CN107495392A - The preparation method and corn dietary fiber of a kind of corn dietary fiber - Google Patents
The preparation method and corn dietary fiber of a kind of corn dietary fiber Download PDFInfo
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- CN107495392A CN107495392A CN201710664902.9A CN201710664902A CN107495392A CN 107495392 A CN107495392 A CN 107495392A CN 201710664902 A CN201710664902 A CN 201710664902A CN 107495392 A CN107495392 A CN 107495392A
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- 235000013325 dietary fiber Nutrition 0.000 title claims abstract description 213
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 93
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 93
- 235000005822 corn Nutrition 0.000 title claims abstract description 93
- 238000002360 preparation method Methods 0.000 title claims abstract description 48
- 241000209149 Zea Species 0.000 title 2
- 239000002994 raw material Substances 0.000 claims abstract description 128
- 240000008042 Zea mays Species 0.000 claims abstract description 91
- 239000011265 semifinished product Substances 0.000 claims abstract description 82
- 102000004190 Enzymes Human genes 0.000 claims abstract description 75
- 108090000790 Enzymes Proteins 0.000 claims abstract description 75
- 229940088598 enzyme Drugs 0.000 claims abstract description 75
- 239000012535 impurity Substances 0.000 claims abstract description 63
- 230000007062 hydrolysis Effects 0.000 claims abstract description 57
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000002203 pretreatment Methods 0.000 claims abstract description 30
- 238000004880 explosion Methods 0.000 claims abstract description 28
- 108010059892 Cellulase Proteins 0.000 claims abstract description 26
- 229940106157 cellulase Drugs 0.000 claims abstract description 26
- 229940059442 hemicellulase Drugs 0.000 claims abstract description 18
- 108010002430 hemicellulase Proteins 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 163
- 239000000463 material Substances 0.000 claims description 98
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 81
- 238000001035 drying Methods 0.000 claims description 81
- 238000001914 filtration Methods 0.000 claims description 81
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 54
- 239000012141 concentrate Substances 0.000 claims description 54
- 239000000706 filtrate Substances 0.000 claims description 54
- 238000003756 stirring Methods 0.000 claims description 54
- 239000007788 liquid Substances 0.000 claims description 43
- 108091005804 Peptidases Proteins 0.000 claims description 42
- 239000004365 Protease Substances 0.000 claims description 42
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 42
- 239000004382 Amylase Substances 0.000 claims description 40
- 108010065511 Amylases Proteins 0.000 claims description 40
- 102000013142 Amylases Human genes 0.000 claims description 40
- 235000019418 amylase Nutrition 0.000 claims description 40
- 102000004157 Hydrolases Human genes 0.000 claims description 34
- 108090000604 Hydrolases Proteins 0.000 claims description 34
- 238000009835 boiling Methods 0.000 claims description 27
- 238000005119 centrifugation Methods 0.000 claims description 27
- 239000012153 distilled water Substances 0.000 claims description 27
- 230000002779 inactivation Effects 0.000 claims description 27
- 238000002156 mixing Methods 0.000 claims description 27
- 239000002244 precipitate Substances 0.000 claims description 27
- 239000013049 sediment Substances 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 25
- 230000007071 enzymatic hydrolysis Effects 0.000 claims description 24
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 claims description 24
- 239000006227 byproduct Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001694 spray drying Methods 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims 1
- 235000005911 diet Nutrition 0.000 claims 1
- 230000000378 dietary effect Effects 0.000 claims 1
- 238000007701 flash-distillation Methods 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 235000019629 palatability Nutrition 0.000 abstract description 3
- 230000029087 digestion Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000012783 reinforcing fiber Substances 0.000 abstract description 2
- 238000012805 post-processing Methods 0.000 abstract 1
- 235000019419 proteases Nutrition 0.000 description 10
- 238000000605 extraction Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 206010010774 Constipation Diseases 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 206010018473 Glycosuria Diseases 0.000 description 1
- 208000008589 Obesity Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 201000006549 dyspepsia Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005183 environmental health Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 235000020824 obesity Nutrition 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
- A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
- A23L33/22—Comminuted fibrous parts of plants, e.g. bagasse or pulp
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
- A23L5/13—General methods of cooking foods, e.g. by roasting or frying using water or steam
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/30—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
- A23L5/32—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation using phonon wave energy, e.g. sound or ultrasonic waves
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Botany (AREA)
- Mycology (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention discloses a kind of preparation method of corn dietary fiber, including pre-treatment, semi-finished product are prepared, purified, post processing.Also disclose the corn dietary fiber that a kind of preparation method by the corn dietary fiber is prepared.The method of the present invention is in preceding processing by the way of thermophilic digestion processing is carried out to raw material, steam explosion is handled, supersound process is combined, raw material mix tissue can effectively be destroyed, its inclusion is set fully to expose, and combine removing impurities and handle, further reduce non-dietary fiber component in raw material, raw material after pre-treatment not only contributes to the hydrolysis result of the complex enzyme of reinforcing fiber element enzyme or cellulase and hemicellulase, make enzymolysis more fully so as to improve manufactured goods purity, and the palatability of manufactured goods can be effectively improved；Purified again after enzymolysis, further improve purity, manufactured goods have the advantages of purity is high；The corn dietary fiber of the present invention also has the advantages of fiber diameter is small, moisture holding capacity and swelliong power are strong.
