CN103131027A - Instant gellan gum and its preparation method - Google Patents
Instant gellan gum and its preparation method Download PDFInfo
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- CN103131027A CN103131027A CN2013100647708A CN201310064770A CN103131027A CN 103131027 A CN103131027 A CN 103131027A CN 2013100647708 A CN2013100647708 A CN 2013100647708A CN 201310064770 A CN201310064770 A CN 201310064770A CN 103131027 A CN103131027 A CN 103131027A
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Abstract
The invention discloses an instant gellan gum and its preparation method. The instant gellan gum is prepared through treating gellan gum powder as an initial raw material and adopting a boiling, granulating and drying device. The method comprises the following steps: 1, gellan gum powder feeding: introducing the raw material gellan gum powder to the fluidized bed bottom of the boiling, granulating and drying device through purified cold air in order to make the raw material in a boiling state; 3, aqueous KCl solution wetting: injecting an aqueous KCl solution to humidify and granulate the gellan gum powder; 3, gellan gum solution injecting: atomizing a gellan gum solution having a small concentration, and uniformly injecting the raw material gellan gum powder for dressing boiling from the upper portion of the fluidized bed; 4, dressing; and 5, drying the obtained particulate product to obtain an instant colloidal matrix. The instant gellan gum prepared through adopting the method disclosed in the invention is used for solving the problems comprising difficult dissolving, easy formation of fish eye-like blocks in the dissolving process, slow dissolving time and fly dusts of powdery gellan gums produced at present.
Description
Technical field
The present invention relates to a kind of gelling gum, relate in particular to a kind of instant type gelling gum; In addition, the invention still further relates to the preparation method of this instant type gelling gum.Belong to the preparation of the compound that contains saccharide residue.
Background technology
Gelling gum (Gellan Gum) is after a kind of gram-negative bacteria separating obtained from the Bulbus Cardiocrini Cathayani-the false pseudomonas bacillus of waterweed (Pseudomonas elodea) carries out purebred cultivation and fermentation to carbohydrate, the polysaccharide colloid that get through extracting refining, the substantial white powder is a kind of gelifying agent of novel all-transparent.Gelling gum product of the prior art mostly is Powdered.
Gelling gum is a kind of macromolecule polysaccharide, and its dissolution process and other superpolymer are had something in common.At first dissolution process two stages of experience of superpolymer are that solvent molecule infiltration superpolymer is inner, make the superpolymer volumetric expansion, and namely the swelling process, then be only polymer and be evenly distributed in solvent, reaches dissolving fully.Yet gelling gum has " flake " (fish-eye) generation of phenomenon in dissolution process: namely glue is in water, particle surface is due to the water-soluble swollen gelatinous layer that forms, this moment, molecular chain did not form the free-moving random coil shape of energy, the formation of gelatinous layer delays and hinders water molecules to the glue internal penetration, and make the cementing bulk that forms occurs between particle, form the surface and be initial stage frozen glue and inside is the megalump of dried core, make xanthan molecule swelling and dissolution rate reduction in water, extended dissolution time.
When the user uses, occur little granule in gelling gum solution, " flake " causes some user to have to increase filter progress, and it is filtered out, and causes the waste of gelling gum, also limited its Application Areas.In addition, the pollution of dust to environment in the production of gelling gum powder and use procedure is also problems to be solved.
For avoiding the clustering phenomena of powder shaped gelling gum in dissolution process, in the situation that formula and technique allow, food enterprise in use generally needs first gelling gum to be mixed in the lump with dry materials such as a certain proportion of sugar, salt, and uses high-speed mixing equipment.But in actual applications, the formula of dry powder formulation is arranged not necessarily, appointed condition often also can be restricted, moreover even also is difficult to avoid fully clustering phenomena with a certain proportion of dry mash premix.
Due to the generation of caking, many producers attempt to utilize the mode that extends churning time, raising stirring velocity to reach the abundant dissolving of gelling gum.But this long high-speed stirring not only easily makes large quantity of air entrain into feed liquid, affects the stability of the finished product, and the while also produces very adverse influence to the batching of many not anti-high-shears.
Given this, produce quick deliquescent gelling gum and have very large pushing effect for gelling gum in Applications in Food Industry.Therefore, need a kind of novel instant type gelling gum product of research and development badly.
