CN105876322A - Production method of high activity corn husk dietary fibers - Google Patents
Production method of high activity corn husk dietary fibers Download PDFInfo
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- CN105876322A CN105876322A CN201410655002.4A CN201410655002A CN105876322A CN 105876322 A CN105876322 A CN 105876322A CN 201410655002 A CN201410655002 A CN 201410655002A CN 105876322 A CN105876322 A CN 105876322A
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Abstract
The invention relates to a production method of high activity corn husk dietary fibers, and belongs to the technical field of deep processing of agriculture products. The production method comprises the following steps of crushing corn husk raw materials, mixing the crushed corn husk raw materials with corn starch in the ratio of the corn husk raw materials to the corn starch being 1 to 4, and then performing extruding and expanding; performing enzymolysis with high-temperature alpha amylase, and then performing enzymolysis with acid protease so as to prepare high activity corn husk dietary fibers; and performing centrifugal filtering, and performing drying and forming under 75 DEG C so as to obtain the corn husk dietary fibers which are pale yellow. According to the production method disclosed by the invention, the microstructure and the composition of the corn husk dietary fibers can be improved, and the content of soluble dietary fibers is increased by 10-40%; an enzymolysis technique is used, so that components of starch, protein and the like in the dietary fibers can be removed, and the content of the dietary fibers reaches 90% or above. The products namely the corn husk dietary fibers are high in purity and activity, meet the requirement of general consumers for purely natural high-activity dietary fiber foods, and have a broad market development prospect.
Description
Technical field
The present invention is the production method of a kind of high activity cmaize peel food fibre, belongs to deep processing of farm products technology neck
Territory.
Technical background
Many countries all using dietary fiber as a kind of important nutrient, and propose in people's dietetic nutrition reasonable
Intake.Chinese Soclety of Nutrition is recommended, everyone daily ingestion of dietary fiber 25-30g；U.S. FDA is recommended,
Everyone daily intake 20-35g；United Kingdom National consultative committee advises, tieing up intake everyone every day is
25g-30g.Dietary fiber has expansion, moisture holding capacity, colloid is formed, ion exchanges, improves gastrointestinal
Microbe colony and the low physiological function of heat production, water soluble dietary fiber is met water and can be expanded, becomes clear gel
Shape material, forms a kind of mucosa, digesting and assimilating of the dietary nutrient that slows down in gastrointestinal, is easier in intestinal
Fermented by intestinal and utilize, there is the physiological function in many aspects more higher than insoluble dietary fiber.Research
Showing, water soluble dietary fiber and insoluble dietary fiber ratio have important shadow to the physiologically active of dietary fiber
Ringing, rational ratio is about 1: 3.
Western developed country begins to carry out the research and development of dietary fiber as far back as nineteen seventies, existing
, intensification diet fiber functional food is the most prevailing America and Europe and Japan, and American and Britain, moral, method are at dietary fiber
Manufacture field has formed certain industry size, and occupies a tiny space at food products market.It is fine that the U.S. has set up meals
Dimension association (USDA), facilitates in cereal foods selling 6,000,000,000 dollars year, and about 20% is enriched in dietary fiber merit
Can food.Japan, from the later stage eighties, develops the soda pop rich in water soluble dietary fiber, lactic acid
The beverage such as beverage and fruit juice, the dietary fiber resource of exploitation has: Testa oryzae, Testa Tritici, megasse, Semen Maydis,
Semen sojae atricolor, fiber crops, peel, seed polysaccharide, Rhizoma amorphophalli, chitins etc. more than ten are planted.The external dietary fiber studied,
Mainly there are corn, beans, fruit and vegerable, microbial polysaccharide and other natural fiber and synthesis, semisynthetic fibre, altogether
Counting more than 30 kind, be wherein applied to actual production has more than 10 to plant, and utilizes the side of dietary fiber treatment disease
Method is also arisen at the historic moment in some countries.China produces for dietary fiber, produces and applied research has still been in
Step section, the most deep.The present invention mainly from dietary fiber resource developing and extracting method improve two in terms of pair
Cmaize peel food fibre has carried out more in-depth study, is improve in cmaize peel food fibre by extruding puffing
Soluble dietary fibre content, uses enzymatic treatment to remove starch and protein in dietary fiber further, makes jade
The content of silverskin dietary fiber reaches more than 90%, improves purity and the physiologically active of cmaize peel food fibre,
There is important social value and economic benefit and market prospect.
