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Meng K, Zhang G, Ding C, Zhang T, Yan H, Zhang D, Fang T, Liu M, You Z, Yang C, Shen J, Jin X. Recent Advances on Purification of Lactic Acid. CHEM REC 2020; 20:1236-1256. [PMID: 32767665 DOI: 10.1002/tcr.202000055] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/10/2020] [Indexed: 01/16/2023]
Abstract
With increasing interest in developing biodegradable polymers to replace fossil-based products globally, lactic acid (LA) has been paid extensive attention due to the high environment-compatibility of its downstream products. The mainstream efforts have been put in developing energy-efficient conversion technologies through biological and chemical routes to synthesize LA. However, to our best knowledge, there is a lack of sufficient attention in developing effective separation technologies with high atom economics for purifying LA and derivatives. In this review, the most recent advances in purifying LA using precipitation, reactive extraction, emulsion liquid membrane, reactive distillation, molecular distillation, and membrane techniques will be discussed critically with respect to the fundamentals, flow scheme, energy efficiency, and equipment. The outcome of this article is to offer insights into implementing more atomic and energy-efficient technologies for upgrading LA.
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Affiliation(s)
- Kexin Meng
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Guangyu Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Chuanqin Ding
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Tongyang Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Hui Yan
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Dongpei Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Tianqi Fang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Mengyuan Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Zhenchao You
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Chaohe Yang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
| | - Jian Shen
- College of Environment and Resources, Xiangtan University, Xiangtan, Hunan Province, 411105, China
| | - Xin Jin
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao, Shandong, 266580, China
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Abstract
AbstractIon exchange is one of the promising methods for downstream processing in biotechnology. Its advantages are based on selectivity and therefore obtaining of products with reasonable concentration and purity, mild conditions, simple operation and saving of time and energy for product separation. Additional advantage is the possiblein situextraction of ionogenic products from the fermentation broth, including removal of potential inhibitors during the fermentation process.In the case of biotechnology, ion exchange could be considered in two separate ways: ion-exchange solvent extraction and traditional liquid/solid ion exchange by ion-exchange resins. Both approaches have been studied.In this paper, this approach is shown on two important case studies: L(+)-lactic acid and L-lysine recovery from fermentation processes.
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Affiliation(s)
- Venko N. Beschkov
- Institute of Chemical Engineering, Bulgarian Academy of Sciences, Sofia1113, Bulgaria
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Kieliszek M, Piwowarek K, Kot AM, Błażejak S, Chlebowska-Śmigiel A, Wolska I. Pollen and bee bread as new health-oriented products: A review. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2017.10.021] [Citation(s) in RCA: 155] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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4
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Monitoring key parameters in bioprocesses using near-infrared technology. SENSORS 2014; 14:18941-59. [PMID: 25313494 PMCID: PMC4239928 DOI: 10.3390/s141018941] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 09/19/2014] [Accepted: 09/25/2014] [Indexed: 11/17/2022]
Abstract
Near-infrared spectroscopy (NIRS) is known to be a rapid and non-destructive technique for process monitoring. Bioprocesses are usually complex, from both the chemical (ill-defined medium composition) and physical (multiphase matrix) aspects, which poses an additional challenge to the development of robust calibrations. We investigated the use of NIRS for on-line and in-line monitoring of cell, substrate and product concentrations, during aerobic and anaerobic bacterial fermentations, in different fermentation strategies. Calibration models were built up, then validated and used for the automated control of fermentation processes. The capability of NIR in-line to discriminate among differently shaped bacteria was tested.
