CN102898548B - A kind of preparation method of inulin - Google Patents
A kind of preparation method of inulin Download PDFInfo
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- CN102898548B CN102898548B CN201210360605.2A CN201210360605A CN102898548B CN 102898548 B CN102898548 B CN 102898548B CN 201210360605 A CN201210360605 A CN 201210360605A CN 102898548 B CN102898548 B CN 102898548B
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Abstract
The present invention relates to new resource food processing technique field, more particularly, is with the preparation method of jerusalem artichoke or the witloof inulin that is raw material.The invention provides that a kind of yield is high, few with water, the preparation method of the inulin of less energy consumption.It is with jerusalem artichoke or witloof for raw material, and successively through decortication, dice, Continuous Countercurrent Extraction, adds Ca (OH)
2, CO
2carry out single stage method removal of impurities, decolouring with gac, nanofiltration membrane concentrates, and concentrated solution obtains highly purified inulin after strong cation and the desalination of weakly anionic resin exchange column.Removal of impurities of the present invention, a step of decolouring complete, and avoid the material waste adopting two carbon method to cause, have simplified technique, improve production efficiency.
Description
Technical field:
The present invention relates to new resource food processing technique field, more particularly, is with the preparation method of jerusalem artichoke or the witloof inulin that is raw material.
Background technology:
Inulin (Inulin) derives from the plant such as jerusalem artichoke, witloof, is a kind of functional Polylevulosan, is also the most diffluent water-soluble dietary fibre.Inulin, as a kind of functional ingredient of pure natural, has been accessory substance by more than 20, world state approval, has been widely used in milk-product, beverage, low-fat low-calorie food, bakes and banks up with earth in food, protective foods.Inulin connects generation by D-fructofuranose molecule with β-(2,1) glycosidic link, and on this chain, major part is fructose, has a glucose at end, makes inulin have different character.Inulin has reducing blood-fat, improves intestinal environment, promote proliferation of probiotics, anti-ly treat constipation, prevent colon cancer, promote mineral absorption, obesity prevention, do not cause blood glucose fluctuation, can be used as the physiological functions such as diabetes patient.Within 2009, inulin is approved as new resource food by the Ministry of Health.
Inulin processing technology mainly contains hot dipping extraction of the juice, two carbon method and the coupling of resin purification method, ultra-filtration technique, and adds endo-inulinase and be converted into high fructose syrup technology.In actually operating, hot dipping extraction of the juice efficiency is low, water consumption is large; The decolouring of two carbon method can cause a large amount of wastes of material; Resin purification adopts reinforcing yin essence resin cation (R.C.) and weak zwitterion resin to be used in conjunction the object reaching desalination usually, and material can be caused damage by resin absorption, affects inulin yield.In a word, traditional technology at extraction yield, de-monose, decolour, remove mineral substance etc. in there are some problems, there is the shortcomings such as water consumption is large, power consumption is higher, extraction yield is lower, operation is longer, cost is higher.Jerusalem artichoke itself is also containing a large amount of polyphenols, and have astringent taste and the shortcoming heavier with pigment, not only color is gloomy for the inulin of existing explained hereafter, affects sense organ, and its distinctive astringent taste affects mouthfeel again, and the value of commodity is low.The sizable part of high-quality inulin of current China application will from European import.
Summary of the invention:
The present invention is exactly for the problems referred to above, provides that a kind of yield is high, few with water, the preparation method of the inulin of less energy consumption.
In order to realize above-mentioned purpose of the present invention, the present invention adopts following technical scheme,
With jerusalem artichoke or witloof for raw material, successively through decortication, dice, Continuous Countercurrent Extraction, adds Ca (OH)
2, CO
2carry out single stage method removal of impurities, decolouring with gac, nanofiltration membrane concentrates, and concentrated solution obtains highly purified inulin after strong cation and the desalination of weakly anionic resin exchange column;
Described countercurrent extraction adopts pure water, and solid-to-liquid ratio is 1: 1 ~ 5, and extraction temperature is 60 ~ 90 DEG C, and extraction time is 1 ~ 2 hour;
In the process of removal of impurities, decolouring, first add Ca (OH)
2solid, pH=8 ~ 11 of regulation system, passed into CO after 30 minutes
2gas makes PH=5 ~ 8 of system, then adds gac, and decolour after 30 minutes and filter, filtrate is for subsequent use; The add-on of gac is 1 ~ 10 ‰ of system gross weight;
The molecular weight of described nanofiltration membrane is 100 ~ 300 dalton.
