CN107029639A - Casein sodium alginate is used for slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses and preparation method thereof - Google Patents
Casein sodium alginate is used for slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses and preparation method thereof Download PDFInfo
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- CN107029639A CN107029639A CN201710291238.8A CN201710291238A CN107029639A CN 107029639 A CN107029639 A CN 107029639A CN 201710291238 A CN201710291238 A CN 201710291238A CN 107029639 A CN107029639 A CN 107029639A
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- casein
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
Abstract
The present invention relates to use casein sodium alginate for slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses and preparation method thereof.At present, on using casein and sodium alginate as wall material, the also rarely seen disclosure of research of the slow odor type polyelectrolyte multiplayer microcapsule by core of essence is reported.The present invention adds casein in the aqueous solution containing acid medium, and essence powder is added after dissolving, casein/essence mixed liquor A is obtained；Prepare sodium alginate lysate B；Casein/essence mixed liquor A is stirred, sodium alginate lysate B is added dropwise, the slow odor type casein sodium alginate composite micro-capsule of load essence is obtained.The present invention obtains the slow odor type casein Na-alginate composite micro-capsule for loading essence by complex coacervation, apply in coating, field of textiles etc., the practicality and added value of product can be improved, slow odor type Microcapsules Size is in nanometer to micron level, and effective cladding to essence can be realized, persistently delay fragrant effect so as to reach.
Description
Technical field
The present invention relates to the fields such as food, cosmetics, coating, and in particular to one kind uses casein-sodium alginate to be compound
Slow odor type polyelectrolyte multiplayer microcapsule of wall material and preparation method thereof.
Background technology
Microcapsules technology refers to utilize natural or synthetic high polymer material, by scattered solid, even liquid, gas thing
Matter is wrapped up, and forms the technology with semi permeability or the fine particle for sealing cyst membrane.Microcapsules can change material state,
Quality, volume and performance, protect sensitive composition, strengthen stability, control Release of core material, reduce or cover disagreeable taste, reduction
Volatility, isolates the functions such as component, therefore it is obtained extensively in terms of food, medicine, weaving, coating, agricultural, cosmetics industry
General application.In recent years, microcapsules technology development is very fast.On this basis, delay odor type microcapsules and also result in scholar's
Greatly concern.This is due to that traditional perfuming class product fragrance remaining time is generally very short, and fragrance can disappear quickly after washing, it is impossible to
Reach and persistently delay fragrant effect.And the persistently slow perfume of product will can be realized after aromatic microencapsulation, so that perfuming class
Product has the effect such as calmness, sterilization, hypnosis, health care in a long time, improves the practicality and added value of product.
At present, preparing the method for slow-release type microcapsule has a lot, mainly including spray drying process, freeze-drying, film
Seasoning, extrusion, phase separation method, orifice method, ionic cross-linking, interfacial polymerization, LBL self-assembly method and complex coacervation
Deng.In numerous microcapsule preparation methods, complex coacervation has that technique is simple, equipment requirement is low, reaction condition is gentle, ring
The advantages of border pollution is small.
Preparing the wall material of microcapsules has many, wherein because natural macromolecular material is nontoxic, and with preferable
Biocompatibility and biological degradability and the concern for enjoying people.Conventional natural polymer wall material mainly includes carbon hydrate
Thing, protein, lipid three major types.Because coacervate microcapsules technology is quiet based on what is occurred between two kinds of oppositely charged wall materials
Electric interactions, therefore protein and polysaccharide compound and be applied to for study hotspot.In recent years, protein-polysaccharide system
Middle protein mainly has gelatin, casein, Broad Bean Protein, soybean protein isolate, lactalbumin, and wherein casein is except with it
Outside the ambisexuality that his protein has, it also has excellent film forming, so that it is in food, biology, medicine, chemical industry etc.
There is good application prospect in field.Polysaccharide mainly has Arabic gum, sodium alginate, chitosan etc..Wherein sodium alginate is
More conventional, preferable wall material.And at present on using casein and sodium alginate as wall material, the slow odor type by core of essence gathers
The also rarely seen open report of the research of electrolyte microcapsules.Also, general complex coacervation is prepared using template, profit
Solidified with crosslinking agent, it is cumbersome containing materials such as organic solvents, it is necessary to remove removing template and organic solvent.
