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Versluys M, Porras-Domínguez JR, Voet A, Struyf T, Van den Ende W. Insights in inulin binding and inulin oligosaccharide formation by novel multi domain endo-inulinases from Botrytis cinerea. Carbohydr Polym 2024; 328:121690. [PMID: 38220320 DOI: 10.1016/j.carbpol.2023.121690] [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: 06/29/2023] [Revised: 10/09/2023] [Accepted: 12/10/2023] [Indexed: 01/16/2024]
Abstract
World-wide, pathogenic fungi such as Botrytis cinerea cause tremendous yield losses in terms of food production and post-harvest food decay. Many fungi produce inulin-type oligosaccharides (IOSs) from inulin through endo-inulinases which typically show a two domain structure. B.cinerea lacks a two domain endo-inulinase but contains a three domain structure instead. Genome mining revealed three and four domain (d4) enzymes in the fungal kingdom. Here, three and two domain enzymes were compared in their capacity to produce IOSs from inulin. Hill kinetics were observed in three domain enzymes as compared to Michaelis-Menten kinetics in two domain enzymes, suggesting that the N-terminal extension functions as a carbohydrate binding module. Analysis of the IOS product profiles generated from purified GF6, GF12, GF16 and GF18 inulins and extensive sugar docking approaches led to enhanced insights in the active site functioning, revealing subtle differences between the endo-inulinases from Aspergillus niger and B. cinerea. Improved insights in structure-function relationships in fungal endo-inulinases offer opportunities to develop superior enzymes for the production of specific IOS formulations to improve plant and animal health (priming agents, prebiotics).
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Affiliation(s)
- Maxime Versluys
- Laboratory of Molecular Plant Biology and KU Leuven Plant Institute, KU Leuven, Kasteelpark Arenberg 31, 3001 Leuven, Belgium
| | - Jaime Ricardo Porras-Domínguez
- Laboratory of Molecular Plant Biology and KU Leuven Plant Institute, KU Leuven, Kasteelpark Arenberg 31, 3001 Leuven, Belgium.
| | - Arnout Voet
- Laboratory of Biochemistry, Molecular and Structural Biology, KU Leuven, Celestijnenlaan 200g, 3001 Leuven, Belgium.
| | - Tom Struyf
- Laboratory of Molecular Plant Biology and KU Leuven Plant Institute, KU Leuven, Kasteelpark Arenberg 31, 3001 Leuven, Belgium.
| | - Wim Van den Ende
- Laboratory of Molecular Plant Biology and KU Leuven Plant Institute, KU Leuven, Kasteelpark Arenberg 31, 3001 Leuven, Belgium.
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2
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Canli Tasar O, Tasar GE. Optimization of inulinase production using Jerusalem artichoke ( Helianthus tuberosus) as cheap substrate and comparison with pure chicory inulin. Prep Biochem Biotechnol 2022; 53:101-107. [PMID: 36264232 DOI: 10.1080/10826068.2022.2134148] [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: 01/05/2023]
Abstract
Jerusalem artichoke (JA) is a nutritional vegetable for human diet depending on its natural structure, especially high inulin content and it is the second inulin source for commercial production in the world, after chicory. It was aimed to investigate the inulinase production capability of Galactomyces geotrichum TS61 (GenBank accession: MN749818) using JA as an economical and effective substrate comparing with the pure chicory inulin and to optimize the fermentation using Taguchi design of experiment (DOE) in this study. Besides, the effects of sucrose on inulinase production either combined with JA or in its absence were also studied. Taguchi L16 orthogonal array was employed for optimization. Both of inulinase activities obtained from JA and pure inulin gave the maximum result at the 10th experimental run as 40.21 U/mL and 57.35 U/mL, respectively. The optimum levels were detected for each factor as, 30 g/L JA, 30 g/L sucrose, pH 5.5, and four days for time. The predicted value was found as 41.63 U/mL that was similar to the obtained result as 41.17 U/mL. Finally, inulinase activity was increased approximately 8-folds after optimization. The sucrose-free medium had similar effects with higher concentrations of JA at long incubation time. This is the first investigation about inulinase production by G. geotrichum.
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Affiliation(s)
- Ozden Canli Tasar
- High Technology Application and Research Centre, Erzurum Technical University, Erzurum, Turkey
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3
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Bamigbade GB, Subhash AJ, Kamal-Eldin A, Nyström L, Ayyash M. An Updated Review on Prebiotics: Insights on Potentials of Food Seeds Waste as Source of Potential Prebiotics. Molecules 2022; 27:molecules27185947. [PMID: 36144679 PMCID: PMC9505924 DOI: 10.3390/molecules27185947] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 01/19/2023] Open
Abstract
Prebiotics are a group of biological nutrients that are capable of being degraded by microflora in the gastrointestinal tract (GIT), primarily Lactobacilli and Bifidobacteria. When prebiotics are ingested, either as a food additive or as a supplement, the colonic microflora degrade them, producing short-chain fatty acids (SCFA), which are simultaneously released in the colon and absorbed into the blood circulatory system. The two major groups of prebiotics that have been extensively studied in relation to human health are fructo-oligosaccharides (FOS) and galactooligosaccharides (GOS). The candidature of a compound to be regarded as a prebiotic is a function of how much of dietary fiber it contains. The seeds of fruits such as date palms have been reported to contain dietary fiber. An increasing awareness of the consumption of fruits and seeds as part of the daily diet, as well as poor storage systems for seeds, have generated an enormous amount of seed waste, which is traditionally discarded in landfills or incinerated. This cultural practice is hazardous to the environment because seed waste is rich in organic compounds that can produce hazardous gases. Therefore, this review discusses the potential use of seed wastes in prebiotic production, consequently reducing the environmental hazards posed by these wastes.
