CN108095130A - Food-grade ginseng dietary fiber and preparation method thereof - Google Patents
Food-grade ginseng dietary fiber and preparation method thereof Download PDFInfo
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- CN108095130A CN108095130A CN201810015720.3A CN201810015720A CN108095130A CN 108095130 A CN108095130 A CN 108095130A CN 201810015720 A CN201810015720 A CN 201810015720A CN 108095130 A CN108095130 A CN 108095130A
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- 235000008434 ginseng Nutrition 0.000 title claims abstract description 183
- 241000208340 Araliaceae Species 0.000 title claims abstract description 182
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 title claims abstract description 182
- 235000003140 Panax quinquefolius Nutrition 0.000 title claims abstract description 182
- 235000013325 dietary fiber Nutrition 0.000 title claims abstract description 108
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 57
- 238000001035 drying Methods 0.000 claims abstract description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000706 filtrate Substances 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000000967 suction filtration Methods 0.000 claims abstract description 8
- 238000007873 sieving Methods 0.000 claims description 28
- 239000012153 distilled water Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 108091005804 Peptidases Proteins 0.000 claims description 9
- 239000004365 Protease Substances 0.000 claims description 9
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 9
- 229940111205 diastase Drugs 0.000 claims description 9
- 230000009970 fire resistant effect Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 108010089934 carbohydrase Proteins 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 14
- 239000000047 product Substances 0.000 abstract description 8
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 229920002472 Starch Polymers 0.000 description 5
- 235000019698 starch Nutrition 0.000 description 5
- 239000008107 starch Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 235000005911 diet Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 150000004676 glycans Chemical class 0.000 description 3
- 229920001282 polysaccharide Polymers 0.000 description 3
- 239000005017 polysaccharide Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 230000037213 diet Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000004382 Amylase Substances 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 description 1
- 240000004371 Panax ginseng Species 0.000 description 1
- 235000002789 Panax ginseng Nutrition 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000003262 industrial enzyme Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- 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)
- Botany (AREA)
- Mycology (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The present invention provides a kind of food-grade ginseng dietary fibers and preparation method thereof, are related to food processing field.The preparation method of this food-grade ginseng dietary fiber includes：It is centrifuged and is filtered successively to obtain filter residue and filtrate after ginseng residue's mixture after enzymolysis is boiled 20~25min at a temperature of 98~100 DEG C；Filter residue is crushed after drying to constant weight and obtains ginseng insoluble dietary fiber；After filtrate is concentrated under reduced pressure, it is 4 to add in filtrate volume ratio:The 3rd mixture is obtained after 1 absolute ethyl alcohol mixing；3rd mixture is precipitated into 4~4.5h at room temperature, suction filtration obtains ginseng floccule；Ginseng floccule is crushed after drying to constant weight and obtains ginseng soluble dietary fiber；Ginseng insoluble dietary fiber is mixed with ginseng soluble dietary fiber.Preparing food-grade ginseng dietary fiber by this method has the advantages that low production cost, reagent Environmental Safety, product extraction effect are good.
Description
Technical field
The present invention relates to a kind of food processing field, and more particularly to a kind of food-grade ginseng dietary fiber and its preparation side
Method.
Background technology
In the patented technology of existing ginseng food, such as ginseng high-quality dietary fiber and its production method (Authorization Notice No.
102511806 B of CN), a kind of production method of flavor ginseng fruit piece (103392895 B of Authorization Notice No. CN), using people
Join the raw materials such as root, panax ginseng fruit, cost of material is higher.
It is difficult to directly produce dietary fiber food, also, prior art standard using the ginseng dregs of a decoction《Dietary fiber in food
Measure》(GB5009.88-2014) using chemical reagent and industrial enzyme preparation, such as trishydroxymethylaminomethane, 2- (N- beautiful jades
Generation) ethane sulfonic acid, glacial acetic acid, acetone, thermostabilization a- amylase liquids (CAS:9000-85-5), liquid of protease (CAS:9014-01-
And amyloglucosidase liquid (CAS 1):The extraction of ginseng dietary fiber 9032-08-0) etc. is carried out, reagent safety rank is low, no
It can carry out the preparation of food composition.