The content of the invention
It is an object of the invention to provide a kind of slow micro- glue of odor type polyelectrolyte for using casein-sodium alginate for compound wall materialses
Capsule and preparation method thereof, uses two kinds of natural macromolecular materials of casein and sodium alginate for wall material, using essence as core, by multiple
Slow odor type casein-Na-alginate composite micro-capsule that coacervation obtains load essence is closed, the practicality and added value of product is improved.
The technical solution adopted in the present invention is：
Casein-sodium alginate is used for the preparation method of the slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses, it is characterised in that：
Comprise the following steps：
Step one：The preparation of casein/essence mixed liquor and sodium alginate lysate：
Casein is added in the aqueous solution containing acid medium, after adding essence powder after its dissolving, it is sufficiently mixed, stirs
Overnight, casein/essence mixed liquor A is obtained；
Sodium alginate is dissolved in pure water, is sufficiently stirred for staying overnight, sodium alginate lysate B is obtained；
Step 2：Load the preparation of slow odor type casein-sodium alginate composite micro-capsule of essence：
Casein in step one/essence mixed liquor A is placed under 30-60 DEG C of water-bath and is stirred, starts drop in the process
Plus the sodium alginate lysate B in step one, after continuing to stir 5-60 min after completion of dropping, so as to obtain the slow of load essence
Odor type casein-sodium alginate composite micro-capsule.
In step one, acid medium is organic acid, selected from citric acid, acetic acid, oxalic acid, tartaric acid；
The pH value of the aqueous solution containing acid medium is 1.5-3.0.
In step one, the quality volume fraction of casein is 0.5%-2.5%, the mass body of essence in casein/essence mixed liquor A
Fraction is no more than 4%.
In step one, the quality volume fraction of sodium alginate is 0.5%-2.5% in sodium alginate lysate.
In step 2, stirring is is stirred vigorously during sodium alginate lysate is added dropwise, and rotating speed is at 13-20 revolutions per seconds.
Preparation method is obtained as mentioned uses casein-sodium alginate for the slow micro- glue of odor type polyelectrolyte of compound wall materialses
Capsule.
The present invention has advantages below：
The present invention obtains the slow odor type casein-Na-alginate composite micro-capsule for loading essence by complex coacervation, applies and is applying
Material, field of textiles etc., can improve the practicality and added value of product.Slow odor type microcapsules experiment bar is prepared using complex coacervation
Part is simple, easy to operate, during without template, organic solvent-free and crosslinking agent, and obtained slow odor type Microcapsules Size
In nanometer to micron level, it is possible to realize effective cladding to essence, persistently delay fragrant effect so as to reach.
Brief description of the drawings
Fig. 1 is the TEM photos of casein-sodium alginate composite micro-capsule.
Fig. 2 is the TEM photos of casein-sodium alginate composite micro-capsule of load essence.
Fig. 3 is the sustained release result of casein-sodium alginate composite micro-capsule of load essence.
Embodiment
With reference to embodiment, the present invention will be described in detail.
The preparation side of the present invention that casein-sodium alginate is used for the slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses
Method, using casein and sodium alginate as wall material, essence is core, and slow odor type casein-sodium alginate is obtained by complex coacervation
Composite micro-capsule.Prepared slow odor type polyelectrolyte multiplayer microcapsule has a homogeneous spherical structure, capsule diameter about in nanometer extremely
Micron level, it has carried out effective cladding to essence.System inner wall material is natural macromolecular material, and organic solvent-free, template
And crosslinking agent, it is to avoid the material such as organic solvent and template in conventional method, eliminate the cumbersome process of removing template and solvent；
Reaction condition is gentle, it is easy to accomplish large-scale production.Specifically include following steps：
Step one：The preparation of casein/essence mixed liquor and sodium alginate lysate：
Casein is added in the aqueous solution containing acid medium, after adding essence powder after its dissolving, it is sufficiently mixed, stirs
Overnight, casein/essence mixed liquor A is obtained；
Sodium alginate is dissolved in pure water, is sufficiently stirred for staying overnight, sodium alginate lysate B is obtained；
Step 2：Load the preparation of slow odor type casein-sodium alginate composite micro-capsule of essence：
Casein in step one/essence mixed liquor A is placed under 30-60 DEG C of water-bath and is stirred, starts drop in the process
Plus the sodium alginate lysate B in step one, after continuing to stir 5-60 min after completion of dropping, so as to obtain the slow of load essence
Odor type casein-sodium alginate composite micro-capsule.