The cross section length of side of the fourth after dicing is 2-5mm.
Inulin concentration after nanofiltration membrane concentrates is 15 ~ 30%.
Beneficial effect of the present invention:
1, contain a large amount of pigment in jerusalem artichoke or witloof skin, peel in cleaning process, decrease the difficulty of subsequent handling decolouring;
2, adopt the technological process of dicing, improve the extraction yield of inulin;
3, adopt continuous countercurrent extraction process, improve production efficiency, decrease the consumption of Extraction solvent;
4, removal of impurities, decolouring one step complete, and avoid the material waste adopting two carbon method to cause, have simplified technique, improve production efficiency;
5, material first concentrates through nanofiltration membrane, removes most of small molecular weight impurity and inorganic salt, after enter ion exchange resin, decrease the frequency of resin regeneration, simultaneously also make exchange efficiency significantly improve, decrease water consumption, alleviate the pollution to environment;
6, the present invention adopts strong cation and the two resin-column of weak anionic, a large amount of losses of the material adopting many resin columns to cause can be reduced, be conducive to the yield improving inulin, compared to the coupling of existing strong acid, highly basic, weak acid, weak base exchange column, the yield of inulin of the present invention also has significant superiority.
Embodiment:
Embodiment 1
Fresh for 200kg jerusalem artichoke is washed away silt with hair roller cleaning machine and after decortication, is cut into the thin fourth that the cross section length of side is 2mm, carries out Continuous Countercurrent Extraction with pure water, solid-to-liquid ratio keeps 1: 1, Extracting temperature is 80 DEG C, 1 hour extraction time, adds Ca (OH) in extracting solution
2solid, stirs, makes pH value remain on 9.0, within 30 minutes, pass into CO
2gas makes pH value reach 7.0, add the gac of 3wt ‰ again, decolour 30 minutes, filter, it is 15% that filtrate is concentrated into inulin concentration through nanofiltration (nanofiltration membrane molecular weight is 200 dalton), concentrated solution is after strong cation and the desalination of weakly anionic resin exchange column, spraying dry, obtains white inulin powder 21kg, purity 92%, ash content 0.3%, productive rate is 10.5%.
Embodiment 2
By fresh for 600kg jerusalem artichoke with hair roller cleaning machine wash away silt and decortication after, be cut into the thin fourth that the cross section length of side is 5mm, Continuous Countercurrent Extraction is carried out with pure water, solid-to-liquid ratio keeps 1: 2, and Extracting temperature is 90 DEG C, 2 hours extraction times, extracting solution adds Ca (OH) 2 solid, stir, make pH value remain on 10.0, within 30 minutes, pass into CO
2gas makes pH value reach 7.0, add 3wt ‰ gac again, decolour 30 minutes, filter, it is 30% that filtrate is concentrated into inulin concentration through nanofiltration (nanofiltration membrane molecular weight is 300 dalton), concentrated solution is after strong cation and the desalination of weakly anionic resin exchange column, spraying dry, obtains white inulin powder 62kg, purity 91%, ash content 0.25%, productive rate is 10.3%.
Embodiment 3
Fresh for 400kg jerusalem artichoke is washed away silt with hair roller cleaning machine and after decortication, is cut into the thin fourth that the cross section length of side is 4mm, carries out Continuous Countercurrent Extraction with pure water, solid-to-liquid ratio keeps 1: 4, and Extracting temperature is 70 DEG C, 2 hours extraction times, and extracting solution adds Ca (OH)
2solid, stirs, makes pH value remain on 11.0, within 30 minutes, pass into CO
2gas makes pH value reach 6.0, add 8wt ‰ gac again, decolour 30 minutes, filter, it is 25% that filtrate is concentrated into inulin concentration through nanofiltration (nanofiltration membrane molecular weight is 300 dalton), concentrated solution is after strong cation and the desalination of weakly anionic resin exchange column, spraying dry, obtains white inulin powder 41.5kg, purity 93%, ash content 0.2%, productive rate is 10.38%.
