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Zhan YF, Meng ZH, Yan CH, Tan M, Khurshid M, Li YJ, Zheng SJ, Wang J. A novel cascade catalysis for one-pot enzymatically modified isoquercitrin (EMIQ) conversion from rutin and sucrose using rationally designed gradient temperature control. Food Chem 2024; 457:140163. [PMID: 38924912 DOI: 10.1016/j.foodchem.2024.140163] [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: 02/23/2024] [Revised: 06/14/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024]
Abstract
Enzymatically modified isoquercitrin (EMIQ) is a glyco-chemically modified flavonoid exhibiting notably high biological activity, such as antioxidant, anti-inflammatory and anti-allergic properties. However, the utilization of expensive substrates such as isoquercitrin and cyclodextrin in the conventional approach has hindered the industrial-scale production of EMIQ due to high cost and low yields. Hence, the development of a cost-effective and efficient method is crucial for the biological synthesis of EMIQ. In this study, a natural cascade catalytic reaction system was constructed with α-L-rhamnosidase and amylosucrase using the inexpensive substrates rutin and sucrose. Additionally, a novel approach integrating gradient temperature regulation into biological cascade reactions was implemented. Under the optimal conditions, the rutin conversion reached a remarkable 95.39% at 24 h. Meanwhile, the productivity of quercetin-3-O-tetraglucoside with the best bioavailability reached an impressive 41.69%. This study presents promising prospects for future mass production of EMIQ directly prepared from rutin and sucrose.
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Affiliation(s)
- Yu-Fan Zhan
- School of Biotechnology & School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, PR China
| | - Zhuo-Hao Meng
- School of Biotechnology & School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, PR China
| | - Cheng-Hai Yan
- School of Biotechnology & School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, PR China
| | - Min Tan
- School of Biotechnology & School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, PR China
| | - Marriam Khurshid
- School of Biotechnology & School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, PR China
| | - Yi-Jiangcheng Li
- School of Biotechnology & School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, PR China
| | - Shao-Jun Zheng
- School of Biotechnology & School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, PR China
| | - Jun Wang
- School of Biotechnology & School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, PR China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu 212100, PR China.
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Diano N, Ettari G, Grano V, Gaeta FS, Rossi S, Bencivenga U, D'Alterio C, Ruocco G, Mita L, De Santo NG, Canciglia P, Mita DG. Nonisothermal Reactors for the Production of Pure Water from Peritoneal Dialysis Waste Waters. Int J Artif Organs 2018; 30:53-63. [PMID: 17295193 DOI: 10.1177/039139880703000108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The diffusion of peritoneal dialysis (PD) at home is somewhat restricted by the difficulty of transport and storage of a large amount of dialytic solutions. This problem is exacerbated in the case of hemodialysis. With the aim of producing pure water to be used in preparing the solution for peritoneal dialysis, or for hemodialysis in general, as one example, we purified the spent dialysate solution from PD. Experiments were carried out with 24 dialysate solutions taken from 8 patients. Pure water was obtained by means of a thermodialysis process in a hollow fiber reactor operating under nonisothermal conditions. Results show that the yield of the nonisothermal process is dependent on the temperature difference applied across the hydrophobic membranes. The production of pure water per square meter of membrane and per hour was equal to 0.55 or 1.2 or 2.0 liters, with a temperature difference of 11°C or 21°C or 28°C, respectively. These results encourage the use of the thermodialysis process in the production of pure water for clinical uses
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Affiliation(s)
- N Diano
- Department of Experimental Medicine, Faculty of Medicine and Surgery, Second University of Naples, Naples, and Central Service of Nephrology and Dialysis, Hospital of Ceva, Italy
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Vasileva N, Ivanov Y, Damyanova S, Kostova I, Godjevargova T. Hydrolysis of whey lactose by immobilized β-galactosidase in a bioreactor with a spirally wound membrane. Int J Biol Macromol 2016; 82:339-46. [DOI: 10.1016/j.ijbiomac.2015.11.025] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2015] [Revised: 11/08/2015] [Accepted: 11/10/2015] [Indexed: 11/26/2022]
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Mita DG, Diano N, Grano V, Portaccio M, Rossi S, Bencivenga U, Manco I, Nicolucci C, Bianco M, Grimaldi T, Mita L, Georgieva S, Godjevargova T. The process of thermodialysis in bioremediation of waters polluted by endocrine disruptors. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcatb.2008.12.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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van Roon JL, Schroën CGPH, Tramper J, Beeftink HH. Biocatalysts: Measurement, modelling and design of heterogeneity. Biotechnol Adv 2007; 25:137-47. [PMID: 17196783 DOI: 10.1016/j.biotechadv.2006.11.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2006] [Accepted: 11/06/2006] [Indexed: 11/21/2022]
Abstract
Multiple phenomena are involved in conversions by immobilized biocatalysts. A paradox is identified between analytical desires on one hand and analytical boundary conditions on the other: while the study of interdependent phenomena would call for their simultaneous analysis in an integrated context, the available experimental options may impose a series of separate and dedicated analyses. From this analysis, bottlenecks in particle performance may be identified, if possible supported by a mechanistic model and performance criteria. Subsequently, a strategy for further biocatalyst development may be chosen. Finally, possibilities for future improvement of biocatalysts are discussed for various fields of research. Some examples of recent developments in enzyme and matrix characteristics, reactor operation, and micro-technology are discussed.
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Affiliation(s)
- J L van Roon
- Wageningen University, Food and Bioprocess Engineering Group, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
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Attanasio A, Diano N, Grano V, Sicuranza S, Rossi S, Bencivenga U, Fraconte L, Di Martino S, Canciglia P, Mita DG. Nonisothermal bioreactors in the treatment of vegetation waters from olive oil: laccase versus syringic acid as bioremediation model. Biotechnol Prog 2005; 21:806-15. [PMID: 15932260 DOI: 10.1021/bp0495724] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Laccase from Trametes versicolor was immobilized by diazotization on a nylon membrane grafted with glycidil methacrylate, using phenylenediamine as spacer and coupling agent. The behavior of these enzyme derivatives was studied under isothermal and nonisothermal conditions by using syringic acid as substrate, in view of the employment of these membranes in processes of detoxification of vegetation waters from olive oil mills. The pH and temperature dependence of catalytic activity under isothermal conditions has shown that these membranes can be usefully employed under extreme pH and temperatures. When employed under nonisothermal conditions, the membranes exhibited an increase of catalytic activity linearly proportional to the applied transmembrane temperature difference. Percentage activity increases ranging from 62% to 18% were found in the range of syringic acid concentration from 0.02 to 0.8 mM, when a difference of 1 degrees C was applied across the catalytic membrane. Because the percentage activity increase is strictly related to the reduction of the production times, the technology of nonisothermal bioreactors has been demonstrated to be an useful tool also in the treatment of vegetation waters from olive oil mills.
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Affiliation(s)
- Angelina Attanasio
- Department of Experimental Medicine, Faculty of Medicine and Surgery, Second University of Naples, Via S.M. di Costantinopoli 16, 80136 Naples, Italy
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