CN105859916A - Preparing method for NO.9 south jerusalem artichoke powder - Google Patents
Preparing method for NO.9 south jerusalem artichoke powder Download PDFInfo
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- CN105859916A CN105859916A CN201610339083.6A CN201610339083A CN105859916A CN 105859916 A CN105859916 A CN 105859916A CN 201610339083 A CN201610339083 A CN 201610339083A CN 105859916 A CN105859916 A CN 105859916A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0051—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Fructofuranans, e.g. beta-2,6-D-fructofuranan, i.e. levan; Derivatives thereof
- C08B37/0054—Inulin, i.e. beta-2,1-D-fructofuranan; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0003—General processes for their isolation or fractionation, e.g. purification or extraction from biomass
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Abstract
The invention discloses a preparing method for NO.9 south jerusalem artichoke powder. The preparing method includes the steps of pretreating jerusalem artichoke, extracting south jerusalem artichoke powder, clarifying and removing impurities, decolorizing, desalting, concentrating at the low temperature and drying. Raw materials are soaked through a potassium metabisulfite solution; extracting is carried out with the ultrasound-assisted compound enzyme method in a grading mode; clarifying and impurity removing are carried out in the mode that a traditional lime milk method is replaced with a compound clarifying agent method; decolorizing is carried out through a mixed decolorizing agent; desalting is carried out with different resin series columns; extracting liquid is crystallized and concentrated at the low temperature; spraying and drying are carried out, and the high-purity south jerusalem artichoke powder is obtained. According to the method, time and energy are saved, the extraction ratio is high, and the high-purity south jerusalem artichoke powder can be obtained.
Description
Technical field
The invention belongs to food processing field, be specifically related to the preparation method of a kind of south No. 9 jerusalem artichoke inulin of Jerusalem artichoke.
Background technology
Jerusalem artichoke has another name called Jerusalem artichoke, Jerusalem artichoke, is a kind of Compositae, Helianthus perennial root herbaceous plant, its
Rich in nutritive value, is referred to as " 21 century, people and animals shared crop " by FAO (Food and Agriculture Organization of the United Nation).The main one-tenth of Jerusalem artichoke
It is divided into inulin, accounts for the 15%-20% of fresh Jerusalem artichoke weight, account for the 70%-80% of Jerusalem artichoke dry weight.Inulin is that a class is natural
Fructan mixt, is good prebiotics, is also the most diffluent dietary fiber having now been found that, has increasing
Grow probiotic bacteria in human body, prevention intestinal canal tumour, treatment constipation, control the multiple efficacies such as blood glucose.Within 2009, defend
Life portion approval inulin is new food resource, and Ministry of Public Health in 2012 is announced and increased Jerusalem artichoke as new resource food inulin
Raw materials for production.No. 9 Jerusalem artichokes of Jerusalem artichoke are that Beijing Bi Qingyuan landscape engineering company limited draws with from Russia in south
The patent kind that the species of jeruselem artichoke entered obtains through screening for many years, this variety yield is high, inulin content is enriched, and
Strong adaptability, salt tolerant, waterlogging, can plant at Coastal beach.
Abroad the research relatively morning to inulin, especially in Europe, inulin and Related product have become a biggest product
Industry.The Cosun company of Belgian Orafti company and Warcoing company and Holland is world inulin master
Company to be produced, this 3 company yield accounts for the 98.8% of European Union's inulin total output.Japan, the U.S., France,
The developed countries such as Britain have developed the Technology of inulin Related product the most, and are applied to industrialized production.Chrysanthemum
Taro all has cultivation in China's most area, is the most generally made into catsup and pickled vegetables and eats, and economic worth is extremely low.I
State starts from the nineties in 20th century for the research of inulin, and current domestic inulin production technology is the most ripe,
Obtain high-purity inulin and also have certain difficulty, significantly hinder the development of China's Jerusalem artichoke industry.External inulin is pure
Degree is high and has certain price advantage, and some domestic inulin apply enterprise's then more options imported product, therefore
Domestic inulin manufacturer is brought huge competitive pressure.Current domestic inulin produces main employing hot water leaching
Carry, lime cream clarification process.This method exists that water consumption is big, extraction time length, extraction ratio are low, purity is the highest,
The defect such as during consumption energy consumption.Therefore improving current inulin production Technology is that those skilled in the art pay close attention to
Problem.Based on the problems referred to above, the present invention proposes the preparation method of a kind of south No. 9 jerusalem artichoke inulin of Jerusalem artichoke.This
The method used time is few, consume energy little and extraction ratio and purity height.
