CN1125085C - Process and equipment for preparing special dextrin - Google Patents
Process and equipment for preparing special dextrin Download PDFInfo
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- CN1125085C CN1125085C CN00133211A CN00133211A CN1125085C CN 1125085 C CN1125085 C CN 1125085C CN 00133211 A CN00133211 A CN 00133211A CN 00133211 A CN00133211 A CN 00133211A CN 1125085 C CN1125085 C CN 1125085C
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Abstract
The present invention discloses a method for preparing special dextrin and equipment thereof, which takes starch as the raw material, especially cassava starch. After the DH value of the raw material is liquified by alpha-amylase to 3 to 5, dextrine of which the DP is smaller than 13 and oligosaccharide are produced by a serialization technological process of a hollow fiber enzyme membrane reactor, and then a hollow-fiber membrane reactor of which the catch molecular weight is smaller is utilized to isolate the dextrine and the oligosaccharide to remove the oligosaccharide of which the DP is smaller than 7 and the molecular weight is smaller; finally, the DP8-12 specific dextrine having low moisture absorption, high embedding activity and better water solubility is obtained. The dextrine can be eaten, has no toxin and low viscosity and is suitable for serving as an embedding medium and an excipient of health-care foods and medicines.
Description
The present invention relates to a kind of manufacture method and device thereof of special dextrin, exactly, it is a kind of DP
8-12The manufacture method of special dextrin and tubular fibre enzyme mebrane reactor equipment configuration.
DP
8-12Special dextrin refers to mainly contain the oligomeric dextrin that glucose polymerization degree is 8-12, contains a small amount of malto-oligosaccharide in addition.It is a kind of novel dextrin, has edible, nontoxic, premium propertiess such as viscosity is low, water absorbability is low, good water solubility.By retrieval as can be known: DP
8-12The domestic and foreign literature report is not seen in the preparation of special dextrin as yet.At present the low water absorbability of using of medicinal dextrin tool is water-soluble low, though and maltodextrin solubleness is good, but water absorbability is strong.
The present invention seeks to starch is raw material, after the preliminary liquefaction of α-Dian Fenmei, with micro-filtration post coarse filtration, continuous enzymolysis is separated dextrin and the oligose that obtains DP＜13 in the tubular fibre enzyme mebrane reactor then, remove oligose with the hollow fiber membrane ultrafiltration device separation of less molecular weight cut-off at last, obtain DP
8-12Special dextrin.Design a kind of tubular fibre enzyme mebrane reactor equipment configuration of continuous preparation special dextrin simultaneously.
The present invention is realized that by following technical proposals it adopts tubular fibre enzyme mebrane reactor system, adopts the fine ultra-fine filter of polysulfones hollow, molecular weight cut-off 17000-22000 and molecular weight cut-off 10000, cytochrome C rejection 100%;
This method comprises the following steps:
(a) be after raw material tentatively liquefies, to remove impurity and retrogradation starch with starch with the micro-filtration post;
(b) continuous enzymolysis is separated in tubular fibre enzyme membrane reactive system, obtains the dextrin and the oligose of DP＜13;
(c) remove the less oligose of the polymerization degree with the middle cellulosic ultrafiltration device of low molecular retention rate, obtain DP
8-12Special dextrin.
