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Manicardi T, Baioni e Silva G, Longati AA, Paiva TD, Souza JPM, Pádua TF, Furlan FF, Giordano RLC, Giordano RC, Milessi TS. Xylooligosaccharides: A Bibliometric Analysis and Current Advances of This Bioactive Food Chemical as a Potential Product in Biorefineries' Portfolios. Foods 2023; 12:3007. [PMID: 37628006 PMCID: PMC10453364 DOI: 10.3390/foods12163007] [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] [Received: 07/25/2023] [Revised: 08/07/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
Xylooligosaccharides (XOS) are nondigestible compounds of great interest for food and pharmaceutical industries due to their beneficial prebiotic, antibacterial, antioxidant, and antitumor properties. The market size of XOS is increasing significantly, which makes its production from lignocellulosic biomass an interesting approach to the valorization of the hemicellulose fraction of biomass, which is currently underused. This review comprehensively discusses XOS production from lignocellulosic biomass, aiming at its application in integrated biorefineries. A bibliometric analysis is carried out highlighting the main players in the field. XOS production yields after different biomass pretreatment methods are critically discussed using Microsoft PowerBI® (2.92.706.0) software, which involves screening important trends for decision-making. Enzymatic hydrolysis and the major XOS purification strategies are also explored. Finally, the integration of XOS production into biorefineries, with special attention to economic and environmental aspects, is assessed, providing important information for the implementation of biorefineries containing XOS in their portfolio.
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Affiliation(s)
- Tainá Manicardi
- Graduate Program of Energy Engineering, Federal University of Itajubá, Av. Benedito Pereira dos Santos, 1303, Itajubá 37500-903, MG, Brazil
| | - Gabriel Baioni e Silva
- Graduate Program of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
| | - Andreza A. Longati
- Department of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
| | - Thiago D. Paiva
- Graduate Program of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
| | - João P. M. Souza
- Institute of Natural Resources, Federal University of Itajubá, Av. Benedito Pereira dos Santos, 1303, Itajubá 37500-903, MG, Brazil
| | - Thiago F. Pádua
- Department of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
| | - Felipe F. Furlan
- Graduate Program of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
- Department of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
| | - Raquel L. C. Giordano
- Department of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
| | - Roberto C. Giordano
- Graduate Program of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
- Department of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
| | - Thais S. Milessi
- Graduate Program of Energy Engineering, Federal University of Itajubá, Av. Benedito Pereira dos Santos, 1303, Itajubá 37500-903, MG, Brazil
- Graduate Program of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
- Department of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luíz, Km 235, São Carlos 13565-905, SP, Brazil
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Aline Otaviano C, Ussemane Mussagy C, Roberto Paz-Cedeno F, Fernando Brandão Pereira J, Masarin F. Hydrothermal pretreatment of Eucalyptus by-product and refining of xylooligosaccharides from hemicellulosic hydrolysate. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Kim D, Yu JH, Hong KS, Jung CD, Kim H, Kim J, Myung S. Green production of low-molecular-weight xylooligosaccharides from oil palm empty fruit bunch via integrated enzymatic polymerization and membrane separation for purification. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Yue P, Hu Y, Tian R, Bian J, Peng F. Hydrothermal pretreatment for the production of oligosaccharides: A review. BIORESOURCE TECHNOLOGY 2022; 343:126075. [PMID: 34606922 DOI: 10.1016/j.biortech.2021.126075] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/27/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
Oligosaccharides are low-molecular-weight carbohydrates with crucial physical, chemical, and physiological properties, which are increasingly important in the fields of food, pharmaceuticals, cosmetics, and biomedicine. Pretreating biomass in a cost-effective way is a significant challenge for oligosaccharides research. Hydrothermal pretreatment is a potentially eco-friendly technology to obtain oligosaccharides by deconstructing biomass. In this work, we compared the differences between hydrothermal pretreatment and the traditional pretreatment method. The fundamentals and classification of hydrothermal pretreatment, as well as the latest studies on hydrothermal preparation of oligosaccharides, were further reviewed and evaluated to provide a theoretical basis for the production and application of oligosaccharides. Some challenges and future trends to develop green and large-scale hydrothermal pretreatment were proposed for the production of oligosaccharides.
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Affiliation(s)
- Panpan Yue
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, PR China
| | - Yajie Hu
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, PR China
| | - Rui Tian
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, PR China
| | - Jing Bian
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, PR China
| | - Feng Peng
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, PR China.