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López-Garzón CS, Straathof AJ. Recovery of carboxylic acids produced by fermentation. Biotechnol Adv 2014; 32:873-904. [DOI: 10.1016/j.biotechadv.2014.04.002] [Citation(s) in RCA: 318] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2013] [Revised: 04/02/2014] [Accepted: 04/04/2014] [Indexed: 11/26/2022]
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6
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Posada JA, Cardona CA, Gonzalez R. Analysis of the Production Process of Optically Pure d-Lactic Acid from Raw Glycerol Using Engineered Escherichia coli Strains. Appl Biochem Biotechnol 2011; 166:680-99. [DOI: 10.1007/s12010-011-9458-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2011] [Accepted: 11/09/2011] [Indexed: 11/28/2022]
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Abdel-Rahman MA, Tashiro Y, Sonomoto K. Lactic acid production from lignocellulose-derived sugars using lactic acid bacteria: overview and limits. J Biotechnol 2011; 156:286-301. [PMID: 21729724 DOI: 10.1016/j.jbiotec.2011.06.017] [Citation(s) in RCA: 264] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2011] [Revised: 05/31/2011] [Accepted: 06/17/2011] [Indexed: 10/18/2022]
Abstract
Lactic acid is an industrially important product with a large and rapidly expanding market due to its attractive and valuable multi-function properties. The economics of lactic acid production by fermentation is dependent on many factors, of which the cost of the raw materials is very significant. It is very expensive when sugars, e.g., glucose, sucrose, starch, etc., are used as the feedstock for lactic acid production. Therefore, lignocellulosic biomass is a promising feedstock for lactic acid production considering its great availability, sustainability, and low cost compared to refined sugars. Despite these advantages, the commercial use of lignocellulose for lactic acid production is still problematic. This review describes the "conventional" processes for producing lactic acid from lignocellulosic materials with lactic acid bacteria. These processes include: pretreatment of the biomass, enzyme hydrolysis to obtain fermentable sugars, fermentation technologies, and separation and purification of lactic acid. In addition, the difficulties associated with using this biomass for lactic acid production are especially introduced and several key properties that should be targeted for low-cost and advanced fermentation processes are pointed out. We also discuss the metabolism of lignocellulose-derived sugars by lactic acid bacteria.
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Affiliation(s)
- Mohamed Ali Abdel-Rahman
- Laboratory of Microbial Technology, Division of Applied Molecular Microbiology and Biomass Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, Hakozaki, Higashi-ku, Fukuoka, Japan
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8
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pH-uncontrolled lactic acid fermentation with activated carbon as an adsorbent. Enzyme Microb Technol 2011; 48:526-30. [DOI: 10.1016/j.enzmictec.2010.07.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2009] [Revised: 07/26/2010] [Accepted: 07/27/2010] [Indexed: 11/17/2022]
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9
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Improvement of l-lactic acid production by osmotic-tolerant mutant of Lactobacillus casei at high temperature. Appl Microbiol Biotechnol 2010; 89:73-8. [DOI: 10.1007/s00253-010-2868-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2010] [Revised: 08/25/2010] [Accepted: 08/25/2010] [Indexed: 11/25/2022]
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10
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In situ separation of lactic acid from fermentation broth using ion exchange resins. J Ind Microbiol Biotechnol 2008; 35:1229-33. [DOI: 10.1007/s10295-008-0418-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2008] [Accepted: 07/29/2008] [Indexed: 10/21/2022]
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Mohd Adnan AF, Tan IKP. Isolation of lactic acid bacteria from Malaysian foods and assessment of the isolates for industrial potential. BIORESOURCE TECHNOLOGY 2007; 98:1380-5. [PMID: 16872826 DOI: 10.1016/j.biortech.2006.05.034] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2006] [Revised: 05/17/2006] [Accepted: 05/18/2006] [Indexed: 05/11/2023]
Abstract
Two traditional fermented food 'tapai' (fermented tapioca) and 'tempoyak' (fermented durian flesh), chilli puree and fresh goat's milk were used as sources for the isolation of lactic acid bacteria (LAB). A total of 126 isolates were obtained and by sequential screening for catalase activity and Gram-staining, 55 were determined to be LAB out of which 16 were established to be homofermentative by the gel plug test. Seven isolates were identified by use of the API 50CHL kit and two lactobacilli strains and one lactococci strain were selected to study their growth and lactic acid production profiles in a time course experiment. The lactobacilli strains, both isolated from 'tapai', produced higher amounts of cells and lactic acid from glucose as compared to the lactococci strain isolated from fresh goat's milk.
