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Cipolatti EP, de Andrade Souza LT, Moreno-Pérez S, Pinto MCC, Manoel EA, de Oliveira D, Pessela BC. Application of Goat and Lamb Lipases on the Development of New Immobilized Biocatalysts Aiming at Fish Oil Hydrolysis. Appl Biochem Biotechnol 2024:10.1007/s12010-024-04942-2. [PMID: 38683451 DOI: 10.1007/s12010-024-04942-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/16/2024] [Indexed: 05/01/2024]
Abstract
The use of lipases from animal sources for the synthesis of new biocatalysts is barely studied in the literature. The present work focused on the immobilization of lipases from kid goat's and lamb's epiglottis in different ionic supports. For this, anionic supports (monoaminoethyl-N-aminoethyl-agarose (MANAE) and diethylaminoethyl-agarose (DEAE)) and cationic supports (carboxymethyl-agarose and sulfopropyl-agarose) were used. The immobilization parameters were evaluated, as well as the thermal stability of the immobilized enzymes and their stability at different values of pH. Then, the performance of the biocatalysts was evaluated in hydrolysis reactions for obtaining omega-3 fatty acids from fish oil (eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA)). Values of 100% of recovered activity were obtained for lipase from goats, indicating that it was possible to maintain all the enzymatic activities of the immobilized enzymes on the supports. The immobilized enzymes were more stable in different pH conditions and at a temperature of 50 °C, reaching values of stabilization factor of 12.17 and t1/2 of 9.86 h-1, for lamb lipase immobilized in sulfopropyl agarose. In general, the anionic supports led to lower Km values and the cationic ones to a higher Vmax. Lamb lipase showed the highest selectivity values for EPA/DHA, reaching values of 6.43 using MANAE. Thus, the high potential for using such biocatalysts from animal sources in the food or pharmaceutical industries is observed.
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Affiliation(s)
- Eliane Pereira Cipolatti
- Departamento de Biotecnología y Microbiología de los Alimentos, Instituto de Investigación en Ciencias de La Alimentación, CIAL-CSIC, Calle Nicolás Cabrera 9, Campus UAM, Cantoblanco, 28049, Madrid, Spain.
- Departamento de Engenharia Química E de Alimentos, Universidade Federal de Santa Catarina (UFSC), P.O. Box 476, Florianópolis, SC, 88040-900, Brazil.
- Departamento de Engenharia Química, Instituto de Tecnologia, Universidade Federal Rural Do Rio de Janeiro (UFRRJ), BR-465, Km 7, Seropédica, Rio de Janeiro, RJ 23.897-000, Brazil.
| | - Lívia Tereza de Andrade Souza
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Pampulha, Box 486, 31270-901, Belo Horizonte, Brazil
| | - Sonia Moreno-Pérez
- Departamento de Biotecnología y Microbiología de los Alimentos, Instituto de Investigación en Ciencias de La Alimentación, CIAL-CSIC, Calle Nicolás Cabrera 9, Campus UAM, Cantoblanco, 28049, Madrid, Spain
| | - Martina C C Pinto
- Programa de Engenharia Química, COPPE, Universidade Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Evelin Andrade Manoel
- Departamento de Biotecnologia Farmacêutica, Centro de Ciências da Saúde, Universidade Federal Do Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho, 373, Rio de Janeiro, RJ 21941-590, Brazil
| | - Débora de Oliveira
- Departamento de Engenharia Química E de Alimentos, Universidade Federal de Santa Catarina (UFSC), P.O. Box 476, Florianópolis, SC, 88040-900, Brazil
| | - Benevides Costa Pessela
- Departamento de Biotecnología y Microbiología de los Alimentos, Instituto de Investigación en Ciencias de La Alimentación, CIAL-CSIC, Calle Nicolás Cabrera 9, Campus UAM, Cantoblanco, 28049, Madrid, Spain
- Departamento de Engenharia E Tecnologias, Instituto Superior Politecnico E de Ciencias, ISPTEC, Av. Luanda Sul, Rua Lateral Via S10, Talatona-Luanda, Angola
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2
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Cyclic Production of Galacto-Oligosaccharides through Ultrafiltration-Assisted Enzyme Recovery. Processes (Basel) 2023. [DOI: 10.3390/pr11010225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Galacto-oligosaccharides (GOS) are prebiotics manufactured enzymatically from lactose as substrate. The growing GOS market facilitates the valorization of dairy by-products which represent cheap and abundant sources of lactose. Large-scale GOS production typically employs soluble enzymes in batch reactors that are commonly associated with low enzyme usability and, therefore, high operational expenditures. In this study, we investigate the possibility of recovering enzymes by ultrafiltration (UF) and reusing them in repeated reaction steps. The proposed process scheme included 24 h batch reaction steps with Biolacta N5, a commercial enzyme preparation of Bacillus circulans origin. The reaction steps were followed by UF steps to separate the carbohydrate products from the enzymes by applying a volume concentration factor of 8.6. Then, the collected biocatalysts were reused for repeated cycles by adding fresh lactose. Enzyme losses were quantified with a direct method by analyzing the underlying relationship between reaction rates and enzyme dosage obtained from additional experiments conducted with known enzyme loads. Within five cycles, the enzyme activity declined gradually from 923 to 8307 U·kg−1, and the half-life was estimated as ca. 15.3 h. The outcomes of this study may serve as a basis for further optimization of the reported process scheme with enhanced enzyme usability.
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Zhao SW, Zhou Q, Long NB, Zhang RF. Efficient synthesis of N-acetyllactosamine using immobilized β-galactosidase on a novel 3D polymer support. Enzyme Microb Technol 2022; 160:110070. [DOI: 10.1016/j.enzmictec.2022.110070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/09/2022] [Accepted: 05/28/2022] [Indexed: 11/03/2022]
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Potential and Scale-Up of Pore-Through-Flow Membrane Reactors for the Production of Prebiotic Galacto-Oligosaccharides with Immobilized β-Galactosidase. Catalysts 2021. [DOI: 10.3390/catal12010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The production of prebiotics like galacto-oligosaccharides (GOS) on industrial scale is becoming more important due to increased demand. GOS are synthesized in batch reactors from bovine lactose using the cost intensive enzyme β-galactosidase (β-gal). Thus, the development of sustainable and more efficient production strategies, like enzyme immobilization in membrane reactors are a promising option. Activated methacrylatic monoliths were characterized as support for covalent immobilized β-gal to produce GOS. The macroporous monoliths act as immobilized pore-through-flow membrane reactors (PTFR) and reduce the influence of mass-transfer limitations by a dominating convective pore flow. Monolithic designs in the form of disks (0.34 mL) and for scale-up cylindric columns (1, 8 and 80 mL) in three different reactor operation configurations (semi-continuous, continuous and continuous with recirculation) were studied experimentally and compared to the free enzyme system. Kinetic data, immobilization efficiency, space-time-yield and long-term stability were determined for the immobilized enzyme. Furthermore, simulation studies were conducted to identify optimal operation conditions for further scale-up. Thus, the GOS yield could be increased by up to 60% in the immobilized PTFRs in semi-continuous operation compared to the free enzyme system. The enzyme activity and long-time stability was studied for more than nine months of intensive use.
