CN101411501A - Preparation technique for producing dietary fiber of high activity using acidified maize peel - Google Patents
Preparation technique for producing dietary fiber of high activity using acidified maize peel Download PDFInfo
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- CN101411501A CN101411501A CNA2008100515341A CN200810051534A CN101411501A CN 101411501 A CN101411501 A CN 101411501A CN A2008100515341 A CNA2008100515341 A CN A2008100515341A CN 200810051534 A CN200810051534 A CN 200810051534A CN 101411501 A CN101411501 A CN 101411501A
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- dietary fiber
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Abstract
The invention discloses a process for preparing high-activity total dietary fiber by acidified maize peel, which uses process route of eliminating starch, protein and fat in the acidified maize peel by a mixed enzyme preparation to obtain the high-activity total dietary fiber, and integrally completes extraction and activation of the maize dietary fiber. The process has the advantages of simple process, low cost, high yield, short time and less energy consumption. Compared with the prior production process, the time for producing 1 ton dietary fiber is saved by over 90 percent, so that the added value of maize is improved to produce the high-activity dietary fiber. While soluble dietary fiber is produced, insoluble dietary fiber can also be produced. Therefore, on the one hand, the maize peel is sufficiently used; and on the other hand, the mixture ratio of soluble ingredients and insoluble ingredients can be concerned during investigation, according to the characteristics of different solubility of dietary fibers, and different physiological functions played by the fibers, so that the physiological activity of the dietary fiber of the maize peel can be played to the utmost extent.
Description
Technical field
The present invention relates to a kind of preparation technology who utilizes acidified maize peel to produce dietary fiber of high activity, utilize the accessory substance of corn deep processing--acidified maize peel production dietary fiber of high activity belongs to the corn deep processing technology field.
Background technology
At present, acidified maize peel is the accessory substance of corn deep processing, produce the acidified maize peel that the 1kg alcohol fuel approximately produces 0.6kg, its fiber content height, it is rare inexpensive food fiber source, but the many forms with feed of acidified maize peel are sold at present, do not give full play to its due value.Utilize scanning electron microscope that unacidified hoja is observed comparison, the surface coverage of discovery hoja starchiness (20.8%), protein (16.6%) etc., and the maize peel warp of acidifying is measured content of starch (6%～12%), protein (11.1%-13.1%).Domesticly utilize unacidified maize peel to extract dietary fiber, mainly take chemical treatment method, as strong acid, highly basic, alcohol etc.The characteristics of chemical method are that cost is lower, but soda acid processing procedure, a large amount of water-soluble dietary fibers is run off, the retention ability and the expansive force of product are lower, for present commercially available corn dietary fiber, its expansive force is 2.5-3 (g/mL) after measured, retention ability 4.2-4.4 (g/g), and the existing method of extracting dietary fiber mainly is the technology at the non-acidizing maize peel.
There is literature research to show, adopts supercritical CO
2Fluid extraction technology and extruding technology are handled corn wrapper fibre, make the high-quality dietary fiber with good physicochemical property and higher physiologically active, the optimization process technological parameter, and promptly extracting pressure is 30MPa, 35 ℃ of temperature, time 100min, CO
2Flow 23L/h; Extrusion temperature is that 145 ℃, material moisture are 60%, charging rate 20kg/h, screw speed 220r/min.Corn wrapper fibre soluble dietary fibre content after the processing is 14.8%, and expansive force is 18.2ml/g, and retention ability is 9.3g/g, is 6.3g/g in conjunction with waterpower.Though this method obtains highly active dietary fiber.But its complex process, length consuming time, power consumption is big, is not suitable for industrialized production.Have document to show yet, utilize the Production by Enzymes corn dietary fiber, its expansive force 1.83-2.35 (g/mL) and retention ability 5.01-6.2 (g/g) still do not reach the standard of dietary fiber of high activity, and it realizes suitability for industrialized production research that awaits.
Summary of the invention
The present invention discloses a kind of preparation technology who utilizes acidified maize peel to produce dietary fiber of high activity, overcomes the deficiency that can not utilize acidified maize peel to produce dietary fiber at present.
