CN107397231A - A kind of extracting method of sunflower seed shell insoluble diedairy fiber - Google Patents
A kind of extracting method of sunflower seed shell insoluble diedairy fiber Download PDFInfo
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- CN107397231A CN107397231A CN201710733519.4A CN201710733519A CN107397231A CN 107397231 A CN107397231 A CN 107397231A CN 201710733519 A CN201710733519 A CN 201710733519A CN 107397231 A CN107397231 A CN 107397231A
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- sunflower seed
- filter residue
- seed shell
- insoluble diedairy
- diedairy fiber
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000000835 fiber Substances 0.000 title claims abstract description 39
- 235000013325 dietary fiber Nutrition 0.000 claims abstract description 17
- 238000010306 acid treatment Methods 0.000 claims abstract description 13
- 239000003513 alkali Substances 0.000 claims abstract description 13
- 238000009835 boiling Methods 0.000 claims abstract description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 9
- 235000013305 food Nutrition 0.000 claims abstract description 4
- 102000004190 Enzymes Human genes 0.000 claims description 24
- 108090000790 Enzymes Proteins 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 12
- 108091005804 Peptidases Proteins 0.000 claims description 6
- 239000004365 Protease Substances 0.000 claims description 6
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000004382 Amylase Substances 0.000 claims description 4
- 102000013142 Amylases Human genes 0.000 claims description 4
- 108010065511 Amylases Proteins 0.000 claims description 4
- 235000019418 amylase Nutrition 0.000 claims description 4
- 235000012054 meals Nutrition 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 238000004108 freeze drying Methods 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 206010010774 Constipation Diseases 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 5
- 235000005911 diet Nutrition 0.000 abstract description 4
- 230000037213 diet Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 210000000936 intestine Anatomy 0.000 abstract description 3
- 230000008855 peristalsis Effects 0.000 abstract description 3
- 230000002255 enzymatic effect Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 235000017550 sodium carbonate Nutrition 0.000 abstract 1
- 229940088598 enzyme Drugs 0.000 description 21
- 239000000047 product Substances 0.000 description 8
- 238000011084 recovery Methods 0.000 description 8
- 239000011734 sodium Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
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- 241000196324 Embryophyta Species 0.000 description 2
- 229920001503 Glucan Polymers 0.000 description 2
- 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 2
- 241000208818 Helianthus Species 0.000 description 2
- 235000003222 Helianthus annuus Nutrition 0.000 description 2
- 102000004157 Hydrolases Human genes 0.000 description 2
- 108090000604 Hydrolases Proteins 0.000 description 2
- 208000008589 Obesity Diseases 0.000 description 2
- 230000013872 defecation Effects 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
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- 239000004375 Dextrin Substances 0.000 description 1
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- 206010020772 Hypertension Diseases 0.000 description 1
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- 208000034189 Sclerosis Diseases 0.000 description 1
- LPQOADBMXVRBNX-UHFFFAOYSA-N ac1ldcw0 Chemical compound Cl.C1CN(C)CCN1C1=C(F)C=C2C(=O)C(C(O)=O)=CN3CCSC1=C32 LPQOADBMXVRBNX-UHFFFAOYSA-N 0.000 description 1
- 102000004139 alpha-Amylases Human genes 0.000 description 1
- 108090000637 alpha-Amylases Proteins 0.000 description 1
- 229940024171 alpha-amylase Drugs 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
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- 150000001720 carbohydrates Chemical class 0.000 description 1
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- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000006694 eating habits Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001976 enzyme digestion Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
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- 230000007574 infarction Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 201000002313 intestinal cancer Diseases 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
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- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical class [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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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
- A23L33/24—Cellulose or derivatives thereof
-
- 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
Landscapes
- Life Sciences & Earth Sciences (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 invention belongs to food processing field, and in particular to a kind of extracting method of sunflower seed shell insoluble diedairy fiber.Using sunflower seed shell as raw material, by crushing enzymolysis acid treatment soda ash extraction acid, alkali process dehydrates crushing finished product, and insoluble diedairy fiber is finally made.The present invention is used as the source of dietary fiber using sunflower seed shell, not only cheap but also be advantageous to the deep processing of agricultural product and the processing of discarded object, while is also that new approach is opened up in the comprehensive utilization of sunflower seeds.The method that the present invention is combined using zymotechnic and chemical treatment, had both remained the characteristics of enzymatic isolation method technique is simple, yield is high, while was boiled by soda boiling and acid, and the insoluble diedairy fiber of extraction has been further purified, ensure that purity and yield.Insoluble diedairy fiber that the present invention develops is in good taste, is easily accepted by, and product of the present invention, which is added in diet, can promote intestines peristalsis, effective relief of constipation.