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Zhang X, Lu R, Wang Q, Hu M, Li Z, Xu M, Yang T, Zhang R, Rao Z. Production of d-Tagatose by Whole-Cell Conversion of Recombinant Bacillus subtilis in the Absence of Antibiotics. BIOLOGY 2021; 10:biology10121343. [PMID: 34943259 PMCID: PMC8698901 DOI: 10.3390/biology10121343] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/08/2021] [Accepted: 12/14/2021] [Indexed: 12/12/2022]
Abstract
Simple Summary d-tagatose is a valuable monosaccharide in the food industry produced from lactose by β-galactosidase and arabinose isomerase. To improve its production safety, d-alanine-deficient heterologous gene expression systems were constructed without antibiotics. The integrated expression and co-expression plasmids were used in different systems, also exploiting the need for d-alanine during cellular metabolism. The integration of the β-galactosidase gene in recombinant is uniquely innovative and promising, applying common knockout techniques to the expression of target genes and the production of high-value products. Abstract d-tagatose is a popular functional monosaccharide produced from lactose by β-galactosidase and arabinose isomerase. In this study, two d-alanine-deficient heterologous gene expression systems were constructed, B. subtilis 168 D1 and B. subtilis 168 D2, using overlapping extension PCR and the CRE/loxP system. The lacZ gene for β-galactosidase was integrated into a specific locus of the chassis B. subtilis 168 D2. A mutually complementary plasmid pMA5 with the alanine racemase gene alrA attached to it was constructed and used to assemble recombinant plasmids overexpressing β-galactosidase and arabinose isomerase. Afterward, an integrated recombinant was constructed by the plasmid expressing the arabinose isomerase gene araA of E. coli transform-competent B. subtilis 168 D2 cells. The co-expressing plasmids were introduced into alanine racemase knockout B. subtilis 168 D1. Whole-cell bioconversion was performed using the integrated recombinant with a maximum yield of 96.8 g/L d-tagatose from 500 g/L lactose, and the highest molar conversions were 57.2%. B. subtilis 168 D1/pMA5-alrA-araA-lacZ is capable of single-cell one-step production of d-tagatose. This study provides a new approach to the production of functional sugars.
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Fan R, Dresler J, Tissen D, Wen L, Czermak P. In situ purification and enrichment of fructo-oligosaccharides by fermentative treatment with Bacillus coagulans and selective catalysis using immobilized fructosyltransferase. BIORESOURCE TECHNOLOGY 2021; 342:125969. [PMID: 34587583 DOI: 10.1016/j.biortech.2021.125969] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/12/2021] [Accepted: 09/14/2021] [Indexed: 06/13/2023]
Abstract
Fructo-oligosaccharides (FOS) are prebiotic sugar substitutes that can be produced from sucrose using fructosyltransferases (FTases). However, the economic value of this process is limited by inefficient product purification and enzyme reusability. In this study, enzyme-free FOS preparations were produced by immobilizing the FTase on resin carriers. This also increased the catalytic selectivity of the enzyme. However, the crude FOS preparations still contained high concentrations of monosaccharide byproducts and residual disaccharides that must be removed because they lack prebiotic activity. A hybrid process was developed in which fed-batch fermentation was combined with the probiotic bacterium Bacillus coagulans (which selectively utilizes monosaccharides) and the simultaneous conversion of residual sucrose using the FTase to increase FOS purity. This process depleted the monosaccharides and increased the concentration of FOS to 130-170 g·L-1. The residual sucrose was converted to FOS by the immobilized FTase, increasing the overall purity of FOS to 92.1%.
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Affiliation(s)
- Rong Fan
- Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Wiesenstrasse 14, 35390 Giessen, Germany; Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Ohlebergsweg 12, 35392, Giessen, Germany.
| | - Josephine Dresler
- Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Wiesenstrasse 14, 35390 Giessen, Germany; Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Ohlebergsweg 12, 35392, Giessen, Germany
| | - Dennis Tissen
- Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Wiesenstrasse 14, 35390 Giessen, Germany
| | - Linxuan Wen
- Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Wiesenstrasse 14, 35390 Giessen, Germany; Faculty of Biology and Chemistry, Justus-Liebig University of Giessen, Heinrich-Buff-Ring 17, 35392, Giessen, Germany
| | - Peter Czermak
- Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Wiesenstrasse 14, 35390 Giessen, Germany; Faculty of Biology and Chemistry, Justus-Liebig University of Giessen, Heinrich-Buff-Ring 17, 35392, Giessen, Germany
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Rodrigues RC, Berenguer-Murcia Á, Carballares D, Morellon-Sterling R, Fernandez-Lafuente R. Stabilization of enzymes via immobilization: Multipoint covalent attachment and other stabilization strategies. Biotechnol Adv 2021; 52:107821. [PMID: 34455028 DOI: 10.1016/j.biotechadv.2021.107821] [Citation(s) in RCA: 207] [Impact Index Per Article: 69.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/26/2021] [Accepted: 08/21/2021] [Indexed: 12/22/2022]
Abstract
The use of enzymes in industrial processes requires the improvement of their features in many instances. Enzyme immobilization, a requirement to facilitate the recovery and reuse of these water-soluble catalysts, is one of the tools that researchers may utilize to improve many of their properties. This review is focused on how enzyme immobilization may improve enzyme stability. Starting from the stabilization effects that an enzyme may experience by the mere fact of being inside a solid particle, we detail other possibilities to stabilize enzymes: generation of favorable enzyme environments, prevention of enzyme subunit dissociation in multimeric enzymes, generation of more stable enzyme conformations, or enzyme rigidification via multipoint covalent attachment. In this last point, we will discuss the features of an "ideal" immobilization protocol to maximize the intensity of the enzyme-support interactions. The most interesting active groups in the support (glutaraldehyde, epoxide, glyoxyl and vinyl sulfone) will be also presented, discussing their main properties and uses. Some instances in which the number of enzyme-support bonds is not directly related to a higher stabilization will be also presented. Finally, the possibility of coupling site-directed mutagenesis or chemical modification to get a more intense multipoint covalent immobilization will be discussed.
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Affiliation(s)
- Rafael C Rodrigues
- Biocatalysis and Enzyme Technology Lab, Institute of Food Science and Technology, Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9500, P.O. Box 15090, Porto Alegre, RS, Brazil
| | | | - Diego Carballares
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC Cantoblanco, Madrid, Spain
| | | | - Roberto Fernandez-Lafuente
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC Cantoblanco, Madrid, Spain; Center of Excellence in Bionanoscience Research, External Scientific Advisory Academics, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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Adaro M, Bersi G, Talia JM, Bernal C, Guzmán F, Vallés D, Barberis S. Biosynthesis of a Novel Antibacterial Dipeptide, Using Proteases From South American Native Fruits, Useful as a Food Preservative. Front Nutr 2021; 8:685330. [PMID: 34262924 PMCID: PMC8273232 DOI: 10.3389/fnut.2021.685330] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/03/2021] [Indexed: 11/25/2022] Open
Abstract
Antiacanthain and granulosain are the partially purified proteolytic extracts from the South American native fruits of Bromelia antiacantha (Bertol. ) and Solanum granuloso leprosum, respectively. The aim of this work was to compare the ability of both soluble and immobilized antiacanthain and granulosain f or the synthesis of Z-Tyr-Val-OH, a novel antibacterial dipeptide, in different reaction systems formed by almost anhydrous organic solvents (Xw: 1 × 10−5) and several percentages of immiscible organic solvents in 100 mM Tris(hydroxymethyl)aminomethane hydrochloride buffer pH 8.0. Soluble antiacanthain in half of the 24 different organic biphasic media showed higher catalytic potential than in 100 mM Tris(hydroxymethyl)aminomethane hydrolchloride buffer pH 8.0. Soluble granulosain showed lower catalytic potential in all liquid-liquid biphasic media than in the same buffer. However, 50% (v/v) ethyl ethanoate in 100 mM Tris(hydroxymethyl)aminomethane hydrolchloride buffer pH 8.0 allowed to express the highest catalytic potential of both soluble enzymes. In 50% v/v ethyl ethanoate, soluble antiacanthain and granulosain catalyzed the synthesis of Z-Tyr-Val-OH with 72 ± 0.15 and 60 ± 0.10% maximal peptide yields, respectively. Multi-point immobilization in glyoxyl-silica did not lead to better peptide yields than soluble enzymes, in that liquid-liquid biphasic medium under the same reaction conditions. Soluble and glyoxyl-silica immobilized antiacanthain in almost anhydrous ethyl ethanoate (Xw: 1 × 10−5) were able to retain 17.3 and 45% of the initial proteolytic activity of antiacanthain in 100 mM Tris hydrolchloride buffer pH 8.0, respectively, at 40°C under agitation (200 rpm). Soluble and glyoxyl-silica immobilized granulosain were inactivated under the same reaction conditions. Glyoxyl-silica immobilized antiacanthain showed to be a robust biocatalyst in almost anhydrous ethyl ethanoate (Xw: 1 × 10−5), eliciting the best peptide yield (75 ± 0.13%). The synthesis reaction of Z-Tyr-Val-OH could not proceed when soluble antiacanthain was used under the same conditions. Both peptidases only catalyzed the synthesis reaction under kinetic control, using activated acyl donor substrates. Finally, this work reports a novel broad-spectrum antibacterial peptide that significantly decreased (p ≤ 0.05) the specific growth rates of Gram positive and Gram negative microorganisms at very low concentrations (≥15 and 35 μg/ml, respectively); contributing with a new safe food preservative of applying for different food systems.
