CN105747237A - Method for preparing microcrystalline cellulose of asparagus by applying asparagus stalks - Google Patents
Method for preparing microcrystalline cellulose of asparagus by applying asparagus stalks Download PDFInfo
- Publication number
- CN105747237A CN105747237A CN201610103295.4A CN201610103295A CN105747237A CN 105747237 A CN105747237 A CN 105747237A CN 201610103295 A CN201610103295 A CN 201610103295A CN 105747237 A CN105747237 A CN 105747237A
- Authority
- CN
- China
- Prior art keywords
- microcrystalline cellulose
- germinatus phragmitis
- asparagus
- raw material
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000168 Microcrystalline cellulose Polymers 0.000 title claims abstract description 54
- 235000019813 microcrystalline cellulose Nutrition 0.000 title claims abstract description 54
- 239000008108 microcrystalline cellulose Substances 0.000 title claims abstract description 51
- 229940016286 microcrystalline cellulose Drugs 0.000 title claims abstract description 51
- 241000234427 Asparagus Species 0.000 title claims abstract description 49
- 235000005340 Asparagus officinalis Nutrition 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 49
- 238000009835 boiling Methods 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 13
- 238000005903 acid hydrolysis reaction Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 108091005804 Peptidases Proteins 0.000 claims abstract description 8
- 239000004365 Protease Substances 0.000 claims abstract description 8
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims abstract description 8
- 238000004061 bleaching Methods 0.000 claims abstract description 7
- 239000010902 straw Substances 0.000 claims description 42
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 102000004190 Enzymes Human genes 0.000 claims description 19
- 108090000790 Enzymes Proteins 0.000 claims description 19
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 8
- 238000001291 vacuum drying Methods 0.000 claims description 8
- 102000004169 proteins and genes Human genes 0.000 claims description 7
- 108090000623 proteins and genes Proteins 0.000 claims description 7
- 238000010298 pulverizing process Methods 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 6
- 241001237160 Kallima inachus Species 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 244000005700 microbiome Species 0.000 claims description 5
- 239000000447 pesticide residue Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims description 4
- 229930003268 Vitamin C Natural products 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 235000010265 sodium sulphite Nutrition 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 235000019154 vitamin C Nutrition 0.000 claims description 4
- 239000011718 vitamin C Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007844 bleaching agent Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 6
- 235000010980 cellulose Nutrition 0.000 abstract description 5
- 229920002678 cellulose Polymers 0.000 abstract description 5
- 239000001913 cellulose Substances 0.000 abstract description 5
- 235000013305 food Nutrition 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 abstract 1
- 102100022624 Glucoamylase Human genes 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 239000008187 granular material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229920002488 Hemicellulose Polymers 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 241000218978 Populus deltoides Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009967 tasteless effect Effects 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- 241000186216 Corynebacterium Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 235000015872 dietary supplement Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 239000005417 food ingredient Substances 0.000 description 1
- 235000013376 functional food Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 201000010260 leiomyoma Diseases 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention belongs to the field of food processing, and particularly discloses a method for preparing microcrystalline cellulose of asparagus by applying asparagus stalks. The method is characterized by comprising the following steps of: adopting the asparagus stalks as raw materials, cleaning, airing, drying, carrying out enzymolysis with glucoamylase, carrying out enzymolysis with protease, boiling with alkaline, carrying out acid hydrolysis, bleaching washing, centrifugally dewatering, crushing, pressing into a block and packaging into a finished product. The product made of the asparagus stalks has the property of cellulose, and can be used for producing the microcrystalline cellulose, so that the waste of the asparagus stalks is prevented, the environmental pollution is avoided, and the utilization value of the asparagus stalks is utilized in a comprehensive manner. The method disclosed by the invention has the advantages that not only is the economic benefit increased, but also certain reference is provided for deep processing and reasonable utilization of the current asparagus stalk resources in China.
Description
Technical field
The invention belongs to food processing field, particularly to a kind of method using asparagus straws to prepare Germinatus Phragmitis microcrystalline Cellulose.