The preparation method of highly active total corn dietary fiber of the present invention: utilize mixing enzyme preparation to remove starch, protein and fat in the acidified maize peel, obtain to have the process route of highly active total corn dietary fiber, specifically may further comprise the steps:
(a) utilize mixing enzyme preparation to slough starch, protein, fat acquisition total dietary fiber:
Acidified maize peel: the g/mL of water=1:(4.5-5.1), PH=6.0-7.0,50 ℃-60 ℃ of temperature, the amylase use amount is 1.8-2.5mL/L, reaction time 15-25 minute, and evenly mixing speed 400-600 rev/min, be cooled to 40 ℃, transfer PH=6.8-7.2, the protease use amount is that 3.6-4.0kg/t, lipase use amount are 9.1-10kg/t, and the reaction time is 25-40 minute; Four layers of filtered through gauze, precipitate total dietary fiber;
(b) utilize cellulase to prepare a kind of method of soluble dietary fiber, may further comprise the steps:
The total dietary fiber of having sloughed starch, fat and protein reacts by following system: total dietary fiber: the g/mL of water=1:(4.6-5.0), the cellulase use amount is a 0.25L/ ton butt, PH=6.0,55 ℃-60 ℃ reaction 2.5h-3.0h, filtered through gauze, respectively with filtrate and the precipitation 50 ℃ of-60 ℃ of oven dry, filtrate dry soluble dietary fiber, precipitate the insolubility dietary fiber.
(c) autoclaving total dietary fiber technology:
NaOH with 0.3%--0.5% soaks with total dietary fiber, and autoclaving is washed to neutrality, and the 80-100 mesh sieve was pulverized in oven dry below 60 ℃.
A kind of dietary fiber decoloration process of the present invention: the dietary fiber that obtains is cooled to 60 ℃-80 ℃, drips H
2O
2To final concentration more than 0.9%, realize the dietary fiber decolouring.
Technology path of the present invention as shown in Figure 1.
The good effect that the present invention compared with prior art has is: utilize microbial enzyme method to produce corn dietary fiber, the extraction of corn dietary fiber, activation integralization is finished, technology is simple, and cost is low, the yield height, time is short, power consumption is few, compares with existing production technology, and 1 ton of dietary fiber of every production is saved time more than 90%; Improve the added value of corn, obtained highly active dietary fiber.
The present invention also can obtain insoluble diedairy fiber when obtaining soluble dietary fiber.This not only makes maize peel be fully utilized, also can be according to dietary fiber dissolubility difference, the characteristic that the physiological function of being brought into play is also inequality, the proportioning of concern soluble component and insoluble composition in the research makes the maximum physiologically active of cmaize peel food fibre performance.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
For the ease of understanding the present invention, especially exemplified by following examples.Its effect is understood that it is to explaination of the present invention but not to any type of restriction of the present invention.
Embodiment 1
Acidified maize peel: 1kg pulverized 80 mesh sieves, added water 5L, and evenly mixing speed is 500 rev/mins, PH=6.5, and 60 ℃ of temperature, starch addition are 10mL, react 15 minutes; Be cooled to 40 ℃, transferring PH=7.0 protease addition is that 9.19g, lipase addition are 3.84g, reacts 30 minutes; Four layers of filtered through gauze, the supernatant component mainly contains rhamnose, ribose, wood sugar, mannose, glucose, and wherein rhamnose accounts for 47.2%, can be used for producing ethanol; Precipitation is total dietary fiber.
Total dietary fiber, total dietary fiber (g): water (mL)=1:5, cellulase addition are 0.25mL, 60 ℃ of reaction 2.5h, 4 layers of filtered through gauze, with filtrate and 50 ℃ of oven dry of precipitation, the filtrate oven dry is soluble dietary fiber respectively; Precipitation is the insolubility dietary fiber.
Total dietary fiber, insolubility dietary fiber exist respectively, and 0.5%, 121 ℃, 0.105PKa, under the condition, dietary fiber (g): in water (mL)=1:10 system, 40 minutes, 60 ℃-80 ℃ decolouring (0.9% above H
2O
2), wash three times, oven dry below 60 ℃, its total dietary fiber expansive force and retention ability are respectively 10 (g/mL) and 12 (g/g), and insolubility dietary fiber expansive force and retention ability are respectively 8 (g/mL) and 7 (g/g).