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Affiliation(s)
- Mauricio Adaro
- Laboratorio Control de Calidad y Desarrollo de Bromatología, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, San Luis, Argentina.,Instituto de Física Aplicada (INFAP) - Centro Científico Tecnológico (CCT San Luis) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
| | - Grisel Bersi
- Laboratorio Control de Calidad y Desarrollo de Bromatología, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, San Luis, Argentina.,Instituto de Física Aplicada (INFAP) - Centro Científico Tecnológico (CCT San Luis) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
| | - Juan Manuel Talia
- Laboratorio de Físico-Química, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, San Luis, Argentina
| | - Claudia Bernal
- Tecnología Enzimática para Bioprocesos, Departamento de Ingeniería de Alimentos, Universidad de La Serena, La Serena, Chile
| | - Fanny Guzmán
- Laboratorio de Diseño y Síntesis de Péptidos, Núcleo de Biotecnología Curauma, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile
| | - Diego Vallés
- Laboratorio de Enzimas Hidrolíticas, Facultad de Ciencias, Universidad de la República (UdelaR), Montevideo, Uruguay
| | - Sonia Barberis
- Laboratorio Control de Calidad y Desarrollo de Bromatología, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, San Luis, Argentina.,Instituto de Física Aplicada (INFAP) - Centro Científico Tecnológico (CCT San Luis) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
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Ammeri RW, Hassen W, Hidri Y, Di Rauso Simeone G, Hassen A. Macrophyte and indigenous bacterial co-remediation process for pentachlorophenol removal from wastewater. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2021; 24:271-282. [PMID: 34121527 DOI: 10.1080/15226514.2021.1933897] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This study has contributed in the description of bioaugmentation-phytoremediation efficiency process using Typha angustifolia concerning PCP tolerance and removal from wastewater. Samples of wastewater were collected from industrial wastewater plants, namely row wastewater effluent "E.WW", primary wastewater "P.WW", secondary wastewater "S.WW", clarified wastewater "AC.WW". These effluents were spiked with PCP at different rate (100, 500, and 1000 mg.L-1), physical, chemical and biological properties were monitored. A second experiment was set up in order to check the efficiency of phytoremediation treatments of the different effluents artificially contaminated with 200 mg.L-1 PCP after 20 days lab scale experiment. An important PCP removal by indigenous bacteria was showed in S. WW with values from 1000 to 72.2 mg.L-1 from T0 (start of the experiment) to TF (end of the experiment), respectively. Phytoremediation process allowed a decrease of PCP rate from 200 to 6.4 mg.L-1, a decrease of chloride content from 14.0 to 4.0 mg.L-1 in S.WW samples was observed. Furthermore, a significant increase of bacterial number in S.WW and AC.WW to 1.700 × 106 and 1.450 × 106 CFU.mL-1, respectively was observed. In addition, the DGGE analysis showed that after bioaugmentation-phytoremediation treatments, the highest species richness and relative abundance in wastewater effluent was observed. Novelty statement Pentachlorophenol (PCP) is one of highly toxic of polychlorophenols and required to continuously monitor in environment. This paper presenting a sensitive method phytoremediation and bioaugmentation for PCP biotransformation in wastewater. The novelty is the choice of a macrophyte Typha angustifolia, which is still used for the elimination of heavy metals but it not used for pesticide and pollutant removal in wastewater. Also, there are different analysis that was performed in order to check phyto-technique process (DGGE and HPLC). On the other side, in this study, the phyto-techniques with Typha angustifolia positively affected intrinsic microorganisms in order to promote pollutant remediation. So, the intrinsic microorganisms in wastewater with the macrophyte presence have a great capacity to reduce this pollutant and improve the bioremediation process.
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Affiliation(s)
- Rim Werheni Ammeri
- Water Treatment and Recycling Laboratory, Water Research and Technology Center (CERTE), Technopole Borj-Cédria, Soliman, Tunisia
- Faculty of Sciences of Tunis (FST), University of Mathematical, Physical and Natural Sciences of Tunis El Manar, Tunis, Tunisia
| | - Wafa Hassen
- Research Unit of Analysis and Process Applied to the Environmental (APAE), Higher Institute of Applied Sciences and Technology Mahdia, University of Monastir, Monastir, Tunisia
| | - Yassine Hidri
- Integrated Olive Oil Production Laboratory (LR 16IO3), Cité Mahragène, Tunis, Tunisia
| | | | - Abdennaceur Hassen
- Water Treatment and Recycling Laboratory, Water Research and Technology Center (CERTE), Technopole Borj-Cédria, Soliman, Tunisia
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Braham SA, Morellon-Sterling R, de Andrades D, Rodrigues RC, Siar EH, Aksas A, Pedroche J, Millán MDC, Fernandez-Lafuente R. Effect of Tris Buffer in the Intensity of the Multipoint Covalent Immobilization of Enzymes in Glyoxyl-Agarose Beads. Appl Biochem Biotechnol 2021; 193:2843-2857. [PMID: 34019251 DOI: 10.1007/s12010-021-03570-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 04/08/2021] [Indexed: 12/12/2022]
Abstract
Tris is an extensively used buffer that presents a primary amine group on its structure. In the present work trypsin, chymotrypsin and penicillin G acylase (PGA) were immobilized/stabilized on glyoxyl agarose in presence of different concentrations of Tris (from 0 to 20 mM). The effects of the presence of Tris during immobilization were studied analyzing the thermal stability of the obtained immobilized biocatalysts. The results indicate a reduction of the enzyme stability when immobilized in the presence of Tris. This effect can be observed in inactivations carried out at pH 5, 7, and 9 with all the enzymes assayed. The reduction of enzyme stability increased with the Tris concentration. Another interesting result is that the stability reduction was more noticeable for immobilized PGA than in the other immobilized enzymes, the biocatalysts prepared in presence of 20 mM Tris lost totally the activity at pH 7 just after 1 h of inactivation, while the reference at this time still kept around 61 % of the residual activity. These differences are most likely due to the homogeneous distribution of the Lys groups in PGA compared to trypsin and chymotrypsin (where almost 50% of Lys group are in a small percentage of the protein surface). The results suggest that Tris could be affecting the multipoint covalent immobilization in two different ways, on one hand, reducing the number of available glyoxyl groups of the support during immobilization, and on the other hand, generating some steric hindrances that difficult the formation of covalent bonds.