Summary of the invention
The technical problem to be solved in the present invention is to avoid above-mentioned weak point of the prior art, and instant type gelling gum that a kind of specific surface area is large, porosity is high and preparation method thereof is provided.The instant type gelling gum of the present invention's preparation can substitute present commercial powder shape product, solve that gelling gum powder of the prior art (being Powdered gelling gum) is difficult to that dissolving, dissolution rate are slow, easily form the conglomeration of " flake " shape in dissolution process, the problem of the slow and contaminate environment dust from flying of dissolution rate.This instant type gelling gum product is applicable to commercially available sauce seasonings, soup stock, beverage, food, medicine trade use.
Common instant type product adopts the means such as lyophilize or micro encapsulation increase the specific surface of particle or solute is carried out pre-emulsification and makes the solute rapid dispersion before dissolving basically.But from such is that solute is dispersed in solvent phase rapidly in essence, the dissolution process after accelerating to disperse by emulsifying effect.
These technology are only effective to the as easy as rolling off a log non-sticky colloid that disperses or dissolves in water.When gelling gum was added to the water, they just began to increase viscosity immediately in the process that adds, and this makes the remaining material that not yet adds be difficult to disperse and does not form caking.
The present invention is by research, adopt various means to make gelling gum when dissolving, make the surperficial xanthan molecule of swelling break away from quickly the glue particle and form free-moving random coil shape, thereby reach the instant purpose of molecular level, macro manifestations is the rapid dissolving of sample, the increasing sharply of soltion viscosity.
For solving the problems of the technologies described above, the invention provides a kind of preparation method of instant type gelling gum, take gelling gum powder (being Powdered gelling gum) as starting raw material, adopt the boiling granulating drying installation, be made into instant type gelling gum product, the method comprises following operation steps:
A) the gelling gum powder feeds intake: with the fluidized-bed bottom introducing of the freezing air of raw material gelling gum powder through purifying from the boiling granulating drying installation, make raw material gelling gum powder be in boiling state;
B) the kcl aqueous solution is moistening: spray into the kcl aqueous solution and make the moistening and granulating of raw material gelling gum powder;
C) spray into gelling gum solution: the gelling gum solution of dilute concentration evenly sprays into from fluidized-bed top, in order to the raw material gelling gum powder of dressing boiling state after atomizing;
D) dressing: atomize through high-pressure spray gun, the vaporific drop that forms, be sprayed on the gelling gum powder in fluidized-bed, viscosity by gelling gum itself, collide bonding formation small-particle after meeting water, in the boiling granulating process, particle increases gradually, finally forms the particle of the spherical dressing of needed many micropores;
E) described particulate product is dry, to obtain instant type colloidal stroma.
Preferably, further comprising the steps of after step e):
F) process described particulate product to suitable globule size with the method for sizing screen screening or the whole grain of pelletizing machine; According to instant size fractionation requirement, cross respectively the sieve of corresponding order number, sieve removes on a small quantity not granulating fine powder and macrobead; Also can use pelletizing machine, obtain desired granularity;
G) quality test, qualified rear packing warehouse-in.
Preferably, in step a), the charging capacity of described gelling gum powder is 40%～80% of the boiling granulating drying plant throughput that adopts.
Preferably, step a) in, described gelling gum powder is high acyl gellan gum, perhaps low-acyl gellan gum.
Preferably, in step b), after the kcl solution atomization with 0.1% ~ 3% mass percent concentration, evenly spray into from fluidized-bed top, spraying time 20-60 minute, atomizing pressure 0.25-0.5Mpa.
Preferably, in step c), the consumption of described gelling gum solution is for dropping into 5%～30% of raw material gelling gum powder weight, and spraying time is controlled at 20～120 minutes, and atomizing pressure is 0.3Mpa～0.6Mpa; The concentration of described gelling gum solution is that the concentration of this gelling gum solution of 0.05% ~ 0.2%(refers to that gelling gum accounts for the mass percent concentration of the gelling gum aqueous solution).
Preferably, in step e), after grain diameter reaches processing requirement, stop spraying into solution, hot blast continues to pass into, and keeps temperature 60 C～90 ℃, continues to be dried to moisture content≤13%, 20～120 minutes time of drying.
Preferably, increasing following steps between step b) and step c): after moistening rear powder forms particulate, the freezing air through purifying after steam preheating, 60～90 ℃ of hot blast temperatures, vapor pressure 0.4Mpa～0.8Mpa.