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Baker JT, Duarte ME, Holanda DM, Kim SW. Friend or Foe? Impacts of Dietary Xylans, Xylooligosaccharides, and Xylanases on Intestinal Health and Growth Performance of Monogastric Animals. Animals (Basel) 2021; 11:609. [PMID: 33652614 PMCID: PMC7996850 DOI: 10.3390/ani11030609] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/11/2021] [Accepted: 02/24/2021] [Indexed: 12/27/2022] Open
Abstract
This paper discusses the structural difference and role of xylan, procedures involved in the production of xylooligosaccharides (XOS), and their implementation into animal feeds. Xylan is non-starch polysaccharides that share a β-(1-4)-linked xylopyranose backbone as a common feature. Due to the myriad of residues that can be substituted on the polymers within the xylan family, more anti-nutritional factors are associated with certain types of xylan than others. XOS are sugar oligomers extracted from xylan-containing lignocellulosic materials, such as crop residues, wood, and herbaceous biomass, that possess prebiotic effects. XOS can also be produced in the intestine of monogastric animals to some extent when exogenous enzymes, such as xylanase, are added to the feed. Xylanase supplementation is a common practice within both swine and poultry production to reduce intestinal viscosity and improve digestive utilization of nutrients. The efficacy of xylanase supplementation varies widely due a number of factors, one of which being the presence of xylanase inhibitors present in common feedstuffs. The use of prebiotics in animal feeding is gaining popularity as producers look to accelerate growth rate, enhance intestinal health, and improve other production parameters in an attempt to provide a safe and sustainable food product. Available research on the impact of xylan, XOS, as well as xylanase on the growth and health of swine and poultry, is also summarized. The response to xylanase supplementation in swine and poultry feeds is highly variable and whether the benefits are a result of nutrient release from NSP, reduction in digesta viscosity, production of short chain xylooligosaccharides or a combination of these is still in question. XOS supplementation seems to benefit both swine and poultry at various stages of production, as well as varying levels of XOS purity and degree of polymerization; however, further research is needed to elucidate the ideal dosage, purity, and degree of polymerization needed to confer benefits on intestinal health and performance in each respective species.
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Affiliation(s)
| | | | | | - Sung Woo Kim
- Department of Animal Science, North Carolina State University, Raleigh, NC 27695, USA; (J.T.B.); (M.E.D.); (D.M.H.)
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Rashid R, Sohail M. Xylanolytic Bacillus species for xylooligosaccharides production: a critical review. BIORESOUR BIOPROCESS 2021; 8:16. [PMID: 38650226 PMCID: PMC10991489 DOI: 10.1186/s40643-021-00369-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 02/09/2021] [Indexed: 02/06/2023] Open
Abstract
The capacity of different Bacillus species to produce large amounts of extracellular enzymes and ability to ferment various substrates at a wide range of pH and temperature has placed them among the most promising hosts for the industrial production of many improved and novel products. The global interest in prebiotics, for example, xylooligosaccharides (XOs) is ever increasing, rousing the quest for various forms with expanded productivity. This article provides an overview of xylanase producing bacilli, with more emphasis on their capacity to be used in the production of the XOs, followed by the purification strategies, characteristics and application of XOs from bacilli. The large-scale production of XOs is carried out from a number of xylan-rich lignocellulosic materials by chemical or enzymatic hydrolysis followed by purification through chromatography, vacuum evaporation, solvent extraction or membrane separation methods. Utilization of XOs in the production of functional products as food ingredients brings well-being to individuals by improving defense system and eliminating pathogens. In addition to the effects related to health, a variety of other biological impacts have also been discussed.
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Affiliation(s)
- Rozina Rashid
- Department of Microbiology, University of Karachi, Karachi, 75270, Pakistan
- Department of Microbiology, University of Balochistan, Quetta, Pakistan
| | - Muhammad Sohail
- Department of Microbiology, University of Karachi, Karachi, 75270, Pakistan.
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Swart LJ, Bedzo OKK, van Rensburg E, Görgens JF. Intensification of Xylo-oligosaccharides Production by Hydrothermal Treatment of Brewer's Spent Grains: The Use of Extremely Low Acid Catalyst for Reduction of Degradation Products Associated with High Solid Loading. Appl Biochem Biotechnol 2021; 193:1979-2003. [PMID: 33534043 DOI: 10.1007/s12010-021-03525-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 01/27/2021] [Indexed: 11/26/2022]
Abstract
Brewers' spent grains (BSG) make up to 85% of a brewery's solid waste, and is either sent to landfill or sold as cheap animal feed supplement. Xylo-oligosaccharides (XOS) obtained from BSG are antioxidants and prebiotics that can be used in food formulations as low-calorie sweeteners and texturisers. The effect of extremely low acid (ELA) catalysis in liquid hot water (LHW) hydrothermal treatment (HTT) was assessed using BSG with dry matter contents of 15% and 25%, achieved by dewatering using a screw press. Batch experiments at low acid loadings of 5, 12.5 and 20 mg/g dry mass and temperatures of 120, 150 and 170 °C significantly affected XOS yield at both levels of dry mass considered. Maximum XOS yields of 76.4% (16.6 g/l) and 65.5% (31.7 g/l) were achieved from raw BSG and screw pressed BSG respectively, both at 170 °C and using 5 mg acid/g dry mass, after 15 min and 5 min, respectively. These XOS yields were obtained with BSG containing up to 63% less water and temperatures more than 20 °C lower than that reported previously. The finding confirms that ELA dosing in LHW HTT allows lowering of the required temperature that can result in a reduction of degradation products, which is especially relevant under high solid conditions. This substantial XOS production intensification through higher solid loadings in HTT not only achieved high product yield, but also provided benefits such as increased product concentrations and decreased process heat requirements.