A kind of device that is used to realize aforesaid method, this device comprises:
(a) retort, the feed supplement jar links to each other with retort, and water-bath is laid retort;
(b) collector, peristaltic pump A links to each other with threeway, and the micro-filtration post links to each other with the intermediates collector;
(c) ultrafiltration post I, this ultrafiltration post I links to each other with the product collector, and peristaltic pump B links to each other with ultrafiltration post II;
(d) byproduct collector, this byproduct collector ultrafiltration post II links to each other with the byproduct collector;
Above-mentioned these members are the primary member of enzyme mebrane reactor continuous enzymolysis device
The invention discloses a kind of tubular fibre enzyme mebrane reactor equipment of continuous preparation special dextrin.It is raw material, particularly tapioca (flour) with starch.With α-Dian Fenmeiyehua to DE value 3-5, adopt tubular fibre enzyme mebrane reactor continuous process flow process to make the dextrin and the oligose of DP＜13, separate with the less hollow fiber membrane reactor of molecular weight cut-off again, remove the oligose of less DP＜7 of molecular weight, finally obtain DP
8-12Component concentration is greater than 60% special dextrin.The special dextrin that the present invention makes is compared with existing product maltodextrin on the market, and it is low to have water absorbability, and the active high characteristic of embedding is compared with medicinal dextrin and then to be had better water solubility.This special dextrin is edible, nontoxic, low viscosity, is applicable to embedding, the vehicle of making protective foods and medicine.This craft feature: 1, product does not contain enzyme, and quality is good; 2, enzyme dosage is economized, and enzyme uses repeatedly, and every batch only need add a small amount of enzyme; 3, the production cycle is shortened in serialization production, and expense is economized.
Below the present invention is described in further detail by specific embodiment.
Fig. 1 is the device syndeton synoptic diagram of the manufacture method of a kind of special dextrin of the present invention.
1 is the feed supplement jar among the figure; 2 is retort; 3 is water-bath; 4 is peristaltic pump A; 5 are threeway; 6 is the micro-filtration post; 7 is the intermediates collector; 8 is the product collector; 9 is peristaltic pump B; 10 is the byproduct collector; 11 are ultrafiltration post II; 12 is purge tank; 13 are ultrafiltration post I.
This DP
8-12The manufacture method of special dextrin earlier with after the starch liquefacation, is carried out coarse filtration (aperture 0.2 μ m) with the micro-filtration post, removes by filter impurity in the starch and retrogradation starch to protect the ultrafiltration post; Use tubular fibre enzyme mebrane reactor system (molecular weight cut-off 17000-22000) continuous enzymolysis separating technology to make the dextrin and the oligose (guaranteeing suitable solubleness) of DP＜13 again; The oligose of removing low polymerization degree with the super device of tubular fibre (molecular weight cut-off 10000 or 6000) finally obtains DP to prevent high water absorbability at last
8-12Special dextrin.
Its preparation technology is:
Prepare the starch slurry of proper concn earlier, Na with 5%
2CO
3Regulate pH6.0-6.5, add a certain amount of 5% CaCl
2Solution is heated to proper temperature in 80-90 ℃ of water-bath, add α-Dian Fenmei (0.5-1.0 μ/g starch) and stir liquefaction, and the control liquefying time makes liquefaction back DE value 3-5.Liquefy second jar as feed supplement liquid with quadrat method.Earlier liquefier is carried out coarse filtration,, go up ultrafiltration post (molecular weight 17000-22000) again, stablize peristaltic pump pressure 0.1Mpa/cm to remove partial impurities and retrogradation starch with micro-filtration post (aperture 0.2 μ m)
2, feed supplement (can continuously or intermittently) is carried out in discharging behind the circulation 5min simultaneously, keeps out-feed liquid pol about 20.Out-feed liquid (DP＜13) carries out secondary separation as intermediates with the less ultrafiltration post of molecular weight (10000 or 6000), and (control pressure is 0.05Mpa/cm
2), the isolated part of ultrafiltration post is that DP is main malto-oligosaccharide byproduct less than 7.The DP of the part that refluxes for needing
8-12Be main product, the DE value is about 12-15.Product sampling HPLC detected components content.
Adopting molecular weight cut-off one is greatly 17000-22000, one little i.e. 10000 or 6,000 two polysulfone hollow fibre ultrafiltration posts, the dextrin of removing high DP with the post of macromolecule is removed the oligose of low DP to prevent high water absorbability to guarantee suitable solubleness with the post of small molecular weight.Prepared DP
8-12Special dextrin has high solubleness and lower water absorbability.The starch material that is adopted is a tapioca (flour).