Claims (3)
1. a preparation method for inulin, is characterized in that, with jerusalem artichoke or witloof for raw material, successively through decortication, dice, Continuous Countercurrent Extraction, adds Ca (OH)
2, CO
2carry out single stage method removal of impurities, decolouring with gac, nanofiltration membrane concentrates, and concentrated solution obtains highly purified inulin after strong cation and the desalination of weakly anionic resin exchange column;
Described countercurrent extraction adopts pure water, and solid-to-liquid ratio is 1: 1 ~ 5, and extraction temperature is 60 ~ 90 DEG C, and extraction time is 1 ~ 2 hour;
In the process of removal of impurities, decolouring, first add Ca (OH)
2solid, pH=8 ~ 11 of regulation system, passed into CO after 30 minutes
2gas makes-pH=5 ~ 8 of system, then adds gac, and decolour after 30 minutes and filter, filtrate is for subsequent use; The add-on of gac is 1 ~ 10 ‰ of system gross weight;
The molecular weight of described nanofiltration membrane is 100 ~ 300 dalton.
2. the preparation method of inulin according to claim 1, is characterized in that, the cross section length of side of the fourth after dicing is 2-5mm.
3. the preparation method of inulin according to claim 1, is characterized in that, the inulin concentration after nanofiltration membrane concentrates is 15 ~ 30%.
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| CN201210360605.2A CN102898548B (en) | 2012-09-19 | 2012-09-19 | A kind of preparation method of inulin |
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| CN201210360605.2A CN102898548B (en) | 2012-09-19 | 2012-09-19 | A kind of preparation method of inulin |
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| CN102898548B true CN102898548B (en) | 2015-09-16 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923231B (en) * | 2014-04-18 | 2016-04-27 | 中国科学院烟台海岸带研究所 | A kind of method utilizing jerusalem artichoke and/or witloof continuous production inulin and pectin |
| CN104207127B (en) * | 2014-09-03 | 2016-11-23 | 佐源集团有限公司 | A kind of inulin natural juice and preparation method thereof |
| CN104558256A (en) * | 2015-01-07 | 2015-04-29 | 武汉轻工大学 | Method for pulsed electric field coupled resistance heating-enhanced assisting countercurrent extraction of inulin |
| CN106490621A (en) * | 2016-10-14 | 2017-03-15 | 青岛自然珍萃生物科技有限公司 | A kind of probiotic composition and its application in Constipation |
| CN108424478A (en) * | 2018-04-25 | 2018-08-21 | 厦门欣赛科技有限公司 | A kind of inulin preparation method and preparation system |
| CN108467441A (en) * | 2018-04-25 | 2018-08-31 | 厦门欣赛科技有限公司 | A kind of inulin preparation method and preparation system |
| CN110423292A (en) * | 2019-03-13 | 2019-11-08 | 陕西森弗天然制品有限公司 | It is a kind of to continue to exceed filtering method for what inulin extracted |
| CN110964756A (en) * | 2019-11-11 | 2020-04-07 | 盐城工学院 | Method for preparing L-lactic acid by using jerusalem artichoke in full value |
| CN110845550B (en) * | 2019-12-03 | 2021-03-19 | 中国科学院青岛生物能源与过程研究所 | Deep desalination and purification method of glycerol glucoside |
| CN115176983A (en) * | 2022-05-24 | 2022-10-14 | 河北豪东生物科技有限公司 | Inulin-containing jelly premixed flour |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081874A (en) * | 2007-07-12 | 2007-12-05 | 鞍山中兴医药集团有限公司 | Preparation technique for abstraction of inulin from chicory |
| CN101518307A (en) * | 2009-03-26 | 2009-09-02 | 山西益生元生物科技有限责任公司 | Method of extracting high-purity inulin from jerusalem artichoke and chicory |
| CN101628949A (en) * | 2009-08-07 | 2010-01-20 | 烟台海岸带可持续发展研究所 | Method for manufacturing high-quality inulin |
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- 2012-09-19 CN CN201210360605.2A patent/CN102898548B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081874A (en) * | 2007-07-12 | 2007-12-05 | 鞍山中兴医药集团有限公司 | Preparation technique for abstraction of inulin from chicory |
| CN101518307A (en) * | 2009-03-26 | 2009-09-02 | 山西益生元生物科技有限责任公司 | Method of extracting high-purity inulin from jerusalem artichoke and chicory |
| CN101628949A (en) * | 2009-08-07 | 2010-01-20 | 烟台海岸带可持续发展研究所 | Method for manufacturing high-quality inulin |
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Application publication date: 20130130 Assignee: Shandong Light Energy Biotechnology Co.,Ltd. Assignor: YANTAI INSTITUTE OF COASTAL ZONE RESEARCH, CHINESE ACADEMY OF SCIENCES Contract record no.: X2021210000022 Denomination of invention: A preparation method of inulin Granted publication date: 20150916 License type: Common License Record date: 20210517 |