CN115181137A - Process for producing xylooligosaccharide by adopting physical bursting method - Google Patents

Process for producing xylooligosaccharide by adopting physical bursting method Download PDF

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CN115181137A
CN115181137A CN202110354429.0A CN202110354429A CN115181137A CN 115181137 A CN115181137 A CN 115181137A CN 202110354429 A CN202110354429 A CN 202110354429A CN 115181137 A CN115181137 A CN 115181137A
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oligosaccharide
drying
treatment
physical
separation system
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李来锁
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H3/00Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms
    • C07H3/04Disaccharides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • C07H1/06Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H3/00Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms
    • C07H3/06Oligosaccharides, i.e. having three to five saccharide radicals attached to each other by glycosidic linkages
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0003General processes for their isolation or fractionation, e.g. purification or extraction from biomass
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0057Homoglycans, 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

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  • Life Sciences & Earth Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Sustainable Development (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

The invention discloses a process for producing xylo-oligosaccharide by adopting a physical bursting method, which comprises the following steps: step one, selecting a wood substance; step two, high-energy blasting; step three, extracting; step four, removing impurities; step five, decoloring; step six, concentration; step seven, drying; in the first step, fresh, worm-eaten-free and mildew-free woody substances are selected for later use; according to the method, the selective plant glycosidic bond explosion crusher is used, a pure physical explosion method is adopted, and the biochemical method adopted by other processes is changed, so that the working time is shortened, the efficiency is improved, the waste discharge is reduced, the production cost is reduced, meanwhile, the active carbon is adopted for primary decolorization and impurity removal, then an ultrafiltration membrane purification and separation system and a nanofiltration membrane purification and separation system are adopted for extracting and separating xylooligosaccharide, the existing ion exchange purification and separation system is changed for decolorization and impurity removal, and the quality of xylooligosaccharide preparation is improved.