Embodiment 2
Acidified maize peel: 300g pulverized 80 mesh sieves, water: 1500mL, and evenly mixing speed is 500 rev/mins, PH=6.5,60 ℃ of temperature, starch addition are 3.5mL, react 15 minutes; Be cooled to 40 ℃, transferring PH=7.0 protease addition is that 3.1g, lipase addition are 1.3g, reacts 30 minutes; Four layers of filtered through gauze,
Total dietary fiber, total dietary fiber (g): water (mL)=1:5, cellulase addition are 0.09mL, 60 ℃ of reaction 2.5h, evenly mixing speed is 500 rev/mins, 4 layers of filtered through gauze, with filtrate and 50 ℃ of oven dry of precipitation, the filtrate oven dry is soluble dietary fiber respectively; Precipitation is the insolubility dietary fiber.
Total dietary fiber, insolubility dietary fiber exist respectively, and 0.4%, 121 ℃, 0.105PKa, under the condition, dietary fiber (g): in water (mL)=1:10 system, 45 minutes, 60 ℃-80 ℃ decolouring (0.9% above H
2O
2), wash three times, oven dry below 60 ℃, its total dietary fiber expansive force and retention ability are respectively 11 (g/mL) and 13 (g/g), and insolubility dietary fiber expansive force and retention ability are respectively 10 (g/mL) and 9 (g/g).
Embodiment 3
Acidified maize peel: 10g pulverized 80 mesh sieves, added water 50mL, and evenly mixing speed is 500 rev/mins, PH=6.5, and 60 ℃ of temperature, starch addition are 0.01mL, react 15 minutes; Evenly mixing speed is 500 rev/mins, is cooled to 40 ℃, and transferring PH=7.0 protease addition is that 0.09g, lipase addition are 0.04g, reacts 30 minutes; Four layers of filtered through gauze,
Total dietary fiber, total dietary fiber (g): water (mL)=1:5, cellulase addition are 0.0025mL, 60 ℃ of reaction 2.5h, evenly mixing speed is 500 rev/mins, 4 layers of filtered through gauze, with filtrate and 50 ℃ of oven dry of precipitation, the filtrate oven dry is soluble dietary fiber respectively; Precipitation is the insolubility dietary fiber.
Total dietary fiber, insolubility dietary fiber exist respectively, and 0.3%, 121 ℃, 0.105PKa, under the condition, dietary fiber (g): in water (mL)=1:10 system, 50 minutes, 60 ℃-80 ℃ decolouring (0.9% above H
2O
2), wash three times, oven dry below 60 ℃, its total dietary fiber expansive force and retention ability are respectively 12 (g/mL) and 13 (g/g), and insolubility dietary fiber expansive force and retention ability are respectively 9 (g/mL) and 8 (g/g).
Claims (6)
1, a kind of total corn dietary fiber, available following method obtains:
Acidified maize peel: water=1:(4.5-5.1) g/mL mixes, PH=6.0-7.0,50 ℃-60 ℃ of temperature, the amylase use amount is 1.8-2.5mL/L, reaction time 15-25 minute, be cooled to 40 ℃, transfer PH=6.8-7.2, the protease use amount is that 3.6-4.0kg/t, lipase use amount are 9.1-10kg/t, and the reaction time is 25-40 minute; Evenly mixing speed 400-600 rev/min, four layers of filtered through gauze, precipitate total dietary fiber.
2, a kind of preparation technology who utilizes acidified maize peel to produce the high activity total dietary fiber may further comprise the steps:
Utilizing mixing enzyme preparation to slough that starch, protein, fat obtains must dietary fiber;
Acidified maize peel: the g/mL of water=1:(4.5-5.1), PH=6.0-7.0,50 ℃-60 ℃ of temperature, the amylase use amount is 1.8-2.5mL/L, reaction time 15-25 minute, be cooled to 40 ℃, transfer PH=6.8-7.2, the protease use amount is that 3.6-4.0kg/t, lipase use amount are 9.1-10kg/t, and the reaction time is 25-40 minute; Evenly mixing speed 400-600 rev/min, four layers of filtered through gauze, precipitate total dietary fiber.