Background technology
Microcrystalline Cellulose is the cellulose of a kind of purification, part depolymerization, white, odorless, tasteless, the crystalline powder being made up of small porous particle.Microcrystalline Cellulose (cellulosemicrociystalline), is mainly composed of the straight chain formula polysaccharose substance combined with β-Isosorbide-5-Nitrae-glucoside bond.The degree of polymerization is about 3000～10000 glucose molecules.In general Plant fiber, microcrystalline Cellulose accounts for 73%, and another 30% is amorphous cellulose.Microcrystalline Cellulose (Microcrystallinecellulose, MCC) it is native cellulose through the free flowable imperceptible corynebacterium of dilute acid hydrolysis to levelling off degree of polymerization (LOOP) or powdery porous shape granule, color is white or near-white, odorless, tasteless, granular size is typically in 20-80Lm, and levelling off degree of polymerization (LODP) is at 15-375；Do not have fibroid and mobility is extremely strong.Water insoluble, diluted acid, organic solvent and oils and fats, be partly dissolved in dilute alkaline soln, moisten and rise, have higher reactivity worth in carboxy methylation, acetylation, esterification process.Owing to having the special nature such as low degree and bigger specific surface area, microcrystalline Cellulose is widely used in medicine, light industry industry.
Additionally, MCC is also widely used for food industry and cosmetics industry.In food industry, MCC can make important functional food ingredient dietary cellulose, is a kind of desirably food supplement.The cellulosic component taking the photograph people owing to microcrystalline Cellulose is daily with people is identical, and it is regarded as a kind of safe and reliable food additive in the world.It is the extremely valuable novel product of one, and has been applied to the fields such as medical and health, food industry, light industry industry.Mainly utilize at present abroad rice husk core, beet pulp, bagasse and corncob waste material, orange peel, Pericarppium arachidis hypogaeae, Fructus Luffae, India bamboo etc. to prepare microcrystalline Cellulose, domestic mainly prepare microcrystalline Cellulose with Populus deltoides pulp for raw material, relatively costly.
At present, nearly 1,500,000 mu of the planting asparagus area in the whole nation, account for the 90% of world's cultivated area, for world's planting asparagus the first big country.The edible part asparagus spear of Germinatus Phragmitis only accounts for 23.5%, and all the other stem stalk major parts of 76.5% are taken as garbage to be allowed to rot, or on-site incineration, causes ample resources waste and environmental pollution.Preparing microcrystalline Cellulose with asparagus straws for raw material herein, cost is low, high efficiency, efficiently solves the recycling of asparagus straws, it helps eliminates and burns the asparagus straws adverse effect to ecological environment.
Summary of the invention
The present invention is for making up prior art deficiency, it is provided that a kind of method that utilization asparagus straws with low cost, that technique is simple, production efficiency is high prepares Germinatus Phragmitis microcrystalline Cellulose.
The present invention is achieved through the following technical solutions:
A kind of method using asparagus straws to prepare Germinatus Phragmitis microcrystalline Cellulose, it is characterized in that: with asparagus straws for raw material, cleaned, dry in the sun, dry, saccharifying enzyme enzymolysis, protease hydrolyzed, soda boiling, acid hydrolysis, bleaching washing, centrifuge dehydration, pulverizing, briquetting, packed products；Detailed step is as follows:
(1) clean: the straw choosing the fresh Germinatus Phragmitis of high-quality is raw material, and raw material is carried out washing stringency, to remove the microorganism of raw material surface attachment, sand, dead leaf and part pesticide residues to ensure the stability of product quality；
(2) dry in the sun: the asparagus straws after cleaning is placed on ventilation and dries, and should not tan by the sun in the sun；
(3) dry: by the asparagus straws microwave vacuum drying after dry in the sun；
(4) saccharifying enzyme enzymolysis；
(5) protease hydrolyzed；
(6) soda boiling: the raw material after enzymolysis is put into sodium hydroxide and carried out soda boiling, obtains crude fibre；
(7) acid hydrolysis: crude fibre adds hydrochloric acid solution and is hydrolyzed；
(8) bleaching washing: bleach with hydrogen peroxide after acid hydrolysis, removes pigment, and then rinsing is to neutral；
(9) centrifuge dehydration: with centrifuge, the free moisture in Germinatus Phragmitis slip is removed, become the base substrate with some strength；
(10) pulverize: adopt dry pulverization process；
(11) briquetting: utilize briquetting forming machine, obtains Germinatus Phragmitis microcrystalline Cellulose compound stalk forming by extraction；
(12) packed products: the Germinatus Phragmitis microcrystalline Cellulose through briquetting is packed, packed products.