The content of the invention
It is an object of the invention to provide a kind of preparation method of food-grade ginseng dietary fiber, with economic and safe side
The ginseng dregs of a decoction are directly produced dietary fiber food by method.
Another object of the present invention is to provide a kind of food-grade ginseng dietary fiber, this food-grade ginseng dietary fiber tool
There is the advantages of production cost is low, edible safety is high.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of preparation method of food-grade ginseng dietary fiber, including：
It is centrifuged successively after ginseng residue's mixture after enzymolysis is boiled 20~25min at a temperature of 98~100 DEG C
And it filters and obtains filter residue and filtrate；
Filter residue is crushed after drying to constant weight and obtains ginseng insoluble dietary fiber；
After filtrate is concentrated under reduced pressure, it is 4 to add in filtrate volume ratio:It is mixed that the 3rd is obtained after 1 absolute ethyl alcohol mixing
Close object；
3rd mixture is precipitated into 4~4.5h at room temperature, suction filtration obtains ginseng floccule；
Ginseng floccule is crushed after drying to constant weight and obtains ginseng soluble dietary fiber；
Ginseng insoluble dietary fiber is mixed with ginseng soluble dietary fiber.
The present invention also proposes a kind of food-grade ginseng dietary fiber, passes through the preparation of above-mentioned food-grade ginseng dietary fiber
Method is made.
The advantageous effect of the preparation method of the food-grade ginseng dietary fiber of the embodiment of the present invention is：By the ginseng after enzymolysis
For slag mixture by boiling, the mode being then centrifuged for obtains filter residue and filtrate, will be filtered using the mode for adding absolute ethyl alcohol afterwards
Ginseng dissolved matter in liquid proposes that whole process security is very high in the form of floccule, from prepared by ginseng insolubility
Dietary fiber and ginseng soluble dietary fiber are respectively provided with very high edible safety.
The food-grade ginseng dietary fiber of the embodiment of the present invention, due to ginseng insoluble dietary fiber therein and people
Ginseng soluble dietary fiber is respectively provided with the advantages of edible safety is high, thus by this ginseng insoluble dietary fiber and this
The ginseng dietary fiber that kind ginseng soluble dietary fiber is made has the advantages that edible safety is high.
Specific embodiment
It, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
The preparation method of the food-grade ginseng dietary fiber of the embodiment of the present invention is specifically described below.
The preparation method of food-grade ginseng dietary fiber, including：
It is centrifuged successively after ginseng residue's mixture after enzymolysis is boiled 20~25min at a temperature of 98~100 DEG C
And it filters and obtains filter residue and filtrate；
Filter residue is crushed after drying to constant weight and obtains ginseng insoluble dietary fiber；
After filtrate is concentrated under reduced pressure, it is 4 to add in filtrate volume ratio:It is mixed that the 3rd is obtained after 1 absolute ethyl alcohol mixing
Close object；
3rd mixture is precipitated into 4~4.5h at room temperature, suction filtration obtains ginseng floccule；
Ginseng floccule is crushed after drying to constant weight and obtains ginseng soluble dietary fiber；
Ginseng insoluble dietary fiber is mixed with ginseng soluble dietary fiber.
By ginseng residue's mixture after enzymolysis by boiling, filter residue and filtrate are then obtained in a manner of centrifuging and filter,
The ginseng dissolved matter in filtrate is proposed in the form of floccule using the mode for adding absolute ethyl alcohol afterwards, whole process safety
Property is very high, from prepared by ginseng insoluble dietary fiber and ginseng soluble dietary fiber be respectively provided with very high edible peace
Quan Xing.
Further, the ginseng residue after enzymolysis is prepared by the following method to obtain：
It is 1 by solid-liquid ratio:20~30 ginseng residue obtains the first mixing after adjusting pH to 7~8.5 after being mixed with distilled water
Object；
It is 1 to be added in into the first mixture with ginseng residue's weight ratio:The food-grade fire resistant alpha-diastase of the 2% of 50 and
The second mixture is formed after 2% food-grade alkali protease, and enzymolysis is stirred to the second mixture；
It is added after adjusting the pH to 4~5 of the second mixture after stirring enzymolysis and ginseng residue's weight ratio is 3:100 saccharification
Enzyme continues to digest.