Description
Technical field
The invention belongs to dietary fiber preparing technical field, and in particular to the preparation method and jade of a kind of corn dietary fiber
Rice dietary fiber.
Background technology
Dietary fiber is a kind of important non-nutritive element, and it is a kind of SNSP and oligosaccharides in carbohydrate etc.
Indigestion part, it can neither be digested and assimilated by human gastrointestinal tract, can not produce energy.But in recent years, more and more
Research shows that the intake of dietary fiber is closely related with health, and constipation, obesity, glycosuria can be reduced by taking in enough dietary fibers
The danger that disease, angiocardiopathy and intestinal tract occur.For example, dietary fiber largely can absorb moisture in enteron aisle, make excrement
Soft condition is kept, effectively activates the beneficial bacteria in enteron aisle, promotes beneficial bacteria amount reproduction, creates enteron aisle environmental health, especially
Apply to improve prolonged constipation；Meanwhile the dietary fiber content improved in meals can reduce the heat energy of intake, in enteron aisle
Digesting and assimilating for interior nutrition also declines, and can also extend food residence time in the intestine, reduce the infiltration rate of glucose, not only
The effect of with fat-reducing, and diabetic symptom can be improved.
Dietary fiber can be divided into soluble dietary fiber and non-soluble dietary fiber according to whether being dissolved in water.Many plants
Most dietary fibers are non-soluble dietary fiber in raw material and its byproduct.For example, iblet is in process
Byproduct corn bran, typically as feed, but due to wherein containing higher fibre composition, therefore used also as system
Standby dietary fiber.It is to be modified non-soluble dietary fiber to change into prepare most of soluble dietary fiber in the food industry
Soluble dietary fiber.Traditional processing method such as enzymatic isolation method, chemical method, the corn solubility meals of the method production of this quasi-tradition
There is the problems such as purity is low, yield poorly, poor taste in food fiber, some even can also cause product moisture holding capacity to reduce, shadow mostly
Ring dietary fiber effect.Therefore, a kind of preparation method for the corn dietary fiber that can solve the problem that above mentioned problem of research and development is very must
Want.
The content of the invention
The first object of the present invention is to provide a kind of preparation method of corn dietary fiber.
The second object of the present invention is to provide what a kind of preparation method by described corn dietary fiber was prepared
Corn dietary fiber.
The first object of the present invention is achieved in that including specifically including following steps：
A, pre-treatment：The remaining corn byproducts of corn processing are added into distilled water in 110~120 DEG C of boilings after drying, crushing
Through concentrating, dry, crush after 30~40min, then raw material is adjusted feed moisture content using slowly sprinkling plus water while stirring
To 100~150%, then stop stirring and taking out raw material, seal 5~30min, then raw material is fitted into steam explosion device, 1~
4min rises to 0.8~1.0Mpa, moment release after 50~80s of pressurize, and it is 2.5~3 to take out raw material and add mass percent concentration
NaOH solution, under 160~200W power extracting 25~30min obtains extract solution, then by extract solution with 5500~6000r/min
Filtered after 3~4min of centrifugation, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1~6, add removing impurities enzyme
The mass ratio of 1~3.5h of enzymolysis, filter residue and removing impurities enzyme is 1:0.025~0.035, hydrolysis temperature is 25~55 DEG C, pH value 5.0
~8.0, it is dietary fibre materials that filter residue is taken after filtering；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3
~5, add 1~4h of enzymatic hydrolysis, the mass ratio of dietary fibre materials and hydrolase is 1:0.02~0.03, hydrolysis temperature
For 30~50 DEG C, pH value is 4.0~6.0, and it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2~5, after mixing stand 1.5~2h, then with
4000~4500r/min centrifuges taking precipitate after 8~15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
The second object of the present invention is achieved in that what is be prepared by the preparation method of described corn dietary fiber
Corn dietary fiber；This corn dietary fiber has that purity is high, palatability is excellent, fiber diameter is small, moisture holding capacity and swelliong power
The advantages of strong.
Beneficial effects of the present invention：The method of the present invention uses in preceding processing and carries out thermophilic digestion processing, vapour to raw material
Quick-fried processing, the mode being combined is ultrasonically treated, can effectively destroy raw material mix tissue, its inclusion is fully exposed, and tie
Removing impurities processing is closed, further reduces non-dietary fiber component in raw material, the raw material after pre-treatment not only contributes to reinforcing fiber
The hydrolysis result of the complex enzyme of plain enzyme or cellulase and hemicellulase, make enzymolysis more fully so as to improve manufactured goods solubility
The purity of dietary fiber, and the palatability of manufactured goods can be effectively improved；Purified, further improved pure again after enzymolysis
Degree, manufactured goods soluble dietary fiber have the advantages of purity is high, the preparation of the high-quality that is particularly suitable for use in soluble dietary fiber；
It is excellent that the method manufactured goods soluble dietary fiber of the present invention also has that fiber diameter is small, moisture holding capacity and swelliong power are strong
Point；The method of the present invention is by the use of corn byproducts as raw material, the problem of can reducing the wasting of resources and environmental pollution.