Summary of the invention
The defect existed for current domestic inulin production technology and the highest problem of domestic inulin purity, the present invention
Proposing a kind of method preparing inulin for south No. 9 Jerusalem artichokes of Jerusalem artichoke, the method used time is few, it is little to consume energy, and carries
Take rate and purity is high.
It is an object of the invention to be accomplished by:
A kind of preparation method of south No. 9 jerusalem artichoke inulin of Jerusalem artichoke, the method comprises the following steps:
1) Jerusalem artichoke pre-treatment: fresh south No. 9 Jerusalem artichokes of Jerusalem artichoke are cleaned, remove the peel, cut into slices, soak, after drying,
It is crushed to particle diameter and is 200 mesh～300 mesh obtain Jerusalem artichoke powder；
2) inulin extracts: added water mixing by solid-liquid ratio 1:10～1:15 (w/v) by Jerusalem artichoke powder, addition compound enzyme
20mg/L～30mg/L, regulates pH to 5.0～5.5, carries out ultrasonic Treatment at 45 DEG C～50 DEG C
After 20min～25min；Then it is brought rapidly up to 70 DEG C～80 DEG C, continues ultrasonic Treatment 10min～15min；
3) clarification remove impurity: by step 2) gained extracting solution carries out kieselguhr while hot and is filtered to remove large granular impurity,
It is subsequently adding compound clarifier 0.8g/L～1.0g/L, 50r/min～100r/min and stirs 10min～15min, then
At a temperature of 50 DEG C～80 DEG C, stand 1h～1.5h, be filtered to remove flocculate precipitate with kieselguhr the most while hot；
4) decolouring: to step 3) gained extracting solution adds mixing decolorising agent 10g/L～15g/L, stirring is all
Even, stand 40min at 50 DEG C～80 DEG C, then kieselguhr filters to obtain clarification extracting solution；
5) desalination: by step 4) gained clarification extracting solution passes sequentially through the strong alkalinity anion post of series connection, strong
Acid cation post and weakly-basic anion post carry out desalination；
6) cryoconcentration, be dried: by step 5) gained extracting solution stands at 0 DEG C～4 DEG C, then goes
Supernatant, obtains crystalline solid, finally utilizes spray drying process to be dried.
Step 1) in Jerusalem artichoke raw material be south No. 9 Jerusalem artichokes of Jerusalem artichoke, this Jerusalem artichoke not only yield is high and inulin content is enriched,
Higher than other kinds by 5%～8%.
Step 1) in Jerusalem artichoke section after immediately in the potassium metabisulfite solution that concentration is 100mg/L～200mg/L
Soak 10min～20min.
Step 1) in soak in potassium metabisulfite solution after section and be possible not only to enzyme denaturing and prevent brown stain, it is also possible to
Play the effect of bleaching.
Step 1) in Jerusalem artichoke sheet soak after first at 50 DEG C～70 DEG C, be dried 2/3～1/2 to weight in wet base, rise the most rapidly
High-temperature is dried to constant weight to 80 DEG C～90 DEG C.
Step 1) in use dry technology stage by stage, make free water in Jerusalem artichoke slough completely, and make cell wall damage,
Inulin is made to be more easy to dissolution in the extraction stage.
Step 2) in be undertaken in two steps extract, first use ultrasonic assistant multiplex-enzyme extraction, more at high temperature ultrasound wave
Extract, make inulin extract more complete, not only shorten extraction time and substantially increase inulin extraction ratio.