Embodiment one: prepare DP continuously
8-12Special dextrin.(molecular weight cut-off 17000 is adopted in flash liberation, and secondary separation employing molecular weight cut-off is 10000 ultrafiltration post)
100 portions of tapioca (flour)s and 250 parts of water are made into starch slurry, regulate pH6.0-6.5, add 5%CaCl with 5% sodium carbonate solution
21-2ml/ part places 80-90 ℃ of thermostat water bath heating, stirs, before slurry temperature rises to starch pasting, during proper temperature, add the liquefaction of α-Dian Fenmei (enzyme activity 0.5-1.8 μ/g starch) gelatinization limit, limit immediately, continue to be warming up to 70 ± 2 ℃, constant temperature 5-10min, liquefaction finishes.Sampling 10ml surveys its DE value and is 3-5, and same quadrat method liquefies second part as feed supplement liquid.
One jar of liquefier is inserted 1# retort (putting into storage tank behind another jar micro-filtration as feed supplement liquid) behind micro-filtration post micro-filtration, peristaltic pump pressure 0.1Mpa/cm is stablized in the circulation of beginning upper prop
2, continuous feeding and moisturizing behind the circulation 5min keep out-feed liquid pol about 20, and successive reaction finishes after separating about 2-3h.The intermediates sampling is HPLC and is detected each component concentration.
The intermediates molecular weight cut-off is 10000 ultrafiltration post separation, control pressure 0.05Mpa, and circulation 30min finishes.Filtered solution is the malto-oligosaccharide byproduct that DP＜7 account for major portion, and phegma is a desired product.Product detects each component concentration with HPLC.
Embodiment two: prepare DP continuously
8-12Special dextrin.(molecular weight cut-off 22000 is adopted in flash liberation, and secondary separation employing molecular weight cut-off is 6000 ultrafiltration post) is made into starch slurry with 100 portions of tapioca (flour)s and 250 parts of water, regulates pH6.0-6.5 with 5% sodium carbonate solution, adds 5%CaCl
21-2ml/ part places 80-90 ℃ of thermostat water bath heating, stirs, before slurry temperature rises to starch pasting, during proper temperature, add the liquefaction of α-Dian Fenmei (enzyme activity 0.5-1.8 μ/g starch) gelatinization limit, limit immediately, continue to be warming up to 70 ± 2 ℃, constant temperature 5-10min, liquefaction finishes.Sampling 10ml surveys its DE value and is 3-5, and same quadrat method liquefies second part as feed supplement liquid.
One jar of liquefier is inserted 1# retort (putting into storage tank behind another jar micro-filtration as feed supplement liquid) behind micro-filtration post micro-filtration, begin circulation, stablize peristaltic pump pressure 0.1Mpa/cm
2, continuous feeding and moisturizing behind the circulation 5min keep out-feed liquid pol about 20, and successive reaction finishes after separating about 2-3h.The product sampling is HPLC and is detected each component concentration.
The intermediates molecular weight cut-off is 6000 ultrafiltration post separation, control pressure 0.05Mpa/cm
2, circulation 30min finishes.Filtered solution is the malto-oligosaccharide byproduct that DP＜7 account for major portion, and phegma is a desired product.Product detects each component concentration with HPLC.
Embodiment three: prepare DP continuously
8-12Special dextrin.(molecular weight cut-off 17000 is adopted in flash liberation, and secondary separation employing molecular weight cut-off is 6000 ultrafiltration post) is made into starch slurry with 100 portions of tapioca (flour)s and 250 parts of water, regulates pH6.0-6.5 with 5% sodium carbonate solution, adds 5%CaCl
21-2ml/ part places 80-90 ℃ of thermostat water bath heating, stirs, before slurry temperature rises to starch pasting, during proper temperature, add the liquefaction of α-Dian Fenmei (enzyme activity 0.5-1.8 μ/g starch) gelatinization limit, limit immediately, continue to be warming up to 70 ± 2 ℃, constant temperature 5-10min, liquefaction finishes.Sampling 10ml surveys its DE value and is 3-5, and same quadrat method liquefies second part as feed supplement liquid.
