1
|
El-Khamisi EF, Soliman EAM, El-Sayed GM, Nour SA, Abdel-Monem MO, Hassan MG. Optimization, gene cloning, expression, and molecular docking insights for enhanced cellulase enzyme production by Bacillus amyloliquefaciens strain elh1. Microb Cell Fact 2024; 23:191. [PMID: 38956640 PMCID: PMC11218070 DOI: 10.1186/s12934-024-02454-6] [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: 03/21/2024] [Accepted: 06/07/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND In this study, we isolated a cellulase-producing bacterium, Bacillus amyloliquefaciens strain elh, from rice peel. We employed two optimization methods to enhance the yield of cellulase. Firstly, we utilized a one-variable-at-a-time (OVAT) approach to evaluate the impact of individual physical and chemical parameters. Subsequently, we employed response surface methodology (RSM) to investigate the interactions among these factors. We heterologously expressed the cellulase encoding gene using a cloning vectorin E. coli DH5α. Moreover, we conducted in silico molecular docking analysis to analyze the interaction between cellulase and carboxymethyl cellulose as a substrate. RESULTS The bacterial isolate eh1 exhibited an initial cellulase activity of 0.141 ± 0.077 U/ml when cultured in a specific medium, namely Basic Liquid Media (BLM), with rice peel as a substrate. This strain was identified as Bacillus amyloliquefaciens strain elh1 through 16S rRNA sequencing, assigned the accession number OR920278 in GenBank. The optimal incubation time was found to be 72 h of fermentation. Urea was identified as the most suitable nitrogen source, and dextrose as the optimal sugar, resulting in a production increase to 5.04 ± 0.120 U/ml. The peak activity of cellulase reached 14.04 ± 0.42 U/ml utilizing statistical optimization using Response Surface Methodology (RSM). This process comprised an initial screening utilizing the Plackett-Burman design and further refinement employing the BOX -Behnken Design. The gene responsible for cellulase production, egl, was effectively cloned and expressed in E. coli DH5α. The transformed cells exhibited a cellulase activity of 22.3 ± 0.24 U/ml. The egl gene sequence was deposited in GenBank with the accession number PP194445. In silico molecular docking revealed that the two hydroxyl groups of carboxymethyl cellulose bind to the residues of Glu169 inside the binding pocket of the CMCase. This interaction forms two hydrogen bonds, with an affinity score of -5.71. CONCLUSIONS Optimization of cultural conditions significantly enhances the yield of cellulase enzyme when compared to unoptimized culturing conditions. Additionally, heterologous expression of egl gene showed that the recombinant form of the cellulase is active and that a valid expression system can contribute to a better yield of the enzyme.
Collapse
Affiliation(s)
- Elham F El-Khamisi
- Microbial Genetics Department, Biotechnology Research Institute, National Research Centre, 33 El-Bohouth St., (Former El-Tahrir St.) Dokki, P.O. 12622, Giza, Egypt
| | - Effat A M Soliman
- Microbial Genetics Department, Biotechnology Research Institute, National Research Centre, 33 El-Bohouth St., (Former El-Tahrir St.) Dokki, P.O. 12622, Giza, Egypt
| | - Ghada M El-Sayed
- Microbial Genetics Department, Biotechnology Research Institute, National Research Centre, 33 El-Bohouth St., (Former El-Tahrir St.) Dokki, P.O. 12622, Giza, Egypt
| | - Shaimaa A Nour
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Giza, Egypt.
| | - Mohamed O Abdel-Monem
- Botany and Microbiology Department, Faculty of Science, Benha University, Benha, 13511, Egypt
| | - Mervat G Hassan
- Botany and Microbiology Department, Faculty of Science, Benha University, Benha, 13511, Egypt
| |
Collapse
|
2
|
Rajesh R, Gummadi SN. Purification and biochemical characterization of novel α-amylase and cellulase from Bacillus sp. PM06. Prep Biochem Biotechnol 2024; 54:796-808. [PMID: 38141162 DOI: 10.1080/10826068.2023.2288574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2023]
Abstract
Bacillus sp. PM06, previously isolated from sugarcane waste pressmud, could produce dual enzymes α-amylase and cellulase. The isolate's crude enzymes were purified homogeneously using ammonium sulfate precipitation followed by High Quaternary amine anion exchange chromatography. Purified enzymes revealed the molecular weights of α-amylase and cellulase as 55 and 52 kDa, with a purification fold of 15.4 and 11.5, respectively. The specific activity of purified α-amylase and cellulase were 740.7 and 555.6 U/mg, respectively. It demonstrated a wide range of activity from pH 5.0 to 8.5, with an optimum pH of 5.5 and 6.4 for α-amylase and cellulase. The optimum temperature was 50 °C for α-amylase and 60 °C for cellulase. The kinetic parameters of purified α-amylase were 741.5 ± 3.75 µmol/min/mg, 1.154 ± 0.1 mM, and 589 ± 3.5/(s mM), using starch as a substrate. Whereas cellulase showed 556.3 ± 1.3 µmol/min/mg, 1.78 ± 0.1 mM, and 270.9 ± 3.8/(s mM) of Vmax, Km, Kcat/Km, respectively, using carboxymethyl cellulose (CMC) as substrate. Among the various substrates tested, α-amylase had a higher specificity for amylose and CMC for cellulase. Different inhibitors and activators were also examined. Ca2+ Mg2+, Co2+, and Mn2+ boosted α-amylase and cellulase activities. Cu2+ and Ni2+ both inhibited the enzyme activities. Enzymatic saccharification of wheat bran yielded 253.61 ± 1.7 and 147.5 ± 1.0 mg/g of reducing sugar within 12 and 24 h of incubation when treated with purified α-amylase and cellulase. A more significant amount of 397.7 ± 1.9 mg/g reducing sugars was released from wheat bran due to the synergetic effect of two enzymes. According to scanning electron micrograph analysis, wheat bran was effectively broken down by both enzymes.
