CN107041557A - It is easy to the dietary fiber preparation technology of large-scale production - Google Patents

It is easy to the dietary fiber preparation technology of large-scale production Download PDF

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Publication number
CN107041557A
CN107041557A CN201710040512.4A CN201710040512A CN107041557A CN 107041557 A CN107041557 A CN 107041557A CN 201710040512 A CN201710040512 A CN 201710040512A CN 107041557 A CN107041557 A CN 107041557A
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China
Prior art keywords
hemicellulose
lignin
dietary fiber
filtrate
cellulose
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Application number
CN201710040512.4A
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Chinese (zh)
Inventor
陈拙夫
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Chengdu Xianshi Technology Co Ltd
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Chengdu Xianshi Technology Co Ltd
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Priority to CN201710040512.4A priority Critical patent/CN107041557A/en
Publication of CN107041557A publication Critical patent/CN107041557A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention discloses the dietary fiber preparation technology for being easy to large-scale production, comprise the following steps:1), stalk adds acetic acid boiling at 80 100 DEG C, filtering, contains hemicellulose and lignin in filtrate, filter residue is cellulose;2), to step 1) in add acetic acid in the filtrate that obtains, it is 5.0 6.0 to maintain pH, adds monose, and monose is formed with lignin graft copolymerization contains hemicellulose in lignin copolymer, filtering, filtrate, filter residue is lignin copolymer;3), to step 2) ethanol is added in the filtrate that obtains, hemicellulose precipitation, filtering, filter residue is hemicellulose;4), by step 2) obtain lignin copolymer, step 1) obtain cellulose, step 3) obtain hemicellulose and starch carry out mixing obtain dietary fiber.The mouthfeel of dietary fiber in stalk can be improved by technique of the present invention, and it is relatively low to equipment requirement, suitable for large-scale production.