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Liu L, Xu Q, Li Y, Shi Z, Zhu Y, Du G, Chen J. Enhancement of pyruvate production by osmotic-tolerant mutant of Torulopsis glabrata. Biotechnol Bioeng 2006; 97:825-32. [PMID: 17154310 DOI: 10.1002/bit.21290] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Pyruvate production by Torulopsis glabrata was used as a model to study the mechanism of product inhibition and the strategy for enhancing pyruvate production. It was found that the concentration of cell growth and pyruvate deceased with the increase of NaCl and sorbitol concentrations. To enhance the osmotic stress resistance of the strain, an NaCl-tolerant mutant RS23 was screened and selected through a pH-controlled continuous culture with 70 g/L NaCl as the selective criterion. Compared with the parent strain, mutant RS23 could grow well on the medium containing 70 g/L NaCl or 0.6 mol/L sorbitol. Pyruvate concentration by the mutant strain RS23 reached 94.3 g/L at 82 h (yield on glucose 0.635 g/g) in a 7-l fermentor with 150 g/L glucose as carbon source. Pyruvate concentration and yield of mutant RS23 were 41.1% and 11.1% higher than those of the parent strain, respectively. The strategy for enhancing pyruvate production by increasing osmotic stress resistance may provide an alternative approach to enhance organic acids production with yeast.
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Affiliation(s)
- Liming Liu
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Southern Yangtze University, Wuxi 214036, China
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13
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Joglekar H, Rahman I, Babu S, Kulkarni B, Joshi A. Comparative assessment of downstream processing options for lactic acid. Sep Purif Technol 2006. [DOI: 10.1016/j.seppur.2006.03.015] [Citation(s) in RCA: 176] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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15
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González MI, Álvarez S, Riera FA, Álvarez R. Purification of Lactic Acid from Fermentation Broths by Ion-Exchange Resins. Ind Eng Chem Res 2006. [DOI: 10.1021/ie051263a] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M. Isabel González
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Julián Clavería, 8, 33006 Oviedo, Spain, and Department of Chemical and Nuclear Engineering, Polytechnic University of Valencia, Camino de Vera s/n, 46022 Valencia, Spain
| | - Silvia Álvarez
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Julián Clavería, 8, 33006 Oviedo, Spain, and Department of Chemical and Nuclear Engineering, Polytechnic University of Valencia, Camino de Vera s/n, 46022 Valencia, Spain
| | - Francisco A. Riera
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Julián Clavería, 8, 33006 Oviedo, Spain, and Department of Chemical and Nuclear Engineering, Polytechnic University of Valencia, Camino de Vera s/n, 46022 Valencia, Spain
| | - Ricardo Álvarez
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Julián Clavería, 8, 33006 Oviedo, Spain, and Department of Chemical and Nuclear Engineering, Polytechnic University of Valencia, Camino de Vera s/n, 46022 Valencia, Spain
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Vaccari G, Dosi E, Campi AL, Mantovani G, González-Vara y R. A, Matteuzzi D. A near-infrarod spectroscopy technique for the control of fermentation processes: An application to lactic acid fermentation. Biotechnol Bioeng 2004; 43:913-7. [DOI: 10.1002/bit.260431003] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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17
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Demirci A, Cotton JC, Pometto AL, Harkins KR, Hinz PN. Resistance of Lactobacillus casei in plastic-composite-support biofilm reactors during liquid membrane extraction and optimization of the lactic acid extraction system. Biotechnol Bioeng 2003; 83:749-59. [PMID: 12889015 DOI: 10.1002/bit.10722] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Lactic acid fermentations were performed with plastic-composite-support (PCS) disks in solvent-saturated media with Lactobacillus casei subsp. rhamnosus (ATCC 11443). The PCS disks contained 50% (w/w) polypropylene, 35% (w/w) ground soybean hulls, 5% (w/w) yeast extract, 5% (w/w) soybean flour, and 5% (w/w) bovine albumin. Bioassays were performed by growing L. casei in solvent-saturated media after soaking the PCS disks. Eighteen different solvent and carrier combinations were evaluated. Overall, L. casei biofilm fermentation demonstrated the same lactic acid production in solvent-saturated medium as suspended cells in medium without solvents (control). To evaluate PCS solvent-detoxifying properties, two bioassays were developed. When solvent-saturated medium in consecutive equal volumes (10 mL then 10 mL) was exposed to PCS, both media demonstrated lactic acid fermentation equal to the control. However, when solvent-saturated medium with two consecutive unequal volumes (10 mL then 90 mL) was exposed to PCS, some degree of toxicity was observed. Furthermore, iso-octane, tributylphosphate (TBP), and Span 80 were optimized for recovery as 91%, 5%, and 4% (v/v), respectively, with a 1:1 ratio of 1.2 M Na(2)CO(3) stripping solution. Also, recovery by emulsion liquid extraction in the hollow-fiber contactor was minimal due to low recovery at pH 5.0 and incompatibility of the solvent and hollow-fiber material. These results suggest that PCS biofilm reactors can benefit lactic acid fermentation by eliminating the toxic effect from solvent leakage into the fermentation medium from liquid-liquid extractive integrated fermentations.