Collapse
Affiliation(s)
- Rekha Rajesh
- Applied and Industrial Microbiology Laboratory, Department of Biotechnology, BJM School of Biosciences, Indian Institute of Technology Madras, Chennai, India
| | - Sathyanarayana N Gummadi
- Applied and Industrial Microbiology Laboratory, Department of Biotechnology, BJM School of Biosciences, Indian Institute of Technology Madras, Chennai, India
| |
Collapse
|
3
|
Marchal L, Bello A, Archer G, Sobotik EB, Dersjant-Li Y. Total replacement of soybean meal with alternative plant-based ingredients and a combination of feed additives in broiler diets from 1 day of age during the whole growing period. Poult Sci 2024; 103:103854. [PMID: 38815497 PMCID: PMC11170138 DOI: 10.1016/j.psj.2024.103854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 05/01/2024] [Accepted: 05/10/2024] [Indexed: 06/01/2024] Open
Abstract
The capacity of combinations of feed enzymes, natural betaine and a probiotic, combined with alternative plant-based ingredients, to totally replace soybean meal (SBM) in a broiler diet was evaluated. Day-old Ross 308 males (2,574) were assigned to 9 treatments (13 pens/treatment, 22 birds/pen) in a completely randomized design. All diets were pelleted and fed ad libitum in 4 phases: starter, grower, finisher 1, finisher 2 (0-10, 10-21, 21-35, and 35-42 d of age, respectively). Treatments included: 1) control diet containing SBM (SBM control), supplemented with phytase (PhyG), at 2,000, 1,500, 1000 and 1,000 FTU/kg in each phase and xylanase (X) at 750 U/kg, [crude protein (CP): 23.5%, 22.0%, 20.2% and 19.3% in each phase]; 2) to 5), alternative (ALT), SBM-free diets, containing the same CP level as the control ("CP high"), supplemented with PhyG as in the control, protease (P, 800 U/kg) and in 2) xylanase (750 U/kg) (ALT+PhyG+P+X), 3) xylanase-β-glucanase (XB, 1,200 U/kg and 152 U/kg) (Alt+PhyG+P+XB), 4) XB plus betaine (800 g/ton) (ALT+PhyG+P+XB+Bet), and 5) XB plus a probiotic [150,000 colony forming units (CFU)/g] (ALT+PhyG+P+XB+Prob); 6) to 9) as treatments 2) to 5) but with CP reduced by -2.0 to -1.5% points vs. control ('CP low'). Final (d 42) BW and overall (d 0-42) feed conversion ratio (FCR) of birds fed the SBM control exceeded breeder objectives (+3.8% and -1.9%, respectively). Overall FCR was reduced and d 42 BW increased in birds fed "low" vs. "high" CP (P < 0.01). Overall FCR and feed intake were not different in ALT+PhyG+XB+P+Bet and ALT+PhyG+XB+P+Prob vs. the control, whereas final BW was reduced (P < 0.05) in all ALT treatments but close to breeder objectives (98.3%) in ALT+PhyG+XB+P+Prob. Feed costs of this treatment were similar to the control. Total replacement of SBM with alternative plant-based ingredients in a CP-low diet supplemented with hydrolytic enzymes and probiotics can achieve growth performance outcomes close to commercial breeder objectives.
Collapse
Affiliation(s)
- L Marchal
- Danisco Animal Nutrition & Health (IFF), BH Oegstgeest 2342, The Netherlands.
