Danila Limauro
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
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141
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Marine-derived bioactive compounds for value-added applications in bio- and non-bio sectors. JOURNAL OF CLEANER PRODUCTION 2017. [DOI: 10.1016/j.jclepro.2017.05.086] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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de la Torre I, Ravelo M, Segarra S, Tortajada M, Santos VE, Ladero M. Study on the effects of several operational variables on the enzymatic batch saccharification of orange solid waste. BIORESOURCE TECHNOLOGY 2017; 245:906-915. [PMID: 28931207 DOI: 10.1016/j.biortech.2017.08.094] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 08/14/2017] [Accepted: 08/16/2017] [Indexed: 06/07/2023]
Abstract
In this work, batch enzyme-aided extraction and enzymatic saccharification of blade-milled orange waste was studied. The operation variables for this process were thoroughly analysed. It was determined that batch runs with initial pH values of 5.0 and 5.2 controlled during the first hour, 50°C and 300-500r.p.m. agitation resulted in the best yields, with a limited total and partial first-order enzyme deactivation (for cellulases and polygalacturonidase, respectively). Orange peel waste (OPW) at 6.7% w/w dry solid, 0.22 filter paper units (FPU)/g DS and proportional activities of other enzymes led to over 40g/L free monosaccharides and global yields to glucose over 80%. When using 10.1% w/w DS in these conditions, glucose yield was 63%, with total monosaccharide concentration on top of 50g/L. Similar concentrations were obtained by additional partial drying of OPW to 60% humidity at DS/L ratios near 7.5% (glucose yield >80%).
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Affiliation(s)
- Isabel de la Torre
- Chemical Engineering Department, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Marianela Ravelo
- Chemical Engineering Department, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Silvia Segarra
- BIOPOLIS, S.L., Parc Científic Universitat de València, 46980, Paterna, Valencia, Spain
| | - Marta Tortajada
- BIOPOLIS, S.L., Parc Científic Universitat de València, 46980, Paterna, Valencia, Spain
| | - Victoria E Santos
- Chemical Engineering Department, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Miguel Ladero
- Chemical Engineering Department, Universidad Complutense de Madrid, 28040 Madrid, Spain.
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143
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Meleiro LP, Carli S, Fonseca-Maldonado R, da Silva Torricillas M, Zimbardi ALRL, Ward RJ, Jorge JA, Furriel RPM. Overexpression of a Cellobiose-Glucose-Halotolerant Endoglucanase from Scytalidium thermophilum. Appl Biochem Biotechnol 2017; 185:316-333. [PMID: 29150773 DOI: 10.1007/s12010-017-2660-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 11/13/2017] [Indexed: 11/28/2022]
Abstract
Enzyme reaction products and by-products from pretreatment steps can inhibit endoglucanases and are major factors limiting the efficiency of enzymatic lignocellulosic biomass hydrolysis. The gene encoding the endoglucanase from Scytalidium thermophilum (egst) was cloned and expressed as a soluble protein in Pichia pastoris GS115. The recombinant enzyme (Egst) was monomeric (66 kDa) and showed an estimated carbohydrate content of 53.3% (w/w). The optimum temperature and pH of catalysis were 60-70 °C and pH of 5.5, respectively. The enzyme was highly stable at pH 3.0-8.0 with a half-life in water of 100 min at 65 °C. The Egst presented good halotolerance, retaining 84.1 and 71.4% of the control activity in the presence of 0.5 and 2.0 mol L-1 NaCl, respectively. Hydrolysis of medium viscosity carboxymethylcellulose (CMC) by Egst was stimulated 1.77-, 1.84-, 1.64-, and 1.8-fold by dithiothreitol, β-mercaptoethanol, cysteine, and manganese at 10, 10, 10, and 5 mmol L-1 concentration, respectively. The enzyme hydrolyzed CMC with maximal velocity and an apparent affinity constant of 432.10 ± 16.76 and 10.5 ± 2.53 mg mL-1, respectively. Furthermore, the Egst was tolerant to reaction products and able to act on pretreated fractions sugarcane bagasse demonstrating excellent properties for application in the hydrolysis of lignocellulosic biomass.
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Affiliation(s)
- Luana Parras Meleiro
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil.
| | - Sibeli Carli
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | | | - Marcela da Silva Torricillas
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Ana Lucia Ribeiro Latorre Zimbardi
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Richard John Ward
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - João Atílio Jorge
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Rosa Prazeres Melo Furriel
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
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144
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De La Torre M, Martín-Sampedro R, Fillat Ú, Eugenio ME, Blánquez A, Hernández M, Arias ME, Ibarra D. Comparison of the efficiency of bacterial and fungal laccases in delignification and detoxification of steam-pretreated lignocellulosic biomass for bioethanol production. ACTA ACUST UNITED AC 2017; 44:1561-1573. [DOI: 10.1007/s10295-017-1977-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 09/05/2017] [Indexed: 11/30/2022]
Abstract
Abstract
This study evaluates the potential of a bacterial laccase from Streptomyces ipomoeae (SilA) for delignification and detoxification of steam-exploded wheat straw, in comparison with a commercial fungal laccase from Trametes villosa. When alkali extraction followed by SilA laccase treatment was applied to the water insoluble solids fraction, a slight reduction in lignin content was detected, and after a saccharification step, an increase in both glucose and xylose production (16 and 6%, respectively) was observed. These effects were not produced with T. villosa laccase. Concerning to the fermentation process, the treatment of the steam-exploded whole slurry with both laccases produced a decrease in the phenol content by up to 35 and 71% with bacterial and fungal laccases, respectively. The phenols reduction resulted in an improved performance of Saccharomyces cerevisiae during a simultaneous saccharification and fermentation (SSF) process, improving ethanol production rate. This enhancement was more marked with a presaccharification step prior to the SSF process.