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Affiliation(s)
- Ali Demirci
- Department of Agricultural and Biological Engineering, Pennsylvania State University, University Park, PA 16802, USA.
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Stark D, von Stockar U. In situ product removal (ISPR) in whole cell biotechnology during the last twenty years. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2003; 80:149-75. [PMID: 12747544 DOI: 10.1007/3-540-36782-9_5] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review sums up the activity in the field of in situ product removal in whole cell bioprocesses over the last 20 years. It gives a complete summary of ISPR operations with microbial cells and cites a series of interesting ISPR applications in plant and animal cell technology. All the ISPR projects with microbial cells are categorized according to their products, their ISPR techniques, and their applied configurations of the ISPR set-up. Research on ISPR application has primarily increased in the field of microbial production of aromas and organic acids such lactic acid over the last ten years. Apart from the field of de novo formation of bioproducts, ISPR is increasingly applied to microbial bioconversion processes. However, despite of the large number of microbial whole cell ISPR projects (approximately 250), very few processes have been transferred to an industrial scale. The proposed processes have mostly been too complex and consequently not cost effective. Therefore, this review emphasizes that the planning of a successful whole cell ISPR process should not only consider the choice of ISPR technique according to the physicochemical properties of the product, but also the potential configuration of the whole process set-up. Furthermore, additional process aspects, biological and legal constraint need to be considered from the very beginning for the design of an ISPR project. Finally, future trends of new, modified or improved ISPR techniques are given.
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Affiliation(s)
- Daniel Stark
- Laboratory of Chemical and Biochemical Engineering, Swiss Federal Institute of Technology (EPFL), 1015 Lausanne, Switzerland
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19
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Tamburini E, Vaccari G, Tosi S, Trilli A. Near-infrared spectroscopy: a tool for monitoring submerged fermentation processes using an immersion optical-fiber probe. APPLIED SPECTROSCOPY 2003; 57:132-138. [PMID: 14610948 DOI: 10.1366/000370203321535024] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Near-infrared (NIR) spectroscopy has been developed as a noninvasive tool for the direct, real-time monitoring of glucose, lactic acid, acetic acid, and biomass in liquid cultures of microrganisms of the genera Lactobacillus and Staphylococcus. This was achieved employing a steam-sterilizable optical-fiber probe immersed in the culture (In-line Interactance System). Second-derivative spectra obtained were subjected to partial least-squares (PLS) regression and the results were used to build predictive models for each analyte of interest. Multivariate regression was carried out on two different sets of spectra, namely whole broth minus the spectral subtraction of water, and raw spectra. A comparison of the two models showed that the first cannot be properly applied to real-time monitoring, so this work suggests calibration based on non-difference spectra, demonstrating it to be sufficiently reliable to allow the selective determination of the analytes with satisfactory levels of prediction (standard error of prediction (SEP) < 10%). Direct interfacing of the NIR system to the bioreactor control system allowed the implementation of completely automated monitoring of different cultivation strategies (continuous, repeated batch). The validity of the in-line analyses carried out was found to depend crucially on maintaining constant hydrodynamic conditions of the stirred cultures because both gas flow and stirring speed variations were found to markedly influence the spectral signal.