In addition, the present invention also provides a kind of instant type gelling gum that adopts aforesaid method to make.
The preparation method of instant type gelling gum of the present invention, do not add other compositions, utilize the material self character to granulate, do not change the material nature, change to reach by physical aspect and improve the purpose that it disperses the hydration performance, improve the disperse water sum velocity of gelling gum, not only solved the technical barrier of gelling gum conglomeration, and dissolution rate increases fast, significantly improved its application performance.
Utilize the instant type gelling gum product of method preparation of the present invention to have loose porous shape structure, compare the powder gelling gum and have better dispersiveness and hydration rate faster, avoided common powdery gelling gum in use due to the clustering phenomena that has little time to disperse to cause.
Some technology have wide HLB (the hydrophilic and lipophile balance) tensio-active agent of scope and the dressing of wetting agent and reunion technology as use, are used for " being difficult to disperse " colloid.But only improved to a certain extent the dispersiveness of colloid of the Fast-swelling of viscosity, its shortcoming: 1. can not low speed mixing stir and do not form caking; 2. many wetting agents and the tensio-active agent increase transparency of finishing gellan gum solution; 3. wetting agent and tensio-active agent can bring peculiar smell.
Instant type gelling gum can disperse under low shearing condition, can reduce high-speed dispersion equipment and drop into, and the air that helps to reduce in whipping process entrains into, and for system stability, especially the stability of emulsification system is very favourable.It is upper convenient not only to use, and the investment of saving high-speed mixing equipment.
The present invention compared with prior art has following beneficial effect:
1. the preparation method of the instant type gelling gum that a kind of specific surface area is large, porosity is high is provided.The instant type gelling gum of preparation solves that powder type gelling gum dissolution rate of the prior art is slow, conglomeration in dissolution process, and the problem of dust pollution.
2. good dispersity is provided, has dissolved fast instant type product innovation, solved the conglomeration problem of gelling gum in application, improved its application performance, improved raw material availability, saved time.
3. the instant type gelling gum of the present invention time of reaching complete hydration shortens (as shown in Figure 1) greatly, disperse fully in 30 seconds, can substantially reach complete hydration in 3 minutes, be even collosol state, the not dissolving fully of conglomeration of common powdery gelling gum needs the basic hydration of ability in 30 minutes complete at least.This difference is more obvious in salts solution and sugar soln.
4. in sucrose solution (as shown in Figure 2), the instant type gelling gum of the present invention only needs can complete hydration reach equilibrium viscosity about 1 minute.And common powdery gelling gum viscosity discharges slowly, and is could hydration complete after disperseing 20 minutes, substantially reaches high viscosity.
5. instant type gelling gum is compared to have with common powdery gelling gum and is disperseed faster hydration rate, is difficult for conglomeration, and hydration is abundant.In actual applications, can greatly save time, take full advantage of thereby make to feed intake the waste that reduces material, improve the validity of prepared using.
6. the present invention can also avoid the airborne dust problem in the use of powdery gelling gum, thereby has improved the environment for use of gelling gum.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing:
Fig. 1 is that common powdery gelling gum and the instant type gelling gum of the present invention disperse the hydration speed ratio than schematic diagram in water.
Fig. 2 is that common powdery gelling gum and the dispersion hydration speed ratio of the instant type gelling gum of the present invention in sucrose solution are than schematic diagram.
In Fig. 1 and Fig. 2, X-coordinate represents the time (unit: min(minute)), ordinate zou represents viscosity (unit: the CP(centipoise)).
Embodiment
Embodiment 1
Take the gelling gum powder as starting raw material, adopt Fluidbedgranulatingdrier, operation steps is as follows:
1.. the gelling gum powder feeds intake
Raw material gelling gum powder drops into fluidized-bed, and charging capacity is 2 kilograms.The air that purified makes raw material gelling gum powder be in boiling state through the fluidized-bed bottom introducing from the boiling granulating drying installation;
2.. spray into kcl solution
Use peristaltic pump, after the kcl solution atomization with 0.2% mass percent concentration, evenly spray into spraying time 30 minutes, atomizing pressure 0.4Mpa from fluidized-bed top;
3.. spray into gelling gum solution
The gelling gum solution of dilute concentration evenly sprays into from fluidized-bed top, in order to the raw material gelling gum powder of dressing boiling state after atomizing; The consumption of described gelling gum solution is for dropping into 5% of raw material gelling gum powder weight, and spraying time is controlled at 20 minutes, and atomizing pressure is 0.3Mpa; The concentration of described gelling gum solution is 0.05%.