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Affiliation(s)
- Sabrina Ait Braham
- Laboratoire de Biotechnologies Végétales et Ethnobotanique, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000, Bejaia, Algeria
| | | | - Diandra de Andrades
- Departamento de Biocatálisis, Instituto de Catálisis-CSIC, C/ Marie Curie 2, Campus UAM-CSI, Cantoblanco, 28049, Madrid, Spain.,Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rafael C Rodrigues
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - El-Hocine Siar
- Departamento de Biocatálisis, Instituto de Catálisis-CSIC, C/ Marie Curie 2, Campus UAM-CSI, Cantoblanco, 28049, Madrid, Spain.,Transformation and Food Product Elaboration Laboratory, Nutrition and Food Technology Institute (INATAA), University of Brothers Mentouri Constantine 1, Constantine, Algeria
| | - Ali Aksas
- Laboratoire de Biotechnologies Végétales et Ethnobotanique, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000, Bejaia, Algeria
| | - Justo Pedroche
- Group of Plant Proteins, Department of Food and Health, Instituto de la Grasa-CSIC, Seville, Spain
| | - Maria Del Carmen Millán
- Group of Plant Proteins, Department of Food and Health, Instituto de la Grasa-CSIC, Seville, Spain
| | - Roberto Fernandez-Lafuente
- Departamento de Biocatálisis, Instituto de Catálisis-CSIC, C/ Marie Curie 2, Campus UAM-CSI, Cantoblanco, 28049, Madrid, Spain. .,Center of Excellence in Bionanoscience Research, External Scientific Advisory Academics, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
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11
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Pottratz I, Schmidt C, Müller I, Hamel C. Immobilization of
β
‐Galactosidase on Monolithic Discs for the Production of Prebiotics Galacto‐oligosaccharides. CHEM-ING-TECH 2021. [DOI: 10.1002/cite.202000231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ines Pottratz
- Anhalt University of Applied Sciences Applied Biosciences and Process Engineering Bernburger Straße 55 06366 Koethen Germany
| | - Christoph Schmidt
- Anhalt University of Applied Sciences Applied Biosciences and Process Engineering Bernburger Straße 55 06366 Koethen Germany
| | - Ines Müller
- Anhalt University of Applied Sciences Applied Biosciences and Process Engineering Bernburger Straße 55 06366 Koethen Germany
| | - Christof Hamel
- Anhalt University of Applied Sciences Applied Biosciences and Process Engineering Bernburger Straße 55 06366 Koethen Germany
- Otto von Guericke University Institute of Process Engineering Universitätsplatz 2 39106 Magdeburg Germany
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12
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Mahato DK, Keast R, Liem DG, Russell CG, Cicerale S, Gamlath S. Sugar Reduction in Dairy Food: An Overview with Flavoured Milk as an Example. Foods 2020; 9:E1400. [PMID: 33023125 PMCID: PMC7600122 DOI: 10.3390/foods9101400] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/30/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
Owing to the public health concern associated with the consumption of added sugar, the World Health Organization recommends cutting down sugar in processed foods. Furthermore, due to the growing concern of increased calorie intake from added sugar in sweetened dairy foods, the present review provides an overview of different types and functions of sugar, various sugar reduction strategies, and current trends in the use of sweeteners for sugar reduction in dairy food, taking flavoured milk as a central theme where possible to explore the aforementioned aspects. The strength and uniqueness of this review are that it brings together all the information on the available types of sugar and sugar reduction strategies and explores the current trends that could be applied for reducing sugar in dairy foods without much impact on consumer acceptance. Among different strategies for sugar reduction, the use of natural non-nutritive sweeteners (NNSs), has received much attention due to consumer demand for natural ingredients. Sweetness imparted by sugar can be replaced by natural NNSs, however, sugar provides more than just sweetness to flavoured milk. Sugar reduction involves multiple technical challenges to maintain the sensory properties of the product, as well as to maintain consumer acceptance. Because no single sugar has a sensory profile that matches sucrose, the use of two or more natural NNSs could be an option for food industries to reduce sugar using a holistic approach rather than a single sugar reduction strategy. Therefore, achieving even a small sugar reduction can significantly improve the diet and health of an individual.
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Affiliation(s)
- Dipendra Kumar Mahato
- CASS Food Research Centre, School of Exercise and Nutrition Sciences, Deakin University, Burwood, VIC 3125, Australia; (R.K.); (D.G.L.); (C.G.R.); (S.C.); (S.G.)
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13
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da Silva RM, Gonçalves LRB, Rodrigues S. Different strategies to co-immobilize dextransucrase and dextranase onto agarose based supports: Operational stability study. Int J Biol Macromol 2020; 156:411-419. [PMID: 32302628 DOI: 10.1016/j.ijbiomac.2020.04.077] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 04/02/2020] [Accepted: 04/07/2020] [Indexed: 12/14/2022]
Abstract
Co-immobilization is a groundbreaking technique for enzymatic catalysis, sometimes strategic, as for dextransucrase and dextranase. In this approach, dextranase hydrolytic action removes the dextran layer that covers dextransucrase reactive groups, improving the immobilization. Another advantage is the synergic effect of the two enzymes towards prebiotic oligosaccharides production. Thus, both enzymes were co-immobilized onto the heterobifunctional support Amino-Epoxy-Glyoxyl-Agarose (AMEG) and the ion exchanger support monoaminoethyl-N-ethyl-agarose (Manae) at pH 5.2 and 10, followed or not by glutaraldehyde treatment. This work is the first attempt to immobilize dextransucrase under alkaline conditions. The immobilized dextransucrase on AMEG support at pH 10 (12.78 ± 0.70 U/g) presents a similar activity of the biocatalyst produced at pH 5.2 (14.95 ± 0.82 U/g). The activity of dextranase immobilized onto Manae was 5-fold higher than the obtained onto AMEG support. However, the operational stability test showed that the biocatalyst produced on AMEG at pH 5.2 kept >60% of both enzyme activities for five batches. The glutaraldehyde treatment was not worthwhile to improve the operational stability of this biocatalyst.
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Affiliation(s)
- Rhonyele Maciel da Silva
- Federal University of Ceará, Chemical Engineering Department, Campus do Pici, Bloco 709, CEP 60440-900 Fortaleza, CE, Brazil
| | - Luciana R B Gonçalves
- Federal University of Ceará, Chemical Engineering Department, Campus do Pici, Bloco 709, CEP 60440-900 Fortaleza, CE, Brazil
| | - Sueli Rodrigues
- Federal University of Ceará, Food Engineering Department, Campus do Pici, Bloco 858, CEP 60440-900 Fortaleza, CE, Brazil.
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14
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Improvement of enzymatic performance of Asclepias curassavica L. proteases by immobilization. Application to the synthesis of an antihypertensive peptide. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.05.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Guerrero C, Súarez S, Aburto C, Ubilla C, Ramírez N, Vera C, Illanes A. Comparison of batch and repeated batch operation of lactulose synthesis with cross-linked aggregates of Bacillus circulans β-galactosidase. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.04.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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16
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Ureta MM, Martins GN, Figueira O, Pires PF, Castilho PC, Gomez-Zavaglia A. Recent advances in β-galactosidase and fructosyltransferase immobilization technology. Crit Rev Food Sci Nutr 2020; 61:2659-2690. [PMID: 32590905 DOI: 10.1080/10408398.2020.1783639] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The highly demanding conditions of industrial processes may lower the stability and affect the activity of enzymes used as biocatalysts. Enzyme immobilization emerged as an approach to promote stabilization and easy removal of enzymes for their reusability. The aim of this review is to go through the principal immobilization strategies addressed to achieve optimal industrial processes with special care on those reported for two types of enzymes: β-galactosidases and fructosyltransferases. The main methods used to immobilize these two enzymes are adsorption, entrapment, covalent coupling and cross-linking or aggregation (no support is used), all of them having pros and cons. Regarding the support, it should be cost-effective, assure the reusability and an easy recovery of the enzyme, increasing its stability and durability. The discussion provided showed that the type of enzyme, its origin, its purity, together with the type of immobilization method and the support will affect the performance during the enzymatic synthesis. Enzymes' immobilization involves interdisciplinary knowledge including enzymology, nanotechnology, molecular dynamics, cellular physiology and process design. The increasing availability of facilities has opened a variety of possibilities to define strategies to optimize the activity and re-usability of β-galactosidases and fructosyltransferases, but there is still great place for innovative developments.
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Affiliation(s)
- Maria Micaela Ureta
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata), La Plata, Argentina
| | | | - Onofre Figueira
- CQM - Centro de Química da Madeira, Universidade da Madeira, Funchal, Portugal
| | - Pedro Filipe Pires
- CQM - Centro de Química da Madeira, Universidade da Madeira, Funchal, Portugal
| | | | - Andrea Gomez-Zavaglia
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata), La Plata, Argentina
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17
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Interfacial Biocatalytic Performance of Nanofiber-Supported β-Galactosidase for Production of Galacto-Oligosaccharides. Catalysts 2020. [DOI: 10.3390/catal10010081] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Molecular distribution, structural conformation and catalytic activity at the interface between enzyme and its immobilising support are vital in the enzymatic reactions for producing bioproducts. In this study, a nanobiocatalyst assembly, β-galactosidase immobilized on chemically modified electrospun polystyrene nanofibers (PSNF), was synthesized for converting lactose into galacto-oligosaccharides (GOS). Characterization results using scanning electron microscopy (SEM) and fluorescence analysis of fluorescein isothiocyanat (FITC) labelled β-galactosidase revealed homogenous enzyme immobilization, thin layer structural conformation and biochemical functionalities of the nanobiocatalyst assembly. The β-galactosidase/PSNF assembly displayed enhanced enzyme catalytic performance at a residence time of around 1 min in a disc-stacked column reactor. A GOS yield of 41% and a lactose conversion of 88% was achieved at the initial lactose concentration of 300 g/L at this residence time. This system provided a controllable contact time of products and substrates on the nanofiber surface and could be used for products which are sensitive to the duration of nanobiocatalysis.