| | - A Bello
- Danisco Animal Nutrition & Health (IFF), BH Oegstgeest 2342, The Netherlands
| | - G Archer
- Department of Poultry Science, Texas A&M University, College Station, TX 77843-2472, USA
| | - E B Sobotik
- Department of Poultry Science, Texas A&M University, College Station, TX 77843-2472, USA
| | - Y Dersjant-Li
- Danisco Animal Nutrition & Health (IFF), BH Oegstgeest 2342, The Netherlands
| |
Collapse
|
4
|
Chang S, Yun C, Yang B, Duan J, Chen T, Liu L, Li B, Guo S, Zhang S. Comprehensive reutilization of Glycyrrhiza uralensis residue by extrusion-biological pretreatment for coproduction of flavonoids, cellulase, and ethanol. BIORESOURCE TECHNOLOGY 2024; 406:131002. [PMID: 38889869 DOI: 10.1016/j.biortech.2024.131002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 02/22/2024] [Accepted: 06/15/2024] [Indexed: 06/20/2024]
Abstract
A continuous chemical-free green approach was investigated for the comprehensive reutilization of all components in herbal extraction residues (HERs), taking Glycyrrhiza uralensis residue (GUR) as an example. The GUR structural changes induced by mechanical extrusion which improve the specific surface area and enzyme accessibility of GUR. With 3 % pretreated GUR loading of high-tolerance Penicillium oxalicum G2. The reducing sugar yield of 11.45 g/L was achieved, along with an 81.06 % in situ enzymatic hydrolysis. Finally, 8.23 g/L bioethanol (0.40 g/g total sugar) was produced from GUR hydrolysates after 24 h fermentation of Pichia stipitis G32. The amount of functional medicinal ingredients extracted from GUR after hydrolysis (39.63 mg/g) was 37.69 % greater than that of un-pretreated GUR. In total, 1.49 g flavonoids, 294.36 U cellulase, and 14.13 g ethanol could be produced from 100 g GUR using this process, illustrating that this green and efficient process has the potential for industrial production.
Collapse
Affiliation(s)
- Siyuan Chang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National Key Laboratory on Technologies for Chinese Medicine Pharmaceutical Process Control and Intelligent Manufacture, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, Jiangsu, China; Bio-based Platform Chemicals Catalysis Engineering Technology Research and Development Center of Jiangsu Province, College of Life and Health, Nanjing Polytechnic Institute, 625 Geguan Road, Nanjing 210048, Jiangsu, China
| | - Chenke Yun
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National Key Laboratory on Technologies for Chinese Medicine Pharmaceutical Process Control and Intelligent Manufacture, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, Jiangsu, China
| | - Bingqian Yang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National Key Laboratory on Technologies for Chinese Medicine Pharmaceutical Process Control and Intelligent Manufacture, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, Jiangsu, China
| | - Jinao Duan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National Key Laboratory on Technologies for Chinese Medicine Pharmaceutical Process Control and Intelligent Manufacture, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, Jiangsu, China
| | - Tianyi Chen
- Bio-based Platform Chemicals Catalysis Engineering Technology Research and Development Center of Jiangsu Province, College of Life and Health, Nanjing Polytechnic Institute, 625 Geguan Road, Nanjing 210048, Jiangsu, China
| | - Lei Liu
- Bio-based Platform Chemicals Catalysis Engineering Technology Research and Development Center of Jiangsu Province, College of Life and Health, Nanjing Polytechnic Institute, 625 Geguan Road, Nanjing 210048, Jiangsu, China
| | - Bingfeng Li
- Bio-based Platform Chemicals Catalysis Engineering Technology Research and Development Center of Jiangsu Province, College of Life and Health, Nanjing Polytechnic Institute, 625 Geguan Road, Nanjing 210048, Jiangsu, China.
| | - Sheng Guo
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National Key Laboratory on Technologies for Chinese Medicine Pharmaceutical Process Control and Intelligent Manufacture, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, Jiangsu, China
| | - Sen Zhang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National Key Laboratory on Technologies for Chinese Medicine Pharmaceutical Process Control and Intelligent Manufacture, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, Jiangsu, China.
| |
Collapse
|
5
|
Shamshitov A, Kadžienė G, Supronienė S. The Role of Soil Microbial Consortia in Sustainable Cereal Crop Residue Management. PLANTS (BASEL, SWITZERLAND) 2024; 13:766. [PMID: 38592825 PMCID: PMC10974107 DOI: 10.3390/plants13060766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 04/11/2024]
Abstract
The global escalation in cereal production, essential to meet growing population demands, simultaneously augments the generation of cereal crop residues, estimated annually at approximately 3107 × 106 Mg/year. Among different crop residue management approaches, returning them to the soil can be essential for various ecological benefits, including nutrient recycling and soil carbon sequestration. However, the recalcitrant characteristics of cereal crop residues pose significant challenges in their management, particularly in the decomposition rate. Therefore, in this review, we aim to summarize the influence of different agricultural practices on enhancing soil microbial decomposer communities, thereby effectively managing cereal crop residues. Moreover, this manuscript provides indirect estimates of cereal crop residue production in Northern Europe and Lithuania, and highlights the diverse roles of lignocellulolytic microorganisms in the decomposition process, with a particular focus on enzymatic activities. This review bridges the knowledge gap and indicates future research directions concerning the influence of agricultural practices on cereal crop residue-associated microbial consortia.