Under the environment of alkalescence, 2% food-grade fire resistant alpha-diastase and 2% food-grade alkali protease pair is utilized
Second mixture is digested, and the starch granules of the macromolecular in the second mixture can be hydrolyzed, and removes ginseng slag specimen
Starch in product so that content of starch is extremely low in food-grade ginseng dietary fiber obtained, food-grade ginseng dietary fiber it is pure
It is lower to spend higher, heat.And the protein particulate of the macromolecular in the second mixture can be hydrolyzed, remove ginseng residue
In floating preteins so that floating preteins is relatively low in food-grade ginseng dietary fiber obtained, food-grade ginseng dietary fiber
Purity higher, heat are lower.
And food-grade fire resistant alpha-diastase and food-grade hydrolysis by novo step are combined into one step, it can be simultaneously
The protein of the polysaccharide components such as the constraint starch in ginseng residue and the protein portion combined with polysaccharide are effectively removed.
And afterwards in acid condition, continue to digest using carbohydrase, so as to obtain macromolecular polysaccharide into one
Step enzymolysis is soluble small molecular sugar, improves the yield of ginseng soluble dietary fiber, is conducive to absorption of human body utilization.
In whole process, the peace of the reagents such as food-grade fire resistant alpha-diastase, food-grade alkali protease and carbohydrase
Quan Xinggao can effectively improve the edible safety of ginseng insoluble dietary fiber and ginseng soluble dietary fiber.
Further, after ginseng residue is by the way that the ginseng dregs of a decoction and distilled water are mixed 2~3h, centrifugal treating is carried out,
Then 45~50h is dried at a temperature of 60~62 DEG C, using obtained after crushing and sieving for the first time.
The ginseng dregs of a decoction overwhelming majority is taken as production waste disposal, and ginseng cost is higher (150-200 members/jin), and ginseng
Dregs of a decoction cost is then much lower (50 yuan/jin), can save more cost, so as to ensure that the economy of product.
It, can be by soluble starch, carbohydrate in the ginseng dregs of a decoction etc. after the ginseng dregs of a decoction and distilled water are mixed 2~3h
Substance fully dissolves, and dries 45~50h after centrifugation at a temperature of 60~62 DEG C, can be with while drying effect is ensured
Ensure that the main nutrient composition in ginseng is not destroyed.
Further, sieving is carried out using sieving machine for the first time, and the mesh size of the sieve of sieving machine is 80
Mesh.
It is sieved, stodgy bulky grain in powder can be gone for the screening machine of 80 mesh using the mesh of sieve
It removes, is conducive to the implementation of later steps.
Further, the mixing speed of the second mixture is 300~350r/min, and the temperature of the second mixture enzymolysis is 60
~62 DEG C, the time of the second mixture enzymolysis is 3~3.5h.
It is stirred under the rotating speed of 300~350r/min, can cause food-grade fire resistant alpha-diastase and food-grade
Alkali protease and ginseng residue are sufficiently mixed, and can effectively improve the efficiency of enzymolysis, and under 60~62 DEG C of temperature environment
3~3.5h is digested, ginseng residue can be allowd to reach the enzymolysis of higher degree.
Further, filter residue is further included with the ethyl alcohol that volume fraction is 95% before drying to constant weight to residue washing 3
~4 times.
Using 95% ethyl alcohol the reagents such as acetone is replaced to clean filter residue, generated after can not only effectively removing enzymolysis
Carbohydrate content, the edible safety of ginseng insoluble dietary fiber can also be effectively improved, and preparation can be made more
It is convenient reasonable, it is suitble to food production.
Further, the drying of filter residue and ginseng floccule is carried out respectively using dryer, and the temperature of dryer
Degree is disposed as 60~62 DEG C.
The temperature setting of dryer is 60~62 DEG C, can be while drying efficiency is ensured, will not also be in ginseng residue
Main nutrient composition generate destruction.
Further, it will crush after drying to constant weight and obtain ginseng insoluble dietary fiber and powder after drying to constant weight
The broken ginseng soluble dietary fiber that obtains carries out second of sieving.
Second sieves, and can so that drying to constant weight and crush afterwards big in obtained ginseng insoluble dietary fiber
Grain and drying to constant weight crushes the bulky grain obtained in ginseng soluble dietary fiber afterwards and separated, thus second of mistake
The particle of the product of sieve is more uniform, while improving mouthfeel, is more conducive to the absorption of human body.