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Affiliation(s)
- Lukas J Swart
- Department of Process Engineering, Stellenbosch University, Private Bag X1, Stellenbosch, 7602, South Africa
| | - Oscar K K Bedzo
- Department of Process Engineering, Stellenbosch University, Private Bag X1, Stellenbosch, 7602, South Africa.
| | - Eugéne van Rensburg
- Department of Process Engineering, Stellenbosch University, Private Bag X1, Stellenbosch, 7602, South Africa
| | - Johann F Görgens
- Department of Process Engineering, Stellenbosch University, Private Bag X1, Stellenbosch, 7602, South Africa
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Jiang Y, Wang X, Wu Z, Xu J, Hu L, Lin L. Purification of xylooligosaccharides from bamboo with non-organic solvent to prepare food grade functional sugars. RESULTS IN CHEMISTRY 2021. [DOI: 10.1016/j.rechem.2021.100153] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Kruschitz A, Nidetzky B. Downstream processing technologies in the biocatalytic production of oligosaccharides. Biotechnol Adv 2020; 43:107568. [DOI: 10.1016/j.biotechadv.2020.107568] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 04/27/2020] [Accepted: 05/17/2020] [Indexed: 12/22/2022]
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Vine shoots as new source for the manufacture of prebiotic oligosaccharides. Carbohydr Polym 2019; 207:34-43. [DOI: 10.1016/j.carbpol.2018.11.065] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 10/22/2018] [Accepted: 11/21/2018] [Indexed: 11/22/2022]
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11
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Valorization of peanut shells: Manufacture of bioactive oligosaccharides. Carbohydr Polym 2017; 183:21-28. [PMID: 29352877 DOI: 10.1016/j.carbpol.2017.11.009] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 10/26/2017] [Accepted: 11/01/2017] [Indexed: 01/29/2023]
Abstract
Peanut shells were subjected to non-isothermal aqueous treatments to cause the partial breakdown of hemicelluloses into soluble oligosaccharides and lignin-derived compounds with high antioxidant activity. The effects of temperature on the chemical composition of the substrate and soluble reaction products were assessed. Under selected conditions (210°C, severity=4.09), the overall amount of poly- and oligo- saccharides present in the liquid phase reached 9.8g/L. This solution was refined by consecutive stages of discontinuous diafiltration, yielding a refined product containing about 72.4wt% of oligomers at a global yield of 8.5kg/100kg oven-dry PS. The purified products were characterized by HPLC, MALDI-TOF-MS and FTIR, confirming the major reaction products were saccharides made up of xylose with degrees of polymerization up to 17, substituted with acetyl and methylglucuronosyl groups, for which a number of pharmaceutical and food applications have been proposed. Solubilization of hemicelluloses in the treatments resulted in the production of solids enriched in cellulose and lignin suitable for further applications.
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Buruiana CT, Gómez B, Vizireanu C, Garrote G. Manufacture and evaluation of xylooligosaccharides from corn stover as emerging prebiotic candidates for human health. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2016.11.083] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Dávila I, Gordobil O, Labidi J, Gullón P. Assessment of suitability of vine shoots for hemicellulosic oligosaccharides production through aqueous processing. BIORESOURCE TECHNOLOGY 2016; 211:636-644. [PMID: 27054881 DOI: 10.1016/j.biortech.2016.03.153] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 03/27/2016] [Accepted: 03/28/2016] [Indexed: 06/05/2023]
Abstract
Vine shoots were subjected to non-isothermal aqueous processing. A range of severities (S0) from 3.20 to 4.65 was assayed and their effects in terms of solubilization, composition, molar mass distribution, structural characterization and thermal stability of the liquors were studied using HPLC, HPSEC, TGA and FTIR. The spent solids were characterized by HPLC and FTIR. When autohydrolysis was carried out at S0=4.01, the substrate solubilization achieved a 38.7% of the raw material and 83.1% of the initial xylan was converted into xylooligosaccharides (XOS). The amount of TOS (total oligosaccharides) in the hydrolysates was 28.4g/L while the other non volatile compounds (ONVC) were 0.08g/g NVC. The spent solid from the treatment at S0=4.01 was composed about 90% of cellulose and lignin. Therefore, it can be concluded that autohydrolysis is a suitable pretreatment of vine shoots such as a first stage of a biomass refinery.
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Affiliation(s)
- Izaskun Dávila
- Chemical and Environmental Engineering Department, University of Basque Country, 20018 San Sebastián, Spain
| | - Oihana Gordobil
- Chemical and Environmental Engineering Department, University of Basque Country, 20018 San Sebastián, Spain
| | - Jalel Labidi
- Chemical and Environmental Engineering Department, University of Basque Country, 20018 San Sebastián, Spain
| | - Patricia Gullón
- Chemical and Environmental Engineering Department, University of Basque Country, 20018 San Sebastián, Spain.