Embodiment
With reference to embodiment, the present invention is further illustrated, but the present invention is not any limitation as in any way,
Based on present invention teach that any conversion or replacement made, belong to protection scope of the present invention.
The preparation method of corn dietary fiber of the present invention, specifically includes following steps：
A, pre-treatment：The remaining corn byproducts of corn processing are added into distilled water in 110~120 DEG C of boilings after drying, crushing
Through concentrating, dry, crush after 30~40min, then raw material is adjusted feed moisture content using slowly sprinkling plus water while stirring
To 100~150%, then stop stirring and taking out raw material, seal 5~30min, then raw material is fitted into steam explosion device, 1~
4min rises to 0.8~1.0Mpa, moment release after 50~80s of pressurize, and it is 2.5~3 to take out raw material and add mass percent concentration
NaOH solution, under 160~200W power extracting 25~30min obtains extract solution, then by extract solution with 5500~6000r/min
Filtered after 3~4min of centrifugation, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1~6, add removing impurities enzyme
The mass ratio of 1~3.5h of enzymolysis, filter residue and removing impurities enzyme is 1:0.025~0.035, hydrolysis temperature is 25~55 DEG C, pH value 5.0
~8.0, it is dietary fibre materials that filter residue is taken after filtering；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3
~5, add 1~4h of enzymatic hydrolysis, the mass ratio of dietary fibre materials and hydrolase is 1:0.02~0.03, hydrolysis temperature
For 30~50 DEG C, pH value is 4.0~6.0, and it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2~5, after mixing stand 1.5~2h, then with
4000~4500r/min centrifuges taking precipitate after 8~15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
The removing impurities enzyme stated is amylase and/or protease.
Hydrolysis temperature is 50~55 DEG C in described step A, and pH value is 6~6.5.
Described hydrolase is cellulase or the complex enzyme of cellulase and hemicellulase.
Described drying is the one or more in expansion drying, vacuum drying, spray drying.
Described corn byproducts are corn bran.
Described removing impurities enzyme is amylase and protease, and the mass ratio of amylase and protease is 7~9:1~3.
Described hydrolase is the quality of the complex enzyme of cellulase and hemicellulase, cellulase and hemicellulase
Than for 1~3:7~9.
Sealing is sealing 20min in described step A.
Described crushing is ultramicro grinding.
The corn dietary fiber that the preparation method of described corn dietary fiber is prepared.
Embodiment 1
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 110 DEG C of boiling 30min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 100%, then stops stirring and takes
Go out raw material, seal 5min, then raw material is fitted into steam explosion device, rise to 0.8Mpa in 1min, moment release after pressurize 50s, take
Go out raw material and add the NaOH solution that mass percent concentration is 2.5,25min is extracted under 160W power and obtains extract solution, then will be carried
Take liquid to be filtered after centrifuging 3min with 5500r/min, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1, then
The mass ratio of addition removing impurities enzyme enzymolysis 1h, filter residue and removing impurities enzyme is 1:0.025, hydrolysis temperature is 25 DEG C, pH value 5.0, filtering
After take the filter residue to be dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3,
Add enzymatic hydrolysis 1h, the mass ratio of dietary fibre materials and hydrolase is 1:0.02, hydrolysis temperature is 30 DEG C, and pH value is
4.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2,1.5h is stood after mixing, then with 4000r/
Taking precipitate after min centrifugations 8min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 2
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 120 DEG C of boiling 40min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 150%, then stops stirring and takes
Go out raw material, seal 30min, then raw material is fitted into steam explosion device, rise to 1.0Mpa in 4min, moment release after pressurize 80s, take
Go out raw material and add the NaOH solution that mass percent concentration is 3,30min is extracted under 200W power and obtains extract solution, then will extraction
Liquid is filtered after centrifuging 4min with 6000r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:6, then add
Enter removing impurities enzyme enzymolysis 3.5h, the mass ratio of filter residue and removing impurities enzyme is 1:0.035, hydrolysis temperature is 55 DEG C, pH value 8.0, filtering
After take the filter residue to be dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:5,
Add enzymatic hydrolysis 4h, the mass ratio of dietary fibre materials and hydrolase is 1:0.03, hydrolysis temperature is 50 DEG C, and pH value is
6.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:5,2h is stood after mixing, then with 4500r/min
Taking precipitate after centrifugation 15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 3
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 115 DEG C of boiling 35min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 125%, then stops stirring and takes
Go out raw material, seal 17min, then raw material is fitted into steam explosion device, 0.9Mpa is risen in 2.5min, moment release after pressurize 65s,
Take out raw material and add the NaOH solution that mass percent concentration is 2.8,27min is extracted under 180W power and obtains extract solution, then will
Extract solution is filtered after centrifuging 3.5min with 5750r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:
3.5, removing impurities enzyme enzymolysis 2.3h is added, the mass ratio of filter residue and removing impurities enzyme is 1:0.030, hydrolysis temperature is 40 DEG C, and pH value is
6.5, it is dietary fibre materials that filter residue is taken after filtering；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:4,
Add enzymatic hydrolysis 2.5h, the mass ratio of dietary fibre materials and hydrolase is 1:0.025, hydrolysis temperature is 40 DEG C, pH
It is worth for 5.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:3.5,1.7h is stood after mixing, then with
Taking precipitate after 4250r/min centrifugations 12min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 4
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 110 DEG C of boiling 30min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 100%, then stops stirring and takes
Go out raw material, seal 5min, then raw material is fitted into steam explosion device, rise to 0.8Mpa in 1min, moment release after pressurize 50s, take
Go out raw material and add the NaOH solution that mass percent concentration is 2.5,25min is extracted under 160W power and obtains extract solution, then will be carried