The Germinatus Phragmitis microcrystalline Cellulose of the present invention, is made up of method of the present invention.
The invention has the beneficial effects as follows: the Germinatus Phragmitis microcrystalline Cellulose that the present invention produces, technique is simple, and production efficiency is high, and cost is low.Germinatus Phragmitis microcrystalline Cellulose product has cellulosic character, and can partly or entirely substitute Populus deltoides pulp is that raw material is prepared for cellulosic production.The microcrystalline Cellulose that asparagus straws is raw material is utilized to produce, it is therefore prevented that the waste of asparagus straws resource, it is to avoid environmental pollution, the comprehensive value that improve asparagus straws.Not only increase economic benefit, additionally it is possible to reasonably utilize asparagus straws resource.The invention solves the recycling of asparagus straws, eliminate the burning asparagus straws adverse effect to ecological environment.
Detailed description of the invention
Embodiment 1
The preparation method of the Germinatus Phragmitis microcrystalline Cellulose of the present invention, it comprises the steps:
(1) clean: the straw choosing the fresh Germinatus Phragmitis of high-quality is raw material, and raw material is carried out washing stringency, to remove the microorganism of raw material surface attachment, sand, dead leaf and part pesticide residues to ensure the stability of product quality；
Add during cleaning the multivariate table surface-active agent of 0.2 ‰ of raw materials quality, the vitamin C of 0.9 ‰ and 0.3 ‰ citric acid, to improve clean effect, remove the copper in antibacterial and other heavy metal.
(2) dry in the sun: the asparagus straws after cleaning is placed on ventilation and dries, and should not tan by the sun in the sun；
(3) dry: the asparagus straws microwave vacuum drying that will dry, baking temperature is 55 DEG C, and dry 1.5h, vacuum is 550mmHg；Microwave vacuum drying has the advantages such as quick, efficient, low temperature.
(4) saccharifying enzyme enzymolysis: put into by raw material in the water containing saccharifying enzyme, hydrolysis temperature is 55 DEG C, and enzyme concentration is the 0.5% of material weight, and enzymolysis time is 2.0h.
(5) protease hydrolyzed: enzymolysis solution pH value 3.0, under enzyme concentration 6000 μ/g, is placed in 45 DEG C of waters bath with thermostatic control, stirs 9 hours, removes protein.
(6) soda boiling: the raw material after enzymolysis is put into sodium hydroxide and carries out soda boiling, wherein sodium hydroxide soda boiling liquid weight concentration is 3%, temperature 100 DEG C, time 2h, and the weight ratio of asparagus straws raw material and sodium hydroxide solution is 1:0.6.Purpose is the protein in removing raw material and hemicellulose, obtains crude fibre；
(7) acid hydrolysis: it is the hydrochloric acid solution of 2% that the crude fibre obtained after soda boiling adds weight concentration, is hydrolyzed 1h at 90 DEG C；The weight ratio of asparagus straws raw material and hydrochloric acid solution is 1:10；
(8) bleaching washing: with the H of weight concentration 2%2O2Solution processes 1h at 60 DEG C and bleaches, it is therefore an objective to remove pigment；And carry out rinsing to neutral with the sodium sulfite solution of weight concentration 2%, then wash with water 1-3 time.The weight ratio of asparagus straws raw material and hydrogen peroxide solution is 1:5.
(9) centrifuge dehydration: being removed by the free moisture in Germinatus Phragmitis slip with centrifuge, powder granule is deposited as the base substrate with some strength；
(10) pulverize: adopt dry pulverization process, between the movable fluted disc and fixed gear plate of high speed rotating by the impact of tooth, shearing, friction and storeroom mutual effect of impact under crushed, after 40 eye mesh screens screenings the powder of required Germinatus Phragmitis microcrystalline Cellulose；
(11) briquetting: utilize briquetting forming machine, obtains Germinatus Phragmitis microcrystalline Cellulose compound stalk forming by extraction；
(12) packed products: the Germinatus Phragmitis microcrystalline Cellulose through briquetting is packed, packed products.