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Shen R, Li HQ, Zhang J, Xu J. Effects of Impurities in Alkali-Extracted Xylan on Its Enzymatic Hydrolysis to Produce Xylo-Oligosaccharides. Appl Biochem Biotechnol 2016; 179:740-52. [DOI: 10.1007/s12010-016-2028-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 02/19/2016] [Indexed: 11/28/2022]
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Rostro M, Sánchez-González M, Rivas S, Moure A, Domínguez H, Parajó JC. Non-isothermal autohydrolysis of nixtamalized maize pericarp: Production of nutraceutical extracts. Lebensm Wiss Technol 2014. [DOI: 10.1016/j.lwt.2014.03.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Gómez B, Gullón B, Yáñez R, Parajó JC, Alonso JL. Pectic oligosacharides from lemon peel wastes: production, purification, and chemical characterization. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:10043-10053. [PMID: 24066740 DOI: 10.1021/jf402559p] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Lemon peel wastes were extracted with water to remove free sugars and other soluble compounds, and the insoluble solid was employed as a substrate for the manufacture of pectin-derived oligosaccharides by processing with hot, compressed water. When water-extracted lemon peel wastes were treated with water at 160 °C, the oligomer concentration reached the maximum value (31 g/L). Autohydrolysis liquors were subjected to two membrane filtration stages (diafiltration followed by concentration), yielding a refined product containing about 98 wt % of oligomers at a global yield of 14 kg/100 kg oven-dry lemon peel. The concentrate contained oligogalacturonides (with DP in the range of 2-18) and arabinooligosaccharides (with DP in the range of 2-8).
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Affiliation(s)
- Belén Gómez
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense) , As Lagoas, 32004 Ourense, Spain
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Rivas S, Gullón B, Gullón P, Alonso JL, Parajó JC. Manufacture and properties of bifidogenic saccharides derived from wood mannan. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:4296-4305. [PMID: 22489573 DOI: 10.1021/jf300524s] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Pinus pinaster wood samples were subjected to double hydrothermal processing. The liquors coming from the second stage, containing soluble saccharides of polymeric or oligomeric nature from hemicelluloses (POHs), were subjected to membrane processing (operating in discontinuous diafiltration) for refining and fractionation. Refined POH fractions were characterized by matrix-assisted laser desorption/ionization time of flight mass spectrometry and chromatographic techniques. The most complex POH component was made up of 14 hexoses and contained 4 acetyl groups. The fermentability of purified POHs by human fecal inocula was assessed by measuring both carbon source consumption and formation of short-chain fatty acids. The bifidogenic ability of POHs was confirmed by fluorescence in situ hybridization. The stimulatory effects on the bifidobacterial population reached by POHs were of the same order as those obtained with commercial fructooligosaccharides.
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Affiliation(s)
- Sandra Rivas
- Department of Chemical Engineering, Faculty of Science, University of Vigo-Campus Ourense, As Lagoas, 32004 Ourense, Spain
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Alonso JL, Domínguez H, Garrote G, González-Muñoz M, Gullón B, Moure A, Santos V, Vila C, Yáñez R. Biorefinery processes for the integral valorization of agroindustrial and forestal wastes Procesos de biorrefinería para la valorización integral de residuos agroindustriales y forestales. CYTA - JOURNAL OF FOOD 2011. [DOI: 10.1080/19476337.2011.598949] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Structural features and properties of soluble products derived from Eucalyptus globulus hemicelluloses. Food Chem 2011. [DOI: 10.1016/j.foodchem.2011.02.066] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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21
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Soto ML, Moure A, Domínguez H, Parajó JC. Recovery, concentration and purification of phenolic compounds by adsorption: A review. J FOOD ENG 2011. [DOI: 10.1016/j.jfoodeng.2011.02.010] [Citation(s) in RCA: 331] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Gullón P, González-Muñoz MJ, Parajó JC. Manufacture and prebiotic potential of oligosaccharides derived from industrial solid wastes. BIORESOURCE TECHNOLOGY 2011; 102:6112-6119. [PMID: 21392971 DOI: 10.1016/j.biortech.2011.02.059] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2010] [Revised: 02/14/2011] [Accepted: 02/15/2011] [Indexed: 05/30/2023]
Abstract
The solid waste obtained in malting industries when dehulling barley grains, which was mainly made up of barley husks, spent grains and grain fragments, was subjected to a double hydrothermal processing under selected conditions. The liquor from the second stage (containing xylooligosaccharides, XOS) was refined by membrane and ion exchange processing (with or without a previous endoxylanase treatment to reduce the XOS molecular weight). Three XOS concentrates with different purity and/or molecular weight distribution were fermented in vitro with faecal inocula to assess their prebiotic potential. Succinate, lactate, formiate, acetate, propionate and butyrate were generated in fermentations, confirming the prebiotic potential of the various products assayed. The purity of XOS concentrates did not play a significant role in fermentation, whereas the sample with shorter average degree of polymerization presented a faster fermentation kinetics and led to the highest concentration of lactic acid.