Take liquid to be filtered after centrifuging 3min with 5500r/min, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1, then
The mass ratio of addition amylase enzymolysis 1h, filter residue and amylase is 1:0.025, hydrolysis temperature is 25 DEG C, pH value 5.0, filtering
After take the filter residue to be dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3,
Add enzymatic hydrolysis 1h, the mass ratio of dietary fibre materials and hydrolase is 1:0.02, hydrolysis temperature is 30 DEG C, and pH value is
4.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2,1.5h is stood after mixing, then with 4000r/
Taking precipitate after min centrifugations 8min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 5
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 120 DEG C of boiling 40min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 150%, then stops stirring and takes
Go out raw material, seal 30min, then raw material is fitted into steam explosion device, rise to 1.0Mpa in 4min, moment release after pressurize 80s, take
Go out raw material and add the NaOH solution that mass percent concentration is 3,30min is extracted under 200W power and obtains extract solution, then will extraction
Liquid is filtered after centrifuging 4min with 6000r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:6, then add
Enter amylase enzymolysis 3.5h, the mass ratio of filter residue and amylase is 1:0.035, hydrolysis temperature is 55 DEG C, pH value 8.0, filtering
After take the filter residue to be dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:5,
Add enzymatic hydrolysis 4h, the mass ratio of dietary fibre materials and hydrolase is 1:0.03, hydrolysis temperature is 50 DEG C, and pH value is
6.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:5,2h is stood after mixing, then with 4500r/min
Taking precipitate after centrifugation 15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 6
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 115 DEG C of boiling 35min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 125%, then stops stirring and takes
Go out raw material, seal 17min, then raw material is fitted into steam explosion device, 0.9Mpa is risen in 2.5min, moment release after pressurize 65s,
Take out raw material and add the NaOH solution that mass percent concentration is 2.8,27min is extracted under 180W power and obtains extract solution, then will
Extract solution is filtered after centrifuging 3.5min with 5750r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:
3.5, add amylase enzymolysis 2.3h, the mass ratio of filter residue and amylase is 1:0.030, hydrolysis temperature is 40 DEG C, and pH value is
6.5, it is dietary fibre materials that filter residue is taken after filtering；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:4,
Add enzymatic hydrolysis 2.5h, the mass ratio of dietary fibre materials and hydrolase is 1:0.025, hydrolysis temperature is 40 DEG C, pH
It is worth for 5.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:3.5,1.7h is stood after mixing, then with
Taking precipitate after 4250r/min centrifugations 12min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 7
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 110 DEG C of boiling 30min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 100%, then stops stirring and takes
Go out raw material, seal 5min, then raw material is fitted into steam explosion device, rise to 0.8Mpa in 1min, moment release after pressurize 50s, take
Go out raw material and add the NaOH solution that mass percent concentration is 2.5,25min is extracted under 160W power and obtains extract solution, then will be carried
Take liquid to be filtered after centrifuging 3min with 5500r/min, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1, then
The mass ratio of addition protease hydrolyzed 1h, filter residue and protease is 1:0.025, hydrolysis temperature is 25 DEG C, pH value 5.0, filtering
After take the filter residue to be dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3,
Add enzymatic hydrolysis 1h, the mass ratio of dietary fibre materials and hydrolase is 1:0.02, hydrolysis temperature is 30 DEG C, and pH value is
4.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2,1.5h is stood after mixing, then with 4000r/
Taking precipitate after min centrifugations 8min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 8
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 120 DEG C of boiling 40min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 150%, then stops stirring and takes
Go out raw material, seal 30min, then raw material is fitted into steam explosion device, rise to 1.0Mpa in 4min, moment release after pressurize 80s, take
Go out raw material and add the NaOH solution that mass percent concentration is 3,30min is extracted under 200W power and obtains extract solution, then will extraction
Liquid is filtered after centrifuging 4min with 6000r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:6, then add
Enter protease hydrolyzed 3.5h, the mass ratio of filter residue and protease is 1:0.035, hydrolysis temperature is 55 DEG C, pH value 8.0, filtering
After take the filter residue to be dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:5,
Add enzymatic hydrolysis 4h, the mass ratio of dietary fibre materials and hydrolase is 1:0.03, hydrolysis temperature is 50 DEG C, and pH value is
6.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:5,2h is stood after mixing, then with 4500r/min
Taking precipitate after centrifugation 15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 9
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 115 DEG C of boiling 35min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 125%, then stops stirring and takes
Go out raw material, seal 17min, then raw material is fitted into steam explosion device, 0.9Mpa is risen in 2.5min, moment release after pressurize 65s,
Take out raw material and add the NaOH solution that mass percent concentration is 2.8,27min is extracted under 180W power and obtains extract solution, then will
Extract solution is filtered after centrifuging 3.5min with 5750r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:
3.5, add protease hydrolyzed 2.3h, the mass ratio of filter residue and protease is 1:0.030, hydrolysis temperature is 40 DEG C, and pH value is
6.5, it is dietary fibre materials that filter residue is taken after filtering；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:4,
Add enzymatic hydrolysis 2.5h, the mass ratio of dietary fibre materials and hydrolase is 1:0.025, hydrolysis temperature is 40 DEG C, pH
It is worth for 5.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:3.5,1.7h is stood after mixing, then with
Taking precipitate after 4250r/min centrifugations 12min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 10