The Germinatus Phragmitis microcrystalline Cellulose of the present invention, is made up of method of the present invention.
Embodiment 2
The preparation method of the Germinatus Phragmitis microcrystalline Cellulose of the present invention, it comprises the steps:
(1) clean: the straw choosing the fresh Germinatus Phragmitis of high-quality is raw material, and raw material is carried out washing stringency, to remove the microorganism of raw material surface attachment, sand, dead leaf and part pesticide residues to ensure the stability of product quality；
Add during cleaning the multivariate table surface-active agent of 0.1 ‰ of raw materials quality, the vitamin C of 0.8 ‰ and 0.2 ‰ citric acid, to improve clean effect, remove the copper in antibacterial and other heavy metal.
(2) dry in the sun: the asparagus straws after cleaning is placed on ventilation and dries, and should not tan by the sun in the sun；
(3) dry: the asparagus straws microwave vacuum drying that will dry, baking temperature is 50 DEG C, and dry 2h, vacuum is 500mmHg；Microwave vacuum drying has the advantages such as quick, efficient, low temperature.
(4) saccharifying enzyme enzymolysis: put into by raw material in the water containing saccharifying enzyme, hydrolysis temperature is 50 DEG C, and enzyme concentration is the 0.6% of material weight, and enzymolysis time is 1.5h.
(5) protease hydrolyzed: PH2.0, under enzyme concentration 5000 μ/g, is placed in 50 DEG C of waters bath with thermostatic control, stirs 10 hours, removes protein.
(6) soda boiling: the raw material after enzymolysis is put into sodium hydroxide and carries out soda boiling, wherein sodium hydroxide soda boiling liquid weight concentration is 2%, temperature 80 DEG C, time 2.5h, and the weight ratio of asparagus straws raw material and sodium hydroxide solution is 1:1.5.Purpose is the protein in removing raw material and hemicellulose, obtains crude fibre；
(7) acid hydrolysis: it is the hydrochloric acid solution of 1% that the crude fibre obtained after soda boiling adds weight, is hydrolyzed 1.5h at 80 DEG C；The weight ratio of asparagus straws raw material and hydrochloric acid solution is 1:9.
(8) bleaching washing: with the H of weight concentration 1.5%2O2Solution processes 1.5h at 55 DEG C and bleaches, and carries out rinsing to neutral with sodium sulfite solution and the water of weight concentration 2%, then washes with water 1-3 time.Purpose is to remove pigment；The weight ratio of asparagus straws raw material and hydrogen peroxide solution is 1:4.
(9) centrifuge dehydration: being removed by the free moisture in Germinatus Phragmitis slip with centrifuge, powder granule is deposited as the base substrate with some strength；
(10) pulverize: adopt dry pulverization process, between the movable fluted disc and fixed gear plate of high speed rotating by the impact of tooth, shearing, friction and storeroom mutual effect of impact under crushed, after 40 eye mesh screens screenings the powder of required Germinatus Phragmitis microcrystalline Cellulose；
(11) briquetting: utilize briquetting forming machine, obtains Germinatus Phragmitis microcrystalline Cellulose compound stalk forming by extraction；
(12) packed products: the Germinatus Phragmitis microcrystalline Cellulose through briquetting is packed, packed products.
The Germinatus Phragmitis microcrystalline Cellulose of the present invention, is made up of method of the present invention.
Embodiment 3
The preparation method of the Germinatus Phragmitis microcrystalline Cellulose of the present invention, it comprises the steps:
(1) clean: the straw choosing the fresh Germinatus Phragmitis of high-quality is raw material, and raw material is carried out washing stringency, to remove the microorganism of raw material surface attachment, sand, dead leaf and part pesticide residues to ensure the stability of product quality；
Add during cleaning the multivariate table surface-active agent of 0.3 ‰ of raw materials quality, the vitamin C of 1 ‰ and 0.4 ‰ citric acid, to improve clean effect, remove the copper in antibacterial and other heavy metal.