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Affiliation(s)
- Gafar Babatunde Bamigbade
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al-Ain P.O. Box 15551, United Arab Emirates
| | - Athira Jayasree Subhash
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al-Ain P.O. Box 15551, United Arab Emirates
| | - Afaf Kamal-Eldin
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al-Ain P.O. Box 15551, United Arab Emirates
| | - Laura Nyström
- Department of Health Science and Technology, Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Mutamed Ayyash
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al-Ain P.O. Box 15551, United Arab Emirates
- Correspondence:
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Hetero-modification of halloysite nanoclay to immobilize endoinulinase for the preparation of fructooligosaccharides. Food Res Int 2022; 159:111591. [DOI: 10.1016/j.foodres.2022.111591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/05/2022] [Accepted: 06/27/2022] [Indexed: 11/22/2022]
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Glutaraldehyde functionalization of halloysite nanoclay enhances immobilization efficacy of endoinulinase for fructooligosaccharides production from inulin. Food Chem 2022; 381:132253. [PMID: 35123224 DOI: 10.1016/j.foodchem.2022.132253] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/20/2022] [Accepted: 01/23/2022] [Indexed: 12/14/2022]
Abstract
Current work describes the enhancement of immobilization efficacy of Aspergillus tritici endoinulinase onto halloysite nanoclay using crosslinker glutaraldehyde. Under statistical optimized immobilization conditions, viz. glutaraldehyde 1.50% (v/v), enzyme coupling-time 2.20 h, glutaraldehyde activation-time 1.00 h and endoinulinase load 50 IU, maximum activity yield (65.77%) and immobilization yield (82.45%) was obtained. An enhancement of 1.15- and 1.23-fold in both enzyme activity yield and immobilization yield of endoinulinase was observed, when compared with APTES-functionalized halloysite nanoclay immobilized endoinulinase. Immobilized biocatalyst showed maximum activity at pH 5.0 and temperature 60 °C with broad pH (4.0-8.5) and temperature (50-75 °C) stability. Further, optimal hydrolytic conditions (inulin concentration 8.0%; endoinulinase load 80 IU; agitation 125 rpm and hydrolysis-time 13 h) supported fructooligosaccharides yield (95.44%) in a batch system. HPTLC studies blueprint confirmed 95.44% fructooligosaccharides containing 35.41% kestose, 26.19% nystose and 9.69% fructofuranosylnystose. The developed immobilized biocatalyst shown good stability of 8 cycles for inulin hydrolysis.
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Singh RS, Singh T. Fructooligosaccharides Production from Inulin by Immobilized Endoinulinase on 3-Aminopropyltriethoxysilane Functionalized Halloysite Nanoclay. Catal Letters 2021. [DOI: 10.1007/s10562-021-03803-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Singh R, Singh T, Hassan M, Kennedy JF. Updates on inulinases: Structural aspects and biotechnological applications. Int J Biol Macromol 2020; 164:193-210. [DOI: 10.1016/j.ijbiomac.2020.07.078] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/30/2020] [Accepted: 07/08/2020] [Indexed: 12/16/2022]
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Su Z, Luo J, Li X, Pinelo M. Enzyme membrane reactors for production of oligosaccharides: A review on the interdependence between enzyme reaction and membrane separation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116840] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Holyavka MG, Kondratyev MS, Lukin AN, Agapov BL, Artyukhov VG. Immobilization of inulinase on KU-2 ion-exchange resin matrix. Int J Biol Macromol 2019; 138:681-692. [DOI: 10.1016/j.ijbiomac.2019.07.132] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 07/21/2019] [Accepted: 07/22/2019] [Indexed: 12/01/2022]
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10
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Improving poly-(γ-glutamic acid) production from a glutamic acid-independent strain from inulin substrate by consolidated bioprocessing. Bioprocess Biosyst Eng 2019; 42:1711-1720. [DOI: 10.1007/s00449-019-02167-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 06/30/2019] [Indexed: 12/28/2022]
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Singh RS, Singh T, Larroche C. Biotechnological applications of inulin-rich feedstocks. BIORESOURCE TECHNOLOGY 2019; 273:641-653. [PMID: 30503580 DOI: 10.1016/j.biortech.2018.11.031] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 11/05/2018] [Accepted: 11/08/2018] [Indexed: 06/09/2023]
Abstract
Inulin is a naturally occurring second largest storage polysaccharide with a wide range of applications in pharmaceutical and food industries. It is a robust polysaccharide which consists of a linear chain of β-2, 1-linked-d-fructofuranose molecules terminated with α-d-glucose moiety at the reducing end. It is present in tubers, bulbs and tuberous roots of more than 36,000 plants belonging to both monocotyledonous and dicotyledonous families. Jerusalem artichoke, chicory, dahlia, asparagus, etc. are important inulin-rich plants. Inulin is a potent substrate and inducer for the production of inulinases. Inulin/inulin-rich feedstocks can be used for the production of fructooligosaccharides and high-fructose syrup. Additionally, inulin-rich feedstocks can also be exploited for the production of other industrially important products like acetone, butanol, bioethanol, single cell proteins, single cell oils, 2, 3-butanediol, sorbitol, mannitol, etc. Current review highlights the biotechnological potential of inulin-rich feedstocks for the production of various industrially important products.
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Affiliation(s)
- R S Singh
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala 147 002, Punjab, India.
| | - Taranjeet Singh
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala 147 002, Punjab, India
| | - Christian Larroche
- Université Clermont Auvergne, Institut Pascal, UMR, CNRS 6602, and Labex, IMobS3, 4 Avenue Blaise Pascal, TSA 60026, CS 60026, F-63178 Aubiere Cedex, France
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12
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Mohammadi M, Rezaei Mokarram R, Ghorbani M, Hamishehkar H. Inulinase immobilized gold-magnetic nanoparticles as a magnetically recyclable biocatalyst for facial and efficient inulin biotransformation to high fructose syrup. Int J Biol Macromol 2019; 123:846-855. [DOI: 10.1016/j.ijbiomac.2018.11.160] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/15/2018] [Accepted: 11/16/2018] [Indexed: 01/31/2023]
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13
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Asmat S, Husain Q. A robust nanobiocatalyst based on high performance lipase immobilized to novel synthesised poly(o-toluidine) functionalized magnetic nanocomposite: Sterling stability and application. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 99:25-36. [PMID: 30889698 DOI: 10.1016/j.msec.2019.01.070] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 01/10/2019] [Accepted: 01/16/2019] [Indexed: 12/19/2022]
Abstract
Herein, as a promising support, a magnetic enzyme nanoformulation have been designed and fabricated by a poly-o-toluidine modification approach. Owing to the magnetic nature and the existence of amine functionalized groups, the as-synthesised poly(o-toluidine) functionalized magnetic nanocomposite (Fe3O4@POT) was employed as potential support for Candida rugosa lipase (CRL) immobilization to explore its application in fruit flavour esters synthesis. The morphology and structure of the Fe3O4@POT NC were examined through various analytical tools. Hydrolytic activity assays disclose that immobilized lipase demonstrated an activity yield of 120%. It is worth mentioning that CRL#Fe3O4@POT showed superior resistance to extremes of temperature and pH and different organic solvents in contrast to free CRL. The magnetic behaviour of the as-synthesised NC was affirmed by alternating gradient magnetometer analysis. It was found to own facile immobilization process, enhanced catalytic performance for the immobilized form which may be stretched to the immobilization of various vital industrial enzymes. Moreover, it retained improved recycling performance. After 10 cycles of repetitive uses, it still possessed around 90% of its initial activity for the hydrolytic reaction, since the enzyme-magnetic nanoconjugate was effortlessly obtained using a magnet from the reaction system. The formulated nanobiocatalyst was selected for the esterification reaction to synthesize the fruit flavour esters, ethyl acetoacetate and ethyl valerate. The immobilized lipase successfully synthesised flavour compounds in aqueous and n-hexane media having significant higher ester yields compared to free enzyme. The present work successfully combines an industrially prominent biocatalyst, CRL, and a novel magnetic nanocarrier, Fe3O4@POT, into an immobilized nanoformulation with upgraded catalytic properties which has excellent potential for practical industrial implications.