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 110 DEG C of boiling 30min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 100%, then stops stirring and takes
Go out raw material, seal 5min, then raw material is fitted into steam explosion device, rise to 0.8Mpa in 1min, moment release after pressurize 50s, take
Go out raw material and add the NaOH solution that mass percent concentration is 2.5,25min is extracted under 160W power and obtains extract solution, then will be carried
Take liquid to be filtered after centrifuging 3min with 5500r/min, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1, then
Add removing impurities enzyme enzymolysis 1h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 7:3,
The mass ratio of filter residue and removing impurities enzyme is 1:0.025, hydrolysis temperature is 25 DEG C, and pH value 5.0, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3,
Add enzymatic hydrolysis 1h, the mass ratio of dietary fibre materials and hydrolase is 1:0.02, hydrolysis temperature is 30 DEG C, and pH value is
4.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2,1.5h is stood after mixing, then with 4000r/
Taking precipitate after min centrifugations 8min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 11
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 120 DEG C of boiling 40min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 150%, then stops stirring and takes
Go out raw material, seal 30min, then raw material is fitted into steam explosion device, rise to 1.0Mpa in 4min, moment release after pressurize 80s, take
Go out raw material and add the NaOH solution that mass percent concentration is 3,30min is extracted under 200W power and obtains extract solution, then will extraction
Liquid is filtered after centrifuging 4min with 6000r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:6, then add
Enter removing impurities enzyme enzymolysis 3.5h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 9:1,
The mass ratio of filter residue and removing impurities enzyme is 1:0.035, hydrolysis temperature is 55 DEG C, and pH value 8.0, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:5,
Add enzymatic hydrolysis 4h, the mass ratio of dietary fibre materials and hydrolase is 1:0.03, hydrolysis temperature is 50 DEG C, and pH value is
6.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:5,2h is stood after mixing, then with 4500r/min
Taking precipitate after centrifugation 15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 12
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 115 DEG C of boiling 35min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 125%, then stops stirring and takes
Go out raw material, seal 17min, then raw material is fitted into steam explosion device, 0.9Mpa is risen in 2.5min, moment release after pressurize 65s,
Take out raw material and add the NaOH solution that mass percent concentration is 2.8,27min is extracted under 180W power and obtains extract solution, then will
Extract solution is filtered after centrifuging 3.5min with 5750r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:
3.5, removing impurities enzyme enzymolysis 2.3h is added, described removing impurities enzyme includes the quality of amylase and protease, amylase and protease
Than for 8:2, the mass ratio of filter residue and removing impurities enzyme is 1:0.030, hydrolysis temperature is 40 DEG C, and pH value 6.5 takes the filter residue to be after filtering
Dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:4,
Add enzymatic hydrolysis 2.5h, the mass ratio of dietary fibre materials and hydrolase is 1:0.025, hydrolysis temperature is 40 DEG C, pH
It is worth for 5.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:3.5,1.7h is stood after mixing, then with
Taking precipitate after 4250r/min centrifugations 12min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 13
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 110 DEG C of boiling 30min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 100%, then stops stirring and takes
Go out raw material, seal 5min, then raw material is fitted into steam explosion device, rise to 0.8Mpa in 1min, moment release after pressurize 50s, take
Go out raw material and add the NaOH solution that mass percent concentration is 2.5,25min is extracted under 160W power and obtains extract solution, then will be carried
Take liquid to be filtered after centrifuging 3min with 5500r/min, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1, then
Add removing impurities enzyme enzymolysis 1h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 7:3,
The mass ratio of filter residue and removing impurities enzyme is 1:0.025, hydrolysis temperature is 50 DEG C, and pH value 6.0, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3,
Add enzymatic hydrolysis 1h, the mass ratio of dietary fibre materials and hydrolase is 1:0.02, hydrolysis temperature is 30 DEG C, and pH value is
4.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2,1.5h is stood after mixing, then with 4000r/
Taking precipitate after min centrifugations 8min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 14
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 120 DEG C of boiling 40min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 150%, then stops stirring and takes
Go out raw material, seal 30min, then raw material is fitted into steam explosion device, rise to 1.0Mpa in 4min, moment release after pressurize 80s, take
Go out raw material and add the NaOH solution that mass percent concentration is 3,30min is extracted under 200W power and obtains extract solution, then will extraction
Liquid is filtered after centrifuging 4min with 6000r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:6, then add
Enter removing impurities enzyme enzymolysis 3.5h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 9:1,
The mass ratio of filter residue and removing impurities enzyme is 1:0.035, hydrolysis temperature is 55 DEG C, and pH value 6.5, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:5,
Add enzymatic hydrolysis 4h, the mass ratio of dietary fibre materials and hydrolase is 1:0.03, hydrolysis temperature is 50 DEG C, and pH value is
6.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:5,2h is stood after mixing, then with 4500r/min
Taking precipitate after centrifugation 15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 15
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 115 DEG C of boiling 35min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 125%, then stops stirring and takes
Go out raw material, seal 17min, then raw material is fitted into steam explosion device, 0.9Mpa is risen in 2.5min, moment release after pressurize 65s,
Take out raw material and add the NaOH solution that mass percent concentration is 2.8,27min is extracted under 180W power and obtains extract solution, then will