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18
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Aslan Y, Sharif YM, Şahin Ö. Covalent immobilization of Aspergillus niger amyloglucosidase (ANAG) with ethylenediamine-functionalized and glutaraldehyde-activated active carbon (EFGAAC) obtained from sesame seed shell. Int J Biol Macromol 2020; 142:222-231. [DOI: 10.1016/j.ijbiomac.2019.09.226] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 09/22/2019] [Accepted: 09/24/2019] [Indexed: 01/06/2023]
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19
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Vera C, Guerrero C, Aburto C, Cordova A, Illanes A. Conventional and non-conventional applications of β-galactosidases. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140271. [DOI: 10.1016/j.bbapap.2019.140271] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/15/2019] [Accepted: 08/30/2019] [Indexed: 02/04/2023]
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20
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Effect of the lactose hydrolysis on galacto-oligosaccharides mixtures subjected to nanofiltration: A detailed fractionation analysis. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.04.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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21
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Ospina V, Bernal C, Mesa M. Thermal Hyperactivation and Stabilization of β-Galactosidase from Bacillus circulans through a Silica Sol–Gel Process Mediated by Chitosan–Metal Chelates. ACS APPLIED BIO MATERIALS 2019; 2:3380-3392. [DOI: 10.1021/acsabm.9b00371] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Viviana Ospina
- Grupo Ciencia de los Materiales, Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, UdeA, Calle 70 no. 52-21, Medellín 1226, Colombia
| | - Claudia Bernal
- Instituto de Investigación Multidisciplinario en Ciencia y Tecnología, Tecnología Enzimática para Bioprocesos, Departamento de Ingeniería de Alimentos, Universidad de La Serena, Raul Bitran, La Serena 1305,Chile
| | - Monica Mesa
- Grupo Ciencia de los Materiales, Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, UdeA, Calle 70 no. 52-21, Medellín 1226, Colombia
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22
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Simović M, Milivojević A, Ćorović M, Banjanac K, Bezbradica D. Whey valorization using transgalactosylation activity of immobilized β‐galactosidase. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14222] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Milica Simović
- Department of Biochemical Engineering and Biotechnology Faculty of Technology and Metallurgy University of Belgrade Karnegijeva 4 11000 Beograd Serbia
| | - Ana Milivojević
- Innovation Center Faculty of Technology and Metallurgy University of Belgrade Karnegijeva 4 11000 Beograd Serbia
| | - Marija Ćorović
- Department of Biochemical Engineering and Biotechnology Faculty of Technology and Metallurgy University of Belgrade Karnegijeva 4 11000 Beograd Serbia
| | - Katarina Banjanac
- Innovation Center Faculty of Technology and Metallurgy University of Belgrade Karnegijeva 4 11000 Beograd Serbia
- Directorate of Measures and Precious Metals Group for Metrology in Chemistry Mike Alasa 1411000 Beograd Serbia
| | - Dejan Bezbradica
- Department of Biochemical Engineering and Biotechnology Faculty of Technology and Metallurgy University of Belgrade Karnegijeva 4 11000 Beograd Serbia
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23
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Bilal M, Iqbal HMN. Naturally-derived biopolymers: Potential platforms for enzyme immobilization. Int J Biol Macromol 2019; 130:462-482. [PMID: 30825566 DOI: 10.1016/j.ijbiomac.2019.02.152] [Citation(s) in RCA: 170] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 02/17/2019] [Accepted: 02/26/2019] [Indexed: 02/08/2023]
Abstract
Naturally-derived biopolymers such as alginate, chitosan, cellulose, agarose, guar gum/guaran, agar, carrageenan, gelatin, dextran, xanthan, and pectins, etc. have appealed significant attention over the past several years owing to their natural abundance and availability all over the years, around the globe. In addition, their versatile properties such as non-toxicity, biocompatibility, biodegradability, flexibility, renewability, and the availability of numerous reactive sites offer significant functionalities with multipurpose applications. At present, intensive research efforts have been focused on engineering enzymes using natural biopolymers as novel support/composite materials for diverse applications in biomedical, environmental, pharmaceutical, food and biofuel/energy sectors. Immobilization appears as a straightforward and promising approach to developing biocatalysts with improved catalytic properties as compared to their free counterparts. Biopolymers-assisted enzymes are more stable, robust, and recoverable than that of free forms, and can be employed for continuous biocatalytic reactions. The present review highlights the recent developments and use of biopolymers and their advanced composites as support carriers for the immobilization of a variety of different enzymes to develop biocatalysts with desired catalytic activity and stability characteristics for emerging applications.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico.
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24
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Martins GN, Ureta MM, Tymczyszyn EE, Castilho PC, Gomez-Zavaglia A. Technological Aspects of the Production of Fructo and Galacto-Oligosaccharides. Enzymatic Synthesis and Hydrolysis. Front Nutr 2019; 6:78. [PMID: 31214595 PMCID: PMC6554340 DOI: 10.3389/fnut.2019.00078] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 05/15/2019] [Indexed: 12/13/2022] Open
Abstract
Fructo- and galacto-oligosaccharides (FOS and GOS) are non-digestible oligosaccharides with prebiotic properties that can be incorporated into a wide number of products. This review details the general outlines for the production of FOS and GOS, both by enzymatic synthesis using disaccharides or other substrates, and by hydrolysis of polysaccharides. Special emphasis is laid on technological aspects, raw materials, properties, and applications.
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Affiliation(s)
- Gonçalo N. Martins
- Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, Funchal, Portugal
| | - Maria Micaela Ureta
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata), La Plata, Argentina
| | - E. Elizabeth Tymczyszyn
- Laboratorio de Microbiología Molecular, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Argentina
| | - Paula C. Castilho
- Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, Funchal, Portugal
| | - Andrea Gomez-Zavaglia
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata), La Plata, Argentina
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25
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Guerrero C, Valdivia F, Ubilla C, Ramírez N, Gómez M, Aburto C, Vera C, Illanes A. Continuous enzymatic synthesis of lactulose in packed-bed reactor with immobilized Aspergillus oryzae β-galactosidase. BIORESOURCE TECHNOLOGY 2019; 278:296-302. [PMID: 30708333 DOI: 10.1016/j.biortech.2018.12.018] [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] [Received: 10/25/2018] [Revised: 12/03/2018] [Accepted: 12/06/2018] [Indexed: 06/09/2023]
Abstract
Lactulose synthesis from fructose and lactose in continuous packed-bed reactor operation with glyoxyl-agarose immobilized Aspergillus oryzae β-galactosidase is reported for the first time. Alternative strategies to conventional batch synthesis have been scarcely explored for lactulose synthesis. The effect of flow rate, substrates ratio and biocatalyst-inert packing material mass ratio (MB/MIM) were studied on reactor performance. Increase in any of these variables produced an increase in lactulose yield (YLu) being higher than obtained in batch synthesis at comparable conditions. Maximum YLu of 0.6 g·g-1 was obtained at 50 °C, pH 4.5, 50% w/w total sugars, 15 mL·min-1, fructose/lactose molar ratio of 12 and MB/MIM of 1/8 g·g-1; at such conditions yield of transgalactosylated oligosaccharides (YTOS) was 0.16 g·g-1, selectivity (lactulose/TOS molar ratio) was 5.4 and lactose conversion (XLactose) was 28%. Reactor operation with recycle had no significant effect on yield, producing only some decrease in productivity.