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Affiliation(s)
- Shamoon Asmat
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh 202002, India
| | - Qayyum Husain
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh 202002, India.
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Sha Y, Zhang Y, Qiu Y, Xu Z, Li S, Feng X, Wang M, Xu H. Efficient Biosynthesis of Low-Molecular-Weight Poly-γ-glutamic Acid by Stable Overexpression of PgdS Hydrolase in Bacillus amyloliquefaciens NB. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:282-290. [PMID: 30543111 DOI: 10.1021/acs.jafc.8b05485] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Low-molecular-weight poly-γ-glutamic acid (LMW-γ-PGA) has attracted much attention owing to its great potential in food, agriculture, medicine, and cosmetics. Current methods of LMW-γ-PGA production, including enzymatic hydrolysis, are associated with low operational stability. Here, an efficient method for stable biosynthesis of LMW-γ-PGA was conceived by overexpression of γ-PGA hydrolase in Bacillus amyloliquefaciens NB. To establish stable expression of γ-PGA hydrolase (PgdS) during fermentation, a novel plasmid pNX01 was constructed with a native replicon from endogenous plasmid p2Sip, showing a loss rate of 4% after 100 consecutive passages. Subsequently, this plasmid was applied in a screen of high activity PgdS hydrolase, leading to substantial improvements to γ-PGA titer with concomitant decrease in the molecular weight. Finally, a satisfactory yield of 17.62 ± 0.38 g/L LMW-γ-PGA with a weight-average molecular weight of 20-30 kDa was achieved by direct fermentation of Jerusalem artichoke tuber extract. Our study presents a potential method for commercial production of LMW-γ-PGA.
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Affiliation(s)
- Yuanyuan Sha
- State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing 211816 , China
- College of Food Science and Light Industry , Nanjing Tech University , Nanjing 211816 , China
| | - Yatao Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing 211816 , China
- College of Food Science and Light Industry , Nanjing Tech University , Nanjing 211816 , China
| | - Yibin Qiu
- State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing 211816 , China
- College of Food Science and Light Industry , Nanjing Tech University , Nanjing 211816 , China
| | - Zongqi Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing 211816 , China
- College of Food Science and Light Industry , Nanjing Tech University , Nanjing 211816 , China
| | - Sha Li
- State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing 211816 , China
- College of Food Science and Light Industry , Nanjing Tech University , Nanjing 211816 , China
| | - Xiaohai Feng
- State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing 211816 , China
- College of Food Science and Light Industry , Nanjing Tech University , Nanjing 211816 , China
| | - Mingxuan Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing 211816 , China
- College of Food Science and Light Industry , Nanjing Tech University , Nanjing 211816 , China
| | - Hong Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing 211816 , China
- College of Food Science and Light Industry , Nanjing Tech University , Nanjing 211816 , China
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Torabizadeh H, Mikani M. Kinetic and thermodynamic features of nanomagnetic cross-linked enzyme aggregates of naringinase nanobiocatalyst in naringin hydrolysis. Int J Biol Macromol 2018; 119:717-725. [DOI: 10.1016/j.ijbiomac.2018.08.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 07/31/2018] [Accepted: 08/01/2018] [Indexed: 02/06/2023]
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Torabizadeh H, Mikani M. Nano-magnetic cross-linked enzyme aggregates of naringinase an efficient nanobiocatalyst for naringin hydrolysis. Int J Biol Macromol 2018; 117:134-143. [DOI: 10.1016/j.ijbiomac.2018.05.162] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 05/15/2018] [Accepted: 05/22/2018] [Indexed: 12/18/2022]
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17
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Mikani M, Torabizadeh H, Rahmanian R. Magnetic soy protein isolate-bovine serum albumin nanoparticles preparation as a carrier for inulinase immobilisation. IET Nanobiotechnol 2018; 12:633-639. [PMID: 30095425 PMCID: PMC8676546 DOI: 10.1049/iet-nbt.2017.0188] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 12/14/2017] [Accepted: 01/24/2018] [Indexed: 11/19/2022] Open
Abstract
Magnetic nanoparticles (NPs) were functionalised with soy protein isolate (SPI) and bovine serum albumin (BSA) for inulinase immobilisation. The results revealed the nanomagnetite size of about 50 nm with a polydispersity index (PDI) of 0.242. The average size of the SPI NPs prepared by using acetone was 80-90 nm (PDI, 0.277), and SPI-BSA NPs was 80-90 nm (PDI, 0.233), and their zeta potential was around -34 mV. The mean diameter of fabricated Fe3O4@SPI-BSA NPs was <120 nm (PDI, 0.187). Inulinase was covalently immobilised successfully through glutaraldehyde on Fe3O4@SPI-BSA NPs with 80% enzyme loading. Fourier transform infrared spectra, field emission scanning electron microscopy, and transmission electron microscopy images provided sufficient proof for enzyme immobilisation on the NPs. The immobilised inulinase showed maximal activity at 45°C, which was 5°C higher than the optimum temperature of the free enzyme. Also, the optimum pH of the immobilised enzyme was shifted from 6 to 5.5. Thermal stability of the enzyme was considerably increased to about 43% at 75°C, and Km value was reduced to 25.4% after immobilisation. The half-life of the enzyme increased about 5.13-fold at 75°C as compared with the free form. Immobilised inulinase retained over 80% of its activity after ten cycles.