4.. boiling granulating, dressing
Through the high-pressure spray gun atomizing, the vaporific drop of formation is sprayed on the gelling gum powder on fluidized-bed, by the viscosity of gelling gum itself, meet water after the bonding formation of collision little instant, in the boiling granulating process, instantly increase gradually, finally form the particle of the spherical dressing of needed many micropores;
5.. drying
After grain diameter reaches processing requirement, stop spraying kcl solution, introduce hot blast, pass into simultaneously 0.1% gelling gum solution, and keep temperature 60 C, continue to be dried to moisture content≤13%, 60 minutes time of drying;
6.. screening
According to instant size fractionation requirement, cross respectively the sieve of corresponding order number, sieve removes on a small quantity not granulating fine powder and instant greatly;
7.. quality test, qualified rear packing warehouse-in.
Embodiment 2
Take the gelling gum powder as starting raw material, adopt Fluidbedgranulatingdrier, operation steps is as follows:
1.. the gelling gum powder feeds intake
Raw material gelling gum powder drops into fluidized-bed, and charging capacity is 2 kilograms.The air that purified makes raw material gelling gum powder be in boiling state through the fluidized-bed bottom introducing from the boiling granulating drying installation;
2.. spray into kcl solution
Use peristaltic pump, after the kcl solution atomization with 0.2% mass percent concentration, evenly spray into spraying time 20 minutes, atomizing pressure 0.5Mpa from fluidized-bed top;
3.. spray into gelling gum solution
The gelling gum solution of dilute concentration evenly sprays into from fluidized-bed top, in order to the raw material gelling gum powder of dressing boiling state after atomizing; The consumption of described gelling gum solution is for dropping into 30% of raw material gelling gum powder weight, and spraying time is controlled at 120 minutes, and atomizing pressure is 0.6Mpa; The concentration of described gelling gum solution is 0.2%.
4.. boiling granulating, dressing:
Through the high-pressure spray gun atomizing, the vaporific drop of formation is sprayed on the gelling gum powder on fluidized-bed, by the viscosity of gelling gum itself, meet water after the bonding formation of collision little instant, in the boiling granulating process, instantly increase gradually, finally form the particle of the spherical dressing of needed many micropores;
5.. drying
After grain diameter reaches processing requirement, stop spraying kcl solution, introduce hot blast, pass into simultaneously 0.1% gelling gum solution, and keep 90 ℃ of temperature, continue to be dried to moisture content≤13%, 20 minutes time of drying;
6.. screening
According to instant size fractionation requirement, cross respectively the sieve of corresponding order number, sieve removes on a small quantity not granulating fine powder and instant greatly;
7.. quality test, qualified rear packing warehouse-in.
Embodiment 3
Take the gelling gum powder as starting raw material, adopt Fluidbedgranulatingdrier, operation steps is as follows:
1.. the gelling gum powder feeds intake
Raw material gelling gum powder drops into fluidized-bed, and charging capacity is 2 kilograms.The air that purified makes raw material gelling gum powder be in boiling state through the fluidized-bed bottom introducing from the boiling granulating drying installation;
2.. spray into kcl solution
Use peristaltic pump, after the kcl solution atomization with 0.2% mass percent concentration, evenly spray into spraying time 60 minutes, atomizing pressure 0.25Mpa from fluidized-bed top;
3.. spray into gelling gum solution
The gelling gum solution of dilute concentration evenly sprays into from fluidized-bed top, in order to the raw material gelling gum powder of dressing boiling state after atomizing; The consumption of described gelling gum solution is for dropping into 20% of raw material gelling gum powder weight, and spraying time is controlled at 90 minutes, and atomizing pressure is 0.4Mpa; The concentration of described gelling gum solution is 0.1%.
4.. boiling granulating, dressing:
Through the high-pressure spray gun atomizing, the vaporific drop of formation is sprayed on the gelling gum powder on fluidized-bed, by the viscosity of gelling gum itself, meet water after the bonding formation of collision little instant, in the boiling granulating process, instantly increase gradually, finally form the particle of the spherical dressing of needed many micropores;
5.. drying
After grain diameter reaches processing requirement, stop spraying kcl solution, introduce hot blast, pass into simultaneously 0.1% gelling gum solution, and keep temperature 70 C, continue to be dried to moisture content≤13%, 120 minutes time of drying;
6.. screening
According to instant size fractionation requirement, cross respectively the sieve of corresponding order number, sieve removes on a small quantity not granulating fine powder and instant greatly;
7.. quality test, qualified rear packing warehouse-in.