Collapse
Affiliation(s)
- Arman Shamshitov
- Laboratory of Microbiology, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania;
| | - Gražina Kadžienė
- Department of Soil and Crop Management, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania
| | - Skaidrė Supronienė
- Laboratory of Microbiology, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania;
| |
Collapse
|
6
|
Sarangi PK, Srivastava RK, Sahoo UK, Singh AK, Parikh J, Bansod S, Parsai G, Luqman M, Shadangi KP, Diwan D, Lanterbecq D, Sharma M. Biotechnological innovations in nanocellulose production from waste biomass with a focus on pineapple waste. CHEMOSPHERE 2024; 349:140833. [PMID: 38043620 DOI: 10.1016/j.chemosphere.2023.140833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 11/17/2023] [Accepted: 11/26/2023] [Indexed: 12/05/2023]
Abstract
New materials' synthesis and utilization have shown many critical challenges in healthcare and other industrial sectors as most of these materials are directly or indirectly developed from fossil fuel resources. Environmental regulations and sustainability concepts have promoted the use of natural compounds with unique structures and properties that can be biodegradable, biocompatible, and eco-friendly. In this context, nanocellulose (NC) utility in different sectors and industries is reported due to their unique properties including biocompatibility and antimicrobial characteristics. The bacterial nanocellulose (BNC)-based materials have been synthesized by bacterial cells and extracted from plant waste materials including pineapple plant waste biomass. These materials have been utilized in the form of nanofibers and nanocrystals. These materials are found to have excellent surface properties, low density, and good transparency, and are rich in hydroxyl groups for their modifications to other useful products. These materials are well utilized in different sectors including biomedical or health care centres, nanocomposite materials, supercapacitors, and polymer matrix production. This review explores different approaches for NC production from pineapple waste residues using biotechnological interventions, approaches for their modification, and wider applications in different sectors. Recent technological developments in NC production by enzymatic treatment are critically discussed. The utilization of pineapple waste-derived NC from a bioeconomic perspective is summarized in the paper. The chemical composition and properties of nanocellulose extracted from pineapple waste may have unique characteristics compared to other sources. Pineapple waste for nanocellulose production aligns with the principles of sustainability, waste reduction, and innovation, making it a promising and novel approach in the field of nanocellulose materials.
Collapse
Affiliation(s)
- Prakash Kumar Sarangi
- College of Agriculture, Central Agricultural University, Imphal, 795004, Manipur, India
| | - Rajesh Kumar Srivastava
- Department of Biotechnology, GIT, Gandhi Institute of Technology and Management (GITAM), Visakhapatnam, 530045, India
| | | | - Akhilesh Kumar Singh
- Department of Biotechnology, Mahatma Gandhi Central University, Motihari, 845401, India
| | - Jigisha Parikh
- Department of Chemical Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, 395007, Gujarat, India
| | - Shama Bansod
- Department of Chemical Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, 395007, Gujarat, India
| | - Ganesh Parsai
- Department of Chemical Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, 395007, Gujarat, India
| | - Mohammad Luqman
- Chemical Engineering Department, College of Engineering, Taibah University, Yanbu Al-Bahr-83, Al-Bandar District 41911, Kingdom of Saudi Arabia
| | - Krushna Prasad Shadangi
- Department of Chemical Engineering, Veer Surendra Sai University of Technology, Burla, Sambalpur, Odisha, 768018, India
| | - Deepti Diwan
- Washington University, School of Medicine, Saint Louis, MO, USA
| | - Deborah Lanterbecq
- Laboratoire de Biotechnologie et Biologie Appliquée, CARAH ASBL, Rue Paul Pastur, 11, Ath, 7800, Belgium
| | - Minaxi Sharma
- Laboratoire de Biotechnologie et Biologie Appliquée, CARAH ASBL, Rue Paul Pastur, 11, Ath, 7800, Belgium.
| |
Collapse
|
7
|
Zeng M, Sarker B, Howitz N, Shah I, Andrews LB. Synthetic Homoserine Lactone Sensors for Gram-Positive Bacillus subtilis Using LuxR-Type Regulators. ACS Synth Biol 2024; 13:282-299. [PMID: 38079538 PMCID: PMC10805106 DOI: 10.1021/acssynbio.3c00504] [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: 08/18/2023] [Revised: 10/11/2023] [Accepted: 10/18/2023] [Indexed: 01/23/2024]
Abstract
A universal biochemical signal for bacterial cell-cell communication could facilitate programming dynamic responses in diverse bacterial consortia. However, the classical quorum sensing paradigm is that Gram-negative and Gram-positive bacteria generally communicate via homoserine lactones (HSLs) or oligopeptide molecular signals, respectively, to elicit population responses. Here, we create synthetic HSL sensors for Gram-positive Bacillus subtilis 168 using allosteric LuxR-type regulators (RpaR, LuxR, RhlR, and CinR) and synthetic promoters. Promoters were combinatorially designed from different sequence elements (-35, -16, -10, and transcriptional start regions). We quantified the effects of these combinatorial promoters on sensor activity and determined how regulator expression affects its activation, achieving up to 293-fold activation. Using the statistical design of experiments, we identified significant effects of promoter regions and pairwise interactions on sensor activity, which helped to understand the sequence-function relationships for synthetic promoter design. We present the first known set of functional HSL sensors (≥20-fold dynamic range) in B. subtilis for four different HSL chemical signals: p-coumaroyl-HSL, 3-oxohexanoyl-HSL, n-butyryl-HSL, and n-(3-hydroxytetradecanoyl)-HSL. This set of synthetic HSL sensors for a Gram-positive bacterium can pave the way for designable interspecies communication within microbial consortia.