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Affiliation(s)
- Mohaddeseh Mikani
- Department of Food Science & Technology, Iranian Research Organization for Science and Technology (IROST), Tehran, Postal Code: 33853, Iran
| | - Homa Torabizadeh
- Department of Food Science & Technology, Iranian Research Organization for Science and Technology (IROST), Tehran, Postal Code: 33853, Iran.
| | - Reza Rahmanian
- Young Researchers and Elite Club, North Tehran Branch, Islamic Azad University, Tehran, 32454, Iran
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Sandoval-González RS, Jiménez-Islas H, Navarrete-Bolaños JL. Design of a fermentation process for agave fructooligosaccharides production using endo-inulinases produced in situ by Saccharomyces paradoxus. Carbohydr Polym 2018; 198:94-100. [PMID: 30093047 DOI: 10.1016/j.carbpol.2018.06.075] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 06/11/2018] [Accepted: 06/15/2018] [Indexed: 11/27/2022]
Abstract
Saccharomyces paradoxus, a native microorganism of the aguamiel, was used successfully for endoinulinase synthesis for agave fructooligasaccharide (FOS) production. We optimized the fermentation parameters to maximize the enzyme synthesis, and we performed enzyme kinetics studies to achieve agave fructans hydrolysis. The results showed that under constant operating conditions (pH 7.7, 40 °C, 175 rpm of agitation, and 0.005 VVM of aeration) results in the production of an enzymatic extract with 49.57 mg/L. This enzymatic extract, when mixed with an agave fructans solution containing 37.8 g/L, allowed us to obtain products with 18% more FOS content the original concentration. The mass spectrum plot shows that the hydrolyzed product contains FOS with a degree of polymerization from 5 to 9 hexose units. These results are promising because they show FOS production from agave and confirm that importance of using native strains in the design of directed fermentation processes.
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Affiliation(s)
- R S Sandoval-González
- Departamento de Ingeniería Bioquímica-Ciencias de la Ingeniería, Instituto Tecnológico de Celaya, Av. Tecnológico s/n, CP 38010, Celaya Gto, México
| | - H Jiménez-Islas
- Departamento de Ingeniería Bioquímica-Ciencias de la Ingeniería, Instituto Tecnológico de Celaya, Av. Tecnológico s/n, CP 38010, Celaya Gto, México
| | - J L Navarrete-Bolaños
- Departamento de Ingeniería Bioquímica-Ciencias de la Ingeniería, Instituto Tecnológico de Celaya, Av. Tecnológico s/n, CP 38010, Celaya Gto, México.
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Garuba EO, Abiodun, Onilude A. Immobilization of thermostable exo-inulinase from mutant thermophilic Aspergillus tamarii-U4 using kaolin clay and its application in inulin hydrolysis. J Genet Eng Biotechnol 2018; 16:341-346. [PMID: 30733744 PMCID: PMC6353754 DOI: 10.1016/j.jgeb.2018.03.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 03/16/2018] [Accepted: 03/31/2018] [Indexed: 11/16/2022]
Abstract
In this study, attempts were made to immobilize purified exo-inulinase from mutant thermophic Aspergillus tamarii-U4 onto Kaolinite clay by covalent bonding cross-linked with glutaraldehyde with an immobilization yield of 66% achieved. The free and immobilized inulinases were then characterized and characterization of the enzymes revealed that temperature and pH optima for the activity of the free and immobilized enzymes were both 65 °C and pH 4.5 respectively. The free inulinase completely lost its activity after incubation at 65 °C for 6 h while the immobilized inulinase retained 16.4% of its activity under the same condition of temperature and incubation time. The estimated kinetic parameters Km and Vmax for the free inulinase as estimated from Lineweaver-Burk plots were 0.39 mM and 4.21 µmol/min for the free inulinase and 0.37 mM and 4.01 µmol/min for the immobilized inulinase respectively. Inulin at 2.5% (w/v) and a flow rate of 0.1 mL was completely hydrolysed for 10 days at 60 °C in a continuous packed bed column and the operational stability of the system revealed that the half-life of the immobilized inulinase was 51 days. These properties make the immobilized exo-inulinase from Aspergillus tamarii-U4 a potential candidate for the production of fructose from inulin hydrolysis.