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Affiliation(s)
- Patricia Gullón
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain
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Aachary AA, Prapulla SG. Xylooligosaccharides (XOS) as an Emerging Prebiotic: Microbial Synthesis, Utilization, Structural Characterization, Bioactive Properties, and Applications. Compr Rev Food Sci Food Saf 2010. [DOI: 10.1111/j.1541-4337.2010.00135.x] [Citation(s) in RCA: 357] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Gullón B, Yáñez R, Alonso JL, Parajó JC. Production of oligosaccharides and sugars from rye straw: a kinetic approach. BIORESOURCE TECHNOLOGY 2010; 101:6676-84. [PMID: 20400295 DOI: 10.1016/j.biortech.2010.03.080] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2010] [Revised: 03/15/2010] [Accepted: 03/19/2010] [Indexed: 05/03/2023]
Abstract
Following the biorefinery philosophy, the non-isothermal autohydrolysis of rye straw (an agroindustrial byproduct) was carried out to obtain liquors containing substituted xylooligosaccharides and solids enriched in cellulose (suitable as substrates for further enzymatic hydrolysis). The effects of temperature (in the range 185-220 degrees C) on the composition of solids and liquid phases were evaluated, and kinetic models were developed. When operation was carried out at 208 degrees C, 69.2% of the initial xylan was converted into xylooligosaccharides, leading to reaction liquors containing up to 22.4 g oligosaccharides/L. The effects of treatments on the DP of the target products and on their substituents were also measured. At 208 degrees C, the percentages of XOS having DP2-4, DP5-6 and DP>6 were 24.8%, 22.4% and 54.8%, respectively. Under selected conditions, the molar ratio Xyl:Ac:UA of the oligomers was 10:1.54:0.50. Finally, when the solid was subjected to enzymatic hydrolysis, 70.6% of cellulose and 63.8% of xylan were saccharified after 48 h.
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Affiliation(s)
- B Gullón
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain
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Martínez M, Yáñez R, Alonsó JL, Parajó JC. Chemical Production of Pectic Oligosaccharides from Orange Peel Wastes. Ind Eng Chem Res 2010. [DOI: 10.1021/ie101066m] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Martina Martínez
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain
| | - Remedios Yáñez
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain
| | - José Luis Alonsó
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain
| | - Juan Carlos Parajó
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain
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26
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Rose DJ, Inglett GE, Liu SX. Utilisation of corn (Zea mays) bran and corn fiber in the production of food components. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2010; 90:915-924. [PMID: 20355130 DOI: 10.1002/jsfa.3915] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The milling of corn for the production of food constituents results in a number of low-value co-products. Two of the major co-products produced by this operation are corn bran and corn fiber, which currently have low commercial value. This review focuses on current and prospective research surrounding the utilization of corn fiber and corn bran in the production of potentially higher-value food components. Corn bran and corn fiber contain potentially useful components that may be harvested through physical, chemical or enzymatic means for the production of food ingredients or additives, including corn fiber oil, corn fiber gum, cellulosic fiber gels, xylo-oligosaccharides and ferulic acid. Components of corn bran and corn fiber may also be converted to food chemicals such as vanillin and xylitol. Commercialization of processes for the isolation or production of food products from corn bran or corn fiber has been met with numerous technical challenges, therefore further research that improves the production of these components from corn bran or corn fiber is needed.
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Affiliation(s)
- Devin J Rose
- Functional Foods Research Unit, National Center for Agricultural Utilization Research, USDA, ARS, 1815 N University Street, Peoria, IL 61604, USA
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Rose DJ, Inglett GE. Production of feruloylated arabinoxylo-oligosaccharides from maize (Zea mays) bran by microwave-assisted autohydrolysis. Food Chem 2010. [DOI: 10.1016/j.foodchem.2009.09.053] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Zhu H, Wang F, Huang W, Zheng J, Rayas-Duarte P. Rheofermentometer fermentation and breadmaking characteristics of dough containing xylo-oligosaccharide hydrolyzate from wheat bran. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:1878-1883. [PMID: 20055409 DOI: 10.1021/jf902131r] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The sugar composition of a xylo-oligosaccharide enzymolysis solution (XES) hydrolyzed from wheat bran and bread containing XES were studied. The effects of the XES on fermentation properties of dough and on bread crumb and crust color characteristics are reported. The composition of sugars was determined by high performance liquid chromatography (HPLC), and the fermentation properties of dough and bread color were determined by Rheofermentometer F3 and Chroma Meter CR-400, respectively. xylo-Oligosaccharides (XOS) (51.3%) and xylose (39.2%) were the major sugars in the XES. XOS remained in the XES-containing bread after breadmaking processes (xylotriose, xylotetraose, and xylopentaose, 21.1%), with xylopentaose accounting for 14.4%. Maximum dough height (Hm) was significantly increased by XES, while the maximum gaseous release height (Hm') was not affected. XES increased the brownness index of the crumb and crust of bread when compared to the that of control bread. Consumer acceptability scores of control and XES containing breads were similar.