Description

It is easy to the dietary fiber preparation technology of large-scale production
Technical field
The present invention relates to the preparing technical field of dietary fiber, and in particular to is easy to the dietary fiber of large-scale production to prepare work Skill.
Background technology
Dietary fiber is a kind of current functional food ingredient generally acknowledged in the world, is referred to as except water, protein, sugar " the 7th nutrient " outside class, lipid, vitamin, the big nutrient of mineral matter 6, and be described as in 21 century food industry most by Concern, a kind of food additives with special healthcare function and food modifying function.Dietary fiber can be as a kind of effective Functional health-care food prevention of various diseases, and with water-retaining property, Oil keeping, improve the special work(such as food color and local flavor Effect, can improve human consumption's absorption, strengthen body discharges function, promote the diet structure balance of human body, hinder human body to one A little eutrophic excessive absorptions, keep function equilibrium, prevent all kinds of calculus etc. to make with anticancer, decompression, reducing blood lipid, reducing slimming machine With.
Contain dietary fiber in the crops such as stalk, water fruits and vegetables, but dietary fiber is extracted from water fruits and vegetables Cost is higher.And be relatively low in the crops such as stalk not only containing abundant dietary fiber into cost is prepared, so adopting It is a kind of industry development trend that dietary fiber is prepared with stalk, and dietary fiber mainly includes cellulose, hemicellulose and lignin.
Dietary fiber compacted mass in stalk, it is relatively more inflexible, not only influence mouthfeel but also band is gone away when by human body The efficiency reduction of body enteron aisle rubbish.Therefore, the dietary fiber in stalk is needed after cellulose, hemicellulose and lignin separation Mixed again.
The content of the invention
It is an object of the invention to provide the dietary fiber preparation technology for being easy to large-scale production, it can be improved by the technique The mouthfeel of dietary fiber in stalk, and it is relatively low to equipment requirement, suitable for large-scale production.
The present invention is achieved through the following technical solutions:
It is easy to the dietary fiber preparation technology of large-scale production, comprises the following steps:
1), stalk adds acetic acid boiling at 80-100 DEG C, filtering, contains hemicellulose and lignin, filter residue in filtrate For cellulose;
2), to step 1) in add acetic acid in the filtrate that obtains, maintenances pH is 5.0-6.0, addition monose, monose with it is wooden Plain graft copolymerization, which is formed, contains hemicellulose in lignin copolymer, filtering, filtrate, filter residue is lignin copolymer;
3), to step 2) ethanol is added in the filtrate that obtains, hemicellulose precipitation, filtering, filter residue is hemicellulose;
4), by step 2) obtain lignin copolymer, step 1) obtain cellulose, step 3) obtain hemicellulose And starch carries out mixing and obtains dietary fiber.
It is relatively more inflexible due to dietary fiber compacted mass in stalk, not only influence mouthfeel but also taken away when by human body The efficiency reduction of human body intestinal canal rubbish.Therefore, the dietary fiber in stalk is needed cellulose, hemicellulose and lignin separation Mixed again afterwards
The principle of the present invention:During acetic acid boiling, hemicellulose and lignin dissolution are in acetum, filtering Cellulose is in filter residue afterwards, and hemicellulose and lignin are stayed in filtrate, and filtrate is obtained into lignin copolymer with monose polycondensation, Filtering, filter residue is lignin copolymer, and filtrate uses ethanol precipitation hemicellulose, and filtering obtains hemicellulose.
Lignin of the present invention has aldehyde radical, and monose is partly ring-type in aqueous, is partly chain, in monose Phenolic hydroxyl group and lignin in aldehyde radical carry out phenol formaldehyde condensation reaction, then, the strand of lignin increases, molecular weight increase, Filament with certain lines is changed into from original unbodied granular structure, chewy texture can not only be increased, strengthens mouthfeel, And hydrophobicity can be improved, it is macromolecule that the lignin after improvement, which improves material, not easily digested, passes through human body When directly take away rubbish and toxin in enteron aisle, play a part of toxicant elimination and fat cleanness, the ratio of acetic acid and stalk is preferably 1:1-3.
To sum up, the lignin copolymer of preparation, cellulose, hemicellulose and starch are carried out mixing and obtain meals by the present invention Food fiber not only increases the gas porosity of dietary fiber in stalk, and prepares lignin copolymer because by original unbodied Granular structure is changed into the filament with certain lines and improves mouthfeel, and the dietary fiber prepared by the present invention has good Mouthfeel.
Meanwhile, the present invention does not have too high requirement to temperature and pressure, and then relatively low to equipment requirement, suitable for scale metaplasia Production.
Further, step 2) in filtrate and monose weight ratio be 20-30:5-8.
Applicant proves that the weight ratio of filtrate and monose is 20-30 by lot of experiments:During 5-8, lignin copolymerization is formed The mouthfeel of thing is optimal.
Further, step 4) middle sodium carbonate or sodium acid carbonate regulation pH to 4.5-6.0.
Further, step 4) in lignin copolymer, cellulose, the mixed proportion of hemicellulose and starch be 1:1.3- 1.8:1.5-2.0:2.5-3.0。
Aforementioned proportion mixing enables to prepare dietary fiber mouth and see to reach most preferably.
Further, by step 1) obtain cellulose and be prepared into modified cellulose, it is lignin copolymer, cellulose, half fine The mixed proportion of dimension element, modified cellulose and starch is 1:1.3-1.8:1.5-2.0:1.5-1.8:2.5-3.0.
Cellulose is prepared into modified cellulose and uses prior art, by adding modified cellulose in dietary fiber, has Beneficial to the mouthfeel for providing dietary fiber.
The present invention compared with prior art, has the following advantages and advantages:
1st, the lignin copolymer of preparation, cellulose, hemicellulose and starch are carried out mixing and obtain meals by the present invention Fiber not only increases the gas porosity of dietary fiber in stalk, and prepares lignin copolymer because by original unbodied powder Shape structure is changed into the filament with certain lines and improves mouthfeel, and the dietary fiber prepared by the present invention has good mouth Sense.
2nd, the present invention does not have too high requirement to temperature and pressure, and then relatively low to equipment requirement, suitable for large-scale production.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment, to present invention work Further to describe in detail, exemplary embodiment and its explanation of the invention is only used for explaining the present invention, is not intended as to this The restriction of invention.
Embodiment 1:
It is easy to the dietary fiber preparation technology of large-scale production, comprises the following steps:
1), stalk adds acetic acid boiling at 80 DEG C, filtering, and hemicellulose and lignin are contained in filtrate, and filter residue is fibre Dimension element;
2), to step 1) in add acetic acid in the filtrate that obtains, it is 5.0 to maintain pH, adds monose, and monose connects with lignin The weight ratio of branch copolymerization formation lignin copolymer, filtrate and monose is 20:5, filter, contain hemicellulose, filter residue in filtrate For lignin copolymer;
3), to step 2) ethanol is added in the filtrate that obtains, hemicellulose precipitation, filtering, filter residue is hemicellulose;
4), by step 2) obtain lignin copolymer, step 1) obtain cellulose, step 3) obtain hemicellulose And starch carries out mixing and obtains dietary fiber, and pH is adjusted to 4.5 with sodium carbonate or sodium acid carbonate, wherein, lignin copolymer, The mixed proportion of cellulose, hemicellulose and starch is 1:1.3:1.5:2.5.
Embodiment 2:
It is easy to the dietary fiber preparation technology of large-scale production, comprises the following steps:
1), stalk adds acetic acid boiling at 100 DEG C, filtering, and hemicellulose and lignin are contained in filtrate, and filter residue is fibre Dimension element;
2), to step 1) in add acetic acid in the filtrate that obtains, it is 6.0 to maintain pH, adds monose, and monose connects with lignin The weight ratio of branch copolymerization formation lignin copolymer, filtrate and monose is 30:8, filter, contain hemicellulose, filter residue in filtrate For lignin copolymer;
3), to step 2) ethanol is added in the filtrate that obtains, hemicellulose precipitation, filtering, filter residue is hemicellulose;
4), by step 2) obtain lignin copolymer, step 1) obtain cellulose, step 3) obtain hemicellulose And starch carries out mixing and obtains dietary fiber, and pH is adjusted to 6.0 with sodium carbonate or sodium acid carbonate, wherein, lignin copolymer, The mixed proportion of cellulose, hemicellulose and starch is 1:1.8:2.0:3.0.
Embodiment 3:
It is easy to the dietary fiber preparation technology of large-scale production, comprises the following steps:
1), stalk adds acetic acid boiling at 90 DEG C, filtering, and hemicellulose and lignin are contained in filtrate, and filter residue is fibre Dimension element;
2), to step 1) in add acetic acid in the filtrate that obtains, it is 5.5 to maintain pH, adds monose, and monose connects with lignin The weight ratio of branch copolymerization formation lignin copolymer, filtrate and monose is 25:6, filter, contain hemicellulose, filter residue in filtrate For lignin copolymer;
3), to step 2) ethanol is added in the filtrate that obtains, hemicellulose precipitation, filtering, filter residue is hemicellulose;
4), by step 2) obtain lignin copolymer, step 1) obtain cellulose, step 3) obtain hemicellulose And starch carries out mixing and obtains dietary fiber, and pH is adjusted to 5.0 with sodium carbonate or sodium acid carbonate, wherein, lignin copolymer, The mixed proportion of cellulose, hemicellulose and starch is 1:1.5:1.8:2.8.
Embodiment 4:
It is easy to the dietary fiber preparation technology of large-scale production, comprises the following steps:
1), stalk adds acetic acid boiling at 90 DEG C, filtering, and hemicellulose and lignin are contained in filtrate, and filter residue is fibre Cellulosic sections are prepared into modified cellulose by dimension element using prior art;
2), to step 1) in add acetic acid in the filtrate that obtains, it is 5.5 to maintain pH, adds monose, and monose connects with lignin The weight ratio of branch copolymerization formation lignin copolymer, filtrate and monose is 25:5, filter, contain hemicellulose, filter residue in filtrate For lignin copolymer;
3), to step 2) ethanol is added in the filtrate that obtains, hemicellulose precipitation, filtering, filter residue is hemicellulose;
4), by step 2) obtain lignin copolymer, step 1) obtain cellulose, modified cellulose, step 3) obtain The hemicellulose and starch obtained carries out mixing and obtains dietary fiber, and pH is adjusted to 5.0 with sodium carbonate or sodium acid carbonate, wherein, Lignin copolymer, cellulose, hemicellulose, the mixed proportion of modified cellulose and starch are 1:1.3:1.5:1.5:2.5.
Embodiment 5:
It is easy to the dietary fiber preparation technology of large-scale production, comprises the following steps:
1), stalk adds acetic acid boiling at 90 DEG C, filtering, and hemicellulose and lignin are contained in filtrate, and filter residue is fibre Cellulosic sections are prepared into modified cellulose by dimension element using prior art;
2), to step 1) in add acetic acid in the filtrate that obtains, it is 5.5 to maintain pH, adds monose, and monose connects with lignin The weight ratio of branch copolymerization formation lignin copolymer, filtrate and monose is 25:5, filter, contain hemicellulose, filter residue in filtrate For lignin copolymer;
3), to step 2) ethanol is added in the filtrate that obtains, hemicellulose precipitation, filtering, filter residue is hemicellulose;
4), by step 2) obtain lignin copolymer, step 1) obtain cellulose, modified cellulose, step 3) obtain The hemicellulose and starch obtained carries out mixing and obtains dietary fiber, and pH is adjusted to 5.0 with sodium carbonate or sodium acid carbonate, wherein, Lignin copolymer, cellulose, hemicellulose, the mixed proportion of modified cellulose and starch are 1:1.3:1.5:1.8:2.5.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included Within protection scope of the present invention.