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Affiliation(s)
- Emmanuel O Garuba
- Microbial Physiology and Biochemistry Laboratory, Department of Microbiology, University of Ibadan, Nigeria
| | - Abiodun
- Microbial Physiology and Biochemistry Laboratory, Department of Microbiology, University of Ibadan, Nigeria
| | - A Onilude
- Microbial Physiology and Biochemistry Laboratory, Department of Microbiology, University of Ibadan, Nigeria
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Inulin Hydrolysis by Immobilized Inulinase on Functionalized Magnetic Nanoparticles Using Soy Protein Isolate and Bovine Serum Albumin. J CHIN CHEM SOC-TAIP 2018. [DOI: 10.1002/jccs.201700364] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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21
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Immobilization and some properties of commercial enzyme preparation for production of lactulose-based oligosaccharides. FOOD AND BIOPRODUCTS PROCESSING 2018. [DOI: 10.1016/j.fbp.2017.11.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Neeraj G, Ravi S, Somdutt R, Ravi SK, Kumar VV. Immobilized inulinase: a new horizon of paramount importance driving the production of sweetener and prebiotics. Crit Rev Biotechnol 2017; 38:409-422. [DOI: 10.1080/07388551.2017.1359146] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Gerard Neeraj
- Bioprocess Engineering Laboratory, Department of Biotechnology, School of Bioengineering, SRM University, Chennai, India
| | - Shobana Ravi
- Bioprocess Engineering Laboratory, Department of Biotechnology, School of Bioengineering, SRM University, Chennai, India
| | - Ravindran Somdutt
- Bioprocess Engineering Laboratory, Department of Biotechnology, School of Bioengineering, SRM University, Chennai, India
| | - ShriAishvarya Kaliyur Ravi
- Bioprocess Engineering Laboratory, Department of Biotechnology, School of Bioengineering, SRM University, Chennai, India
| | - Vaidyanathan Vinoth Kumar
- Bioprocess Engineering Laboratory, Department of Biotechnology, School of Bioengineering, SRM University, Chennai, India
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Artificial Neural Network-Assisted Spectrophotometric Method for Monitoring Fructo-oligosaccharides Production. FOOD BIOPROCESS TECH 2017. [DOI: 10.1007/s11947-017-2011-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Design and Properties of an Immobilization Enzyme System for Inulin Conversion. Appl Biochem Biotechnol 2017; 184:453-470. [DOI: 10.1007/s12010-017-2558-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Accepted: 07/14/2017] [Indexed: 10/19/2022]
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Enzymatic Hydrolysis of Agavins to Generate Branched Fructooligosaccharides (a-FOS). Appl Biochem Biotechnol 2017; 184:25-34. [PMID: 28584965 DOI: 10.1007/s12010-017-2526-0] [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: 03/29/2017] [Accepted: 05/26/2017] [Indexed: 12/11/2022]
Abstract
Recently, agavins (branched neo-fructans) of short degree of polymerization have shown beneficial effects on the health of both healthy and overweight individuals. Therefore, the aim of the present work was to investigate the potential use of Agave angustifolia agavins on the generation of branched fructooligosacharides (a-FOS). A. angustifolia agavins were hydrolyzed using exo-, endo-inulinase, and a mixture of both (25 and 75%, respectively). Exo- and the inulinase mixture degraded quickly the agavins in relation to endo-inulinase treatment. Only endo-inulinase and the inulinase mixture generated a-FOS formation. Endo-inulinase degraded 31% of agavins, yielding approximately 20% of a-FOS after 48 h, whereas the inulinase mixture hydrolyzed 33% of agavins in just 90 min, but only yielded 10% of a-FOS. These results suggest that agave plants could be an abundant raw material for a-FOS production, which might have a huge prebiotic potential as new branched fructooligosaccharides with many applications in the alimentary and pharmaceutical industry.
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Asmat S, Husain Q, Azam A. Lipase immobilization on facile synthesized polyaniline-coated silver-functionalized graphene oxide nanocomposites as novel biocatalysts: stability and activity insights. RSC Adv 2017. [DOI: 10.1039/c6ra27926k] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Schematic representation of the preparation of PANI/Ag/GO-NCs and immobilization of lipase.
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Affiliation(s)
- Shamoon Asmat
- Department of Biochemistry
- Faculty of Life Sciences
- Aligarh Muslim University
- Aligarh-202002
- India
| | - Qayyum Husain
- Department of Biochemistry
- Faculty of Life Sciences
- Aligarh Muslim University
- Aligarh-202002
- India
| | - Ameer Azam
- Centre of Excellence in Material Sciences (Nanomaterials)
- Zakir Husain College of Engineering and Technology
- Aligarh Muslim University
- Aligarh-202002
- India
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Magnetic cellulose nanocrystals: Synthesis by electrostatic self-assembly approach and efficient use for immobilization of papain. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2016.11.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Singh RS, Singh RP, Kennedy JF. Recent insights in enzymatic synthesis of fructooligosaccharides from inulin. Int J Biol Macromol 2016; 85:565-72. [DOI: 10.1016/j.ijbiomac.2016.01.026] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 01/04/2016] [Accepted: 01/06/2016] [Indexed: 01/11/2023]
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Rawat HK, Soni H, Treichel H, Kango N. Biotechnological potential of microbial inulinases: Recent perspective. Crit Rev Food Sci Nutr 2016; 57:3818-3829. [DOI: 10.1080/10408398.2016.1147419] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Hemant Kumar Rawat
- Department of Applied Microbiology and Biotechnology, Dr. Harisingh Gour University, Sagar (M.P.), India
| | - Hemant Soni
- Department of Applied Microbiology and Biotechnology, Dr. Harisingh Gour University, Sagar (M.P.), India
| | - Helen Treichel
- Universidade Federal da Fronteira Sul-Campus de Erechim, Erechim, Brazil
| | - Naveen Kango
- Department of Applied Microbiology and Biotechnology, Dr. Harisingh Gour University, Sagar (M.P.), India
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Cao SL, Huang YM, Li XH, Xu P, Wu H, Li N, Lou WY, Zong MH. Preparation and Characterization of Immobilized Lipase from Pseudomonas Cepacia onto Magnetic Cellulose Nanocrystals. Sci Rep 2016; 6:20420. [PMID: 26843037 PMCID: PMC4740797 DOI: 10.1038/srep20420] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 01/04/2016] [Indexed: 11/12/2022] Open
Abstract
Magnetic cellulose nanocrystals (MCNCs) were prepared and used as an enzyme support for immobilization of Pseudomonas cepacialipase (PCL). PCL was successfully immobilized onto MCNCs (PCL@MCNC) by a precipitation-cross-linking method. The resulting PCL@MCNC with a nanoscale size had high enzyme loading (82.2 mg enzyme/g) and activity recovery (95.9%). Compared with free PCL, PCL@MCNC exhibited significantly enhanced stability and solvent tolerance, due to the increase of enzyme structure rigidity. The observable optimum pH and temperature for PCL@MCNC were higher than those of free PCL. PCL@MCNC manifested relatively higher enzyme-substrate affinity and catalytic efficiency. Moreover, PCL@MCNC was capable of effectively catalyzing asymmetric hydrolysis of ketoprofenethyl ester with high yield of 43.4% and product e.e. of 83.5%. Besides, immobilization allowed PCL@MCNC reuse for at least 6 consecutive cycles retaining over 66% of its initial activity. PCL@MCNC was readily recycled by magnetic forces. Remarkably, the as-prepared nanobiocatalyst PCL@MCNC is promising for biocatalysis.
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Affiliation(s)
- Shi-Lin Cao
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yu-Mei Huang
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Xue-Hui Li
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Pei Xu
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Hong Wu
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Ning Li
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Wen-Yong Lou
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Min-Hua Zong
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
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Trivedi S, Divecha J, Shah T, Shah A. Rapid and efficient bioconversion of chicory inulin to fructose by immobilized thermostable inulinase from Aspergillus tubingensis CR16. BIORESOUR BIOPROCESS 2015. [DOI: 10.1186/s40643-015-0060-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Fructose, a monosaccharide, has gained wide applications in food, pharmaceutical and medical industries because of its favourable properties and health benefits. Biocatalytic production of fructose from inulin employing inulinase is the most promising alternative for fructose production. For commercial production, use of immobilized inulinase is advantageous as it offers reutilization of enzyme and increase in stability. In order to meet the demand of concentrated fructose syrup, inulin hydrolysis at high substrate loading is essential.