Step 2) in compound enzyme can fall cellulose and pectin by enzymolysis, promote cell rupture, the cavitation effect of ultrasound wave
And effect of vibration, increase molecular motion of material frequency, increase solvent penetration power, add under both dual functioies
Speed inulin enters solvent, promotes to extract.
Step 2) in second stage use ultrasonic assistant high temperature extraction, high temperature increase inulin dissolubility, make inulin
Extract more complete.
Step 2) in compound enzyme include that pectin lyase accounts for 40%～45%, pectinesterase accounts for 15%～20%, fiber
Element enzyme accounts for 35%～40%, is weight/mass percentage composition.
Step 2) in ultrasonic power use 300w～400w, power is the lowest does not reaches ultrasonic effect, the highest, breaks
Bad inulin molecules structure.
Step 3) in compound clarifier be N-deacetylation more than 85% chitosan and the mixture of Bentonite, Liang Zhezhi
Amount ratio is 1:1～1:2.
Step 3) in compound clarifier carry out following pretreatment before use: compound clarifier by weight 1:15～
1:20 joins in the citric acid solution that mass concentration is 1%, 45 DEG C～50 DEG C, under the conditions of 80r/min～100r/min
After stirring 8h～10h, uniformly emulsion can use.
Step 3) chitosan is cationic flocculant in compound clarifier, can protein floculation, pectin and cellulose
Deng, Bentonite is Flokal B, and can flocculate pigment and other suspended particulates, and both are used in combination and can reach relatively
Good clarification impurity-eliminating effect.
Step 3) the middle milk of lime process using clarifier replacement traditional, not only operation is simple, clarifying effect is good, and
And avoid the entrance of various salt particle.
Step 3) in filter the kieselguhr that kieselguhr used is loose thickness 0.20～0.35.
Step 3) in use kieselguhr to filter to not only act as separation, impurity removal effect and can also adsorb removing partial pigment.
Step 4) in mixing decolorising agent be the mixture of hargil and Bentonite, both weight ratios are 2:1～3:1, at hargil
The a certain amount of Bentonite of middle addition can play preferable decolorizing effect.
Step 4) in filter the kieselguhr that kieselguhr used is loose thickness 0.10～0.20.
Step 5) in clarification extracting solution with 600cm3/ h～800cm3/ h flow velocity passes sequentially through columns in series.
Step 5) in strong alkalinity anion post preferred strongly basic anionic resin D201/7, highly acidic cation post is excellent
Select strong acidic ion resin D001/F, weakly-basic anion post preferred weak anion resin D306.
Step 5) be concatenated post desalination after the pH of extracting solution can be made to be increased to neutrality.
Step 6) described in time of repose be 10h～12h.
The beneficial effect of the technology of the present invention:
On the south the present invention, No. 9 Jerusalem artichokes of Jerusalem artichoke are raw material, and this kind inulin content is enriched；Pre-treatment uses and lays particular stress on Asia
Potassium sulfate solution carries out soaking and not only prevents the brown stain can be with bleaching；Inulin uses ultrasonic assistant in extracting
Compound enzyme extracts stage by stage, makes inulin extract more complete, not only shortens extraction time and improve inulin
Extraction ratio；Using compound clarifier method to replace traditional milk of lime process in clarification remove impurity, not only operation is simple, remove
Miscellaneous effective, and avoid the entrance of salt particle；Major part color has been eliminated in pre-treatment and dedoping step
Element, and avoid the introducing of salt particle, greatly reduce the workload of follow-up decolouring and desalination, when saving
Between, improve efficiency.Use three pillar series connection desalination not only removal efficiencies of two kinds of resins high and extracting solution final pH
For neutrality.Cryoconcentration step operation is simple and concentrated effect good, improves work efficiency.