Extract solution is filtered after centrifuging 3.5min with 5750r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:
3.5, removing impurities enzyme enzymolysis 2.3h is added, described removing impurities enzyme includes the quality of amylase and protease, amylase and protease
Than for 8:2, the mass ratio of filter residue and removing impurities enzyme is 1:0.030, hydrolysis temperature is 53 DEG C, and pH value 6.5 takes the filter residue to be after filtering
Dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:4,
Add enzymatic hydrolysis 2.5h, the mass ratio of dietary fibre materials and hydrolase is 1:0.025, hydrolysis temperature is 40 DEG C, pH
It is worth for 5.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:3.5,1.7h is stood after mixing, then with
Taking precipitate after 4250r/min centrifugations 12min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 16
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 110 DEG C of boiling 30min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 100%, then stops stirring and takes
Go out raw material, seal 5min, then raw material is fitted into steam explosion device, rise to 0.8Mpa in 1min, moment release after pressurize 50s, take
Go out raw material and add the NaOH solution that mass percent concentration is 2.5,25min is extracted under 160W power and obtains extract solution, then will be carried
Take liquid to be filtered after centrifuging 3min with 5500r/min, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1, then
Add removing impurities enzyme enzymolysis 1h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 7:3,
The mass ratio of filter residue and removing impurities enzyme is 1:0.025, hydrolysis temperature is 50 DEG C, and pH value 6.0, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3,
Add cellulase degradation 1h, the mass ratio of dietary fibre materials and cellulase is 1:0.02, hydrolysis temperature is 30 DEG C, pH
It is worth for 4.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2,1.5h is stood after mixing, then with 4000r/
Taking precipitate after min centrifugations 8min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 17
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 120 DEG C of boiling 40min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 150%, then stops stirring and takes
Go out raw material, seal 30min, then raw material is fitted into steam explosion device, rise to 1.0Mpa in 4min, moment release after pressurize 80s, take
Go out raw material and add the NaOH solution that mass percent concentration is 3,30min is extracted under 200W power and obtains extract solution, then will extraction
Liquid is filtered after centrifuging 4min with 6000r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:6, then add
Enter removing impurities enzyme enzymolysis 3.5h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 9:1,
The mass ratio of filter residue and removing impurities enzyme is 1:0.035, hydrolysis temperature is 55 DEG C, and pH value 6.5, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:5,
Add cellulase degradation 4h, the mass ratio of dietary fibre materials and cellulase is 1:0.03, hydrolysis temperature is 50 DEG C, pH
It is worth for 6.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:5,2h is stood after mixing, then with 4500r/min
Taking precipitate after centrifugation 15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 18
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 115 DEG C of boiling 35min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 125%, then stops stirring and takes
Go out raw material, seal 17min, then raw material is fitted into steam explosion device, 0.9Mpa is risen in 2.5min, moment release after pressurize 65s,
Take out raw material and add the NaOH solution that mass percent concentration is 2.8,27min is extracted under 180W power and obtains extract solution, then will
Extract solution is filtered after centrifuging 3.5min with 5750r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:
3.5, removing impurities enzyme enzymolysis 2.3h is added, described removing impurities enzyme includes the quality of amylase and protease, amylase and protease
Than for 8:2, the mass ratio of filter residue and removing impurities enzyme is 1:0.030, hydrolysis temperature is 53 DEG C, and pH value 6.5 takes the filter residue to be after filtering
Dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:4,
Add cellulase degradation 2.5h, the mass ratio of dietary fibre materials and cellulase is 1:0.025, hydrolysis temperature 40
DEG C, pH value 5.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:3.5,1.7h is stood after mixing, then with
Taking precipitate after 4250r/min centrifugations 12min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 19
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 110 DEG C of boiling 30min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 100%, then stops stirring and takes
Go out raw material, seal 5min, then raw material is fitted into steam explosion device, rise to 0.8Mpa in 1min, moment release after pressurize 50s, take
Go out raw material and add the NaOH solution that mass percent concentration is 2.5,25min is extracted under 160W power and obtains extract solution, then will be carried
Take liquid to be filtered after centrifuging 3min with 5500r/min, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1, then
Add removing impurities enzyme enzymolysis 1h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 7:3,
The mass ratio of filter residue and removing impurities enzyme is 1:0.025, hydrolysis temperature is 50 DEG C, and pH value 6.0, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3,
Enzymatic hydrolysis 1h is added, described hydrolase includes cellulase and hemicellulase, cellulase and hemicellulase
Mass ratio be 1:9, the mass ratio of dietary fibre materials and hydrolase is 1:0.02, hydrolysis temperature is 30 DEG C, pH value 4.0,
It is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2,1.5h is stood after mixing, then with 4000r/
Taking precipitate after min centrifugations 8min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 20
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 120 DEG C of boiling 40min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 150%, then stops stirring and takes
Go out raw material, seal 30min, then raw material is fitted into steam explosion device, rise to 1.0Mpa in 4min, moment release after pressurize 80s, take
Go out raw material and add the NaOH solution that mass percent concentration is 3,30min is extracted under 200W power and obtains extract solution, then will extraction
Liquid is filtered after centrifuging 4min with 6000r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:6, then add
Enter removing impurities enzyme enzymolysis 3.5h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 9:1,