(2) dry in the sun: the asparagus straws after cleaning is placed on ventilation and dries, and should not tan by the sun in the sun；
(3) dry: the asparagus straws microwave vacuum drying that will dry, baking temperature is 60 DEG C, and dry 2h, vacuum is 600mmHg；Microwave vacuum drying has the advantages such as quick, efficient, low temperature.
(4) saccharifying enzyme enzymolysis: put into by raw material in the water containing saccharifying enzyme, hydrolysis temperature is 60 DEG C, and enzyme concentration is the 0.4% of material weight, and enzymolysis time is 2.5h.
(5) protease hydrolyzed: PH4.0, under enzyme concentration 7000 μ/g, is placed in 40 DEG C of waters bath with thermostatic control, stirs 8 hours, removes protein.
(6) soda boiling: the raw material after enzymolysis is put into sodium hydroxide and carries out soda boiling, wherein sodium hydroxide soda boiling liquid weight concentration is 4%, temperature 120 DEG C, time 1.5h, and the weight ratio of asparagus straws raw material and sodium hydroxide solution is 1:0.5.Purpose is the protein in removing raw material and hemicellulose, obtains crude fibre；
(7) acid hydrolysis: it is the hydrochloric acid solution of 3% that the crude fibre obtained after soda boiling adds weight concentration, is hydrolyzed 0.5h at 100 DEG C；The weight ratio of asparagus straws raw material and hydrochloric acid solution is 1:11.
(8) bleaching washing: with the H of weight concentration 2.5%2O2Solution processes 0.5h at 65 DEG C and bleaches, it is therefore an objective to remove pigment；And carry out rinsing to neutral with the sodium sulfite solution of weight concentration 2.5%, then wash with water 1-3 time.The weight ratio of asparagus straws raw material and hydrogen peroxide solution is 1:6.
(9) centrifuge dehydration: being removed by the free moisture in Germinatus Phragmitis slip with centrifuge, powder granule is deposited as the base substrate with some strength；
(10) pulverize: adopt dry pulverization process, between the movable fluted disc and fixed gear plate of high speed rotating by the impact of tooth, shearing, friction and storeroom mutual effect of impact under crushed, after 40 eye mesh screens screenings the powder of required Germinatus Phragmitis microcrystalline Cellulose；
(11) briquetting: utilize briquetting forming machine, obtains Germinatus Phragmitis microcrystalline Cellulose compound stalk forming by extraction；
(12) packed products: the Germinatus Phragmitis microcrystalline Cellulose through briquetting is packed, packed products.
The Germinatus Phragmitis microcrystalline Cellulose of the present invention, is made up of method of the present invention.
Claims (10)
1. the preparation method of a Germinatus Phragmitis microcrystalline Cellulose, it is characterised in that: with fresh asparagus straws for raw material, sequentially pass through following steps:
(1) clean: the straw choosing the fresh Germinatus Phragmitis of high-quality is raw material, and raw material is carried out washing stringency, to remove the microorganism of raw material surface attachment, sand, dead leaf and part pesticide residues to ensure the stability of product quality；
(2) dry in the sun: the asparagus straws after cleaning is placed on ventilation and dries, and should not tan by the sun in the sun；
(3) dry: by the asparagus straws microwave vacuum drying after dry in the sun；
(4) saccharifying enzyme enzymolysis；
(5) protease hydrolyzed；
(6) soda boiling: put into sodium hydroxide after enzymolysis and carry out soda boiling, obtain crude fibre；
(7) acid hydrolysis: crude fibre adds hydrochloric acid solution hydrolysis process；
(8) bleaching washing: bleach with hydrogen peroxide after acid hydrolysis, removes pigment, and then rinsing is to neutral.