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Affiliation(s)
- Huiyan Zhu
- The State Key Laboratory of Food Science and Technology, School of Food Science and Technology, International Exchange and Cooperation Program, Jiangnan University, Wuxi, Jiangsu, 214122, China
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29
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Martínez M, Gullón B, Schols HA, Alonso JL, Parajó JC. Assessment of the Production of Oligomeric Compounds from Sugar Beet Pulp. Ind Eng Chem Res 2009. [DOI: 10.1021/ie8017753] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Martina Martínez
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain, and Laboratory of Food Chemistry, Department of Agrotechnology and Food Sciences, Wageningen University, Bomenweg 2, 6703 HD, Wageningen, The Netherlands
| | - Beatriz Gullón
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain, and Laboratory of Food Chemistry, Department of Agrotechnology and Food Sciences, Wageningen University, Bomenweg 2, 6703 HD, Wageningen, The Netherlands
| | - Henk A. Schols
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain, and Laboratory of Food Chemistry, Department of Agrotechnology and Food Sciences, Wageningen University, Bomenweg 2, 6703 HD, Wageningen, The Netherlands
| | - José L. Alonso
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain, and Laboratory of Food Chemistry, Department of Agrotechnology and Food Sciences, Wageningen University, Bomenweg 2, 6703 HD, Wageningen, The Netherlands
| | - Juan C. Parajó
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain, and Laboratory of Food Chemistry, Department of Agrotechnology and Food Sciences, Wageningen University, Bomenweg 2, 6703 HD, Wageningen, The Netherlands
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30
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Roos AA, Persson T, Krawczyk H, Zacchi G, Stålbrand H. Extraction of water-soluble hemicelluloses from barley husks. BIORESOURCE TECHNOLOGY 2009; 100:763-769. [PMID: 18762412 DOI: 10.1016/j.biortech.2008.07.022] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2008] [Revised: 07/11/2008] [Accepted: 07/16/2008] [Indexed: 05/26/2023]
Abstract
Heat treatment of barley husks was performed to extract arabinoxylan with high yield and high weight-averaged molecular mass (M(W)). Microwave irradiation was employed for initial screening of suitable residence times (2-15 min), temperatures (120-210 degrees C) and initial pH (3-13) of the reaction slurry. Microwave irradiation was shown to be a good method for predicting the effects of heat treatment on a larger scale using steam pretreatment. A M(W) of about 40,000 Da was achieved without the addition of chemicals, by both microwave irradiation and steam pretreatment, with a yield of about 9%. The yield was significantly increased by slightly increasing the severity factor. However, the M(W) decreased below 20,000 Da at severity factors above 3.7. Arabinosyl side groups were enzymatically hydrolysed from the arabinoxylan by alpha-L-arabinofuranosidase to a degree of 47%, demonstrating the ability to specifically alter the side group substitution of arabinoxylans with the use of enzymes.
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Affiliation(s)
- Alexandra A Roos
- Department of Biochemistry, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden
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31
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Vegas R, Moure A, Domínguez H, Parajó JC, Alvarez JR, Luque S. Evaluation of ultra- and nanofiltration for refining soluble products from rice husk xylan. BIORESOURCE TECHNOLOGY 2008; 99:5341-5351. [PMID: 18158238 DOI: 10.1016/j.biortech.2007.11.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2006] [Revised: 11/08/2007] [Accepted: 11/09/2007] [Indexed: 05/25/2023]
Abstract
Liquors from water treatments of rice husks (containing soluble xylan-derived products) were processed with NF and UF membranes for concentrating and removing both monosaccharides and non-saccharide compounds. Among the commercial membranes assayed, the best results were achieved with the 4 kDa polymeric tubular ESP04 (PCI Membranes), and the 1 kDa ceramic monolithic Kerasep Nano (Novasep). Several trade-offs were identified both in membrane selection and in operating conditions. The ESP04 polymeric membrane provided the best fractionation, but lower recovery under comparable experimental conditions, while its fluxes were about half of those of the ceramic Kerasep Nano membrane. Increase in transmembrane pressure resulted in improved product recovery, at the expense of a lower purity. Additional data on product refining by coupling membrane processing with extraction and ion exchange are provided.
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Affiliation(s)
- Rodolfo Vegas
- Department of Chemical Engineering, University of Vigo (Campus Ourense), Polytechnical Building, As Lagoas, 32004 Ourense, Spain
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González-Muñoz M, Domínguez H, Parajó J. Depolymerization of xylan-derived products in an enzymatic membrane reactor. J Memb Sci 2008. [DOI: 10.1016/j.memsci.2008.04.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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33
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Non-isothermal autohydrolysis of barley husks: Product distribution and antioxidant activity of ethyl acetate soluble fractions. J FOOD ENG 2008. [DOI: 10.1016/j.jfoodeng.2007.06.021] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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34
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Gullón B, Yáñez R, Alonso JL, Parajó JC. L-lactic acid production from apple pomace by sequential hydrolysis and fermentation. BIORESOURCE TECHNOLOGY 2008; 99:308-19. [PMID: 17321133 DOI: 10.1016/j.biortech.2006.12.018] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2006] [Revised: 12/12/2006] [Accepted: 12/17/2006] [Indexed: 05/14/2023]
Abstract
The potential of apple pomace (a solid waste from cider and apple juice making factories) as a source of sugars and other compounds for fermentation was evaluated. The effect of the cellulase-to-solid ratio (CSR) and the liquor-to-solid ratio (LSR) on the kinetics of glucose and total monosaccharide generation was studied. Mathematical models suitable for reproducing and predicting the hydrolyzate composition were developed. When samples of apple pomace were subjected to enzymatic hydrolysis, the glucose and fructose present in the raw material as free monosaccharides were extracted at the beginning of the process. Using low cellulase and cellobiase charges (8.5 FPU/g-solid and 8.5 IU/g-solid, respectively), 79% of total glucan was saccharified after 12 h, leading to solutions containing up to 43.8 g monosaccharides/L (glucose, 22.8 g/L; fructose, 14.8 g/L; xylose+mannose+galactose, 2.5 g/L; arabinose+rhamnose, 2.8g/L). These results correspond to a monosaccharide/cellulase ratio of 0.06 g/FPU and to a volumetric productivity of 3.65 g of monosaccharides/L h. Liquors obtained under these conditions were used for fermentative lactic acid production with Lactobacillus rhamnosus CECT-288, leading to media containing up to 32.5 g/L of L-lactic acid after 6 h (volumetric productivity=5.41 g/L h, product yield=0.88 g/g).