Summary of the invention
It is an object of the invention to provide the production method of a kind of high activity cmaize peel food fibre, with cheap Semen Maydis
Skin is raw material, prepares high activity, highly purified cmaize peel food fibre, both can directly eat and can also use
Develop in functional food, to improve skin of Semen Maydis comprehensive utilization value.
The production method preparing high activity cmaize peel food fibre of the present invention, including:
1) extruding puffing of corn bran raw material: pulverized by corn bran raw material, crosses 60 mesh sieves, then with 1: 4
Ratio carries out extruding puffing with corn starch mixing.Moisture is regulated at 12-24%, swelling temperature time expanded
At 110-220 DEG C, screw rod rotary speed is at 200-800 rev/min.
2) enzyme process prepares high activity cmaize peel food fibre: by the raw material pulverizing after expanded, with high temperature-α starch
Enzyme carries out enzymolysis, sets pH6.0-7.5, hydrolysis temperature 90-100 DEG C, and enzymolysis time 30-60 minute is enzyme-added
Amount 0.02-0.5%.Then, then carry out enzymolysis with acid protease, set pH2.5-4.5, hydrolysis temperature
30-60 DEG C, enzymolysis time 30-60 minute, enzyme concentration 0.05-0.25%.
3) drying and moulding of cmaize peel food fibre:
By enzymatic hydrolysate centrifugal filtration, collect precipitate 1；
Add dehydrated alcohol, low-temperature precipitation after filtrate being concentrated again, collect precipitate 2；
The drying and moulding below 75 DEG C by precipitate 1 and precipitate 2, prepares lurid skin of Semen Maydis meals fine
Dimension.
The preparation method of above-mentioned a kind of high activity cmaize peel food fibre, high temperature-alpha amylase used is Zhaodong state
North enzyme preparation company limited of section produces, and enzyme activity is 20000U/mL；Acid protease used is Zhaodong section of state
North enzyme preparation company limited produces, and enzyme activity is 20000U/mL, regulates material with sodium hydroxide or hydrochloric acid solution
Liquid pH value.
The a large amount of skin of Semen Maydis garbages produced during the present invention is directed to China's production of corn starch, swollen by extruding
Change and ferment treatment combines new technique, control expanded and enzymolysis process parameter and condition, successfully prepare rich in can
The high-activity natural cmaize peel food fibre of soluble dietary fiber.By using twin-screw extruder puffing technique, change
Kind cmaize peel food fibre structure, improves ratio and the content of water soluble dietary fiber, utilizes zymolysis technique to remove
The compositions such as starch in dietary fiber, albumen, prepare high activity, highly purified cmaize peel food fibre.This
The bright cmaize peel food fibre retention ability produced and swelling power are stronger than the cmaize peel food fibre that conventional method is produced,
And soluble dietary fibre content is many, physiologically active is high, has the characteristics such as natural, safety, health care, adds
The functional of food can be improved in food, meet consumers in general's demand to pure natural health-care, tool
There is wide market development prospect.
Detailed description of the invention
Corn bran raw material is pulverized, crosses 60 mesh sieves, then with 1: 4 ratio and corn starch (Qinhuangdao black horse Hua
Starch limited company produces, and performs standard: GB12309-90) mixing.Regulation moisture 12-24%,
Set swelling temperature 110-220 DEG C, control screw rod rotary speed 200-800 rev/min, then carry out extruding swollen
Change.
