EP2016103A1 - Procédé de production de xylo-oligosaccharides - Google Patents

Procédé de production de xylo-oligosaccharides

Info

Publication number
EP2016103A1
EP2016103A1 EP07718435A EP07718435A EP2016103A1 EP 2016103 A1 EP2016103 A1 EP 2016103A1 EP 07718435 A EP07718435 A EP 07718435A EP 07718435 A EP07718435 A EP 07718435A EP 2016103 A1 EP2016103 A1 EP 2016103A1
Authority
EP
European Patent Office
Prior art keywords
xylans
membrane separation
retentate
separation process
xylooligosaccharides
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07718435A
Other languages
German (de)
English (en)
Inventor
Herbert Sixta
Roland MÖSLINGER
Thomas Lange
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lenzing AG
Original Assignee
Lenzing AG
Chemiefaser Lenzing AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lenzing AG, Chemiefaser Lenzing AG filed Critical Lenzing AG
Publication of EP2016103A1 publication Critical patent/EP2016103A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0057—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Xylans, i.e. xylosaccharide, e.g. arabinoxylan, arabinofuronan, pentosans; (beta-1,3)(beta-1,4)-D-Xylans, e.g. rhodymenans; Hemicellulose; Derivatives thereof

Definitions

  • the present invention relates to a method for producing xylooligosaccharides.
  • WO 2005/118923 describes the purification of the press liquor of a cold extraction process (CCE process) by means of a membrane separation process.
  • CCE process cold extraction process
  • the resulting retentate contains the entire amount of beta-cellulose present in the press liquor and more than half of the gamma-cellulose.
  • the beta-cellulose solution consists of almost pure xylan.
  • hemicelluloses e.g. Xylans
  • the hemicelluloses thus obtained are mostly used or resold as such.
  • the present invention relates to a method for obtaining xylooligosaccharides, i. xylan chains degraded to a low degree of polymerization of typically 2-10.
  • the method according to the invention for the preparation of xylooligosaccharides comprises the steps
  • CCE Cold-alkali extraction
  • the process according to the invention thus uses the xylans obtained from the caustic liquor of a CCE process in order to prepare xylooligosaccharides therefrom.
  • Xylooligosaccharides have various uses, for example as a prebiotic active food additive.
  • To produce the xylo-oligosaccharides from the xylans obtained it is possible to carry out preferably a process selected from the group consisting of hydrothermolysis and enzymatic hydrolysis.
  • the membrane separation process for concentrating the xylans in the caustic liquor of the CCE process can be carried out in two stages, wherein a dilution of the first-stage retentate with water is carried out between the two separation stages.
  • a nanofiltration of the diluted retentate or a dialysis of the retentate of the first stage can be performed. In both cases, this step increases NaOH recovery while concentrating the hemicellulose phase.
  • US 2005/0203291 describes a process for obtaining xylans from a xylan-rich phase.
  • the xylans are obtained from the retentate of the membrane separation process by means of a reverse precipitation.
  • FIG. 1 shows the molecular weight distribution of a xylan isolated from a CCE filtrate by reverse precipitation in mineral acid. example
  • the NF system was operated at a temperature of 40 ° C, a pressure of 25 bar and a specific flow rate of 5 l / m 2 .h.
  • the beta-cellulose (xylan) concentration in the feed was about 15 g / l, the NaOH concentration 90 g / l. In equilibrium, the flow rates and thus the liquor loads in the permeate to retentate behaved as 0.82: 0.18.
  • the total amount of beta-cellulose in the retentate was about 85 g / l.
  • the retentate was diluted with water in a ratio of 1: 1.5 and fed again to the NF.
  • the NF conditions of the second stage were comparable to those of the first stage, only the permeate dropped to about 70% of the feed amount.
  • the beta-cellulose in the retentate of the second NF stage was now present at a concentration of about 115 g / l and a NaOH concentration of about 32 g / l (hemilauge).
  • This substrate was used to isolate the beta-cellulose (xylan) by reverse precipitation with mineral acid.
  • a sulfuric acid diluted 1: 3 with water were mixed with 1 part of hemi-lye, in the end a pH of between 4 and 5 being established.
  • XOS Xylo-Oligosaccharides
  • the solution was then neutralized to pH 6.5-7.0 with 0.3 N NaOH.
  • the water-soluble products were centrifuged off at 4000 rpm for 60 min.
  • the isolated amount of XOS was 189.7 g of freeze-dried powder, corresponding to a yield of 59.6% based on the xylan used.
  • the hydrothermally produced XOS mixture shows a relatively uniform composition over the investigated DP range (see Table 1 below).
  • the reaction was carried out in a 7L fermentor with 6 L charge, the xylan concentration was 20 g / L (120 g xylan).
  • the preparation was likewise carried out with the enzyme pentopane mono BG, but with an increased concentration of 1 g / L (50 mg / g xylan).
  • the fermentation was carried out at 40 ° C. for 96 hours.
  • the work-up was carried out as described above.
  • the XOS yield was 78% based on the amount of xylan used (93.66 g XOS).
  • the product consists mainly of xylobiose (Table 1). Table 1: Relative mass fractions of the individual, neutral XOS