Beneficial effects of the present invention is further illustrated below by way of part test process:
Test example:
It is respectively compared in Hot water extraction, ultrasonic assistant method, enzymatic assistant extraction and the present invention ultrasound wave used
The assisted recombination enzyme extraction method stage by stage inulin extraction ratio to south No. 9 Jerusalem artichokes of Jerusalem artichoke.
Hot water extraction extraction conditions is: solid-liquid ratio 1:20, Extracting temperature 80 DEG C, extraction time 40min
Ultrasonic extraction method condition is: solid-liquid ratio 1:20, Extracting temperature 80 DEG C, extraction time 40min, power
400w
Enzymatic Extraction condition is: solid-liquid ratio 1:20, Extracting temperature 45 DEG C, extraction time 40min, pectase
30mg/L
According to the inventive method extraction conditions it is: solid-liquid ratio 1:20, compound enzyme 30mg/L, ultrasonic power 400w,
45 DEG C, extracting 25min, then 80 DEG C are extracted 15min again
Inulin extraction ratio/%=inulin concentration × extracting liquid volume/raw materials quality × 100%
Inulin concentration/g/L=total sugar concentration-concentration of reduced sugar
Result is as shown in table 1:
Table 1 Different Extraction Method inulin extraction ratio compares
Use the inventive method can obtain higher inulin extraction ratio as shown in Table 1.
Detailed description of the invention
The present invention is described in further detail for the embodiment be given below in conjunction with inventor.
Embodiment 1:
Take fresh south No. 9 Jerusalem artichokes of Jerusalem artichoke (purchased from Jiangsu Bi Qingyuan marine organisms Science and Technology Ltd.) to clean, go
Skin, section, soak 20min in the potassium metabisulfite solution that concentration is 100mg/L；Drain moisture,
It is dried 1/2 to weight in wet base at 50 DEG C, rises the most rapidly high-temperature and to 80 DEG C and be dried to constant weight；Finally by its powder
It is broken to 200 mesh and obtains Jerusalem artichoke powder.Jerusalem artichoke powder is added water mixing by solid-liquid ratio 1:10 (g/mL), adds compound enzyme
20mg/L (purchased from Shanghai Jie Tu trade Co., Ltd), wherein containing pectin lyase 40%, pectinesterase 20%,
Cellulase 40%, regulates pH to 5.0, carries out ultrasonic Treatment 20min, ultrasonic power 300w at 45 DEG C；
Then it is brought rapidly up to 70 DEG C, continues ultrasonic Treatment 15min and i.e. obtain inulin extracting solution.Extracting solution is entered while hot
Row kieselguhr is filtered to remove large granular impurity (kieselguhr loose thickness 0.20～0.35, autonomous county of Chang Bai Korean nationality
Chang Bai kieselguhr Co., Ltd), it is subsequently adding compound clarifier 0.8g/L, stirs under the conditions of 50r/min
15min, then stands 1h at a temperature of 50 DEG C, is filtered to remove flocculate precipitate (silicon with kieselguhr the most while hot
Diatomaceous earth loose thickness 0.20～0.35).Compound clarifier (purchased from Shanghai Jie Tu trade Co., Ltd) is shell
Polysaccharide (N-deacetylation is more than 85%) and Bentonite weight ratio are the mixture of 1:1, before compound clarifier uses
Join in the citric acid solution of 1% by weight 1:15,45 DEG C, stir after 10h uniformly emulsus under 80r/min
Liquid.Extracting solution after clarification remove impurity adds mixing decolorising agent 10g/L, stirs, 50 DEG C of standings
40min, then kieselguhr filters to obtain clarification extracting solution (kieselguhr loose thickness 0.10～0.20).Mixing decolouring
In agent, hargil and Bentonite weight ratio are 2:1 (purchased from Shanghai Jie Tu trade Co., Ltd).Gained is clear
Clear extracting solution is again with 600cm3/ h flow velocity carries out desalination by columns in series.Columns in series is by strongly basic anionic resin
D201/7, strong acidic ion resin D001/F and weak anion resin D306 are connected in sequence and (purchase
From in Anhui Wandong Chemical Co., Ltd.).After desalination, gained extracting solution is stood 10h at 0 DEG C, then go
Clearly, crystalline solid is obtained.Finally be spray-dried white powder is inulin.Being computed inulin extraction ratio is 85.8%,
Inulin purity is 96.4% after testing.