Results
Inulinase was immobilized on chitosan particles and employed for fructose production by inulin hydrolysis. Fourier transform infrared spectroscopy (FTIR) analysis confirmed linkage of inulinase with chitosan particles. Immobilized biocatalyst displayed significant increase in thermostability at 60 and 65 °C. Statistical model was proposed with an objective of optimizing enzymatic inulin hydrolytic process. At high substrate loading (17.5 % inulin), using 9.9 U/g immobilized inulinase at 60 °C in 12 h, maximum sugar yield was 171.1 ± 0.3 mg/ml and productivity was 14.25 g/l/h. Immobilized enzyme was reused for ten cycles. Raw inulin from chicory and asparagus was extracted and supplied in 17.5 % for enzymatic hydrolysis as a replacement of pure inulin. More than 70 % chicory inulin and 85 % asparagus inulin were hydrolyzed under optimized parameters at 60 °C. Results of high performance liquid chromatography confirmed the release of fructose after inulin hydrolysis.
Conclusions
The present findings prove potentiality of immobilized thermostable inulinase from Aspergillus tubingensis CR16 for efficient production of fructose syrup. Successful immobilization of inulinase on chitosan increased its stability and provided the benefit of enzyme reutilization. Box-Behnken design gave a significant model for inulin hydrolysis. Extraction of raw inulin from chicory and asparagus and their enzymatic hydrolysis using immobilized inulinase suggested that it can be a remarkable cost-effective process for large-scale fructose production.
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Production of fructooligosaccharides by mycelium-bound transfructosylation activity present in Cladosporium cladosporioides and Penicilium sizovae. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.09.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Microbial enzymatic production and applications of short-chain fructooligosaccharides and inulooligosaccharides: recent advances and current perspectives. J Ind Microbiol Biotechnol 2014; 41:893-906. [PMID: 24793124 DOI: 10.1007/s10295-014-1452-1] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 04/19/2014] [Indexed: 01/02/2023]
Abstract
The industrial production of short-chain fructooligosaccharides (FOS) and inulooligosaccharides is expanding rapidly due to the pharmaceutical importance of these compounds. These compounds, concisely termed prebiotics, have biofunctional properties and hence health benefits if consumed in recommended dosages. Prebiotics can be produced enzymatically from sucrose elongation or via enzymatic hydrolysis of inulin by exoinulinases and endoinulinases acting alone or synergistically. Exoinulinases cleave the non-reducing β-(2, 1) end of inulin-releasing fructose while endoinulinases act on the internal linkages randomly to release inulotrioses (F3), inulotetraoses (F4) and inulopentaoses (F5) as major products. Fructosyltransferases act by cleaving a sucrose molecule and then transferring the liberated fructose molecule to an acceptor molecule such as sucrose or another oligosaccharide to elongate the short-chain fructooligosaccharide. The FOS produced by the action of fructosyltransferases are 1-kestose (GF2), nystose (GF3) and fructofuranosyl nystose (GF4). The production of high yields of oligosaccharides of specific chain length from simple raw materials such as inulin and sucrose is a technical challenge. This paper critically explores recent research trends in the production and application of short-chain oligosaccharides. Inulin and enzyme sources for the production of prebiotics are discussed. The mechanism of FOS chain elongation and also the health benefits associated with prebiotics consumption are discussed in detail.
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Cao SL, Li XH, Lou WY, Zong MH. Preparation of a novel magnetic cellulose nanocrystal and its efficient use for enzyme immobilization. J Mater Chem B 2014; 2:5522-5530. [DOI: 10.1039/c4tb00584h] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Preparation of a novel magnetic cellulose nanocrystal via a simple co-precipitation-electrostatic-self-assembly technique and its efficient use for enzyme immobilization.
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Affiliation(s)
- Shi-Lin Cao
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640, China
- State Key Laboratory of Pulp and Paper Engineering
- College of Light Industry and Food Sciences
| | - Xue-Hui Li
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640, China
| | - Wen-Yong Lou
- State Key Laboratory of Pulp and Paper Engineering
- College of Light Industry and Food Sciences
- South China University of Technology
- Guangzhou 510640, China
- Lab of Applied Biocatalysis
| | - Min-Hua Zong
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640, China
- Lab of Applied Biocatalysis
- South China University of Technology
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He M, Wu D, Wu J, Chen J. Enhanced expression of endoinulinase from Aspergillus niger by codon optimization in Pichia pastoris and its application in inulooligosaccharide production. ACTA ACUST UNITED AC 2014; 41:105-14. [DOI: 10.1007/s10295-013-1341-z] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Accepted: 09/05/2013] [Indexed: 11/29/2022]
Abstract
Abstract
In the present study, the endoinulinase gene (EnInu) from Aspergillus niger CICIM F0620 was optimized according to the codon usage of Pichia pastoris and both the native and the optimized gene were expressed in P. pastoris. Use of the optimized gene resulted in the secretion of recombinant endoinulinase activity that reached 1,349 U ml−1, 4.18 times that observed using the native gene. This is the highest endoinulinase activity reported to date. The recombinant enzyme was optimally active at pH 6.0 and 60 °C. Moreover, inulooligosaccharides production from inulin was studied using the recombinant enzyme produced from the optimized gene. After 8 h under optimal conditions, which included 400 g l−1 inulin, an enzyme concentration of 40 U g−1 substrate, 50 °C and pH 6.0, the inulooligosaccharide yield was 91 %. The high substrate concentration and short reaction time described here should reduce production costs distinctly, compared with the conditions used in previous studies. Thus, this study may provide the basis for the industrial use of this recombinant endoinulinase for the production of inulooligosaccharides.