Collapse
Affiliation(s)
- Min Zeng
- Department
of Chemical Engineering, University of Massachusetts
Amherst, Amherst, Massachusetts 01003, United States
| | - Biprodev Sarker
- Department
of Chemical Engineering, University of Massachusetts
Amherst, Amherst, Massachusetts 01003, United States
| | - Nathaniel Howitz
- Department
of Chemical Engineering, University of Massachusetts
Amherst, Amherst, Massachusetts 01003, United States
| | - Ishita Shah
- Department
of Chemical Engineering, University of Massachusetts
Amherst, Amherst, Massachusetts 01003, United States
| | - Lauren B. Andrews
- Department
of Chemical Engineering, University of Massachusetts
Amherst, Amherst, Massachusetts 01003, United States
- Molecular
and Cellular Biology Graduate Program, University
of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
- Biotechnology
Training Program, University of Massachusetts
Amherst, Amherst, Massachusetts 01003, United States
| |
Collapse
|
8
|
Bains A, Sridhar K, Singh BN, Kuhad RC, Chawla P, Sharma M. Valorization of onion peel waste: From trash to treasure. CHEMOSPHERE 2023; 343:140178. [PMID: 37714483 DOI: 10.1016/j.chemosphere.2023.140178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 08/22/2023] [Accepted: 09/12/2023] [Indexed: 09/17/2023]
Abstract
Globally, fruits and vegetables are consumed as raw, processed, or as an additive, accounting for approximately 50% of total food wastage. Among the fruits and vegetables, onion is well known for its potential bioactive components; however, peels of onion are a major concern for the environmental health and food industries. Effective utilization methods for valorizing the onion peel should be needed to develop value-added products, which are more eco-friendly, cost-effective, and sustainable. Therefore, this review attempts to emphasize the conventional and emerging valorization techniques for onion peel waste to generate value-added products. Several vital applications including anticancerous, antiobesity, antimicrobial, and anti-inflammatory activities are thoroughly discussed. The findings showed that the use of advanced technologies like ultrasound-assisted extraction, microwave-assisted extraction, and enzymatic extraction, demonstrated improved extraction efficiency and higher yield of bioactive compounds, which showed the anticancerous, antiobesity, antimicrobial, and anti-inflammatory properties. However, in-depth studies are recommended to elucidate the mechanisms of action and potential synergistic effects of the bioactive compounds derived from onion peel waste, and to promote the sustainable utilization of onion peel waste in the long-term.
Collapse
Affiliation(s)
- Aarti Bains
- Department of Microbiology, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Kandi Sridhar
- Department of Food Technology, Karpagam Academy of Higher Education (Deemed to be University), Coimbatore, 641021, India
| | - Brahma Nand Singh
- Pharmacology Division, CSIR-National Botanical Research Institute, Lucknow, 226001, Uttar Pradesh, India
| | - Ramesh Chander Kuhad
- Sharda School of Basic Sciences and Research, Sharda University, Greater Noida - 201310, Uttar Pradesh, India; DPG Institute of Management and Technology, Sector-34, Gurugram - 122004, Haryana, India
| | - Prince Chawla
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara, 144411, Punjab, India.
| | - Minaxi Sharma
- CARAH ASBL, Rue Paul Pastur, 11, Ath, 7800, Belgium.
| |
Collapse
|
9
|
Sasimowski E, Majewski Ł, Grochowicz M. Study on the Biodegradation of Poly(Butylene Succinate)/Wheat Bran Biocomposites. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6843. [PMID: 37959440 PMCID: PMC10647723 DOI: 10.3390/ma16216843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023]
Abstract
This paper presents the results of a study investigating the biodegradation of poly(butylene succinate) (PBS)/wheat bran (WB) biocomposites. Injection mouldings were subjected to biodegradation in compost-filled bioreactors under controlled humidity and temperature conditions. The effects of composting time (14, 42 and 70 days) and WB mass content (10%, 30% and 50% wt.) on the structural and thermal properties of the samples were investigated. Measurements were made by infrared spectral analysis, scanning electron microscopy, differential scanning calorimetry, thermogravimetric analysis, and gel permeation chromatography. Results demonstrated that both the thermal and structural properties of the samples depended greatly on the biodegradation time. Specifically, their crystallinity degree increased significantly while molecular mass sharply decreased with biodegradation time, whereas their thermal resistance only showed a slight increase. This resulted from enzymatic hydrolysis that led to the breakdown of ester bonds in polymer chains. It was also found that a higher WB content led to a higher mass loss in the biocomposite samples during biodegradation and affected their post-biodegradation properties. A higher bran content increased the degree of crystallinity of the biocomposite samples but reduced their thermal resistance and molecular mass.