By the raw material pulverizing after expanded, carry out enzymolysis with high temperature-alpha amylase, regulate pH6.0-7.5, enzymolysis
Temperature 90-100 DEG C, enzymolysis time 30-60 minute, enzyme concentration 0.02-0.5%.Then, then with acid egg
White enzyme carries out enzymolysis, sets pH2.5-4.5, hydrolysis temperature 30-60 DEG C, enzymolysis time 30-60 minute, adds
Enzyme amount 0.05-0.25%.
By the drying and moulding below 75 DEG C of the dietary fiber after enzymolysis, finally prepare lurid skin of Semen Maydis meals
Fiber.
Embodiment 1
Take 200 grams of dry skin of Semen Maydis, with FW177 type Chinese medicine grinder (Tianjin TELUS spy Instrument Ltd.
Produce) carry out pulverizing, sieving, add 800 grams of corn starchs and be mixed evenly, add amount of water, use grain
It is 18% that moisture test apparatus measures moisture.Pour the raw material powder after allotment into twin-screw extruder expanded
In the feeding hopper of machine, turn on the power, setting swelling temperature 180 DEG C, control twin screw rotary speed 500 turns/
Point, feeding hopper screw speed 600 revs/min, then carry out extruding puffing.
With FW177 type Chinese medicine grinder (production of Tianjin TELUS spy Instrument Ltd.) by the raw material after expanded
Pulverizing, put in enzymatic vessel, add 10 liters of water, regulating material liquid pH value with sodium hydroxide or hydrochloric acid solution is
7.0, by YJ501 type ultrathermostat (production of Shanghai Suo Pu Instrument Ltd.) controlled enzymatic hydrolysis temperature 95 DEG C,
Add high temperature-alpha amylase (production of north enzyme preparation company limited of Zhaodong section of state, the enzyme of 0.15% while stirring
Vigor is 20000U/mL), stirring enzymolysis 30 minutes.Then, reconciling material liquid pH value with hydrochloric acid solution is 3.0,
By thermostatic water-circulator bath pot controlled enzymatic hydrolysis temperature 40 DEG C, add the acid protease (Zhaodong of 0.10% while stirring
North enzyme preparation company limited of section of state produces, and enzyme activity is 20000U/mL), stirring enzymolysis 45 minutes.
By enzymatic hydrolysate centrifugal filtration, precipitate is collected；Concentrate the filtrate to 3 liters, add 9 liters of anhydrous second
Alcohol, low-temperature precipitation 4 hours, precipitate is vacuum dried molding at 45 DEG C together with a front precipitate,
Rear prepared lurid cmaize peel food fibre 185 grams.The purity of product cmaize peel food fibre is 92%,
Soluble dietary fibre content is 50%, improves 30% before expanded.
Embodiment 2
Take 300 grams of dry skin of Semen Maydis, pulverize, sieve, add 700 grams of corn starchs and be mixed evenly, add suitable
Amount moisture, after being 15% by grain moisture content analyser mensuration moisture, pours double spiral shell into by the raw material powder of allotment
In the feeding hopper of bar extruder, turn on the power, set swelling temperature 150 DEG C, control twin screw and rotate speed
Spend 450 revs/min, feeding hopper screw speed 500 revs/min, then carry out extruding puffing.
By the raw material pulverizing after expanded, put in enzymatic vessel, add 10 liters of water, molten with sodium hydroxide or hydrochloric acid
It is 7.0 that liquid reconciles material liquid pH value, by thermostatic water-circulator bath pot controlled enzymatic hydrolysis temperature 95 DEG C, adds while stirring
High temperature-the alpha amylase of 0.15%, stirring enzymolysis 30 minutes.Then, material liquid pH value is reconciled with hydrochloric acid solution
It is 3.0, by thermostatic water-circulator bath pot controlled enzymatic hydrolysis temperature 40 DEG C, adds the acid egg of 0.10% while stirring
White enzyme, stirring enzymolysis 45 minutes.