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Affiliation(s)
- Cecilia Guerrero
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile.
| | - Felipe Valdivia
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
| | - Claudia Ubilla
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
| | - Nicolás Ramírez
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
| | - Matías Gómez
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
| | - Carla Aburto
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
| | - Carlos Vera
- Department of Biology, Faculty of Chemistry and Biology, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Andrés Illanes
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
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26
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Thermal inactivation kinetics of Aspergillus oryzae β-galactosidase in concentrated lactose solution. ACTA CHIMICA SLOVACA 2018. [DOI: 10.2478/acs-2018-0024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Thermal inactivation of a commercial β-galactosidase from Aspergillus oryzae in a 300 g/L lactose solution was studied in the temperature range of 65–75 °C. Lactose exhibited a stabilisation effect when similar inactivation rates as those in lactose solution were observed in a lactose-free solution at temperatures lower by 5°C. Inactivation process in the lactose solution was biphasic. A kinetic model based on the Lumry-Eyring mechanism was proposed and successfully verified. Estimated activation energy values were very different. Rather high activation energy values of the forward reactions were responsible for both the significant change of rate constants and the rate-controlling reaction with temperature. For these two reasons, an increase of the operational lifetime of the enzyme from 7 days at 60 °C to 580 days at 55 °C was predicted.
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27
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Suárez S, Guerrero C, Vera C, Illanes A. Effect of particle size and enzyme load on the simultaneous reactions of lactose hydrolysis and transgalactosylation with glyoxyl-agarose immobilized β-galactosidase from Aspergillus oryzae. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.08.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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28
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Guerrero C, Aburto C, Suárez S, Vera C, Illanes A. Effect of the type of immobilization of β-galactosidase on the yield and selectivity of synthesis of transgalactosylated oligosaccharides. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2018. [DOI: 10.1016/j.bcab.2018.08.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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29
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Whey permeate as the raw material in galacto-oligosaccharide synthesis using commercial enzymes. Food Res Int 2018; 124:78-85. [PMID: 31466653 DOI: 10.1016/j.foodres.2018.09.019] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 09/04/2018] [Accepted: 09/08/2018] [Indexed: 12/13/2022]
Abstract
Galacto-oligosaccharides (GOS), molecules with prebiotic properties are considered promising in the food industry. Its synthesis can be performed by enzymatic pathway, using commercial microbial enzymes. The reaction, known as transgalactosylation, is mediated by the enzyme β-galactosidase and its catalysis is influenced during the process by substrate concentration present (in this case lactose), pH, and temperature, among others. The use of whey permeate, a by-product of the dairy industry, demonstrates the interest in making such processes viable from an economic and technological point of view. The main of this work was to use whey permeate as raw material in an enzymatic GOS synthesis, comparing three commercial enzymes of different microbial sources. For better performance, the results on lactose conversion, yield, and specific productivity were evaluated. The commercial enzyme of Kluyveromyces lactis (Lactozyme™ 2600 L) showed the best results for lactose conversion (89.27%), yield (25 g GOS/100 g lactose) and specific productivity (51 g GOS/g enzyme*h). Thus, it can be considered suitable for further technological development. Aspergillus oryzae commercial enzyme also showed good results and could be used for other studies either. However, the Escherichia coli commercial enzyme did not present good results in GOS synthesis, being more appropriate to lactose hydrolysis reactions. All the three enzymes showed a decrease in the production and even depletion of GOS molecules, and therefore, smaller reaction times should be established. New stages of optimization and processes development should be considered in future works, in order to obtain best yields and productivities.
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30
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Urrutia P, Bernal C, Wilson L, Illanes A. Use of chitosan heterofunctionality for enzyme immobilization: β-galactosidase immobilization for galacto-oligosaccharide synthesis. Int J Biol Macromol 2018; 116:182-193. [DOI: 10.1016/j.ijbiomac.2018.04.112] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 04/19/2018] [Accepted: 04/21/2018] [Indexed: 12/23/2022]
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31
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Xavier JR, Ramana KV, Sharma RK. β-galactosidase: Biotechnological applications in food processing. J Food Biochem 2018. [DOI: 10.1111/jfbc.12564] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Janifer Raj Xavier
- Food Biotechnology Division, Defence Food Research Laboratory; Defence Research and Development Organization; Mysore Karnataka India
| | - Karna Venkata Ramana
- Food Biotechnology Division, Defence Food Research Laboratory; Defence Research and Development Organization; Mysore Karnataka India
| | - Rakesh Kumar Sharma
- Defence Food Research Laboratory; Defence Research and Development Organization; Mysore Karnataka India
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32
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Adamíková J, Antošová M, Polakovič M. A Method of Early Phase Selection of Carrier for Aspergillus Oryzae β
-Galactosidase Immobilization for Galactooligosaccharides Production. Biotechnol J 2018; 14:e1800120. [DOI: 10.1002/biot.201800120] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 04/13/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Jana Adamíková
- Faculty of Chemical and Food Technology; Department of Chemical and Biochemical Engineering; Institute of Chemical and Environmental Engineering; Slovak University of Technology; Radlinského 9 812 37 Bratislava Slovakia
| | - Monika Antošová
- Faculty of Chemical and Food Technology; Department of Chemical and Biochemical Engineering; Institute of Chemical and Environmental Engineering; Slovak University of Technology; Radlinského 9 812 37 Bratislava Slovakia
| | - Milan Polakovič
- Faculty of Chemical and Food Technology; Department of Chemical and Biochemical Engineering; Institute of Chemical and Environmental Engineering; Slovak University of Technology; Radlinského 9 812 37 Bratislava Slovakia
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33
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Misson M, Jin B, Zhang H. Recirculating Spiral Bioreactor for Galactooligosaccharide Production Using Polymer Nanofiber-β-galactosidase Assembly. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b03156] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Mailin Misson
- Bioprocess
Engineering Research Group, Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia
| | - Bo Jin
- School
of Chemical Engineering, The University of Adelaide, Adelaide, SA 5000, Australia
| | - Hu Zhang
- School
of Chemical Engineering, The University of Adelaide, Adelaide, SA 5000, Australia
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34
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Žuža MG, Milašinović NZ, Jonović MM, Jovanović JR, Kalagasidis Krušić MT, Bugarski BM, Knežević-Jugović ZD. Design and characterization of alcalase–chitosan conjugates as potential biocatalysts. Bioprocess Biosyst Eng 2017; 40:1713-1723. [DOI: 10.1007/s00449-017-1826-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 08/02/2017] [Indexed: 11/30/2022]
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35
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Bernal C, Guzman F, Illanes A, Wilson L. Selective and eco-friendly synthesis of lipoaminoacid-based surfactants for food, using immobilized lipase and protease biocatalysts. Food Chem 2017; 239:189-195. [PMID: 28873558 DOI: 10.1016/j.foodchem.2017.06.105] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 06/14/2017] [Accepted: 06/19/2017] [Indexed: 10/19/2022]
Abstract
Lipoaminoacids, as surfactants, are an excellent option for food industry due to the currently trends in consumption of functional and natural ingredients. Synthesis of lauroyl glycine lipoaminoacid was carried out with a lipase from Pseudomonas stutzeri and a protease from Bacillus subtilis, which were immobilized in octyl-glyoxyl silica and glyoxyl-silica supports, respectively, comparing their catalytic performance. The enzymatic selectivity towards the lipoaminoacid instead of the dipeptide glycylglycine and synthesis yield were evaluated with respect to the characteristics of the immobilized biocatalysts and synthesis conditions. Three solvents were tested as reaction media for evaluating the expressed activity, stability and catalytic behavior during synthesis. Results indicate that both enzymes favor the lauroyl glycine synthesis over the peptide synthesis, but the immobilized protease has the best balance between selectivity and yield: 40% yield for lauroyl glycine and less than 5% for dipeptide after 96h of synthesis, at 45°C and acetone as solvent.