Embodiment 2:
Take fresh south No. 9 Jerusalem artichokes of Jerusalem artichoke to clean, remove the peel, cut into slices, be the potassium metabisulfite of 200mg/L in concentration
Solution soaks 10min；Drain moisture, at 70 DEG C, be dried 2/3 to weight in wet base, rise high-temperature extremely the most rapidly
90 DEG C and be dried to constant weight；Finally it is crushed to 300 mesh and is obtained Jerusalem artichoke powder.Jerusalem artichoke powder is pressed solid-liquid ratio 1:15
(g/mL) add water mixing, adds compound enzyme 30mg/L (purchased from Shanghai Jie Tu trade Co., Ltd), its
In containing pectin lyase 45%, pectinesterase 15%, cellulase 40%, regulate pH to 5.5, enter at 50 DEG C
Row ultrasonic Treatment 25min, ultrasonic power 400w；Then it is brought rapidly up to 80 DEG C, continues ultrasonic Treatment
10min i.e. obtains inulin extracting solution.Extracting solution is carried out while hot kieselguhr and is filtered to remove large granular impurity (kieselguhr
Loose thickness 0.20～0.35, Chang Bai Korean nationality autonomy county magistrate white kieselguhr Co., Ltd), it is subsequently adding
Compound clarifier 1.0g/L, stirs 10min under the conditions of 100r/min, then stands 1.5h at a temperature of 80 DEG C,
Finally it is filtered to remove flocculate precipitate (kieselguhr loose thickness 0.20～0.35) with kieselguhr while hot.Compound clear
Clear agent (purchased from Shanghai Jie Tu trade Co., Ltd) is the N-deacetylation chitosan more than 85% and Bentonite contains
Amount, than the mixture for 1:2, joins in the citric acid solution of 1% by weight 1:20 before compound clarifier use,
50 DEG C, stir 8h under 100r/min after uniformly emulsion can use.Extracting solution after clarification remove impurity adds
Entering to mix decolorising agent 15g/L, stir, stand 40min at 80 DEG C, then kieselguhr filters to obtain clarification extraction
Liquid (kieselguhr loose thickness 0.10～0.20).In mixing decolorising agent, hargil and Bentonite weight ratio are that 3:1 (purchases
From in Shanghai Jie Tu trade Co., Ltd).Gained is clarified extracting solution with 800cm3/ h flow velocity is entered by columns in series
Row desalination.Columns in series is by strongly basic anionic resin D201/7, strong acidic ion resin D001/F and alkalescence
Resin anion (R.A.) D306 is connected in sequence (purchased from Anhui Wandong Chemical Co., Ltd.).By institute after desalination
Obtain extracting solution and stand 12h at 4 DEG C, then remove supernatant, obtain crystalline solid.Finally be spray-dried white powder i.e.
For inulin.Being computed inulin extraction ratio is 86.6%, and inulin purity is 97.2% after testing.