Description
Technical field
The invention belongs to food processing field, and in particular to a kind of extracting method of sunflower seed shell insoluble diedairy fiber.
Background technology
Dietary fiber refers to can not be by plant cell, polysaccharide, lignin and other things that human endogenous's enzymic digestion absorbs
Matter summation.Dietary fiber has important physiological function, can effectively reduce and prevent coronary heart disease, diabetes, hypertension, heart and brain blood
The generation of the diseases such as pipe disease, obesity, miocardial infarction, artery sclerosis, colitis, constipation and bowel cancer, referred to as after water, albumen
" the seventh-largest nutrient " outside matter, fat, carbohydrate, mineral matter, vitamin.With constantly carrying for people's living standard
Height, there occurs great changes, the situation that cellulose is lacked in meals is on the rise eating habit, causes obesity, diabetes, hat
Worry etc. " rich man's disease " is more and more common, thus the importance of dietary fiber highlight all the more it is important.It is deliquescent not according to its
Together, water-soluble dietary fiber and the major class of insoluble diedairy fiber two can be divided into.Insoluble diedairy fiber main component be cellulose,
Hemicellulose, lignin, protopectin and chitosan etc., its close structure, it is impossible to utilized by enteric microorganism, it acts on main
Show promotion intestines peristalsis.
The method of extraction dietary fiber has hot water formulation, chemical method, enzyme process etc. at present.Hot water formulation technique is simple, but carries
Take rate not high；The dietary fiber quality of chemical reaction flows is relatively preferable, but recovery rate is relatively low；Enzyme formulation technique is simple, produces
Fiber fineness is good but cost is higher.Sunflower seeds industry is long in Chinese history, and the main place of production of Chinese sunflower and sunflower seeds is interior
Your city of Mongolian Bayan, in addition northern various regions Xinjiang, Gansu, Shaanxi, three provinces in the northeast of China, Hebei, Shandong etc. produce, south also has
A small amount of sunflower seeds base distribution, but majority is used as the snacks that extract oil or be made, the yield of sunflower seed shell is huge but utilizes
Rate is but very low, meanwhile, not yet there is the report that insoluble diedairy fiber is extracted from sunflower seed shell.
The content of the invention
, should the invention provides a kind of method that insoluble diedairy fiber is extracted from sunflower seed shell for problem above
The method that method is combined using zymotechnic and chemical treatment, simple to operate, the insoluble diedairy fiber extracted using the method
Product purity and yield all get a promotion, and improve the value of sunflower seed shell.
For achieving the above object, the present invention takes following technical scheme：
A kind of extracting method of sunflower seed shell insoluble diedairy fiber, preparation method are as follows：
1) sunflower seed shell is taken, 30-60 mesh sieves were dry, pulverize after cleaning, it is standby；
2) 10-20 times of water of sunflower seed powder volume is added into sunflower seed shell powder, adjusts pH 4.0-6.0, adds enzyme,
20-80min is digested under the Ultrasonic Conditions of 30-40 DEG C of temperature, filters to obtain filter residue A；
3) take filter residue A to add the 0.35%HCl of 20-30 times of volume of filter residue, handle 2h, filtering, filter residue is obtained after being rinsed with water
B；
4) filter residue B is taken, adds the 5%Na of 20-30 times of volume of filter residue2CO3, 1-2h is stood at 30-50 DEG C, filters, must filter
Slag C；
5) after to gained filter residue C carries out alkali process and acid treatment respectively in step (4), filtering, filter residue D is obtained；
6) filter residue D is washed and centrifuges 8-12min after 4000r/min, must precipitated, through drying, crushed, produce insoluble meals
Eat fiber.
Further, the enzyme amount added in the step (2) is the 2-6% of sunflower seed shell powder weight, and the enzyme forms sediment for a-
Any two in powder enzyme, protease, glucuroide, its mass ratio are (1：2)-(2：1).
Alpha-amylase, systematic name are Isosorbide-5-Nitrae-α-D- glucan glucan hydrolases, can with α -1 inside hydrolysis starch,
4- glycosidic bonds, hydrolysate are dextrin, oligosaccharide and monose, after enzyme effect the viscosity of gelatinized starch can be made to reduce rapidly, become
Liquefying starch.
Protease is the general name of the class of enzymes of aminosal peptide chain, energy catalytic proteins and more hydrolase polypeptides, is widely present
In pluck, plant stem-leaf, fruit and microorganism.