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Affiliation(s)
- Beatriz Gullón
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004, Ourense, Spain
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35
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Garrote G, Kabel MA, Schols HA, Falqué E, Domínguez H, Parajó JC. Effects of Eucalyptus globulus wood autohydrolysis conditions on the reaction products. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2007; 55:9006-13. [PMID: 17900164 DOI: 10.1021/jf0719510] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Eucalyptus globulus wood samples were reacted in aqueous media (hydrothermal treatments) at 160 degrees C for 30-66 min. Liquors from the several experiments were analyzed by spectrophotometry, high-performance liquid chromatography, or gas chromatography-mass spectrometry for monosaccharides, oligosaccharides, oligosaccharide substituents (arabinose moieties, uronic acids, and acetyl groups), acetic acid, furfural, hydroxymethylfurfural, and dichloromethane-soluble compounds. Individual components of this latter fraction were identified and quantified. The molecular weight distribution of oligosaccharides was studied by high-performance size exclusion chromatography. The kinetics of xylan conversion into high-, medium-, and low-molecular-weight products was assessed in terms of the severity factor and by pseudohomogeneous kinetic models.
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Affiliation(s)
- Gil Garrote
- Department of Chemical Engineering, University of Vigo (Campus Ourense), Polytechnical Building, As Lagoas, 32004 Ourense, Spain.
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36
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Gullón B, Garrote G, Alonso JL, Parajó JC. Production of L-lactic acid and oligomeric compounds from apple pomace by simultaneous saccharification and fermentation: a response surface methodology assessment. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2007; 55:5580-7. [PMID: 17567032 DOI: 10.1021/jf070442v] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
The potential of apple pomace for lactic acid production by simultaneous saccharification and fermentation (SSF) was evaluated. The effects of the cellulase to solid ratio (CSR), the liquor to solid ratio (LSR), and the beta-glucosidase to cellulase ratio (BCR) on the kinetics of lactic acid generation were assessed, and a set of mathematical models was developed to reproduce and predict the lactic acid concentration of fermentation broths. Operating at low cellulase and cellobiase charges (1 FPU/g and 0.25 IU/FPU, respectively) and short reaction times (10 h), SSF media containing 27.8 g of lactic acid/L were obtained with a volumetric productivity of 2.78 g/Lh. Material balances showed that the SSF processing of 100 kg of dry apple pomace results in the production of 36.6 kg of lactic acid, 18.3 kg of oligomeric carbohydrates (which can be used as ingredients for functional foods), 8.4 kg of microbial biomass, and 8 kg uronic acids.
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Affiliation(s)
- Beatriz Gullón
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain
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37
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Nabarlatz D, Montané D, Kardosová A, Bekesová S, Hríbalová V, Ebringerová A. Almond shell xylo-oligosaccharides exhibiting immunostimulatory activity. Carbohydr Res 2007; 342:1122-8. [PMID: 17362891 DOI: 10.1016/j.carres.2007.02.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2006] [Revised: 02/01/2007] [Accepted: 02/16/2007] [Indexed: 10/23/2022]
Abstract
Partially O-acetylated xylo-oligosaccharides (DXO) isolated from almond shells by autohydrolysis as well as their de-acetylated form (DeXO) were subjected to chemical, molecular, and structural analyses. They represent a mixture of neutral and acidic oligomers and low-molecular weight polymers related to (4-O-methyl-D-glucurono)-D-xylan. DXO and DeXO showed direct mitogenic activity and enhancement of the T-mitogen-induced proliferation of rat thymocytes, indicating the immunostimulatory potential of the almond shell xylo-oligosaccharides.
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Affiliation(s)
- Debora Nabarlatz
- Department of Chemical Engineering, ETSEQ, Rovira i Virgili University, Avinguda dels Països Catalans 26, E-43007 Tarragona, Catalunya, Spain.