Further, second of sieving is carried out using sieving machine, and the mesh size of the sieve of sieving machine is 120
Mesh.
It is sieved, stodgy bulky grain in powder can be gone for the screening machine of 120 mesh using the mesh of sieve
It removes, improves mouthfeel and the absorption level of human body, and in the case where ensureing easily to absorb, can also have higher yield.
The present invention also provides a kind of food-grade ginseng dietary fibers, pass through the system of above-mentioned food-grade ginseng dietary fiber
Preparation Method is made.
The ginseng insoluble dietary fiber and ginseng soluble dietary contained in this food-grade ginseng dietary fiber
Fiber is respectively provided with the advantages of edible safety is high, therefore soluble by this ginseng insoluble dietary fiber and this ginseng
The ginseng dietary fiber that dietary fiber is made has the advantages that edible safety is high.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of food-grade ginseng dietary fiber is present embodiments provided, is mainly prepared by the following method：
After the ginseng dregs of a decoction and distilled water are mixed 2h, centrifugal treating is carried out, is then dried at a temperature of 60 DEG C
Using crushing, ginseng is made after then carrying out first time sieving using the mesh size of sieve for the sieving machine of 80 mesh in 48h
Slag；
It is 1 by solid-liquid ratio:30 ginseng residue mixed with distilled water after by way of adding in food grade saleratus thereto
The first mixture is obtained after adjusting pH to 8；
It is 1 to be added in into the first mixture with ginseng residue's weight ratio:The food-grade fire resistant alpha-diastase of the 2% of 50 and
The second mixture is formed after 2% food-grade alkali protease, and the second mixture is carried out with the mixing speed of 300r/min
Stirring, 3h is digested under 60 DEG C of temperature environment；
By adding in food grade hydrochloric acid into the second mixture, after the pH to 5 for adjusting the second mixture after stirring enzymolysis
Addition is 3 with ginseng residue's weight ratio:100 carbohydrase continues to digest 3h；
Ginseng residue's mixture after enzymolysis at a temperature of 100 DEG C is boiled into 20min postcoolings, is then centrifuged successively
And it filters and obtains filter residue and filtrate；
Filter residue washs 3 times through 95% food-grade ethanol；
Filter residue after washing is crushed after drying to constant weight under 60 DEG C of temperature environment, it is then big by the mesh of sieve
Small is that the sieving machine of 120 mesh carries out second obtaining ginseng insoluble dietary fiber after sieving.
After filtrate is concentrated under reduced pressure, it is 4 to add in filtrate volume ratio:It is mixed that the 3rd is obtained after 1 absolute ethyl alcohol mixing
Close object；
3rd mixture is precipitated into 4.5h at room temperature, suction filtration obtains ginseng floccule；
Ginseng soluble dietary fiber is obtained after ginseng floccule is crushed after drying to constant weight；
Ginseng insoluble dietary fiber is mixed with ginseng soluble dietary fiber.
Embodiment 2
The present embodiment proposes a kind of food-grade ginseng dietary fiber, the preparation method that its preparation method is provided with embodiment 1
Difference lies in：
After the ginseng dregs of a decoction and distilled water are mixed 2.5h, centrifugal treating is carried out, is then dried at a temperature of 61 DEG C
Using crushing, ginseng is made after then carrying out first time sieving using the mesh size of sieve for the sieving machine of 80 mesh in 45h
Slag；
It is 1 by solid-liquid ratio:20 ginseng residue mixed with distilled water after by way of adding in food grade saleratus thereto
The first mixture is obtained after adjusting pH to 8.5；
It is 1 to be added in into the first mixture with ginseng residue's weight ratio:The food-grade fire resistant alpha-diastase of the 2% of 50 and
The second mixture is formed after 2% food-grade alkali protease, and the second mixture is carried out with the mixing speed of 325r/min
Stirring, 3.25h is digested under 61 DEG C of temperature environment；
By adding in food grade hydrochloric acid into the second mixture, the pH to 4.5 of the second mixture after stirring enzymolysis is adjusted
Addition and ginseng residue's weight ratio are 3 afterwards:100 carbohydrase continues to digest 3h；
Ginseng residue's mixture after enzymolysis at a temperature of 99 DEG C is boiled into 23min postcoolings, is then centrifuged successively
And it filters and obtains filter residue；
Filter residue washs 3 times through 95% food-grade ethanol；
Filter residue is crushed after drying to constant weight under 61 DEG C of temperature environment, is then 120 by the mesh size of sieve
Purpose sieving machine carries out second obtaining ginseng insoluble dietary fiber after sieving.