Glucuroide is the big fermentoid in glycoside hydrolase extended familys, and major function is hydrolyzation of glucose glycosidic bond, is released
Glucose is released as product, is class of enzymes indispensable in organism glycometabolism approach.
Further, alkali process is to add the 1-2%NaOH, soda boiling 20- of 20-30 times of volume of filter residue in the step (5)
50min；To add the 1-2%HCl of 20-30 times of volume of filter residue, acid boils 20-50min for the acid treatment.
Soluble dietary fiber can be further dissolved by adding NaOH, insoluble diedairy fiber is separated, it
Unnecessary NaOH can be neutralized by adding HCl afterwards, further dissolve soluble dietary fiber.Dietary fiber can be improved through this two step
Purity.
Further, dried described in the step (6) as freeze-drying or vacuum drying.
A kind of sunflower seed shell dietary fiber, the sunflower seed shell insoluble diedairy fiber are from sunflower seeds by methods described
Extract and be made in shell.
Further, application of the sunflower seed shell insoluble diedairy fiber in fried food, bakery.
Beneficial effects of the present invention：
1. sunflower seed shell annual output has 700,000 tons or so, wherein cellulose mass fraction is about 50%, using it as not
The source of soluble dietary fiber, it is not only cheap but also be advantageous to the deep processing of agricultural product and the processing of discarded object, while be also sunflower
New approach is opened up in the comprehensive utilization of seed.
2. the present invention using zymotechnic and the method that is combined of chemical treatment, had both remained, enzymatic isolation method technique was simple, yield
The characteristics of high, while boiled by soda boiling and acid, the insoluble diedairy fiber of extraction has been further purified, ensure that the purity of extraction
And yield.
3. insoluble diedairy fiber that the present invention develops is in good taste, is easily accepted by, product of the present invention is added to daily
Intestines peristalsis, effective relief of constipation can be promoted in diet.
Embodiment
To enable those skilled in the art to more fully understand technical scheme, with reference to embodiment to this
Inventive technique scheme is described in detail.
Material therefor, reagent etc. in following embodiments, unless otherwise specified, are commercially obtained.
Embodiment 1
A kind of extracting method of sunflower seed shell insoluble diedairy fiber, preparation method are as follows：
1) sunflower seed shell is taken, 30-60 mesh sieves were dry, pulverize after cleaning, it is standby；
2) 10-20 times of water of sunflower seed powder volume is added into sunflower seed shell powder, adjusts pH 4.0-6.0, enzyme is added, adds
The enzyme amount entered is the 2% of sunflower seed shell part weight, and the enzyme is a- amylase and protease, and its mass ratio is 1：2, in temperature 30
DEG C Ultrasonic Conditions under digest 20min, filter to obtain filter residue A；
3) take filter residue A to add the 0.35%HCl of 20-30 times of volume of filter residue, handle 2h, filtering, filter residue is obtained after being rinsed with water
B；
4) filter residue B is taken, adds the 5%Na of 20-30 times of volume of filter residue2CO3, 1-2h is stood at 30-50 DEG C, filters, must filter
Slag C；
5) alkali process and acid treatment are carried out respectively to gained filter residue C in step (4), the alkali process is addition filter residue 20-
The 1%NaOH of 30 times of volumes, soda boiling 20min；To add the 1%HCl of 20-30 times of volume of filter residue, acid boils for the acid treatment
20min, filtering, obtains filter residue D；
6) filter residue D is washed and centrifuges 8-12min after 4000r/min, must precipitated, freeze-dried, crushing, produced insoluble
Property dietary fiber.
Embodiment 2
A kind of extracting method of sunflower seed shell insoluble diedairy fiber, preparation method are as follows：
1) sunflower seed shell is taken, 30-60 mesh sieves were dry, pulverize after cleaning, it is standby；
2) 10-20 times of water of sunflower seed powder volume is added into sunflower seed shell powder, adjusts pH 4.0-6.0, enzyme is added, adds
The enzyme amount entered is the 4% of sunflower seed shell part weight, and the enzyme is glucuroide and protease, and its mass ratio is 5:7, in temperature
50min is digested under 35 DEG C of Ultrasonic Conditions, filters to obtain filter residue A
3) take filter residue A to add the 0.35%HCl of 20-30 times of volume of filter residue, handle 2h, filtering, filter residue is obtained after being rinsed with water
B；
4) filter residue B is taken, adds the 5%Na of 20-30 times of volume of filter residue2CO3, 1-2h is stood at 30-50 DEG C, filters, must filter
Slag C；
5) alkali process and acid treatment are carried out respectively to gained filter residue C in step (4), the alkali process is addition filter residue 20-
The 1%NaOH of 30 times of volumes, soda boiling 35min；To add the 1%HCl of 20-30 times of volume of filter residue, acid boils for the acid treatment
35min, filtering, obtains filter residue D；
6) filter residue D is washed and centrifuges 8-12min after 4000r/min, must precipitated, freeze-dried, crushing, produced insoluble
Property dietary fiber.