2. the preparation method of Germinatus Phragmitis microcrystalline Cellulose according to claim 1, it is characterised in that: further comprising the steps of below in step (8):
(9) centrifuge dehydration: with centrifuge, the free moisture in Germinatus Phragmitis slip is removed, make the base substrate with some strength；
(10) pulverize；Adopt dry pulverization process；
(11) briquetting: utilize briquetting forming machine, obtains Germinatus Phragmitis microcrystalline Cellulose compound stalk forming by extraction；
(12) packed products: the Germinatus Phragmitis microcrystalline Cellulose through briquetting is packed, packed products.
3. the preparation method of Germinatus Phragmitis microcrystalline Cellulose according to claim 1 and 2, it is characterised in that: in described step (1), add during cleaning the surfactant of 0.1-0.3 ‰ of raw materials quality, 0.8～1 ‰ vitamin C and the citric acid of 0.2-0.4 ‰.
4. the preparation method of Germinatus Phragmitis microcrystalline Cellulose according to claim 1 and 2, it is characterised in that: in described step (3), baking temperature is 50-60 DEG C, and dry 1-2h, vacuum is 500-600mmHg；
In described step (10), after pulverizing through 40 eye mesh screens screening after Germinatus Phragmitis microcrystalline Cellulose powder.
5. the preparation method of Germinatus Phragmitis microcrystalline Cellulose according to claim 1 and 2, it is characterized in that: in described step (4), being put into by raw material in the water containing saccharifying enzyme, saccharifying enzyme hydrolysis temperature is 50-60 DEG C, enzyme concentration is the 0.2-0.8% of material weight, and enzymolysis time is 1.5-2.5h.
6. the preparation method of Germinatus Phragmitis microcrystalline Cellulose according to claim 1 and 2, it is characterised in that: in described step (5), during protease hydrolyzed, pH value 2.0-4.0, enzyme concentration 5000-7000 μ/g, is placed in 40-50 DEG C of water bath with thermostatic control, stir 8-10 hour, remove protein.
7. the preparation method of Germinatus Phragmitis microcrystalline Cellulose according to claim 1 and 2, it is characterized in that: in described step (6), sodium hydroxide soda boiling liquid weight concentration is 2-4%, temperature 80-120 DEG C, the weight ratio of time 1.5-2.5h, asparagus straws raw material and sodium hydroxide solution is 1:0.5-1.5.
8. the preparation method of Germinatus Phragmitis microcrystalline Cellulose according to claim 1 and 2, it is characterized in that: in described step (7), acid hydrolysis liquid weight concentration is the hydrochloric acid solution of 1-3%, and the weight ratio being hydrolyzed 0.5-1.5h, asparagus straws raw material and hydrochloric acid solution at 80-100 DEG C is 1:9-11.
9. the preparation method of Germinatus Phragmitis microcrystalline Cellulose according to claim 1 and 2, it is characterised in that: in described step (8), with the H of weight concentration 1.5-2.5%2O2Solution processes 0.5-1.5h at 55-65 DEG C and bleaches, removing pigment, and carries out rinsing to neutral with 1.5-2.5% sodium sulfite solution, and the weight ratio carrying out washing 1-3 time, asparagus straws raw material and hydrogen peroxide solution with water is 1:4-6.