The mass ratio of filter residue and removing impurities enzyme is 1:0.035, hydrolysis temperature is 55 DEG C, and pH value 6.5, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:5,
Enzymatic hydrolysis 4h is added, described hydrolase includes cellulase and hemicellulase, cellulase and hemicellulase
Mass ratio be 3:7, the mass ratio of dietary fibre materials and hydrolase is 1:0.03, hydrolysis temperature is 50 DEG C, pH value 6.0,
It is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:5,2h is stood after mixing, then with 4500r/min
Taking precipitate after centrifugation 15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 21
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 115 DEG C of boiling 35min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 125%, then stops stirring and takes
Go out raw material, seal 17min, then raw material is fitted into steam explosion device, 0.9Mpa is risen in 2.5min, moment release after pressurize 65s,
Take out raw material and add the NaOH solution that mass percent concentration is 2.8,27min is extracted under 180W power and obtains extract solution, then will
Extract solution is filtered after centrifuging 3.5min with 5750r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:
3.5, removing impurities enzyme enzymolysis 2.3h is added, described removing impurities enzyme includes the quality of amylase and protease, amylase and protease
Than for 8:2, the mass ratio of filter residue and removing impurities enzyme is 1:0.030, hydrolysis temperature is 53 DEG C, and pH value 6.5 takes the filter residue to be after filtering
Dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:4,
Enzymatic hydrolysis 2.5h is added, described hydrolase includes cellulase and hemicellulase, cellulase and hemicellulose
The mass ratio of enzyme is 2:8, the mass ratio of dietary fibre materials and hydrolase is 1:0.025, hydrolysis temperature is 40 DEG C, and pH value is
5.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:3.5,1.7h is stood after mixing, then with
Taking precipitate after 4250r/min centrifugations 12min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 22
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 110 DEG C of boiling 30min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 100%, then stops stirring and takes
Go out raw material, seal 20min, then raw material is fitted into steam explosion device, rise to 0.8Mpa in 1min, moment release after pressurize 50s, take
Go out raw material and add the NaOH solution that mass percent concentration is 2.5,25min is extracted under 160W power and obtains extract solution, then will be carried
Take liquid to be filtered after centrifuging 3min with 5500r/min, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1, then
Add removing impurities enzyme enzymolysis 1h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 7:3,
The mass ratio of filter residue and removing impurities enzyme is 1:0.025, hydrolysis temperature is 50 DEG C, and pH value 6.0, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3,
Enzymatic hydrolysis 1h is added, described hydrolase includes cellulase and hemicellulase, cellulase and hemicellulase
Mass ratio be 1:9, the mass ratio of dietary fibre materials and hydrolase is 1:0.02, hydrolysis temperature is 30 DEG C, pH value 4.0,
It is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2,1.5h is stood after mixing, then with 4000r/
Taking precipitate after min centrifugations 8min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 23
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 120 DEG C of boiling 40min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 150%, then stops stirring and takes
Go out raw material, seal 20min, then raw material is fitted into steam explosion device, rise to 1.0Mpa in 4min, moment release after pressurize 80s, take
Go out raw material and add the NaOH solution that mass percent concentration is 3,30min is extracted under 200W power and obtains extract solution, then will extraction
Liquid is filtered after centrifuging 4min with 6000r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:6, then add
Enter removing impurities enzyme enzymolysis 3.5h, described removing impurities enzyme includes amylase and protease, and the mass ratio of amylase and protease is 9:1,
The mass ratio of filter residue and removing impurities enzyme is 1:0.035, hydrolysis temperature is 55 DEG C, and pH value 6.5, it is dietary fiber that filter residue is taken after filtering
Raw material；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:5,
Enzymatic hydrolysis 4h is added, described hydrolase includes cellulase and hemicellulase, cellulase and hemicellulase
Mass ratio be 3:7, the mass ratio of dietary fibre materials and hydrolase is 1:0.03, hydrolysis temperature is 50 DEG C, pH value 6.0,
It is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:5,2h is stood after mixing, then with 4500r/min
Taking precipitate after centrifugation 15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 24
The preparation method of corn dietary fiber, comprises the following steps：
A, pre-treatment：Add distilled water after 115 DEG C of boiling 35min through concentrating, drying, powder after drying, crushing corn bran
It is broken, then to raw material using slowly sprinkling adds water while stirring, feed moisture content is adjusted to 125%, then stops stirring and takes
Go out raw material, seal 20min, then raw material is fitted into steam explosion device, 0.9Mpa is risen in 2.5min, moment release after pressurize 65s,
Take out raw material and add the NaOH solution that mass percent concentration is 2.8,27min is extracted under 180W power and obtains extract solution, then will
Extract solution is filtered after centrifuging 3.5min with 5750r/min, takes filter residue, and the mass ratio 1 of water, filter residue and water is then added in filter residue:
3.5, removing impurities enzyme enzymolysis 2.3h is added, described removing impurities enzyme includes the quality of amylase and protease, amylase and protease
Than for 8:2, the mass ratio of filter residue and removing impurities enzyme is 1:0.030, hydrolysis temperature is 53 DEG C, and pH value 6.5 takes the filter residue to be after filtering
Dietary fibre materials；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:4,
Enzymatic hydrolysis 2.5h is added, described hydrolase includes cellulase and hemicellulase, cellulase and hemicellulose
The mass ratio of enzyme is 2:8, the mass ratio of dietary fibre materials and hydrolase is 1:0.025, hydrolysis temperature is 40 DEG C, and pH value is
5.0, it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:3.5,1.7h is stood after mixing, then with
Taking precipitate after 4250r/min centrifugations 12min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
Embodiment 25
The corn dietary fiber being prepared by the preparation method of embodiment 3.