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Affiliation(s)
- Miao He
- grid.258151.a 0000000107081323 State Key Laboratory of Food Science and Technology Jiangnan University 1800 Lihu Ave 214122 Wuxi People’s Republic of China
- grid.258151.a 0000000107081323 School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education Jiangnan University 1800 Lihu Ave 214122 Wuxi People’s Republic of China
| | - Dan Wu
- grid.258151.a 0000000107081323 State Key Laboratory of Food Science and Technology Jiangnan University 1800 Lihu Ave 214122 Wuxi People’s Republic of China
- grid.258151.a 0000000107081323 School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education Jiangnan University 1800 Lihu Ave 214122 Wuxi People’s Republic of China
| | - Jing Wu
- grid.258151.a 0000000107081323 State Key Laboratory of Food Science and Technology Jiangnan University 1800 Lihu Ave 214122 Wuxi People’s Republic of China
- grid.258151.a 0000000107081323 School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education Jiangnan University 1800 Lihu Ave 214122 Wuxi People’s Republic of China
| | - Jian Chen
- grid.258151.a 0000000107081323 State Key Laboratory of Food Science and Technology Jiangnan University 1800 Lihu Ave 214122 Wuxi People’s Republic of China
- grid.258151.a 0000000107081323 School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education Jiangnan University 1800 Lihu Ave 214122 Wuxi People’s Republic of China
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Dénes K, Farkas C, Hoschke Á, Rezessy-Szabó J, Nguyen Q. Bioethanol fermentation of Jerusalem artichoke using mixed culture ofSaccharomyces cerevisiaeandKluyveromyces marxianus. ACTA ALIMENTARIA 2013. [DOI: 10.1556/aalim.42.2013.suppl.2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Altunbaş C, Uygun M, Uygun DA, Akgöl S, Denizli A. Immobilization of inulinase on concanavalin A-attached super macroporous cryogel for production of high-fructose syrup. Appl Biochem Biotechnol 2013; 170:1909-21. [PMID: 23780342 DOI: 10.1007/s12010-013-0322-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Accepted: 06/03/2013] [Indexed: 11/26/2022]
Abstract
In this study, concanavalin A (Con A)-attached poly(ethylene glycol dimethacrylate) [poly(EGDMA)] cryogels were used for immobilization of Aspergillus niger inulinase. For this purposes, the monolithic cryogel column was prepared by radical cryocopolymerization of EGDMA as a monomer and N,N'-methylene bisacrylamide as a crosslinker. Then, Con A was attached by covalent binding onto amino-activated poly(EGDMA) cryogel via glutaraldehyde activation. Characterization of cryogels was performed by FTIR, EDX, and SEM studies. Poly(EGDMA) cryogels were highly porous and pore size was found to be approximately 50-100 μm. Con A-attached poly(EGDMA) cryogels was used in the adsorption of inulinase from aqueous solutions. Adsorption of inulinase on the Con A-attached poly(EGDMA) cryogel was performed in continuous system and the effects of pH, inulinase concentration, and flow rate on adsorption were investigated. The maximum amount of inulinase adsorption was calculated to be 27.85 mg/g cryogel at 1.0 mg/mL inulinase concentration and in acetate buffer at pH 4.0. Immobilized inulinase was effectively used in continuous preparation of high-fructose syrup. Inulin was converted to fructose in a continuous system and released fructose concentration was found to be 0.23 mg/mL at the end of 5 min of hydrolysis. High-fructose content of the syrup was demonstrated by thin layer chromatography.
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Affiliation(s)
- Canan Altunbaş
- Chemistry Department, Adnan Menderes University, Aydın, Turkey
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Contesini FJ, de Alencar Figueira J, Kawaguti HY, de Barros Fernandes PC, de Oliveira Carvalho P, Nascimento MDG, Sato HH. Potential applications of carbohydrases immobilization in the food industry. Int J Mol Sci 2013; 14:1335-69. [PMID: 23344046 PMCID: PMC3565324 DOI: 10.3390/ijms14011335] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Revised: 12/17/2012] [Accepted: 12/18/2012] [Indexed: 11/16/2022] Open
Abstract
Carbohydrases find a wide application in industrial processes and products, mainly in the food industry. With these enzymes, it is possible to obtain different types of sugar syrups (viz. glucose, fructose and inverted sugar syrups), prebiotics (viz. galactooligossacharides and fructooligossacharides) and isomaltulose, which is an interesting sweetener substitute for sucrose to improve the sensory properties of juices and wines and to reduce lactose in milk. The most important carbohydrases to accomplish these goals are of microbial origin and include amylases (α-amylases and glucoamylases), invertases, inulinases, galactosidases, glucosidases, fructosyltransferases, pectinases and glucosyltransferases. Yet, for all these processes to be cost-effective for industrial application, a very efficient, simple and cheap immobilization technique is required. Immobilization techniques can involve adsorption, entrapment or covalent bonding of the enzyme into an insoluble support, or carrier-free methods, usually based on the formation of cross-linked enzyme aggregates (CLEAs). They include a broad variety of supports, such as magnetic materials, gums, gels, synthetic polymers and ionic resins. All these techniques present advantages and disadvantages and several parameters must be considered. In this work, the most recent and important studies on the immobilization of carbohydrases with potential application in the food industry are reviewed.
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Affiliation(s)
- Fabiano Jares Contesini
- Laboratory of Food Biochemistry, Department of Food Science, College of Food Engineering, State University of Campinas (UNICAMP), Monteiro Lobato Street, 80, 13083-862, P.O. Box 6121, Campinas, SP, Brazil; E-Mails: (J.A.F.); (H.Y.K.); (H.H.S.)
| | - Joelise de Alencar Figueira
- Laboratory of Food Biochemistry, Department of Food Science, College of Food Engineering, State University of Campinas (UNICAMP), Monteiro Lobato Street, 80, 13083-862, P.O. Box 6121, Campinas, SP, Brazil; E-Mails: (J.A.F.); (H.Y.K.); (H.H.S.)
| | - Haroldo Yukio Kawaguti
- Laboratory of Food Biochemistry, Department of Food Science, College of Food Engineering, State University of Campinas (UNICAMP), Monteiro Lobato Street, 80, 13083-862, P.O. Box 6121, Campinas, SP, Brazil; E-Mails: (J.A.F.); (H.Y.K.); (H.H.S.)
| | | | - Patrícia de Oliveira Carvalho
- Laboratory of Multidisciplinary Research, University São Francisco, São Francisco de Assis Av, 218, 12916-900, Bragança Paulista, SP, Brazil; E-Mail:
| | - Maria da Graça Nascimento
- Chemistry Department, Federal University of Santa Catarina, Florianópolis, Santa Catarina, 88040-900, Brazil; E-Mail:
| | - Hélia Harumi Sato
- Laboratory of Food Biochemistry, Department of Food Science, College of Food Engineering, State University of Campinas (UNICAMP), Monteiro Lobato Street, 80, 13083-862, P.O. Box 6121, Campinas, SP, Brazil; E-Mails: (J.A.F.); (H.Y.K.); (H.H.S.)