Collapse
Affiliation(s)
- Emil Sasimowski
- Department of Technology and Polymer Processing, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland;
| | - Łukasz Majewski
- Department of Technology and Polymer Processing, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland;
| | - Marta Grochowicz
- Department of Polymer Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, Gliniana 33, 20-614 Lublin, Poland;
| |
Collapse
|
10
|
Incorporation of Substrates and Inoculums as Operational Strategies to Promote Lignocellulose Degradation in Composting of Green Waste—A Pilot-Scale Study. Processes (Basel) 2023. [DOI: 10.3390/pr11010241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Composting is a sustainable alternative for green waste (GW) valorization contributing to the circular bioeconomy. However, the processing time must be reduced and the end-product quality must be improved. This study determined the effect of the incorporation of processed food waste (PFW), unprocessed food (UPFW), sawdust (SW), phosphate rock (PR) and a specific bacterial inoculum on GW-composting process parameters and product quality. Three treatments were evaluated in 120 kg piles: (i) TA: (GW + UPFW + PFW + inoculum), (ii) TB (GW + UPFW + PFW), and (iii) TC (GW). An inoculum of Bacillus sp. and Paenibacillus sp. was incorporated in the cooling phase for TA. On the other hand, the effect of the inoculum at the laboratory scale (20 kg reactors) was compared with that found at the pilot scale (120 kg piles). The incorporation of FW, SW, PR and the inoculum increased the amount of lignocellulose biodegradation (TA: 29.1%; TB: 22.7%; TC: 18.2%), which allowed for a reduction of up to 14 days of processing time. The product obtained for TA had a similar quality to the other two treatments, although a lower phytotoxicity was determined according to the germination index (TA: 95%; TB: 85%; and TC: 83%). The final product of TA showed the best agricultural characteristics with pH 8.3, TOC of 24.8%, TN of 1.32%, and GI of 98.8%. Finally, the scaling effect with the bacterial inoculum was shown to affect parameters such as the TOC, TN, GI, and, to a lesser extent, temperature and pH. The results obtained in this paper highlight the importance of optimizing the composting of GW, specifically with the use of co-substrates and specific inocula, which can be of interest for composting materials with a high content of lignocellulose such as GW.
Collapse
|
11
|
Sai Bharadwaj AVSL, Dev S, Zhuang J, Wang Y, Yoo CG, Jeon BH, Aggarwal S, Park SH, Kim TH. Review of chemical pretreatment of lignocellulosic biomass using low-liquid and low-chemical catalysts for effective bioconversion. BIORESOURCE TECHNOLOGY 2023; 368:128339. [PMID: 36400274 DOI: 10.1016/j.biortech.2022.128339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/13/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
Chemical pretreatment of lignocellulosic biomass (LCB) is essential for effective biological conversion in subsequent steps to produce biofuels or biochemicals. For effective pretreatment, high lignin content and its recalcitrant nature of LCB are major factors influencing bioconversion, especially lignin is known to be effectively solubilized by alkaline, organic, and deep eutectic solvents, ionic liquids, while hemicellulose is effectively dissolved by various acid catalysts and organic solvents. Depending on the pretreatment method/catalyst used, different pretreatment process scheme should be applied with different amounts of catalyst and water inputs to achieve a satisfactory effect. In addition, the amount of processing water required in the following processes such as washing, catalyst recovery, and conditioning after pretreatment is critical factor for scale-up (commercialization). In this review, the amount of catalyst and/or water used, and the effect of pretreatment, properties of the products, and recovery of liquid are also discussed.
Collapse
Affiliation(s)
- A V S L Sai Bharadwaj
- Department of Materials Sciences and Chemical Engineering, Hanyang University, Ansan, Gyeonggi-do 15588, Republic of Korea
| | - Subhabrata Dev
- Water and Environmental Research Center (WERC), Institute of Northern Engineering (INE), University of Alaska Fairbanks (UAF), Fairbanks, AK 99775, USA
| | - Jingshun Zhuang
- Department of Chemical Engineering, State University of New York, College of Environmental Science and Forestry, Syracuse, NY 13210, USA
| | - Yunxuan Wang
- Department of Chemical Engineering, State University of New York, College of Environmental Science and Forestry, Syracuse, NY 13210, USA
| | - Chang Geun Yoo
- Department of Chemical Engineering, State University of New York, College of Environmental Science and Forestry, Syracuse, NY 13210, USA
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, 222-Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Srijan Aggarwal
- Civil, Geological, and Environmental Engineering, University of Alaska Fairbanks, College of Engineering and Mines, Fairbanks, AK 99775-5960, USA
| | - Seung Hyun Park
- Department of Materials Sciences and Chemical Engineering, Hanyang University, Ansan, Gyeonggi-do 15588, Republic of Korea
| | - Tae Hyun Kim
- Department of Materials Sciences and Chemical Engineering, Hanyang University, Ansan, Gyeonggi-do 15588, Republic of Korea.
| |
Collapse
|
12
|
Nemes SA, Călinoiu LF, Dulf FV, Fărcas AC, Vodnar DC. Integrated Technology for Cereal Bran Valorization: Perspectives for a Sustainable Industrial Approach. Antioxidants (Basel) 2022; 11:antiox11112159. [PMID: 36358531 PMCID: PMC9686942 DOI: 10.3390/antiox11112159] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/26/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
Current research focuses on improving the bioaccessibility of functional components bound to cereal bran cell walls. The main bioactive components in cereal bran that have major biological activities include phenolic acids, biopeptides, dietary fiber, and novel carbohydrates. Because of the bound form in which these bioactive compounds exist in the bran matrix, their bioaccessibility is limited. This paper aims to comprehensively analyze the functionality of an integrated technology comprising pretreatment techniques applied to bran substrate followed by fermentation bioprocesses to improve the bioaccessibility and bioavailability of the functional components. The integrated technology of specific physical, chemical, and biological pretreatments coupled with fermentation strategies applied to cereal bran previously-pretreated substrate provide a theoretical basis for the high-value utilization of cereal bran and the development of related functional foods and drugs.