It is centrifuged and is filtered successively after ginseng insoluble dietary fiber is boiled 20min at a temperature of 98 DEG C
To filtrate；
After filtrate is concentrated under reduced pressure, it is 4 to add in filtrate volume ratio:It is mixed that the 3rd is obtained after 1 absolute ethyl alcohol mixing
Close object；
3rd mixture is precipitated into 4h at room temperature, suction filtration obtains ginseng floccule；
Ginseng soluble dietary fiber is obtained after ginseng floccule is crushed after drying to constant weight；
Ginseng insoluble dietary fiber is mixed with ginseng soluble dietary fiber.
Embodiment 3
The present embodiment proposes a kind of food-grade ginseng dietary fiber, the preparation method that its preparation method is provided with embodiment 1
Difference lies in：
After the ginseng dregs of a decoction and distilled water are mixed 3h, centrifugal treating is carried out, is then dried at a temperature of 62 DEG C
Using crushing, ginseng is made after then carrying out first time sieving using the mesh size of sieve for the sieving machine of 80 mesh in 50h
Slag；
It is 1 by solid-liquid ratio:25 ginseng residue mixed with distilled water after by way of adding in food grade saleratus thereto
The first mixture is obtained after adjusting pH to 7；
It is 1 to be added in into the first mixture with ginseng residue's weight ratio:The food-grade fire resistant alpha-diastase of the 2% of 50 and
The second mixture is formed after 2% food-grade alkali protease, and the second mixture is carried out with the mixing speed of 350r/min
Stirring, 3.5h is digested under 62 DEG C of temperature environment；
By adding in food grade hydrochloric acid into the second mixture, after the pH to 4 for adjusting the second mixture after stirring enzymolysis
Addition is 3 with ginseng residue's weight ratio:100 carbohydrase continues to digest 3h；
Ginseng residue's mixture after enzymolysis at a temperature of 98 DEG C is boiled into 25min postcoolings, is then centrifuged successively
And it filters and obtains filter residue；
Filter residue washs 4 times through 95% food-grade ethanol；
Filter residue is crushed after drying to constant weight under 62 DEG C of temperature environment, is then 120 by the mesh size of sieve
Purpose sieving machine carries out second obtaining ginseng insoluble dietary fiber after sieving.
It is centrifuged and is filtered successively after ginseng insoluble dietary fiber is boiled 23min at a temperature of 99 DEG C
To filtrate；
After filtrate is concentrated under reduced pressure, it is 4 to add in filtrate volume ratio:It is mixed that the 3rd is obtained after 1 absolute ethyl alcohol mixing
Close object；
3rd mixture is precipitated into 4.2h at room temperature, suction filtration obtains ginseng floccule；
Ginseng soluble dietary fiber is obtained after ginseng floccule is crushed after drying to constant weight；
Ginseng insoluble dietary fiber is mixed with ginseng soluble dietary fiber.
Experimental example 1
Using complete district's groups experimental design is randomized, 3 parts of ginseng dregs of a decoction are selected, every part of weight is 1000g, 3 parts of ginsengs
The dregs of a decoction carry out the preparation of food-grade ginseng dietary fiber by way of the offer of embodiment 1, embodiment 2 and embodiment 3 respectively,
Ginseng insoluble dietary fiber weight, ginseng soluble dietary fiber weight and the food-grade ginseng meals obtained are fine
The weight of dimension.
Obtain result as shown in Table 1：
Table 1：
It was proved that the preparation method of the food-grade ginseng dietary fiber provided by embodiment 1, obtains insoluble
Ginseng dietary fiber yield reaches 50%, and soluble ginseng dietary fiber yield reaches 15%.And by embodiment 1 to 3
The weight of ginseng food-grade ginseng dietary fiber obtained is more than 60% in any one embodiment.Compare the prior art《It is high
Quality ginseng dietary fiber reparation technology optimizes and its research of functional characteristic》(Fan Hong show high-quality ginseng dietary fibers are produced
Research [D] the Jilin Agriculture Universities of process optimization and its functional characteristic, 2013.) in table 3-7, common ginseng diet fiber product
Soluble ginseng dietary fiber yield 2.15%, present invention solubility ginseng dietary fiber extraction yield can reach 15%, be better than
Common ginseng diet fiber product.