Embodiment 3
A kind of extracting method of sunflower seed shell insoluble diedairy fiber, preparation method are as follows：
1) sunflower seed shell is taken, 30-60 mesh sieves were dry, pulverize after cleaning, it is standby；
2) 10-20 times of water of sunflower seed powder volume is added into sunflower seed shell powder, adjusts pH 4.0-6.0, enzyme is added, adds
The enzyme amount entered is the 5% of sunflower seed shell part weight, and the enzyme is a- amylase and glucuroide, and its mass ratio is 1：1, in temperature
70min is digested under the Ultrasonic Conditions of 38 DEG C of degree, filters to obtain filter residue A；
3) take filter residue A to add the 0.35%HCl of 20-30 times of volume of filter residue, handle 2h, filtering, filter residue is obtained after being rinsed with water
B；
4) filter residue B is taken, adds the 5%Na of 20-30 times of volume of filter residue2CO3, 1-2h is stood at 30-50 DEG C, filters, must filter
Slag C；
5) alkali process and acid treatment are carried out respectively to gained filter residue C in step (4), the alkali process is addition filter residue 20-
The 2%NaOH of 30 times of volumes, soda boiling 35min；To add the 2%HCl of 20-30 times of volume of filter residue, acid boils for the acid treatment
35min, filtering, obtains filter residue D；
6) filter residue D is washed and centrifuges 8-12min after 4000r/min, must precipitated, vacuum dried, crushing, produced insoluble
Property dietary fiber.
Embodiment 4
A kind of extracting method of sunflower seed shell insoluble diedairy fiber, preparation method are as follows：
1) sunflower seed shell is taken, 30-60 mesh sieves were dry, pulverize after cleaning, it is standby；
2) 10-20 times of water of sunflower seed powder volume is added into sunflower seed shell powder, adjusts pH 4.0-6.0, enzyme is added, adds
The enzyme amount entered is the 6% of sunflower seed shell powder weight, and the enzyme is protease and glucuroide, and its mass ratio is 2：1, in temperature
80min is digested under 40 DEG C of Ultrasonic Conditions, filters to obtain filter residue A；
3) take filter residue A to add the 0.35%HCl of 20-30 times of volume of filter residue, handle 2h, filtering, filter residue is obtained after being rinsed with water
B；
4) filter residue B is taken, adds the 5%Na of 20-30 times of volume of filter residue2CO3, 1-2h is stood at 30-50 DEG C, filters, must filter
Slag C；
5) alkali process and acid treatment are carried out respectively to gained filter residue C in step (4), the alkali process is addition filter residue 20-
The 2%NaOH of 30 times of volumes, soda boiling 50min；To add the 2%HCl of 20-30 times of volume of filter residue, acid boils for the acid treatment
50min, filtering, obtains filter residue D；
6) filter residue D is washed and centrifuges 8-12min after 4000r/min, must precipitated, vacuum dried, crushing, produced insoluble
Property dietary fiber.
Experimental result detects
The recovery rate and purity of the insoluble diedairy fiber extracted in each embodiment are measured respectively.It the results are shown in Table 1.
Wherein：Recovery rate/%=product qualities/material quality * 100%
Purity/insoluble diedairy fiber quality/product quality * 100% contained by %=products
The assay method of insoluble diedairy fiber uses neutral detergent method in product.It is accurate weigh sample 0.20~
0.25g is placed in conical flask.Add distilled water 45mL in the conical flask equipped with sample, after being heated to boiling, be placed in 100 DEG C of water-baths
Heat 20min.After being cooled to room temperature, addition mass fraction is 5% amylase solution 5mL, and 50 DEG C of waters bath with thermostatic control are placed in after shaking up and are shaken
Swing and 90min is incubated in device.100mL neutral detergents, 2mL naphthalanes and 0.5g anhydrous sodium sulfites are added into conical flask successively,
Bottleneck loads onto condenser pipe, heats conical flask, is allowed to seethe with excitement in 5~10min, when micro-boiling timing, accurate micro-boiling 1h.