Collapse
Affiliation(s)
- Silvia Amalia Nemes
- Institute of Life Sciences, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
| | - Lavinia Florina Călinoiu
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
| | - Francisc Vasile Dulf
- Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
| | - Anca Corina Fărcas
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
| | - Dan Cristian Vodnar
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
- Correspondence:
| |
Collapse
|
13
|
Wang B, Li G, Li L, Zhang M, Yang T, Xu Z, Qin T. Novel processing strategies to enhance the bioaccessibility and bioavailability of functional components in wheat bran. Crit Rev Food Sci Nutr 2022; 64:3044-3058. [PMID: 36190261 DOI: 10.1080/10408398.2022.2129582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Dietary fiber, polysaccharides and phenols are the representative functional components in wheat bran, which have important nutritional properties and pharmacological effects. However, the most functional components in wheat bran exist in bound form with low bioaccessibility. This paper reviews these functional components, analyzes modification methods, and focuses on novel solid-state fermentation (SSF) strategies in the release of functional components. Mining efficient microbial resources from traditional fermented foods, exploring the law of material exchange between cell populations, and building a stable self-regulation co-culture system are expected to strengthen the SSF process. In addition, emerging biotechnology such as synthetic biology and genome editing are used to transform the mixed fermentation system. Furthermore, combined with the emerging physical-field pretreatment coupled with SSF strategies applied to the modification of wheat bran, which provides a theoretical basis for the high-value utilization of wheat bran and the development of related functional foods and drugs.
Collapse
Affiliation(s)
- Baoshi Wang
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Guangyao Li
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Linbo Li
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Mingxia Zhang
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Tianyou Yang
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Zhichao Xu
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Tengfei Qin
- Institute of Crop Science, Chinese Academy of Agricultural Sciences (CAAS); Beijing Capital Agribusiness Future Biotechnology, Beijing, China
| |
Collapse
|
14
|
Soto-Paz J, Oviedo-Ocaña ER, Angarita-Rangel MA, Rodríguez-Flórez LV, Castellanos-Suarez LJ, Nabarlatz D, Sanchez-Torres V. Optimization of lignocellulolytic bacterial inoculum and substrate mix for lignocellulose degradation and product quality on co-composting of green waste with food waste. BIORESOURCE TECHNOLOGY 2022; 359:127452. [PMID: 35700896 DOI: 10.1016/j.biortech.2022.127452] [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: 04/26/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
The present study evaluates the effect of the mixing ratio of substrates and inoculation with lignocellulolytic bacteria on green waste (GW) and food waste (FW) co-composting. A Box-Behnken design was used to simultaneously optimize the lignocellulose degradation (%LD) and end-product quality. The best operational conditions were 4.85*105 CFU g-1 of Bacillus sp. F3X3 and 1.44*106 CFU g-1 of Paenibacillus sp. F1A5 with a substrate mixture containing 50% GW, 32.5% unprocessed FW, 2.5% processed FW, 13% sawdust, and 2% phosphate rock; with a C/N ratio of 27. Under these conditions, the %LD was 33% and the end-product has pH 8.3, TOC 22,4%, TN 1,7%, and a germination index of 103%. Therefore, the product complies with quality standards for organic fertilizers. The results of this study allow the identification of appropriate strategies to optimize GW composting, increasing the degradation of lignocellulose and improving the end-product quality.
Collapse
Affiliation(s)
- Jonathan Soto-Paz
- Universidad Industrial de Santander, Facultad de Ingenierías Fisicomecánicas, Grupo de Investigación en Recurso Hídrico y Saneamiento Ambiental - GPH, Carrera 27 Calle 9 Ciudad Universitaria Bucaramanga, Colombia
| | - Edgar Ricardo Oviedo-Ocaña
- Universidad Industrial de Santander, Facultad de Ingenierías Fisicomecánicas, Grupo de Investigación en Recurso Hídrico y Saneamiento Ambiental - GPH, Carrera 27 Calle 9 Ciudad Universitaria Bucaramanga, Colombia
| | - María Angélica Angarita-Rangel
- Universidad Industrial de Santander, Escuela de Ingeniería Química, Grupo de Investigación en Ciencia y Tecnología de Alimentos - CICTA, Bucaramanga, Colombia
| | - Lesly V Rodríguez-Flórez
- Universidad Industrial de Santander, Escuela de Ingeniería Química, Grupo de Investigación en Ciencia y Tecnología de Alimentos - CICTA, Bucaramanga, Colombia
| | - Laura Johana Castellanos-Suarez
- Servicio Nacional de Aprendizaje - SENA, Centro de Atención al Sector Agropecuario, Grupo de investigación y Desarrollo del Cacao y la Chocolatería - CHOCADIG, Piedecuesta, Colombia
| | - Debora Nabarlatz
- Universidad Industrial de Santander, Escuela de Ingeniería Química, Grupo de Investigación en Tecnologías de Valorización de Residuos y Fuentes Agrícolas e Industriales para la Sustentabilidad Energética - INTERFASE, Bucaramanga, Colombia
| | - Viviana Sanchez-Torres
- Universidad Industrial de Santander, Escuela de Ingeniería Química, Grupo de Investigación en Ciencia y Tecnología de Alimentos - CICTA, Bucaramanga, Colombia.