One jar of liquefier is inserted 1# retort (putting into storage tank behind another jar micro-filtration as feed supplement liquid) behind micro-filtration post micro-filtration, begin circulation, stablize peristaltic pump pressure 0.1Mpa/cm
2, continuous feeding and moisturizing behind the circulation 5min keep out-feed liquid pol about 20, and successive reaction finishes after separating about 2-3h.The product sampling is HPLC and is detected each component concentration.
The intermediates molecular weight cut-off is 6000 ultrafiltration post separation, control pressure 0.05Mpa/cm
2, circulation 30min finishes.Filtered solution is the malto-oligosaccharide byproduct that DP＜7 account for major portion, and phegma is a desired product.Product detects each component concentration with HPLC.
Claims (6)
1. the manufacture method of a dextrin, it is characterized in that: it adopts tubular fibre enzyme mebrane reactor system, its major equipment adopts molecular weight cut-off 17000-22000 and molecular weight cut-off 6000-10000, the fine ultra-fine filter of the polysulfones hollow of cytochrome C rejection 100%;
This method comprises the following steps:
(a) be after raw material tentatively liquefies, to remove impurity and retrogradation starch with starch with the micro-filtration post;
(b) continuous enzymolysis is separated in the polysulfone hollow fibre enzyme membrane reactive system of molecular weight cut-off 17000-22000, obtains the dextrin and the oligose of DP＜13;
(c) remove the polymerization degree less than 7 oligose with cellulosic ultrafiltration device secondary separation in the polysulfones of molecular weight cut-off 6000-10000, obtain DP
8-12Dextrin.
2 manufacture method according to a kind of dextrin of claim 1 is characterized in that:
Prepare the starch slurry of proper concn earlier, Na with 5%
2CO
3Regulate pH6.0-6.5, add a certain amount of 5% CaCl
2Solution, in 80-90 ℃ of water-bath, be heated to proper temperature, add α-Dian Fenmei and stir liquefaction, the control liquefying time, make liquefaction back liquefier DE value control 3-5, liquefy second jar as feed supplement liquid, with the micro-filtration post liquefier is carried out coarse filtration earlier and remove partial impurities and retrogradation starch with quadrat method, go up molecular weight cut-off 17000-22000 ultra-fine filter again, stablize peristaltic pump pressure 0.1Mpa/cm
2, feed supplement is carried out in discharging behind the circulation 5min simultaneously, keep out-feed liquid pol 20, out-feed liquid is as intermediates, carries out secondary separation with the ultra-fine filter of molecular weight cut-off 6000-10000, the isolated part of ultra-fine filter is that DP is main malto-oligosaccharide byproduct less than 7, the DP of the part that refluxes for needing
8-12Be main product, the DE value is between 12-15, and product is taken a sample with HPLC detected components content.
3. according to the manufacture method of a kind of dextrin of claim 1, it is characterized in that: adopt a molecular weight cut-off 17000-22000, another molecular weight cut-off 10000 or 6000 polysulfone hollow fibre ultra-fine filter, the dextrin of removing high DP with the ultra-fine filter of 17000-22000 is removed the oligose of low DP to prevent high water absorbability to guarantee suitable solubleness with the ultra-fine filter of 6000-10000.
4. according to the manufacture method of a kind of dextrin of claim 1, it is characterized in that: prepared DP
8-12Special dextrin has high solubleness and lower water absorbability.
5. according to the manufacture method of a kind of dextrin of claim 1, it is characterized in that: the starch material that is adopted is a tapioca (flour).