10. a Germinatus Phragmitis microcrystalline Cellulose, it is characterised in that: the method described in claim 1 or 2 is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103295.4A CN105747237A (en) | 2016-02-25 | 2016-02-25 | Method for preparing microcrystalline cellulose of asparagus by applying asparagus stalks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103295.4A CN105747237A (en) | 2016-02-25 | 2016-02-25 | Method for preparing microcrystalline cellulose of asparagus by applying asparagus stalks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105747237A true CN105747237A (en) | 2016-07-13 |
Family
ID=56331211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610103295.4A Pending CN105747237A (en) | 2016-02-25 | 2016-02-25 | Method for preparing microcrystalline cellulose of asparagus by applying asparagus stalks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105747237A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351051A (en) * | 2016-09-27 | 2017-01-25 | 济南米铎碳新能源科技有限公司 | Method for producing high-purity cellulose from cotton linter by utilizing steam explosion technology |
| CN106400567A (en) * | 2016-09-27 | 2017-02-15 | 济南米铎碳新能源科技有限公司 | Method of using cotton linter to directly prepare microcrystalline cellulose |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503865A (en) * | 2009-03-23 | 2009-08-12 | 江南大学 | Method for preparing mlcrocrystalline cellulose by corps straw |
| CN103385472A (en) * | 2013-07-30 | 2013-11-13 | 青岛恒生生物制药技术开发有限公司 | Kelp microcrystalline cellulose and preparation method thereof as well as application of prepared kelp microcrystalline cellulose |
-
2016
- 2016-02-25 CN CN201610103295.4A patent/CN105747237A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503865A (en) * | 2009-03-23 | 2009-08-12 | 江南大学 | Method for preparing mlcrocrystalline cellulose by corps straw |
| CN103385472A (en) * | 2013-07-30 | 2013-11-13 | 青岛恒生生物制药技术开发有限公司 | Kelp microcrystalline cellulose and preparation method thereof as well as application of prepared kelp microcrystalline cellulose |
Non-Patent Citations (2)
| Title |
|---|
| 宋美玲: "芦笋皮微晶纤维素的制备", 《食品工程》 * |
| 陈兵: "芦笋残料酶解条件的初步研究", 《浙江农业科学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351051A (en) * | 2016-09-27 | 2017-01-25 | 济南米铎碳新能源科技有限公司 | Method for producing high-purity cellulose from cotton linter by utilizing steam explosion technology |
| CN106400567A (en) * | 2016-09-27 | 2017-02-15 | 济南米铎碳新能源科技有限公司 | Method of using cotton linter to directly prepare microcrystalline cellulose |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101503865B (en) | Method for preparing mlcrocrystalline cellulose by corps straw | |
| CN101715947A (en) | Method for producing dietary fiber with by-product orange dreg of orange juice | |
| CN101613970A (en) | Bagasse dissolving pulp pulping process of preextraction hemicellulose and products thereof | |
| CN102234335A (en) | Production technology for continuously extracting starch, oil and sugar from cyperus esculentus | |
| CN102747637B (en) | Process for producing cellulose by residues of pomace after pectin extraction | |
| CN1413513A (en) | Productive technology for extrating diet fiber from sea-tangle | |
| CN102796610A (en) | Production technology for extracting eucommia oil and eucommia protein from eucommia kernels | |
| CN103397554B (en) | A kind of new technology preparing lignocellulose-like biomass microcrystalline Cellulose | |
| CN103821021A (en) | Nano cellulose extracted from shuck of xanthoceras sorbifolia and extraction method | |
| CN111472186B (en) | Method for preparing high-quality crop straw dissolving pulp through hydrothermal pretreatment | |
| CN101153306B (en) | Method for producing tangerine peel low methoxy group pectin by using pectinase | |
| CN103665195A (en) | Method for extracting agar from gracilaria with enzymatic method | |
| CN105747237A (en) | Method for preparing microcrystalline cellulose of asparagus by applying asparagus stalks | |
| CN105622782B (en) | A kind of enzyme process substitutes the preparation method of alkalinity extraction fragrant plant mentioned in ancient texts agar | |
| CN104231116A (en) | Method for preparing hemicellulose, humate and feed additive by utilizing straws | |
| CN105076921A (en) | Method for producing microcrystalline cellulose by utilizing leftovers of bamboo shoots | |
| CN101696428A (en) | Method for co-producing ethanol, cellulose and compound fertilizer by using crop straw as raw material | |
| CN1032322C (en) | Method for making artificial fibre pulp and xylitol using corn stalk as material | |
| CN1166319C (en) | Productive technology for extracting diet fiber from-sargassum | |
| CN1243487C (en) | Sea-tangle edible fiber and its making method | |
| CN101756295A (en) | Method for preparing kelp dietary fiber by ultrasonic enzymolysis | |
| CN106749686B (en) | A kind of preparation method of microcrystalline cellulose | |
| CN108741106A (en) | A kind of production technology for extracting dietary fiber from brown alga | |
| CN102020723A (en) | Method for continuously extracting low-ester pectin and microcrystalline cellulose from jerusalem artichoke stalks | |
| CN101904413B (en) | Process for extracting proteins and dietary fibers by utilizing kelp residues |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160713 |
|
| RJ01 | Rejection of invention patent application after publication |