| |
Collapse
|
15
|
Screening of Cellulolytic Bacteria from Various Ecosystems and Their Cellulases Production under Multi-Stress Conditions. Catalysts 2022. [DOI: 10.3390/catal12070769] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Cellulose represents the most abundant component of plant biomass on earth; it is degraded by cellulases, specific enzymes produced by microorganisms. However, cellulases of bacterial origin attract more interest due to their natural diversity and ability to inhabit a variety of niches, allowing the selection of cellulolytic strains resistant to environmental stresses. The screening of the cellulolytic activity of 398 bacteria isolated from various ecosystems in Algeria (cave, ruins, chott, thermal station, and rhizosphere of arid and semi-arid regions) was performed by the appearance of a hydrolysis zone on carboxymethylcellulose (CMC) medium. The cellulase activity on CMC (1%) broth allowed to select 26 strains among which 12 had the best activity (0.3 U/mL to 2.2 U/mL). Optimization of physicochemical parameters (salinity: 0–1 M NaCl; pH: 3, 4, 7, 9, and 11; temperature: 30, 45, and 50 °C; PEG8000: 0 and 30%) involved in growth and cellulose production showed that the majority of strains were mesophilic, neutrophilic, or alkali- tolerant and tolerant to 30% of PEG8000. The cellulase activity and stability under different stress allowed to retain five strains, which the most efficient. Based on the 16S-rRNA sequencing results, they belonged to the genus Bacillus. The physicochemical properties of cellulases (crude extract) showed a CMCase active over a wide range of pH (4 to 11), optimal at 50 °C and 60 °C. The inhibiting salinity effect on the activity was not detected and was negligible on the enzymatic stability. The residual CMCase activity remained between 40 and 70% in a temperature range between 40 and 70 °C, was stable over a wide range of saline concentrations (0–2000 mM), and was weakly affected at 30% of PEG8000. The crude enzyme extract was able to hydrolyze both soluble and insoluble cellulosic substrates. The evaluation of the hydrolysis capacity of lignocellulosic waste revealed the ability of tested strains to degrade wheat bran, barley bran, and corncob. In addition, the enzyme showed significant multi-stress resistance on solid and liquid media. By these characteristics, these cellulolytic bacteria could be attractive to be used in various industrial and biotechnology applications.
Collapse
|
16
|
Assessing Hydrolyzed Gluten Content in Dietary Enzyme Supplements Following Fermentation. FERMENTATION 2022. [DOI: 10.3390/fermentation8050203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Partially digested gluten fragments from grains including wheat, rye, spelt and barley are responsible for triggering an inflammatory response in the intestinal tract of Celiac Disease (CD) and Non-Celiac Gluten Sensitive (NCGS) individuals. Fermentation is an effective method to metabolize gluten, with enzymes from bacterial or fungal species being released to help in this process. However, the levels of gluten in commercially available enzymes, including those involved in gluten fermentation, are unknown. In this study we investigated gluten levels in commercially available dietary enzymes combined with assessing their effect on inflammatory response in human cell culture assays. Using antibodies that recognize different gluten epitopes (G12, R5, 2D4, MloBS and Skerritt), we employed ELISA and immunoblotting methodologies to determine gluten content in crude gluten, crude gliadin, pepsin-trypsin digested gluten and a selection of commercially available enzymes. We further investigated the effect of these compounds on inflammatory response in immortalized immune and intestinal human cell lines, as well as in peripheral blood mononuclear cells (PBMCs) from coeliac individuals. All tested supplemental enzyme products reported a gluten concentration that was equivalent to or below 20 parts per million (ppm) as compared with an intact wheat reference standard and a pepsin-trypsin digested standard. Similarly, the inflammatory response to IL-8 and TNF-α inflammatory cytokines in mammalian cell lines and PBMCs from coeliac individuals to the commercial enzymes was not significantly different to 20 ppm of crude gluten, crude gliadin or pepsin-trypsin digested gluten. This combined approach provides insight into the extent of gluten breakdown in the fermentation process and the safety of these products to gluten-sensitive individuals.
Collapse
|
17
|
Gupta VK, Nguyen QD, Liu S, Taherzadeh MJ, Sirohi R. Microbes in valorisation of biomass to value-added products. BIORESOURCE TECHNOLOGY 2022; 347:126738. [PMID: 35051569 DOI: 10.1016/j.biortech.2022.126738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- Vijai K Gupta
- Biorefining and Advanced Materials Research Center, SRUC, Kings Buildings, West Mains Road, Edinburgh EH9 3JG, United Kingdom; Centerfor Safe and Improved Food, SRUC, Kings Buildings, West Mains Road, Edinburgh EH9 3JG, United Kingdom.
| | - Quang D Nguyen
- Hungarian University of Agriculture and Life Sciences, Hungary
| | - Shijie Liu
- State University of New York College of Environmental Science and Forestry, United States
| | | | - Ranjna Sirohi
- Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea; Centre for Energy and Environmental Sustainability, Lucknow 226 029, Uttar Pradesh, India
| |
Collapse
|