6. device that is used to realize the method for claims 1 to 5 is characterized in that this device comprises:
(a) retort (2), feed supplement jar (1) links to each other with retort (2), and water-bath (3) is laid retort (2);
(b) collector (7), peristaltic pump A (4) links to each other with threeway (5), and micro-filtration post (6) links to each other with intermediates collector (7);
(c) a ultra-fine filter I (13), this ultra-fine filter I (13) links to each other with product collector (8), and peristaltic pump B (9) links to each other with ultra-fine filter II (11);
(d) a byproduct collector (10), this byproduct collector (10) ultra-fine filter II (11) links to each other with byproduct collector (10),
Above-mentioned these members are the primary member of enzyme mebrane reactor continuous enzymolysis device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00133211A CN1125085C (en) | 2000-11-08 | 2000-11-08 | Process and equipment for preparing special dextrin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00133211A CN1125085C (en) | 2000-11-08 | 2000-11-08 | Process and equipment for preparing special dextrin |
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| Publication Number | Publication Date |
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| CN1294135A CN1294135A (en) | 2001-05-09 |
| CN1125085C true CN1125085C (en) | 2003-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00133211A Expired - Fee Related CN1125085C (en) | 2000-11-08 | 2000-11-08 | Process and equipment for preparing special dextrin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683131B (en) * | 2008-09-24 | 2012-01-04 | 郸城财鑫糖业有限责任公司 | Method for simultaneously preparing oligomeric maltose and maltodextrin using starch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI829693B (en) * | 2019-05-17 | 2024-01-21 | 日商昭和產業股份有限公司 | Modifier, composition for modification containing the modifier, target product, and method for modifying the target product |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4069103A (en) * | 1975-04-28 | 1978-01-17 | Mueller Hans | Process for recovering dextrose and dextrins from protein-containing starch products |
| CN1038038A (en) * | 1988-05-24 | 1989-12-20 | 煤炭科学院南京研究所 | A kind of method of processing arch thin-wall case without mould |
| EP0540421A1 (en) * | 1991-10-29 | 1993-05-05 | Matsutani Chemical Industries Co. Ltd. | Indigestible dextrin |
| US5405421A (en) * | 1993-09-22 | 1995-04-11 | Swisher, Jr.; George W. | Gas stream filtering system using filtered gas for reverse flow cleaning |
| CN1104860A (en) * | 1994-09-17 | 1995-07-12 | 华南理工大学 | Preparing method for difficult digestion dextrin |
| US5837060A (en) * | 1994-02-15 | 1998-11-17 | Roquette Freres | Process for the manufacture of a starch hydrolysate of low polymolecularity index, obtention and use of novel starch hydrolysate in peritoneal dialysis |
-
2000
- 2000-11-08 CN CN00133211A patent/CN1125085C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4069103A (en) * | 1975-04-28 | 1978-01-17 | Mueller Hans | Process for recovering dextrose and dextrins from protein-containing starch products |
| CN1038038A (en) * | 1988-05-24 | 1989-12-20 | 煤炭科学院南京研究所 | A kind of method of processing arch thin-wall case without mould |
| EP0540421A1 (en) * | 1991-10-29 | 1993-05-05 | Matsutani Chemical Industries Co. Ltd. | Indigestible dextrin |
| US5405421A (en) * | 1993-09-22 | 1995-04-11 | Swisher, Jr.; George W. | Gas stream filtering system using filtered gas for reverse flow cleaning |
| US5837060A (en) * | 1994-02-15 | 1998-11-17 | Roquette Freres | Process for the manufacture of a starch hydrolysate of low polymolecularity index, obtention and use of novel starch hydrolysate in peritoneal dialysis |
| CN1104860A (en) * | 1994-09-17 | 1995-07-12 | 华南理工大学 | Preparing method for difficult digestion dextrin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683131B (en) * | 2008-09-24 | 2012-01-04 | 郸城财鑫糖业有限责任公司 | Method for simultaneously preparing oligomeric maltose and maltodextrin using starch |
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| CN1294135A (en) | 2001-05-09 |
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