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38
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Vázquez MJ, Alonso JL, Domínguez H, Parajó JC. Production and Refining of Soluble Products from Eucalyptus globulus Glucuronoxylan. ACTA ACUST UNITED AC 2007. [DOI: 10.1135/cccc20070307] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Milled Eucalyptus globulus wood samples were subjected to hydrothermal treatment under a variety of operational conditions in order to cause the hydrolytic degradation of glucuronoxylan. Liquors contained both hemicellulose-derived products (soluble products from xylan, mainly corresponding to substituted oligosaccharides and monosaccharides) and non- saccharide compounds. Liquors obtained under selected conditions were concentrated and subjected to ethyl acetate extraction (3 steps) and ion exchange (with Amberlite IRA 400 or Amberlite IRA 96) to decrease the content of non-saccharide components. The various streams involved in the whole process were assayed for composition, and material balances were formulated for the best results. The highest purification degree was obtained with Amberlite IRA 400, which led to a final isolate (consisting of monosaccharides, substituted oligosaccharides and non-volatile, non-saccharide components) containing 92.2 wt.% of saccharides and 7.76 wt.% of non-saccharide components (mainly phenolic compounds).
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39
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Moure A, Gullón P, Domínguez H, Parajó JC. Advances in the manufacture, purification and applications of xylo-oligosaccharides as food additives and nutraceuticals. Process Biochem 2006. [DOI: 10.1016/j.procbio.2006.05.011] [Citation(s) in RCA: 386] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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40
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Vegas R, Luque S, Alvarez JR, Alonso JL, Domínguez H, Parajó JC. Membrane-assisted processing of xylooligosaccharide-containing liquors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2006; 54:5430-6. [PMID: 16848528 DOI: 10.1021/jf060525w] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Liquors from rice husk autohydrolyis, containing xylooligosaccharides, other saccharides, and nonsaccharide compounds, were subjected to two selected processing schemes to increase the proportion of substituted xylooligosaccharides in refined liquors. Nanofiltration through a ceramic membrane with a molecular mass cutoff of 1000 Da allowed simultaneous concentration and purification; this latter derived from the preferential removal of monosaccharides and nonsaccharide compounds. When liquors were nanofiltered to achieve a volume reduction factor of 5 operating at a transmembrane pressure of 14 bar, 58.6% of the nonsaccharide components and 20.9-46.9% of monosaccharides were kept in retentate, in comparison with 92% of xylooligosaccharides and glucooligosaccharides. When nanofiltered liquors were subjected to double ion-exchange processing, a final product with a nonsaccharide content near 9 kg/100 kg of nonvolatile components was obtained at a yield of 10.90 kg/100 kg oven dry rice husks. Alternatively, when nanofiltered liquors were subjected to ethyl acetate extraction and further double ion-exchange processing, a purified product with a nonsaccharide content of 5.66 kg/100 kg of nonvolatile components was obtained at a yield of 9.94 kg/100 kg oven dry rice husks. The nonsaccharide components remaining in the final concentrate were mainly made up of phenolic and nitrogen-containing compounds.
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Affiliation(s)
- Rodolfo Vegas
- Department of Chemical Engineering, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain
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Montané D, Nabarlatz D, Martorell A, Torné-Fernández V, Fierro V. Removal of Lignin and Associated Impurities from Xylo-oligosaccharides by Activated Carbon Adsorption. Ind Eng Chem Res 2006. [DOI: 10.1021/ie051051d] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Daniel Montané
- Departament d'Enginyeria Química, ETSEQRovira i Virgili University, Av. Països Catalans 26, 43007 Tarragona (Catalunya), Spain
| | - Débora Nabarlatz
- Departament d'Enginyeria Química, ETSEQRovira i Virgili University, Av. Països Catalans 26, 43007 Tarragona (Catalunya), Spain
| | - Anna Martorell
- Departament d'Enginyeria Química, ETSEQRovira i Virgili University, Av. Països Catalans 26, 43007 Tarragona (Catalunya), Spain
| | - Vanessa Torné-Fernández
- Departament d'Enginyeria Química, ETSEQRovira i Virgili University, Av. Països Catalans 26, 43007 Tarragona (Catalunya), Spain
| | - Vanessa Fierro
- Departament d'Enginyeria Química, ETSEQRovira i Virgili University, Av. Països Catalans 26, 43007 Tarragona (Catalunya), Spain
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42
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Griebl A, Lange T, Weber H, Milacher W, Sixta H. Xylo-Oligosaccharide (XOS) Formation through Hydrothermolysis of Xylan Derived from Viscose Process. ACTA ACUST UNITED AC 2005. [DOI: 10.1002/masy.200551413] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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43
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Nabarlatz D, Farriol X, Montané D. Autohydrolysis of Almond Shells for the Production of Xylo-oligosaccharides: Product Characteristics and Reaction Kinetics. Ind Eng Chem Res 2005. [DOI: 10.1021/ie050664n] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Debora Nabarlatz
- Department of Chemical Engineering, ETSEQ, Rovira i Virgili University, Av. Països Catalans 26, E-43007 Tarragona (Catalunya), Spain
| | - Xavier Farriol
- Department of Chemical Engineering, ETSEQ, Rovira i Virgili University, Av. Països Catalans 26, E-43007 Tarragona (Catalunya), Spain
| | - Daniel Montané
- Department of Chemical Engineering, ETSEQ, Rovira i Virgili University, Av. Països Catalans 26, E-43007 Tarragona (Catalunya), Spain
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