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

L'invention concerne un procédé de production de xylo-oligosaccharides comprenant les étapes suivantes : extraction alcaline à froid (CCE) d'une pâte de cellulose obtenue par un procédé de cuisson, purification d'au moins une partie de la liqueur de pressage formée au cours de la phase d'extraction alcaline à froid au moyen d'un procédé de séparation membranaire, de préférence par nanofiltration ou ultrafiltration, extraction des xylanes d'au moins une partie du rétentat issu de l'étape de séparation membranaire et transformation d'au moins une partie des xylanes extraits en xylo-oligosaccharides.
EP07718435A 2006-05-10 2007-05-09 Procédé de production de xylo-oligosaccharides Withdrawn EP2016103A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0080806A AT503624B1 (de) 2006-05-10 2006-05-10 Verfahren zur herstellung von xylooligosacchariden
PCT/AT2007/000223 WO2007128025A1 (fr) 2006-05-10 2007-05-09 Procédé de production de xylo-oligosaccharides

Publications (1)

Publication Number Publication Date
EP2016103A1 true EP2016103A1 (fr) 2009-01-21

Family

ID=38375640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07718435A Withdrawn EP2016103A1 (fr) 2006-05-10 2007-05-09 Procédé de production de xylo-oligosaccharides

Country Status (5)

Country Link
US (1) US20100021975A1 (fr)
EP (1) EP2016103A1 (fr)
AT (1) AT503624B1 (fr)
BR (1) BRPI0711386A2 (fr)
WO (1) WO2007128025A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR091998A1 (es) 2012-05-03 2015-03-18 Annikki Gmbh Procedimiento de preparacion de celulosa con baja concentracion de lignina
EP3094734B1 (fr) 2014-01-16 2018-09-12 Lali, Arvind Mallinath Procédé de fractionnement d'oligosaccharides à partir de déchets d'origine agricole
CN104231098A (zh) * 2014-08-27 2014-12-24 华南理工大学 一种以蔗渣为原料经乙醇/水预处理制备低聚木糖的方法
CN104311704A (zh) * 2014-11-07 2015-01-28 宜宾雅泰生物科技有限公司 以粘胶纤维压榨碱液为原料提取半纤的膜过滤工艺
CN105255965B (zh) * 2015-10-14 2023-04-25 山东龙力生物科技股份有限公司 一种以棉籽壳为原料制备高纯度低聚木糖的方法
US10458067B2 (en) 2017-01-31 2019-10-29 Kimberly-Clark Worldwide, Inc. High bulk tissue comprising cross-linked fibers
EP3650411A1 (fr) * 2018-11-12 2020-05-13 Lenzing Aktiengesellschaft Dispositif et procédé de récupération de la solution alcaline ainsi que dispositif et procédé de fabrication d'un corps moulé cellulosique régénéré comprenant un tel procédé
EP3666798A1 (fr) 2018-12-11 2020-06-17 Lenzing Aktiengesellschaft Composition comportant du xylane et procédé de production d'une composition comportant du xylane
WO2021154560A1 (fr) 2020-01-30 2021-08-05 Kimberly-Clark Worldwide, Inc. Produits de papier sanitaire et domestique comprenant des fibres réticulées
CN111848871B (zh) * 2020-08-10 2023-01-10 北华大学 一种纳米木聚糖基接枝共聚物及其制备方法和应用
CN112608352B (zh) * 2020-11-30 2022-05-03 济南茂腾生物科技有限公司 一种制备高纯度低聚木糖的方法
ES2966032A1 (es) 2022-09-19 2024-04-17 Univ Vigo Proceso de producción de productos derivados de la hemicelulosa

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2549638B2 (ja) * 1986-10-30 1996-10-30 サントリー株式会社 ビフイズス菌増殖促進組成物
JP2807612B2 (ja) * 1993-03-12 1998-10-08 ノボ ノルディスク アクティーゼルスカブ 新規キシラナーゼ、その製造法、該キシラナーゼによるパルプ処理方法及びキシロオリゴ糖の製造法
EP1325961A1 (fr) * 1997-06-10 2003-07-09 Danisco Sweeteners Oy Procédé pour la production de xylose cristallin
WO2004013409A1 (fr) * 2002-07-25 2004-02-12 Coffin World Water Systems Appareil et procede de traitement de liqueur noire
US7812153B2 (en) * 2004-03-11 2010-10-12 Rayonier Products And Financial Services Company Process for manufacturing high purity xylose
AT413820B (de) * 2004-06-02 2006-06-15 Chemiefaser Lenzing Ag Verfahren zur herstellung von cellulosischen formkörpern
CN1280313C (zh) * 2004-09-20 2006-10-18 南京师范大学 低聚木糖的清洁高效制备方法
CN1274702C (zh) * 2004-10-28 2006-09-13 南京林业大学 木聚糖高温降解制备低聚木糖的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007128025A1 *

Also Published As

Publication number Publication date
US20100021975A1 (en) 2010-01-28
AT503624B1 (de) 2008-08-15
AT503624A1 (de) 2007-11-15
WO2007128025A1 (fr) 2007-11-15
BRPI0711386A2 (pt) 2011-11-08

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