In conclusion the preparation method of food-grade ginseng dietary fiber provided in an embodiment of the present invention is low with cost of material
The advantages of honest and clean, reagent Environmental Safety, good product extraction effect, and ginseng dietary fiber provided in an embodiment of the present invention, have
The characteristics of cost is relatively low, edible safety is high.
Embodiments described above is part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of preparation method of food-grade ginseng dietary fiber, which is characterized in that including：
Centrifuged successively after ginseng residue's mixture after enzymolysis is boiled 20~25min at a temperature of 98~100 DEG C and
Suction filtration obtains filter residue and filtrate；
Filter residue is crushed after drying to constant weight and obtains ginseng insoluble dietary fiber；
After filtrate is concentrated under reduced pressure, it is 4 to add in filtrate volume ratio:The 3rd mixture is obtained after 1 absolute ethyl alcohol mixing；
3rd mixture is precipitated into 4~4.5h at room temperature, suction filtration obtains ginseng floccule；
Ginseng floccule is crushed after drying to constant weight and obtains ginseng soluble dietary fiber；
Ginseng insoluble dietary fiber is mixed with ginseng soluble dietary fiber.
2. the preparation method of food-grade ginseng dietary fiber according to claim 1, which is characterized in that the ginseng after enzymolysis
Slag is prepared by the following method to obtain：
It is 1 by solid-liquid ratio:20~30 ginseng residue obtains the first mixture after adjusting pH to 7~8.5 after being mixed with distilled water；
It is 1 to be added in into the first mixture with ginseng residue's weight ratio:The food-grade fire resistant alpha-diastase of the 2% of 50 and 2%
Food-grade alkali protease after form the second mixture, and enzymolysis is stirred to the second mixture；
It is added after adjusting the pH to 4~5 of the second mixture after stirring enzymolysis and ginseng residue's weight ratio is 3:100 carbohydrase after
Continuous enzymolysis.
3. the preparation method of food-grade ginseng dietary fiber according to claim 2, which is characterized in that ginseng residue is to pass through
After the ginseng dregs of a decoction and distilled water are mixed 2~3h, carry out centrifugal treating, then at a temperature of 60~62 DEG C drying 45~
50h, using obtained after crushing and sieving for the first time.
4. the preparation method of food-grade ginseng dietary fiber according to claim 3, which is characterized in that sieving for the first time is
It is carried out using sieving machine, and the mesh size of the sieve of sieving machine is 80 mesh.
5. the preparation method of food-grade ginseng dietary fiber according to claim 1, which is characterized in that the second mixture
Mixing speed is 300~350r/min, and for 60~62 DEG C, the time of the second mixture enzymolysis is the temperature of the second mixture enzymolysis
3~3.5h.
6. the preparation method of food-grade ginseng dietary fiber according to claim 1, which is characterized in that filter residue is being dried to
It further includes before constant weight with the ethyl alcohol that volume fraction is 95% to residue washing 3~4 times.
7. the preparation method of food-grade ginseng dietary fiber according to claim 5, which is characterized in that filter residue and ginseng wadding
The drying of shape object is carried out respectively using dryer, and the temperature of dryer is disposed as 60~62 DEG C.
8. the preparation method of food-grade ginseng dietary fiber according to claim 1, which is characterized in that by drying to constant weight
It crushes afterwards and obtains ginseng insoluble dietary fiber and crush after drying to constant weight to obtain the progress of ginseng soluble dietary fiber
Second of sieving.
9. the preparation method of food-grade ginseng dietary fiber according to claim 8, which is characterized in that sieving for the second time is
It is carried out using sieving machine, and the mesh size of the sieve of sieving machine is 120 mesh.
10. a kind of food-grade ginseng dietary fiber, which is characterized in that pass through the food-grade any one of claim 1-9
The preparation method of ginseng dietary fiber is made.
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