Claims (10)
1. the preparation method of southern No. 9 jerusalem artichoke inulin of Jerusalem artichoke, it is characterised in that the method comprises the following steps:
1) Jerusalem artichoke pre-treatment: fresh south No. 9 Jerusalem artichokes of Jerusalem artichoke are cleaned, remove the peel, cut into slices, soak, after drying,
It is crushed to particle diameter and is 200 mesh～300 mesh obtain Jerusalem artichoke powder；
2) inulin extracts: added water mixing by solid-liquid ratio 1:10～1:15 by Jerusalem artichoke powder, addition compound enzyme
20mg/L～30mg/L, regulates pH to 5.0～5.5, carries out ultrasonic Treatment at 45 DEG C～50 DEG C
After 20min～25min；It is brought rapidly up to 70 DEG C～80 DEG C, continues ultrasonic Treatment 10min～15min；
3) clarification remove impurity: by step 2) gained extracting solution carries out kieselguhr while hot and is filtered to remove large granular impurity,
It is subsequently adding compound clarifier 0.8g/L～1.0g/L, 50r/min～100r/min and stirs 10min～15min, then
At a temperature of 50 DEG C～80 DEG C, stand 1h～1.5h, be filtered to remove flocculate precipitate with kieselguhr the most while hot；
4) decolouring: to step 3) gained extracting solution adds mixing decolorising agent 10g/L～15g/L, stirring is all
Even, stand 40min at 50 DEG C～80 DEG C, then kieselguhr filters to obtain clarification extracting solution；
5) desalination: by step 4) gained clarification extracting solution passes sequentially through the strong alkalinity anion post of series connection, strong
Acid cation post and weakly-basic anion post carry out desalination；
6) cryoconcentration, be dried: by step 5) gained extracting solution stands at 0 DEG C～4 DEG C, then goes
Supernatant, obtains crystalline solid, is finally spray-dried.
2. preparation method as claimed in claim 1, it is characterised in that step 1) in after Jerusalem artichoke section immediately dense
Degree is for soaking 10min～20min in the potassium metabisulfite solution of 100mg/L～200mg/L.
3. preparation method as claimed in claim 1, it is characterised in that step 1) in drying means be that elder generation is 50
DEG C～70 DEG C at be dried 2/3～1/2 to weight in wet base, rise the most rapidly high-temperature and be dried to constant weight to 80 DEG C～90 DEG C.
4. preparation method as claimed in claim 1, it is characterised in that step 2) in compound enzyme include pectin lyase
Enzyme accounts for 40%～45%, pectinesterase accounts for 15%～20%, and cellulase accounts for 35%～40%.
5. preparation method as claimed in claim 1, it is characterised in that step 2) in ultrasonic power be
300w～400w.
6. preparation method as claimed in claim 1, it is characterised in that step 3) in compound clarifier be that N-takes off second
Acyl degree is more than 85% chitosan and the mixture of Bentonite, and both mass ratioes are 1:1～1:2.
7. preparation method as claimed in claim 1, it is characterised in that step 3) in compound clarifier before use
Carry out following pretreatment: compound clarifier joins, by weight 1:15～1:20, the citric acid that mass concentration is 1%
In solution, 45 DEG C～50 DEG C, stir after 8h～10h uniformly emulsion under the conditions of 80r/min～100r/min.
8. preparation method as claimed in claim 1, it is characterised in that step 4) in mixing decolorising agent be hargil and
The mixture of Bentonite, both weight ratios are 2:1～3:1.
9. preparation method as claimed in claim 1, it is characterised in that step 5) clarification extracting solution with
600cm3/ h～800cm3/ h flow velocity passes sequentially through columns in series.
10. preparation method as claimed in claim 1, it is characterised in that step 6) described in time of repose be
10h～12h.
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Cited By (3)
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|---|---|---|---|---|
| CN107087740A (en) * | 2017-06-13 | 2017-08-25 | 邢夺伟 | A kind of method that instant capacity synanthrin is obtained from jerusalem artichoke |
| CN107344972A (en) * | 2017-08-16 | 2017-11-14 | 黑龙江军门现代农业发展有限公司 | A kind of preparation method of inulin Normal juice |
| CN108456265A (en) * | 2017-08-16 | 2018-08-28 | 黑龙江军门现代农业发展有限公司 | High-purity inulin extracting method |
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| RU2148588C1 (en) * | 1998-08-20 | 2000-05-10 | ООО "Фабрика Биотехнология" | Method of preparing inulin from jerusalem artichoke tuber |
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| CN108456265A (en) * | 2017-08-16 | 2018-08-28 | 黑龙江军门现代农业发展有限公司 | High-purity inulin extracting method |
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| CN105859916B (en) | 2019-03-29 |
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