Description

Process for producing xylooligosaccharide by adopting physical bursting method
Technical Field
The invention relates to the technical field of xylo-oligosaccharide production, in particular to a process for producing xylo-oligosaccharide by adopting a physical bursting method.
Background
Xylo-oligosaccharide is also called xylo-oligosaccharide, and is a functional polysaccharide formed by combining 2-7 xylose molecules by beta-1,4 glycosidic bonds. The bifidus factor function is 10-20 times of other polymeric saccharides. Compared with soybean oligosaccharide, fructo-oligosaccharide, isomaltose oligosaccharide and the like which are commonly used, the xylo-oligosaccharide has unique advantages, can selectively promote the proliferation activity of intestinal bifidobacteria, wherein in the process of producing the xylo-oligosaccharide, xylose oligosaccharide (containing xylo-oligosaccharide) and other types of monosaccharide extracted from plants, and other technological methods such as a fermentation method, a glycolytic enzyme method and the like are adopted. However, other production methods such as fermentation and carbohydrase have the disadvantages of long working time, low efficiency, low yield, high cost, narrow range of used raw materials and the like, and particularly, the produced waste liquid has large amount, serious pollution to the environment and high treatment cost.
Disclosure of Invention
The invention aims to provide a process for producing xylo-oligosaccharide by adopting a physical bursting method, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a process for producing xylo-oligosaccharide by adopting a physical bursting method comprises the following steps: selecting a wood substance; step two, high-energy blasting; step three, extracting; step four, removing impurities; step five, decoloring; step six, concentrating; step seven, drying;
firstly, selecting fresh, worm-eaten-free and mildew-free woody substances for later use, crushing the screened woody substances by using a crusher, wherein the size of the crushed woody substances is 4-6cm, then placing the crushed woody substances in a clean water tank for cleaning, then fishing out the cleaned woody substances for later use, then cooperatively connecting clean water in the clean water tank with a sedimentation tank and a filtering tank to filter and reuse water in the clean water tank, then performing draining treatment on the cleaned woody substances for 20-30min, and then placing the drained woody substances in a drying room for drying treatment, wherein the woody substances comprise corn straws, corncobs, various crops, trees, branches and the like;
in the second step, the dried wood substance in the first step is subjected to blasting treatment by a selective plant glycosidic bond blasting machine to obtain wood substance fragments, wherein the wood substance fragments are 2-3 cm fragments;
in the third step, the wood fragments exploded in the second step are placed in a ventilated position for ventilation treatment to remove residual moisture in the wood fragments, so that subsequent treatment is facilitated, and then the ventilated wood fragments are placed in an extraction reaction kettle for extraction to obtain an extract for later use;
in the fourth step, the extract extracted in the third step is primarily decolorized and purified by using activated carbon, and the addition amount of the activated carbon is 15-35% of the weight of the extract;
in the fifth step, the extract obtained in the fourth step is sequentially decolorized by a membrane ultrafiltration purification separation system and a membrane nanofiltration purification separation system respectively, and the membrane ultrafiltration purification separation system and the membrane nanofiltration purification separation system adopt an imported polypropylene hollow fiber membrane and a modified polysulfone hollow fiber membrane with molecular weights of 200-300 and 1000-2000;
in the sixth step, the extract subjected to the decolorization treatment in the fifth step is transported to a concentration device in a general concentration system for concentration to obtain a concentrate;
in the seventh step, the concentrate obtained in the sixth step is transported to spray drying equipment in a general drying system for drying treatment, and the working temperature range of the spray drying equipment is 50-150 ℃.
According to the technical scheme, in the first step, the drying time is 50-60min, and the drying temperature is 30-40 ℃.
According to the technical scheme, in the second step, the reaction temperature range of the selective plant glycosidic bond breaking machine is between 100 and 300 ℃, and the reaction working pressure range is between 1.0 and 6.0 MPa.
According to the technical scheme, in the third step, the ventilation treatment time is 20-30min.
According to the technical scheme, in the fourth step, the temperature of the primary decoloration and impurity removal is 20-40 ℃, and the processing time of the primary decoloration and impurity removal is 20-40min.
According to the technical scheme, in the sixth step, the working temperature range of the concentration equipment is as follows: 50-105 ℃, and the working pressure range is-0.08 MPa to +0.1 MPa.
Compared with the prior art, the invention has the following beneficial effects: according to the method, the selective plant glycoside bond blasting machine is used, the pure physical blasting method is adopted, and the biochemical method adopted by other processes is changed, so that the working time is shortened, the efficiency is improved, meanwhile, when the xylo-oligosaccharide is prepared, the raw materials are cleaned, the subsequent process for treating the preparation materials is reduced, in addition, in the treatment process, the cleaning water is repeatedly utilized, the discharge of waste is reduced, the production cost is also reduced, meanwhile, the adopted active carbon is primarily decolorized and purified, then, an ultrafiltration membrane purification and separation system and a nanofiltration membrane purification and separation system are adopted to extract and separate the xylo-oligosaccharide, the existing ion exchange purification and separation system is changed to decolorize and purify, and separation, and the quality of the xylo-oligosaccharide is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a process for producing xylo-oligosaccharide by adopting a physical bursting method comprises the following steps: selecting a wood substance; step two, high-energy blasting; step three, extracting; step four, removing impurities; step five, decoloring; step six, concentrating; step seven, drying;
firstly, selecting fresh, worm-eaten-free and mildew-free woody substances for later use, crushing the screened woody substances by using a crusher, wherein the size of the crushed woody substances is 4-6cm, then placing the crushed woody substances in a clean water tank for cleaning, then fishing out the cleaned woody substances for later use, then cooperatively connecting clean water in the clean water tank with a sedimentation tank and a filtering tank to filter and reuse water in the clean water tank, then performing draining treatment on the cleaned woody substances for 20-30min, then placing the drained woody substances in a drying room for drying treatment for 50-60min at the drying temperature of 30-40 ℃, wherein the woody substances comprise corn, corncobs, various crops, branches and trees, straws and the like;
in the second step, the wood material dried in the first step is subjected to blasting treatment by a selective plant glycosidic bond blasting machine to obtain wood material fragments, wherein the wood material fragments are 2-3 cm fragments, the reaction temperature range of the selective plant glycosidic bond blasting machine is 100-300 ℃, and the reaction working pressure range is 1.0-6.0 MPa;