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Silva MF, Rigo D, Mossi V, Dallago RM, Henrick P, Kuhn GDO, Rosa CD, Oliveira D, Oliveira JV, Treichel H. Evaluation of enzymatic activity of commercial inulinase from Aspergillus niger immobilized in polyurethane foam. FOOD AND BIOPRODUCTS PROCESSING 2013. [DOI: 10.1016/j.fbp.2012.08.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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de Oliveira Kuhn G, Rosa CD, Silva MF, Treichel H, de Oliveira D, Oliveira JV. Synthesis of fructooligosaccharides from Aspergillus niger commercial inulinase immobilized in montmorillonite pretreated in pressurized propane and LPG. Appl Biochem Biotechnol 2012; 169:750-60. [PMID: 23271628 DOI: 10.1007/s12010-012-0007-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Accepted: 11/30/2012] [Indexed: 11/26/2022]
Abstract
Commercial inulinase from Aspergillus niger was immobilized in montmorillonite and then treated in pressurized propane and liquefied petroleum gas (LPG). Firstly, the effects of system pressure, exposure time, and depressurization rate, using propane and LPG, on enzymatic activity were evaluated through central composite design 2³. Residual activities of 145.1 and 148.5% were observed for LPG (30 bar, 6 h, and depressurization rate of 20 bar min⁻¹) and propane (270 bar, 1 h, and depressurization rate of 100 bar min⁻¹), respectively. The catalysts treated at these conditions in both fluids were then used for the production of fructooligosaccharides (FOS) using sucrose and inulin as substrates in aqueous and organic systems. The main objective of this step was to evaluate the yield and productivity in FOS, using alternatives for enhancing enzyme activity by means of pressurized fluids and also using low-cost supports for enzyme immobilization, aiming at obtaining a stable biocatalyst to be used for synthesis reactions. Yields of 18% were achieved using sucrose as substrate in aqueous medium, showing the potential of this procedure, hence suggesting a further optimization step to increase the process yield.
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Affiliation(s)
- Graciele de Oliveira Kuhn
- Departamento de Engenharia de Alimentos, URI-Campus de Erechim, Av. Sete de Setembro 1621, Erechim, RS 99700-000, Brazil
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Volkov PV, Sinitsyna OA, Fedorova EA, Rojkova AM, Satrutdinov AD, Zorov IN, Okunev ON, Gusakov AV, Sinitsyn AP. Isolation and properties of recombinant inulinases from Aspergillus sp. BIOCHEMISTRY (MOSCOW) 2012; 77:492-501. [PMID: 22813590 DOI: 10.1134/s0006297912050094] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The genes inuA and inu1, encoding two inulinases (32nd glycosyl hydrolase family) from filamentous fungi Aspergillus niger and A. awamori, were cloned into Penicillium canescens recombinant strain. Using chromatographic techniques, endoinulinase InuA (56 kDa, pI 3) and exoinulinase Inu1 (60 kDa, pI 4.3) were purified to homogeneity from the enzymatic complexes of P. canescens new transformants. The properties, such as substrate specificity, pH- and T-optima of activity, stability at different temperatures, influence of cations and anions on the catalytic activity, etc., of both recombinant inulinases were studied.
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Affiliation(s)
- P V Volkov
- Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky pr. 33/2, 119071 Moscow, Russia
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Coghetto CC, Scherer RP, Silva MF, Golunski S, Pergher SB, de Oliveira D, Vladimir Oliveira J, Treichel H. Natural montmorillonite as support for the immobilization of inulinase from Kluyveromyces marxianus NRRL Y-7571. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2012. [DOI: 10.1016/j.bcab.2012.06.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Patel S, Goyal A. The current trends and future perspectives of prebiotics research: a review. 3 Biotech 2012. [DOI: 10.1007/s13205-012-0044-x] [Citation(s) in RCA: 123] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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Wang L, Huang Y, Long X, Meng X, Liu Z. Cloning of exoinulinase gene from Penicillium janthinellum strain B01 and its high-level expression in Pichia pastoris. J Appl Microbiol 2011; 111:1371-80. [DOI: 10.1111/j.1365-2672.2011.05145.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Santa GLM, Bernardino SMSA, Magalhães S, Mendes V, Marques MPC, Fonseca LP, Fernandes P. From inulin to fructose syrups using sol-gel immobilized inulinase. Appl Biochem Biotechnol 2011; 165:1-12. [PMID: 21445597 DOI: 10.1007/s12010-011-9228-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Accepted: 03/08/2011] [Indexed: 11/25/2022]
Abstract
The present work aims to provide the basic characterization of sol-gel immobilized inulinase, a biocatalyst configuration yet unexploited, using as model system the hydrolysis of inulin to fructose. Porous xerogel particles with dimensions in slight excess of 10 μm were obtained, yielding an immobilization efficiency of roughly 80%. The temperature- and pH-activity profiles displayed a broader bell-shaped pattern as a result of immobilization. In the latter case, a shift of the optimal pH of 0.5 pH units was observed towards a less acidic environment. The kinetic parameters estimated from the typical Michaelis-Menten kinetics suggest that immobilization in sol-gel did not tamper with the native enzyme conformation, but on the other hand, entrapment brought along mass transfer limitations. The sol-gel biocatalyst displayed a promising operational stability, since it was used in more than 20 consecutive 24-hour batch runs without noticeable decay in product yield. The performance of sol-gel biocatalyst particles doped with magnetite roughly matched the performance of simple sol-gel particles in a single batch run. However, the operational stability of the former proved poorer, since activity decay was evident after four consecutive 24-hour batch runs.
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Affiliation(s)
- Gonçalo L M Santa
- IBB-Institute for Biotechnology and Bioengineering, Centre for Biological and Chemical Engineering, Instituto Superior Técnico, 1049-001, Lisbon, Portugal
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