3, a kind of preparation technology of soluble dietary fiber may further comprise the steps:
With the total dietary fiber of claim 1 by following system reaction: total dietary fiber: the g/mL of water=1:(4.6-5.0), the cellulase use amount is a 0.25L/ ton butt, PH=6.0,55 ℃-60 ℃ reaction 2.5h-3.0h, evenly mixing speed 4000-600 rev/min, filtered through gauze, respectively with filtrate and the precipitation 50 ℃ of-60 ℃ of oven dry, get filtrate dry soluble dietary fiber.
4, a kind of preparation technology of soluble dietary fiber may further comprise the steps:
With the total dietary fiber of claim 1 by following system reaction: total dietary fiber: the g/mL of water=1:(4.6-5.0), the cellulase use amount is a 0.25L/ ton butt, PH=6.0,55 ℃-60 ℃ reaction 2.5h-3.0h, evenly mixing speed 4000-600 rev/min, filtered through gauze, respectively with filtrate and the precipitation 50 ℃ of-60 ℃ of oven dry, get precipitate the insolubility dietary fiber.
5, the described preparation technology of claim 2 is characterized in that: the NaOH with 0.3%--0.5% soaks with total dietary fiber, and autoclaving is washed to neutrality, and the 80-100 mesh sieve was pulverized in oven dry below 60 ℃.
6, the described preparation technology of claim 1 is characterized in that: total dietary fiber is cooled to 60 ℃-80 ℃, drips H
2O
2To final concentration more than 0.9%, realize the dietary fiber decolouring.
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| CNA2008100515341A CN101411501A (en) | 2008-12-05 | 2008-12-05 | Preparation technique for producing dietary fiber of high activity using acidified maize peel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309011A (en) * | 2011-09-01 | 2012-01-11 | 山东中谷淀粉糖有限公司 | Preparation method of dietary fiber of corn |
| CN102349620A (en) * | 2011-10-30 | 2012-02-15 | 吉林农业大学 | High-fiber corn flake healthy food and production method thereof |
| CN101843329B (en) * | 2009-12-30 | 2013-01-02 | 吉林大学 | Method for preparing dietary fiber by adopting corn bran hydrolyzed by multifunctional enzyme |
| CN103431413A (en) * | 2013-08-27 | 2013-12-11 | 维睿思诺（武汉）科技有限公司 | Technical method for producing dietary fibers from barley hulls as raw material |
| CN107319288A (en) * | 2017-07-10 | 2017-11-07 | 广西驰胜农业科技有限公司 | A kind of preparation method of cmaize peel food fibre steamed bun |
-
2008
- 2008-12-05 CN CNA2008100515341A patent/CN101411501A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843329B (en) * | 2009-12-30 | 2013-01-02 | 吉林大学 | Method for preparing dietary fiber by adopting corn bran hydrolyzed by multifunctional enzyme |
| CN102309011A (en) * | 2011-09-01 | 2012-01-11 | 山东中谷淀粉糖有限公司 | Preparation method of dietary fiber of corn |
| CN102349620A (en) * | 2011-10-30 | 2012-02-15 | 吉林农业大学 | High-fiber corn flake healthy food and production method thereof |
| CN102349620B (en) * | 2011-10-30 | 2012-11-21 | 吉林农业大学 | High-fiber corn flake healthy food and production method thereof |
| CN103431413A (en) * | 2013-08-27 | 2013-12-11 | 维睿思诺（武汉）科技有限公司 | Technical method for producing dietary fibers from barley hulls as raw material |
| CN107319288A (en) * | 2017-07-10 | 2017-11-07 | 广西驰胜农业科技有限公司 | A kind of preparation method of cmaize peel food fibre steamed bun |
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Effective date of registration: 20090731 Address after: 2699, Qianjin Street, Jilin, Changchun Province, China: 130012 Applicant after: Jilin University Co-applicant after: Jilin fuel ethanol Co., Ltd. Address before: 2699, Qianjin Street, Jilin, Changchun Province, China: 130012 Applicant before: Jilin University |
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Application publication date: 20090422 |