Below by test example, beneficial effect of the present invention is further elaborated:
Test specification
With the method for tested viscosity, use in beaker and stir to test dispersion and the dissolving of the finished product in water with agitator.With following test procedure and method:
Test example one
1, the water of weighing 394g in the 600mL beaker, the instant type gelling gum of weighing 6g on balance, the contrast experiment is with common powdery gelling gum 6g;
2, stirring arm is placed under the liquid level of beaker the middle part on the upper side;
3, start power supply, initial speed is 400RPM, in 5 seconds, powder at the uniform velocity is poured into water, and starts timing register; Strengthen rotating speed according to viscosity and make the whole stirring of solution;
4, measured viscosity with 60RPM in the Brookfield viscometer exactly in the time of 0.5,1,2,3,5,10,20 and 30 minute.In after each viscosity measurement, solution being put back into agitator;
5, observe solution state.
Test result is seen Fig. 1, and the instant type gelling gum of common powdery gelling gum and the present invention disperses the hydration speed ratio than schematic diagram in water.As can be seen from Figure 1, under the 400rpm rotating speed, the instant type gelling gum of the present invention almost reached peak viscosity in 5 minutes, and common powdery gelling gum viscosity in front 5 minutes does not almost have wide variation, just reaches 80% of peak viscosity in 20 minutes.
Phenomenon: after instant type gelling gum is poured beaker into, can be scattered in 2 ~ 5 seconds in whole solution, outward appearance shows as macroscopic trickle crystal bead and rotates in solution, and solution also begins retrogradation.Ordinary powder type gelling gum forms bulk and rotates in solution, when viscosity rise arrives 800cp, still has a small amount of dough.As seen, compare with ordinary powder type gelling gum, the time that the instant type gelling gum of the present invention reaches complete hydration shortens greatly, disperses fully in 30 seconds, can substantially reach complete hydration, and be even collosol state in 3 minutes.
Test example two
1, the water of weighing 388g in the 600mL beaker, instant type gelling gum and the 6g sucrose of weighing 6g on balance, the contrast experiment is with common powdery gelling gum 6g and sucrose 6g;
2, stirring arm is placed under the liquid level of beaker the middle part on the upper side;
3, start power supply, initial speed is 400RPM, in 5 seconds, powder at the uniform velocity is poured into water, and starts timing register; Strengthen rotating speed according to viscosity and make the whole stirring of solution;
4, measured viscosity with 60RPM in the Brookfield viscometer exactly in the time of 0.5,1,2,3,5,10,20 and 30 minute.In after each viscosity measurement, solution being put back into agitator;
5, observe solution state.
Test result is seen Fig. 2, and the dispersion hydration speed ratio of the instant type gelling gum of common powdery gelling gum and the present invention in sucrose solution is than schematic diagram.As can be seen from Figure 2, under the 400rpm rotating speed, the instant type gelling gum of the present invention can all dissolve at 5 minutes, can reach peak viscosity in 2 minutes.Although and common powdery gelling gum is not than having sugaring to make moderate progress, it is not clearly that viscosity forms effect.In sucrose solution, the instant type gelling gum of the present invention only needs can complete hydration reach equilibrium viscosity about 1 minute.And common powdery gelling gum viscosity discharges slowly, and is could hydration complete after disperseing 20 minutes, substantially reaches high viscosity.
Phenomenon: sugary instant type gelling gum is poured in the beaker process, both can be scattered in whole solution, dissolving during macroscopic trickle crystal bead rotates in solution, solution retrogradation.Although sugary ordinary powder type gelling gum dispersiveness in dissolution process is improved, and still has " flake " shape agglomerate.