in the third step, the wood fragments exploded in the second step are placed in a ventilated position for ventilation treatment to remove residual moisture in the wood fragments, so that subsequent treatment is facilitated, the ventilation treatment time is 20-30min, and then the wood fragments subjected to ventilation treatment are placed in an extraction reaction kettle for extraction to obtain an extract for later use;
in the fourth step, the extract extracted in the third step is primarily decolorized and purified by using activated carbon, wherein the addition amount of the activated carbon is 15-35% of the weight of the extract, the temperature for primarily decolorizing and purifying is 20-40 ℃, and the processing time for primarily decolorizing and purifying is 20-40min;
in the fifth step, the extract obtained in the fourth step is sequentially decolorized by a membrane ultrafiltration purification separation system and a membrane nanofiltration purification separation system respectively, and the membrane ultrafiltration purification separation system and the membrane nanofiltration purification separation system adopt an imported polypropylene hollow fiber membrane and a modified polysulfone hollow fiber membrane with molecular weights of 200-300 and 1000-2000;
in the sixth step, the extract subjected to the decolorization treatment in the fifth step is transported to a concentration device in a general concentration system for concentration to obtain a concentrate, and the working temperature range of the concentration device is as follows: 50-105 ℃, and the working pressure range is-0.08 MPa to +0.1 MPa;
in the seventh step, the concentrate obtained in the sixth step is transported to a spray drying device in a general drying system for drying treatment, and the range of the working temperature of the spray drying device is 50-150 ℃.
Based on the above, the method has the advantages that when the xylo-oligosaccharide is prepared, the raw materials are firstly cleaned, the subsequent process for treating the prepared materials is reduced, in the treatment process, the cleaning water is repeatedly utilized, the discharge of waste is reduced, meanwhile, the selective plant glycosidic bond blasting machine is used, the working time is shortened, the efficiency is improved, the production cost is reduced, meanwhile, the adopted active carbon and the ultrafiltration membrane purification and separation system and the nanofiltration membrane purification and separation system are adopted to extract and decolor the xylo-oligosaccharide, the existing ion exchange purification and separation system is changed to decolor and remove impurities, and the quality of the xylo-oligosaccharide is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A process for producing xylo-oligosaccharide by adopting a physical bursting method comprises the following steps: selecting a wood substance; step two, high-energy blasting; step three, extracting; step four, removing impurities; step five, decoloring; step six, concentration; step seven, drying; the method is characterized in that:
firstly, selecting fresh, worm-eaten-free and mildew-free woody substances for later use, crushing the screened woody substances by using a crusher, wherein the size of the crushed woody substances is 4-6cm, then placing the crushed woody substances in a clean water tank for cleaning, then fishing out the cleaned woody substances for later use, then cooperatively connecting clean water in the clean water tank with a sedimentation tank and a filtering tank to filter and reuse water in the clean water tank, then performing draining treatment on the cleaned woody substances for 20-30min, and then placing the drained woody substances in a drying room for drying treatment, wherein the woody substances comprise corn straws, corncobs, various crops, trees, branches and the like;
in the second step, the dried wood substance in the first step is subjected to blasting treatment by a selective plant glycosidic bond blasting machine to obtain wood substance fragments, wherein the wood substance fragments are 2-3 cm fragments;
in the third step, the wood fragments exploded in the second step are placed in a ventilated position for ventilation treatment to remove residual moisture in the wood fragments, so that subsequent treatment is facilitated, and then the ventilated wood fragments are placed in an extraction reaction kettle for extraction to obtain an extract for later use;
in the fourth step, the extract extracted in the third step is primarily decolorized and purified by using activated carbon, and the addition amount of the activated carbon is 15-35% of the weight of the extract;
in the fifth step, the extract obtained in the fourth step is sequentially decolorized by a membrane ultrafiltration purification separation system and a membrane nanofiltration purification separation system respectively, and the membrane ultrafiltration purification separation system and the membrane nanofiltration purification separation system adopt an imported polypropylene hollow fiber membrane and a modified polysulfone hollow fiber membrane with molecular weights of 200-300 and 1000-2000;
in the sixth step, the extract subjected to the decolorization treatment in the fifth step is transported to a concentration device in a general concentration system for concentration to obtain a concentrate;
in the seventh step, the concentrate obtained in the sixth step is transported to spray drying equipment in a general drying system for drying treatment, and the working temperature range of the spray drying equipment is 50-150 ℃.
2. The process for producing xylo-oligosaccharide by adopting the physical bursting method according to claim 1, which is characterized in that: in the first step, the drying time is 50-60min, and the drying temperature is 30-40 ℃.
3. The process for producing xylo-oligosaccharide by adopting the physical bursting method as claimed in claim 1, which is characterized in that: in the second step, the reaction temperature range of the selective plant glycosidic bond breaking machine is between 100 and 300 ℃, and the reaction working pressure range is between 1.0 and 6.0 MPa.
4. The process for producing xylo-oligosaccharide by adopting the physical bursting method as claimed in claim 1, which is characterized in that: in the third step, the ventilation treatment time is 20-30min.
5. The process for producing xylo-oligosaccharide by adopting the physical bursting method according to claim 1, which is characterized in that: in the fourth step, the temperature of the preliminary decoloration and impurity removal is 20-40 ℃, and the processing time of the preliminary decoloration and impurity removal is 20-40min.
6. The process for producing xylo-oligosaccharide by adopting the physical bursting method as claimed in claim 1, which is characterized in that: in the sixth step, the working temperature range of the concentration equipment is as follows: 50-105 ℃, and the working pressure range is-0.08 MPa to +0.1 MPa.
CN202110354429.0A 2021-04-01 2021-04-01 Process for producing xylooligosaccharide by adopting physical bursting method Pending CN115181137A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101074247A (en) * 2007-03-28 2007-11-21 李来锁 Selective vegetable glucosidic bond high-energy bursting apparatus and its production
CN101092436A (en) * 2007-04-06 2007-12-26 李来锁 Process engineering for producing oligo xylose through physical exploding smash method
CN201077824Y (en) * 2007-03-28 2008-06-25 李来锁 Selectivity plants glycosidic bond high-energy explosion-breaking machine
CN105483182A (en) * 2015-12-29 2016-04-13 鹤壁市泰新科技有限公司 Production technique of fiber oligosaccharide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101074247A (en) * 2007-03-28 2007-11-21 李来锁 Selective vegetable glucosidic bond high-energy bursting apparatus and its production
CN201077824Y (en) * 2007-03-28 2008-06-25 李来锁 Selectivity plants glycosidic bond high-energy explosion-breaking machine
CN101092436A (en) * 2007-04-06 2007-12-26 李来锁 Process engineering for producing oligo xylose through physical exploding smash method
CN105483182A (en) * 2015-12-29 2016-04-13 鹤壁市泰新科技有限公司 Production technique of fiber oligosaccharide

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