Claims (5)

1. it is easy to the dietary fiber preparation technology of large-scale production, it is characterised in that comprise the following steps:
1), stalk adds acetic acid boiling at 80-100 DEG C, filtering, and hemicellulose and lignin are contained in filtrate, and filter residue is fibre Dimension element;
2), to step 1) in add acetic acid in the filtrate that obtains, maintenances pH is 5.0-6.0, and addition monose, monose connects with lignin Branch copolymerization, which is formed, contains hemicellulose in lignin copolymer, filtering, filtrate, filter residue is lignin copolymer;
3), to step 2) ethanol is added in the filtrate that obtains, hemicellulose precipitation, filtering, filter residue is hemicellulose;
4), by step 2) obtain lignin copolymer, step 1) obtain cellulose, step 3) obtain hemicellulose and Starch carries out mixing and obtains dietary fiber.
2. the dietary fiber preparation technology according to claim 1 for being easy to large-scale production, it is characterised in that step 2) in filter The weight ratio of liquid and monose is 20-30:5-8.
3. the dietary fiber preparation technology according to claim 1 for being easy to large-scale production, it is characterised in that step 4) in use Sodium carbonate or sodium acid carbonate regulation pH to 4.5-6.0.
4. the dietary fiber preparation technology according to claim 1 for being easy to large-scale production, it is characterised in that step 4) in wood Quality copolymer, cellulose, the mixed proportion of hemicellulose and starch are 1:1.3-1.8:1.5-2.0:2.5-3.0.
5. the dietary fiber preparation technology according to claim 1 for being easy to large-scale production, it is characterised in that by step 1) obtain Cellulose is prepared into modified cellulose, lignin copolymer, cellulose, hemicellulose, the mixing of modified cellulose and starch Ratio is 1:1.3-1.8:1.5-2.0:1.5-1.8:2.5-3.0.
CN201710040512.4A 2017-01-20 2017-01-20 It is easy to the dietary fiber preparation technology of large-scale production Withdrawn CN107041557A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104404803A (en) * 2014-08-29 2015-03-11 济南米铎碳新能源科技有限公司 Straw component separation and straw component full utilization method
CN105431466A (en) * 2013-06-26 2016-03-23 植物材料工业公司 Phenolic resin obtained by polycondensation of formaldehyde, phenol and lignin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105431466A (en) * 2013-06-26 2016-03-23 植物材料工业公司 Phenolic resin obtained by polycondensation of formaldehyde, phenol and lignin
CN104404803A (en) * 2014-08-29 2015-03-11 济南米铎碳新能源科技有限公司 Straw component separation and straw component full utilization method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
刘一星: "《木材学》", 31 December 2012, 中国林业出版社 *
杜彩云: "《有机化学》", 31 December 2015, 武汉大学出版社 *
邵宽: "《纺织加工化学》", 30 April 1996, 中国纺织出版社 *

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Application publication date: 20170815