Claims (9)
1. the preparation method of an instant type gelling gum, is characterized in that, take the gelling gum powder as starting raw material, adopts the boiling granulating drying installation, is made into instant type gelling gum product, and the method comprises following operation steps:
A) the gelling gum powder feeds intake: with the fluidized-bed bottom introducing of the freezing air of raw material gelling gum powder through purifying from the boiling granulating drying installation, make raw material gelling gum powder be in boiling state;
B) the kcl aqueous solution is moistening: spray into the kcl aqueous solution and make the moistening and granulating of raw material gelling gum powder;
C) spray into gelling gum solution: the gelling gum solution of dilute concentration evenly sprays into from fluidized-bed top, in order to the raw material gelling gum powder of dressing boiling state after atomizing;
D) dressing: atomize through high-pressure spray gun, the vaporific drop that forms, be sprayed on the gelling gum powder in fluidized-bed, viscosity by gelling gum itself, collide bonding formation small-particle after meeting water, in the boiling granulating process, particle increases gradually, finally forms the particle of the spherical dressing of needed many micropores;
E) described particulate product is dry, to obtain instant type colloidal stroma.
2. the method for claim 1, is characterized in that, and is further comprising the steps of after step e):
F) process described particulate product to suitable globule size with the method for sizing screen screening or the whole grain of pelletizing machine;
G) quality test, qualified rear packing warehouse-in.
3. the method for claim 1, is characterized in that, in step a), the charging capacity of described gelling gum powder is 40%～80% of the boiling granulating drying plant throughput that adopts.
4. method as described in claim 1 or 3, is characterized in that, step a) in, described gelling gum powder is high acyl gellan gum, perhaps low-acyl gellan gum.
5. the method for claim 1, is characterized in that, in step b), after the kcl solution atomization with 0.1% ~ 3% mass percent concentration, evenly spray into from fluidized-bed top, and spraying time 20-60 minute, atomizing pressure 0.25-0.5Mpa.
6. the method for claim 1, is characterized in that, in step c), the consumption of described gelling gum solution is for dropping into 5%～30% of raw material gelling gum powder weight, and spraying time is controlled at 20～120 minutes, and atomizing pressure is 0.3Mpa～0.6Mpa; The concentration of described gelling gum solution is 0.05% ~ 0.2%.
7. the method for claim 1, is characterized in that, in step e), after grain diameter reaches processing requirement, stop spraying into solution, hot blast continues to pass into, and keep temperature 60 C～90 ℃, continue to be dried to moisture content≤13%, 20～120 minutes time of drying.
8. the method for claim 1, it is characterized in that, increasing following steps between step b) and step c): after moistening rear powder formed particulate, the freezing air through purifying was after steam preheating, 60～90 ℃ of hot blast temperatures, vapor pressure 0.4Mpa～0.8Mpa.
9. instant type gelling gum that adopts claim 1-8 any one method to make.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105384847A (en) * | 2015-10-14 | 2016-03-09 | 烟台安德利果胶股份有限公司 | Rapidly dissolved pectin and preparation method thereof |
| CN114368080A (en) * | 2021-12-23 | 2022-04-19 | 广东聚石科技研究有限公司 | Thermoplastic plastic powder and preparation method and application thereof |
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| CN101062957A (en) * | 2006-04-24 | 2007-10-31 | 上海众伟生化有限公司 | Gellan gum without organic solvent and production technique thereof |
| EP1853658B1 (en) * | 2005-03-03 | 2009-02-18 | Wacker Chemie AG | Use of silicon oxide compounds as free-flow agents in the production of solid polyvinyl acetate resins |
| CN101595190A (en) * | 2006-12-28 | 2009-12-02 | 巴斯夫欧洲公司 | Be used to polish the composition on the surface of making by silicon-dioxide |
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| EP1853658B1 (en) * | 2005-03-03 | 2009-02-18 | Wacker Chemie AG | Use of silicon oxide compounds as free-flow agents in the production of solid polyvinyl acetate resins |
| CN1687437A (en) * | 2005-03-25 | 2005-10-26 | 张禹 | Method of high post extraction of acyl Gellan |
| CN101062957A (en) * | 2006-04-24 | 2007-10-31 | 上海众伟生化有限公司 | Gellan gum without organic solvent and production technique thereof |
| CN101595190A (en) * | 2006-12-28 | 2009-12-02 | 巴斯夫欧洲公司 | Be used to polish the composition on the surface of making by silicon-dioxide |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105384847A (en) * | 2015-10-14 | 2016-03-09 | 烟台安德利果胶股份有限公司 | Rapidly dissolved pectin and preparation method thereof |
| CN114368080A (en) * | 2021-12-23 | 2022-04-19 | 广东聚石科技研究有限公司 | Thermoplastic plastic powder and preparation method and application thereof |
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