By enzymatic hydrolysate centrifugal filtration, precipitate is collected；Concentrate the filtrate to 3 liters, add 9 liters of anhydrous second
Alcohol, low-temperature precipitation 4 hours, by precipitate drying and moulding together with a front precipitate, finally prepare light yellow
Cmaize peel food fibre 288 grams.The purity of product cmaize peel food fibre reaches 90%, and soluble dietary is fine
Dimension hplc is 45%, improves 25% before expanded.
Claims (5)
1. a production method for high activity cmaize peel food fibre, including:
1) extruding puffing of corn bran raw material: pulverized by corn bran raw material, crosses 60 mesh sieves, then with 1: 4
Ratio mixes with corn starch, carries out extruding puffing, and time expanded, corn bran raw material moisture is at 12-24%,
Swelling temperature is at 110-220 DEG C, and screw rod rotary speed is at 200-800 rev/min；
2) enzyme process prepares high activity cmaize peel food fibre: by the raw material pulverizing after expanded, with high temperature～α starch
Enzyme carries out enzymolysis, sets pH6.0-7.5, hydrolysis temperature 90-100 DEG C, and enzymolysis time 30-60 minute is enzyme-added
Amount 0.02-0.5%；Carry out enzymolysis with acid protease again, set pH2.5-4.5, hydrolysis temperature 30-60 DEG C,
Enzymolysis time 30-60 minute, enzyme concentration 0.05-0.25%；
3) drying and moulding of cmaize peel food fibre:
By enzymatic hydrolysate centrifugal filtration, collect precipitate 1；
Add dehydrated alcohol, low-temperature precipitation after filtrate being concentrated again, collect precipitate 2；
The drying and moulding below 75 DEG C by precipitate 1 and precipitate 2, prepares lurid skin of Semen Maydis meals fine
Dimension.
The production method of a kind of high activity cmaize peel food fibre, its feature exists
In: high temperature-alpha amylase used is that north enzyme preparation company limited of Zhaodong section of state produces, and enzyme activity is
20000U/mL。
The production method of a kind of high activity cmaize peel food fibre the most according to claim 1 or claim 2, its feature
It is: acid protease used is that north enzyme preparation company limited of Zhaodong section of state produces, and enzyme activity is
20000U/mL。
The production method of a kind of high activity cmaize peel food fibre the most according to claim 1 or claim 2, its feature
It is: regulate material liquid pH value with sodium hydroxide or hydrochloric acid solution.
The production method of a kind of high activity cmaize peel food fibre, its feature exists
In: regulate material liquid pH value with sodium hydroxide or hydrochloric acid solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655002.4A CN105876322A (en) | 2014-11-03 | 2014-11-03 | Production method of high activity corn husk dietary fibers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655002.4A CN105876322A (en) | 2014-11-03 | 2014-11-03 | Production method of high activity corn husk dietary fibers |
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| CN105876322A true CN105876322A (en) | 2016-08-24 |
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| CN201410655002.4A Pending CN105876322A (en) | 2014-11-03 | 2014-11-03 | Production method of high activity corn husk dietary fibers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108669569A (en) * | 2018-05-04 | 2018-10-19 | 孙玲 | A kind of preparation method of corn dietary fiber |
| CN114947144A (en) * | 2022-06-08 | 2022-08-30 | 吉林农业大学 | Preparation method of soluble corn bran dietary fiber |
-
2014
- 2014-11-03 CN CN201410655002.4A patent/CN105876322A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108669569A (en) * | 2018-05-04 | 2018-10-19 | 孙玲 | A kind of preparation method of corn dietary fiber |
| CN114947144A (en) * | 2022-06-08 | 2022-08-30 | 吉林农业大学 | Preparation method of soluble corn bran dietary fiber |
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Application publication date: 20160824 |