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Affiliation(s)
- María De La Torre
- 0000 0004 1937 0239 grid.7159.a Departamento de Biomedicina y Biotecnología Universidad de Alcalá Autovía A-2, Km 33.600 28805 Alcalá De Henares Madrid Spain
| | | | - Úrsula Fillat
- Forestry Products Department INIA-CIFOR Ctra. de La Coruña Km 7.5 28040 Madrid Spain
| | - María E Eugenio
- Forestry Products Department INIA-CIFOR Ctra. de La Coruña Km 7.5 28040 Madrid Spain
| | - Alba Blánquez
- 0000 0004 1937 0239 grid.7159.a Departamento de Biomedicina y Biotecnología Universidad de Alcalá Autovía A-2, Km 33.600 28805 Alcalá De Henares Madrid Spain
| | - Manuel Hernández
- 0000 0004 1937 0239 grid.7159.a Departamento de Biomedicina y Biotecnología Universidad de Alcalá Autovía A-2, Km 33.600 28805 Alcalá De Henares Madrid Spain
| | - María E Arias
- 0000 0004 1937 0239 grid.7159.a Departamento de Biomedicina y Biotecnología Universidad de Alcalá Autovía A-2, Km 33.600 28805 Alcalá De Henares Madrid Spain
| | - David Ibarra
- Forestry Products Department INIA-CIFOR Ctra. de La Coruña Km 7.5 28040 Madrid Spain
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145
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Delignification of Lignocellulose Biomasses by Alginate–Chitosan Immobilized Laccase Produced from Trametes versicolor IBL-04. WASTE AND BIOMASS VALORIZATION 2017. [DOI: 10.1007/s12649-017-9991-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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146
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Aulitto M, Fusco S, Bartolucci S, Franzén CJ, Contursi P. Bacillus coagulans MA-13: a promising thermophilic and cellulolytic strain for the production of lactic acid from lignocellulosic hydrolysate. BIOTECHNOLOGY FOR BIOFUELS 2017; 10:210. [PMID: 28904563 PMCID: PMC5590179 DOI: 10.1186/s13068-017-0896-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 08/28/2017] [Indexed: 05/15/2023]
Abstract
BACKGROUND The transition from a petroleum-based economy towards more sustainable bioprocesses for the production of fuels and chemicals (circular economy) is necessary to alleviate the impact of anthropic activities on the global ecosystem. Lignocellulosic biomass-derived sugars are suitable alternative feedstocks that can be fermented or biochemically converted to value-added products. An example is lactic acid, which is an essential chemical for the production of polylactic acid, a biodegradable bioplastic. However, lactic acid is still mainly produced by Lactobacillus species via fermentation of starch-containing materials, the use of which competes with the supply of food and feed. RESULTS A thermophilic and cellulolytic lactic acid producer was isolated from bean processing waste and was identified as a new strain of Bacillus coagulans, named MA-13. This bacterium fermented lignocellulose-derived sugars to lactic acid at 55 °C and pH 5.5. Moreover, it was found to be a robust strain able to tolerate high concentrations of hydrolysate obtained from wheat straw pre-treated by acid-catalysed (pre-)hydrolysis and steam explosion, especially when cultivated in controlled bioreactor conditions. Indeed, unlike what was observed in microscale cultivations (complete growth inhibition at hydrolysate concentrations above 50%), B. coagulans MA-13 was able to grow and ferment in 95% hydrolysate-containing bioreactor fermentations. This bacterium was also found to secrete soluble thermophilic cellulases, which could be produced at low temperature (37 °C), still retaining an optimal operational activity at 50 °C. CONCLUSIONS The above-mentioned features make B. coagulans MA-13 an appealing starting point for future development of a consolidated bioprocess for production of lactic acid from lignocellulosic biomass, after further strain development by genetic and evolutionary engineering. Its optimal temperature and pH of growth match with the operational conditions of fungal enzymes hitherto employed for the depolymerisation of lignocellulosic biomasses to fermentable sugars. Moreover, the robustness of B. coagulans MA-13 is a desirable trait, given the presence of microbial growth inhibitors in the pre-treated biomass hydrolysate.
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Affiliation(s)
- Martina Aulitto
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | - Salvatore Fusco
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | - Simonetta Bartolucci
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Carl Johan Franzén
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | - Patrizia Contursi
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Naples, Italy
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