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Affiliation(s)
- Claudia Bernal
- Instituto de Investigación Multidisciplinario en Ciencia y Tecnología, Universidad de La Serena, Raúl Bitran 1305, La Serena, Chile; Tecnología Enzimática para Bioprocesos, Departamento de Ingeniería de Alimentos, Universidad de La Serena, Raúl Bitran 1305, La Serena, Chile.
| | - Fanny Guzman
- Laboratorio de Síntesis de Péptidos, Núcleo de Biotecnología Curauma, Pontificia Universidad Católica de Valparaíso, Chile
| | - Andres Illanes
- Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, P.O. Box 4059, Valparaíso, Chile
| | - Lorena Wilson
- Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, P.O. Box 4059, Valparaíso, Chile
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36
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Guerrero C, Vera C, Serna N, Illanes A. Immobilization of Aspergillus oryzae β-galactosidase in an agarose matrix functionalized by four different methods and application to the synthesis of lactulose. BIORESOURCE TECHNOLOGY 2017; 232:53-63. [PMID: 28214445 DOI: 10.1016/j.biortech.2017.02.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 02/01/2017] [Accepted: 02/02/2017] [Indexed: 06/06/2023]
Abstract
Aspergillus oryzae β-galactosidase was immobilized in monofunctional glyoxyl-agarose and heterofunctional supports (amino-glyoxyl, carboxy-glyoxyl and chelate-glyoxyl agarose), for obtaining highly active and stable catalysts for lactulose synthesis. Specific activities of the amino-glyoxyl agarose, carboxy-glyoxyl agarose and chelate-glyoxyl agarose derivatives were 3676, 430 and 454IU/g biocatalyst with half-life values at 50°C of 247, 100 and 100h respectively. Specific activities of 3490, 2559 and 1060IU/g were obtained for fine, standard and macro agarose respectively. High immobilization yield (39.4%) and specific activity of 7700IU/g was obtained with amino-glyoxyl-agarose as support. The highest yields of lactulose synthesis were obtained with monofunctional glyoxyl-agarose. Selectivity of lactulose synthesis was influenced by the support functionalization: glyoxyl-agarose and amino-glyoxyl-agarose derivatives retained the selectivity of the free enzyme, while selectivity with the carboxy-glyoxyl-agarose and chelate-glyoxyl-agarose derivatives was reduced, favoring the synthesis of transgalactosylated oligosaccharides over lactulose.
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Affiliation(s)
- Cecilia Guerrero
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile.
| | - Carlos Vera
- Department of Biology, Faculty of Chemistry and Biology, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Nestor Serna
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
| | - Andrés Illanes
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
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37
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Guerrero C, Vera C, Illanes A. Synthesis of lactulose in batch and repeated-batch operation with immobilized β-galactosidase in different agarose functionalized supports. BIORESOURCE TECHNOLOGY 2017; 230:56-66. [PMID: 28160659 DOI: 10.1016/j.biortech.2017.01.037] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 01/17/2017] [Accepted: 01/19/2017] [Indexed: 06/06/2023]
Abstract
Lactulose synthesis was done in repeated-batch mode with Aspergillus oryzae β-galactosidase immobilized in glyoxyl-agarose (GA-βG), amino-glyoxyl-agarose (Am-GA-βG) and chelate-glyoxyl-agarose (Che-GA-βG), at fructose/lactose molar ratios of 4, 12 and 20. Highest yields of lactulose in batch were obtained with Che-GA-βG (0.21, 0.29 and 0.32g·g-1) for 4, 12 and 20 fructose/lactose molar ratios respectively; when operating in 10 repeated batches highest product to biocatalyst mass ratios were obtained with Am-GA-βG (1.82, 2.52 and 2.7g·mg-1), while the lowest were obtained with Che-GA-βG (0.25, 0.33 and 0.39g·mg-1). Operational stability of Am-GA-βG was higher than GA-βG and Che-GA-βG and much higher than that of the free enzyme, at all fructose/lactose molar ratios evaluated. Efficiency of biocatalyst use for GA-βG were 64.4, 35.5 and 18.4kglactulose/gprotein, for fructose/lactose molar ratios of 4, 12 and 20 respectively, while for Che-GA-βG were 1.46, 1.05 and 0.96kglactulose/gprotein.
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Affiliation(s)
- Cecilia Guerrero
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile.
| | - Carlos Vera
- Department of Biology, Faculty of Chemistry and Biology, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Andrés Illanes
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaíso, Chile
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38
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González-Delgado I, Segura Y, Morales G, López-Muñoz MJ. Production of High Galacto-oligosaccharides by Pectinex Ultra SP-L: Optimization of Reaction Conditions and Immobilization on Glyoxyl-Functionalized Silica. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:1649-1658. [PMID: 28176525 DOI: 10.1021/acs.jafc.6b05431] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A rational optimization for the synthesis of galacto-oligosaccharides (GOS) from lactose catalyzed by β-galactosidase from Aspergillus aculeatus, included in the commercial product Pectinex Ultra SP-L, has been performed by using experimental design and surface response methodology. This accurate tool optimized empirical production of the most desired high-GOS (tri-GOS and tetra-GOS) up to 16.4% under the following reaction conditions: 59 °C, 4 U/mL free enzyme concentration, pH 6.5, 250 g/L initial lactose concentration, and 20 h of reaction. The statistical analysis revealed temperature and initial lactose concentration as critical parameters. The successful immobilization of the enzyme on a glyoxyl-functionalized porous silica support slightly increased the yield toward high-GOS (17.6%), especially tri-GOS yield (15.3%), under the optimized reaction conditions as compared to the free enzyme. Furthermore, the promotion of the transgalactosylation reaction toward tri-GOS production increased 1.5-fold the productivity of high-GOS as compared to the free enzyme.
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Affiliation(s)
- Isabel González-Delgado
- Department of Chemical and Energy Technology, Chemical and Environmental Technology, Mechanical Technology and Analytical Chemistry, Universidad Rey Juan Carlos , C/Tulipán s/n, E-28933 Móstoles, Madrid, Spain
| | - Yolanda Segura
- Department of Chemical and Energy Technology, Chemical and Environmental Technology, Mechanical Technology and Analytical Chemistry, Universidad Rey Juan Carlos , C/Tulipán s/n, E-28933 Móstoles, Madrid, Spain
| | - Gabriel Morales
- Department of Chemical and Energy Technology, Chemical and Environmental Technology, Mechanical Technology and Analytical Chemistry, Universidad Rey Juan Carlos , C/Tulipán s/n, E-28933 Móstoles, Madrid, Spain
| | - María-José López-Muñoz
- Department of Chemical and Energy Technology, Chemical and Environmental Technology, Mechanical Technology and Analytical Chemistry, Universidad Rey Juan Carlos , C/Tulipán s/n, E-28933 Móstoles, Madrid, Spain
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39
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Vera C, Guerrero C, Wilson L, Illanes A. Synthesis of propyl-β-d-galactoside with free and immobilized β-galactosidase from Aspergillus oryzae. Process Biochem 2017. [DOI: 10.1016/j.procbio.2016.11.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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40
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Continuous Packed Bed Reactor with Immobilized β-Galactosidase for Production of Galactooligosaccharides (GOS). Catalysts 2016. [DOI: 10.3390/catal6120189] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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41
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Vera C, Córdova A, Aburto C, Guerrero C, Suárez S, Illanes A. Synthesis and purification of galacto-oligosaccharides: state of the art. World J Microbiol Biotechnol 2016; 32:197. [PMID: 27757792 DOI: 10.1007/s11274-016-2159-4] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Accepted: 10/14/2016] [Indexed: 12/11/2022]
Abstract
Lactose-derived non-digestible oligosaccharides are prominent components of functional foods. Among them, galacto-oligosaccharides (GOS) outstand for being prebiotics whose health-promoting effects are supported on strong scientific evidences, having unique properties as substitutes of human milk oligosaccharides in formulas for newborns and infants. GOS are currently produced enzymatically in a kinetically-controlled reaction of lactose transgalactosylation catalyzed by β-galactosidases from different microbial strains. The enzymatic synthesis of GOS, although being an established technology, still offers many technological challenges and opportunities for further development that has to be considered within the framework of functional foods which is the most rapidly expanding market within the food sector. This paper presents the current technological status of GOS production, its main achievements and challenges. Most of the problems yet to be solved refer to the rather low GOS yields attainable that rarely exceed 40 %, corresponding to lactose conversions around 60 %. This means that the product or reaction (raw GOS) contains significant amounts of residual lactose and monosaccharides (glucose and galactose). Efforts to increase such yields have been for the most part unsuccessful, even though improvements by genetic and protein engineering strategies are to be expected in the near future. Low yields impose a burden on downstream processing to obtain a GOS product of the required purity. Different strategies for raw GOS purification are reviewed and their technological significance is appraised.