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Affiliation(s)
- E Tamburini
- Department of Chemistry, University of Ferrara, Ferrara, Italy
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Abstract
Integrated bioprocessing in which a potentially inhibitory product is continuously removed from the fermentation broth as it is produced, has important advantages in improving yield and conversion relative to conventional processes. This review discusses integrated processing for ethanol, butanol, organic acids, antibiotics, and other products. A variety of recovery operations can be used to isolate the product, as discussed. Use of some of the available options is compared.
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Affiliation(s)
- K Schügerl
- Institute for Technical Chemistry, University of Hannover, Callinstrasse 3, D-30167 Hanover, Germany.
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Hofvendahl K, Hahn-Hägerdal B. Factors affecting the fermentative lactic acid production from renewable resources(1). Enzyme Microb Technol 2000; 26:87-107. [PMID: 10689064 DOI: 10.1016/s0141-0229(99)00155-6] [Citation(s) in RCA: 466] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Parameters affecting the fermentative lactic acid (LA) production are summarized and discussed: microorganism, carbon- and nitrogen-source, fermentation mode, pH, and temperature. LA production is compared in terms of LA concentration, LA yield and LA productivity. Also by-product formation and LA isomery are discussed.
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Affiliation(s)
- K Hofvendahl
- Department of Applied Microbiology, Lund Institute of Technology/Lund University, P.O. Box 124, SE-221 00, Lund, Sweden
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Gonz�lez-Vara y R. A, Vaccari G, Dosi E, Trilli A, Rossi M, Matteuzzi D. Enhanced production of L-(+)-lactic acid in chemostat byLactobacillus casei DSM 20011 using ion-exchange resins and cross-flow filtration in a fully automated pilot plant controlled via NIR. Biotechnol Bioeng 2000. [DOI: 10.1002/(sici)1097-0290(20000120)67:2<147::aid-bit4>3.0.co;2-f] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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23
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Modification of metabolic pathways of Saccharomyces cerevisiae by the expression of lactate dehydrogenase and deletion of pyruvate decarboxylase genes for the lactic acid fermentation at low pH value. ACTA ACUST UNITED AC 1998. [DOI: 10.1016/s0922-338x(98)80131-1] [Citation(s) in RCA: 80] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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24
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Senthuran A, Senthuran V, Mattiasson B, Kaul R. Lactic acid fermentation in a recycle batch reactor using immobilizedLactobacillus casei. Biotechnol Bioeng 1997; 55:841-53. [DOI: 10.1002/(sici)1097-0290(19970920)55:6<841::aid-bit3>3.0.co;2-g] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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25
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Pinelli D, González-Vara AR, Matteuzzi D, Magelli F. Assessment of kinetic models for the production of l- and d-lactic acid isomers by Lactobacillus casei DMS 20011 and Lactobacillus coryniformis DMS 20004 in continuous fermentation. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0922-338x(97)83586-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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26
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Lactate from cultures of Lactobacillus casei recovered in a fluidized bed column using ion exchange resin. ACTA ACUST UNITED AC 1996. [DOI: 10.1007/bf00157375] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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27
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28
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Ye K, Jin S, Shimizu K. Performance improvement of lactic acid fermentation by multistage extractive fermentation. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/0922-338x(96)82215-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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29
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Antonio GVR, Pinelli D, Rossi M, Fajner D, Magelli F, Matteuzzi D. Production of l(+) and d(−) lactic acid isomers by Lactobacillus casei subsp. casei DSM 20011 and Lactobacillus coryniformis subsp. torquens DSM 20004 in continuous fermentation. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/0922-338x(96)81478-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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30
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31
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Optimization of L(+)-lactic acid production employing statistical experimental design. ACTA ACUST UNITED AC 1994. [DOI: 10.1007/bf02428975] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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