Embodiment 26
The corn dietary fiber being prepared by the preparation method of embodiment 24.
Claims (10)
1. a kind of preparation method of corn dietary fiber, it is characterised in that specifically include following steps：
A, pre-treatment：The remaining corn byproducts of corn processing are added into distilled water in 110~120 DEG C of boilings after drying, crushing
Through concentrating, dry, crush after 30~40min, then raw material is adjusted feed moisture content using slowly sprinkling plus water while stirring
To 100~150%, then stop stirring and taking out raw material, seal 5~30min, then raw material is fitted into steam explosion device, 1~
4min rises to 0.8~1.0Mpa, moment release after 50~80s of pressurize, and it is 2.5~3 to take out raw material and add mass percent concentration
NaOH solution, under 160~200W power extracting 25~30min obtains extract solution, then by extract solution with 5500~6000r/min
Filtered after 3~4min of centrifugation, take filter residue, the mass ratio 1 of water, filter residue and water is then added in filter residue:1~6, add removing impurities enzyme
The mass ratio of 1~3.5h of enzymolysis, filter residue and removing impurities enzyme is 1:0.025~0.035, hydrolysis temperature is 25~55 DEG C, pH value 5.0
~8.0, it is dietary fibre materials that filter residue is taken after filtering；
B, prepared by semi-finished product：The obtained dietary fibre materials of step A are added into water, the mass ratio of dietary fibre materials and water is 1:3
~5, add 1~4h of enzymatic hydrolysis, the mass ratio of dietary fibre materials and hydrolase is 1:0.02~0.03, hydrolysis temperature
For 30~50 DEG C, pH value is 4.0~6.0, and it is semi-finished product that filtrate is taken after filtering；
C, purify：To the semi-finished product heat inactivation in step B, filtrate is taken after filtering, concentrating filter liquor obtains concentrate, then dense
Add absolute ethyl alcohol in contracting liquid, the mass ratio of concentrate and absolute ethyl alcohol is 1:2~5, after mixing stand 1.5~2h, then with
4000~4500r/min centrifuges taking precipitate after 8~15min；
D, post-process：By obtained sediment in step C through homogeneous, be drying to obtain manufactured goods soluble dietary fiber.
2. the preparation method of corn dietary fiber according to claim 1, it is characterised in that described removing impurities enzyme is starch
Enzyme and/or protease.
3. the preparation method of corn dietary fiber according to claim 1, it is characterised in that the enzymolysis temperature described in step A
Spend for 50~55 DEG C, pH value is 6~6.5.
4. the preparation method of corn dietary fiber according to claim 1, it is characterised in that described hydrolase is fiber
The complex enzyme of plain enzyme or cellulase and hemicellulase.
5. the preparation method of corn dietary fiber according to claim 1, it is characterised in that described drying is dry for flash distillation
One or more in dry, vacuum drying, spray drying.
6. the preparation method of corn dietary fiber according to claim 1, it is characterised in that described corn byproducts are
Corn bran.
7. the preparation method of corn dietary fiber according to claim 1 or 2, it is characterised in that described removing impurities enzyme is shallow lake
The mass ratio of powder enzyme and protease, amylase and protease is 7~9:1~3.
8. the preparation method of the corn dietary fiber according to claim 1 or 4, it is characterised in that described hydrolase is fibre
Tie up the complex enzyme of plain enzyme and hemicellulase, the mass ratio of cellulase and hemicellulase is 1~3:7~9.
9. the preparation method of corn dietary fiber according to claim 1, it is characterised in that the sealing described in step A is
Seal 20min.
10. the corn dietary that a kind of preparation method of corn dietary fiber as described in claim 1~9 is any is prepared is fine
Dimension.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110574934A (en) * | 2019-10-16 | 2019-12-17 | 广西马中粮油有限公司 | Method for producing dietary fiber by using rice hull as raw material |
| CN110652014A (en) * | 2019-10-16 | 2020-01-07 | 梁乐 | Method for preparing dietary fiber from zedoary turmeric leaves |
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