Clean sand core funnel is put into drier after being placed in 110 DEG C of baking ovens dry 4h, and its quality is claimed after cooling, until quality is permanent
It is fixed.Entire contents in conical flask are moved into funnel, filters to doing, divides 3~5 washings residual with the boiling water no less than 300mL
Slag.Clog the bottom of funnel with rubber stopper, add 20mL acetone, after 10min, remove bottom stopper, filter, add 5mL
Acetone washs, and drains filter.With 200mL0.1mol/LHAc solution by several times washing residue, then with 300mL hot water by several times wash it is residual
Slag, drain filter.Funnel is dried overnight in 110 DEG C of baking ovens, drier is moved into and is cooled to room temperature, claim its quality.
Insoluble diedairy fiber quality=funnel and residue quality-funnel quality
Insoluble diedairy fiber recovery rate and purity obtained by the embodiment 1-4 of table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Recovery rate/% | 40 | 47 | 44 | 43 |
| Purity/% | 84 | 97 | 87 | 92 |
As shown in Table 1, embodiment 1-4 recovery rate scope is 40-47%, can reach a higher recovery rate, and
Purity is preferable, is 84-97%.The wherein recovery rate of embodiment 2 and the equal highest of purity, for the preferred plan of the present invention.
Application example
The volunteer of 80 28-45 year is chosen, 5 groups is randomly divided into, every group of 20 people, adds appropriate sheet in the diet respectively
2 made insoluble diedairy fiber of inventive embodiments, remaining diet do as usual, and observe the effect after taking, are shown in Table 2.
Effect of the sunflower seed shell insoluble diedairy fiber of table 2 to constipation patient
As shown in Table 2, after taking sunflower seed shell insoluble diedairy fiber, the number of 1-2 days defecations is by 2 people in 80 patients
23 people are increased to, defecation number significantly reduces within 5-7 days, illustrates that the present invention being capable of effective relief of constipation.And patient takes to the present invention
Do not occur malaise symptoms with process each side, acceptance is higher.
Claims (6)
1. a kind of extracting method of sunflower seed shell insoluble diedairy fiber, it is characterised in that preparation method is as follows：
(1) sunflower seed shell is taken, 30-60 mesh sieves were dry, pulverize after cleaning, it is standby；
(2) 10-20 times of water of sunflower seed powder volume is added into sunflower seed shell powder, adjusts pH 4.0-6.0, enzyme is added, in temperature
20-80min is digested under 30-40 DEG C of Ultrasonic Conditions, filters to obtain filter residue A；
(3) take filter residue A to add the 0.35%HCl of 20-30 times of volume of filter residue, handle 2h, filtering, filter residue B is obtained after being rinsed with water；
(4) filter residue B is taken, adds the 5%Na of 20-30 times of volume of filter residue2CO3, 1-2h is stood at 30-50 DEG C, filters, obtains filter residue
C；
(5) after to gained filter residue C carries out alkali process and acid treatment respectively in step (4), filtering, filter residue D is obtained；
(6) filter residue D is washed and centrifuges 8-12min after 4000r/min, must precipitated, through drying, crushed, produce insoluble meals
Fiber.
2. the extracting method of a kind of sunflower seed shell insoluble diedairy fiber according to claim 1, it is characterised in that described
The enzyme amount added in step (2) is the 2-6% of sunflower seed shell powder weight, and the enzyme is a- amylase, protease, glucuroide
In any two, its mass ratio be (1：2)-(2：1).
3. the extracting method of a kind of sunflower seed shell insoluble diedairy fiber according to claim 1, it is characterised in that described
Alkali process is to add the 1-2%NaOH, soda boiling 20-50min of 20-30 times of volume of filter residue in step (5)；Acid treatment is addition filter residue
The 1-2%HCl of 20-30 times of volume, acid boil 20-50min.
4. the extracting method of a kind of sunflower seed shell insoluble diedairy fiber according to claim 1, it is characterised in that described
Dried described in step (6) as freeze-drying or vacuum drying.
5. a kind of sunflower seed shell dietary fiber, it is characterised in that the sunflower seed shell insoluble diedairy fiber is will by right
Ask 1 methods described to extract from sunflower seed shell to be made.
6. application of the sunflower seed shell insoluble diedairy fiber in fried food, bakery according to claim 5.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112586678A (en) * | 2020-12-23 | 2021-04-02 | 中华全国供销合作总社南京野生植物综合利用研究所 | Bamboo shoot dried meat floss and processing technology thereof |
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| CN112586678A (en) * | 2020-12-23 | 2021-04-02 | 中华全国供销合作总社南京野生植物综合利用研究所 | Bamboo shoot dried meat floss and processing technology thereof |
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