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Affiliation(s)
- Carlos Vera
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil, 2085, Valparaíso, Chile
| | - Andrés Córdova
- School of Food Engineering, Pontificia Universidad Católica de Valparaíso, Waddington 716, Playa Ancha, Valparaíso, Chile.
| | - Carla Aburto
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil, 2085, Valparaíso, Chile
| | - Cecilia Guerrero
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil, 2085, Valparaíso, Chile
| | - Sebastián Suárez
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil, 2085, Valparaíso, Chile
| | - Andrés Illanes
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil, 2085, Valparaíso, Chile
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42
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Cipolatti EP, Valério A, Ninow JL, de Oliveira D, Pessela BC. Stabilization of lipase from Thermomyces lanuginosus by crosslinking in PEGylated polyurethane particles by polymerization: Application on fish oil ethanolysis. Biochem Eng J 2016. [DOI: 10.1016/j.bej.2016.04.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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43
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Sun H, You S, Wang M, Qi W, Su R, He Z. Recyclable Strategy for the Production of High-Purity Galacto-oligosaccharides by Kluyveromyces lactis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:5679-5685. [PMID: 27366924 DOI: 10.1021/acs.jafc.6b01531] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A recyclable strategy for the production of high-purity (>95%) galacto-oligosaccharides (GOS) was developed using Kluyveromyces lactis in both the synthesis and purification steps. For the synthesis of GOS, ethanol-permeabilized cells (p-cells) of K. lactis were used because the enhanced permeability facilitated the mass transfer of the substrate and the release of oligosaccharide products. For the purification of GOS, non-permeabilized K. lactis cells (np-cells) were preferred as a result of their intrinsic cell membrane barrier toward GOS, which led to the selective consumption of carbohydrate. In this way, undesired glucose, galactose, and lactose in the raw GOS solution can be completely removed. This strategy is recyclable not only because of the high stability and reusability of p-cells and np-cells but also because the ethanol, which is simultaneously generated during the purification, can be reused for the preparation of p-cells. The strategy proposed in this study is a promising candidate for the efficient production of high-purity GOS.
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Affiliation(s)
- Huaisheng Sun
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Shengping You
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Mengfan Wang
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072, People's Republic of China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072, People's Republic of China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, People's Republic of China
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44
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Escobar S, Illanes A, Wilson L, Bernal C, Mesa M. In situ immobilization of β‐galactosidase from
Bacillus circulans
in silica by sol‐gel process: Application in prebiotic synthesis. Eng Life Sci 2016. [DOI: 10.1002/elsc.201500097] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Affiliation(s)
- Sindy Escobar
- Grupo Ciencia de los Materiales Instituto de Química FCEN Universidad de Antioquia UdeA Medellín Colombia
| | - Andres Illanes
- School of Biochemical Engineering Pontificia Universidad Católica de Valparaíso Valparaíso Chile
| | - Lorena Wilson
- School of Biochemical Engineering Pontificia Universidad Católica de Valparaíso Valparaíso Chile
| | - Claudia Bernal
- School of Biochemical Engineering Pontificia Universidad Católica de Valparaíso Valparaíso Chile
| | - Monica Mesa
- Grupo Ciencia de los Materiales Instituto de Química FCEN Universidad de Antioquia UdeA Medellín Colombia
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45
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Gómez S, Bayón C, Navarrete S, Guisán JM, Hernáiz MJ. Stabilization of β-Gal-3 ATCC 31382 on agarose gels: synthesis of β-(1→3) galactosides under sustainable conditions. RSC Adv 2016. [DOI: 10.1039/c6ra15670c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
β-Gal-3 was immobilized by multipoint covalent attachment on an agarose support. The derivative was characterized and usefully applied as a recoverable and reusable biocatalyst for the synthesis of β-(1 → 3) galactosides under sustainable conditions.
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Affiliation(s)
- Sara Gómez
- Department of Organic and Pharmaceutical Chemistry
- Faculty of Pharmacy
- Complutense University of Madrid
- Campus de Moncloa
- Madrid
| | - Carlos Bayón
- Department of Organic and Pharmaceutical Chemistry
- Faculty of Pharmacy
- Complutense University of Madrid
- Campus de Moncloa
- Madrid
| | - Sergio Navarrete
- Department of Organic and Pharmaceutical Chemistry
- Faculty of Pharmacy
- Complutense University of Madrid
- Campus de Moncloa
- Madrid
| | - José M. Guisán
- Biocatalysis Department
- Catalysis Institute-CSIC
- Campus UAM
- Spain
| | - María J. Hernáiz
- Department of Organic and Pharmaceutical Chemistry
- Faculty of Pharmacy
- Complutense University of Madrid
- Campus de Moncloa
- Madrid
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46
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Cipolatti EP, Moreno-Pérez S, Souza LTDA, Valério A, Guisán JM, Araújo PH, Sayer C, Ninow JL, Oliveira DD, Pessela BC. Synthesis and modification of polyurethane for immobilization of Thermomyces lanuginosus (TLL) lipase for ethanolysis of fish oil in solvent free system. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2015.09.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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47
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Guerrero C, Vera C, Araya E, Conejeros R, Illanes A. Repeated-batch operation for the synthesis of lactulose with β-galactosidase immobilized by aggregation and crosslinking. BIORESOURCE TECHNOLOGY 2015; 190:122-131. [PMID: 25935392 DOI: 10.1016/j.biortech.2015.04.039] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 04/08/2015] [Accepted: 04/09/2015] [Indexed: 06/04/2023]
Abstract
Synthesis of lactulose under repeated-batch operation was done with cross-linked aggregates of Aspergillus oryzae β-galactosidase (CLAGs). The effect of the crosslinking agent to enzyme mass ratio and cross-linking time were first evaluated. Best results were obtained at 5.5gdeglutaraldehyde/g enzyme at 5h of cross-linking, obtaining a specific activity of 15,000IUg(-1), with 30% immobilization yield. CLAG was more stable than the free enzyme under non-reactive conditions with a half-life of 123h at 50°C and when operated in repeated-batch mode, yield and productivity was 3.8 and 4.3 times higher. Maximum number of batches was determined considering biocatalyst replacement at 50% residual activity. 98 and 27 batches could be performed under such criterion at fructose/lactose molar ratio of 4 and 20 respectively, reflecting that enzyme stability is strongly affected by the sugars distribution in the reaction medium.
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Affiliation(s)
- Cecilia Guerrero
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2147, Valparaíso, Chile.
| | - Carlos Vera
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2147, Valparaíso, Chile
| | - Erick Araya
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2147, Valparaíso, Chile
| | - Raúl Conejeros
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2147, Valparaíso, Chile
| | - Andrés Illanes
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2147, Valparaíso, Chile
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48
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Transgalactosylation and hydrolytic activities of commercial preparations of β-galactosidase for the synthesis of prebiotic carbohydrates. Enzyme Microb Technol 2015; 70:9-17. [DOI: 10.1016/j.enzmictec.2014.12.006] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 11/27/2014] [Accepted: 12/14/2014] [Indexed: 12/20/2022]
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49
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Active site titration of immobilized beta-galactosidase for the determination of active enzymes. Biochem Eng J 2015. [DOI: 10.1016/j.bej.2014.10.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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50
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Aires-Trapote A, Tamayo A, Rubio J, Rumbero A, Hernáiz MJ. Sustainable synthesis of N-acetyllactosamine using an immobilized β-galactosidase on a tailor made porous polymer. RSC Adv 2015. [DOI: 10.1039/c5ra03527a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An efficient enzymatic synthesis of N-acetyllactosamine has been developed in biosolvents, mediated by the action of an immobilized β-galactosidase on a tailor made porous polymer.
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Affiliation(s)
| | - Aitana Tamayo
- Instituto de Cerámica y Vidrio (ICV)
- Consejo Superior de Investigaciones Científicas (CSIC)
- Spain
| | - Juan Rubio
- Instituto de Cerámica y Vidrio (ICV)
- Consejo Superior de Investigaciones Científicas (CSIC)
- Spain
| | - Angel Rumbero
- Faculty of Science
- Autonoma University of Madrid
- Spain
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