In step one, acid medium is organic acid, selected from citric acid, acetic acid, oxalic acid, tartaric acid；
The pH value of the aqueous solution containing acid medium is 1.5-3.0.
In step one, the quality volume fraction of casein is 0.5%-2.5% in casein/essence mixed liquor A（w/v）, essence
Quality volume fraction is no more than 4%（w/v）.
In step one, the quality volume fraction of sodium alginate is 0.5%-2.5% in sodium alginate lysate（w/v）.
In step 2, stirring is is stirred vigorously during sodium alginate lysate is added dropwise, and rotating speed is at 13-20 revolutions per seconds.
Embodiment 1：
Step one：The preparation of casein/essence mixed liquor and sodium alginate lysate
By 0.0165 g casein powder（Casein concentration is 0.33%, w/v）Add pH value and contain the water-soluble of acid medium for 2.5
In liquid, after the essence powder that 0.1000 g is added after its dissolving（Essence concentration is 2.00%, w/v）, it is sufficiently mixed, is stirred
Mix overnight, obtain casein/essence mixing A.0.0835 g sodium alginates are dissolved in pure water（Sodium alginate concentration is 1.67%,
w/v）, it is stirred overnight, obtains sodium alginate lysate B.
Step 2：Load the preparation of slow odor type casein-sodium alginate composite micro-capsule of essence
Casein in step one/essence mixed liquor A is placed under 30 DEG C of water-baths and is stirred, rotating speed is 13 revolutions per seconds, herein mistake
Start the sodium alginate lysate B being added dropwise in step one in journey, after continuing to stir 30 min after completion of dropping, so as to be loaded
Slow odor type casein-sodium alginate composite micro-capsule of essence, particle diameter is 2167 nm.
Embodiment 2：
Step one：The preparation of casein/essence mixed liquor and sodium alginate lysate
By 0.0500 g casein powder（Casein concentration is 1.00%, w/v）Add pH value and contain the water-soluble of acid medium for 2.5
In liquid, after the essence powder that 0.1000 g is added after its dissolving（Essence concentration is 2.00 %, w/v）, it is sufficiently mixed, is stirred
Mix overnight, obtain casein/essence mixing A.0.0500 g sodium alginates are dissolved in pure water（Sodium alginate concentration is 1.00%,
w/v）, it is stirred overnight, obtains sodium alginate lysate B.
Step 2：Load the preparation of slow odor type casein-sodium alginate composite micro-capsule of essence
Casein in step one/essence mixed liquor A is placed under 30 DEG C of water-baths and is stirred, rotating speed is 13 revolutions per seconds, herein mistake
Start the sodium alginate lysate B being added dropwise in step one in journey, after continuing to stir 30 min after completion of dropping, so as to be loaded
Slow odor type casein-sodium alginate composite micro-capsule of essence, particle diameter is 426 nm.
Embodiment 3：
Step one：The preparation of casein/essence mixed liquor and sodium alginate lysate
By 0.0835 g casein powder（Casein concentration is 1.67%, w/v）Add pH value and contain the water-soluble of acid medium for 2.5
In liquid, after the essence powder that 0.0165g is added after its dissolving（Essence concentration is 2.00%, w/v）, it is sufficiently mixed, is stirred
Overnight, casein/essence mixing A is obtained.0.0165 g sodium alginates are dissolved in pure water（Sodium alginate concentration is 0.33%, w/
v）, it is stirred overnight, obtains sodium alginate lysate B.
Step 2：Load the preparation of slow odor type casein-sodium alginate composite micro-capsule of essence
Casein in step one/essence mixed liquor A is placed under 30 DEG C of water-baths and is stirred, rotating speed is 13 revolutions per seconds, herein mistake
Start the sodium alginate lysate B being added dropwise in step one in journey, after continuing to stir 30 min after completion of dropping, so as to be loaded
Slow odor type casein-sodium alginate composite micro-capsule of essence, particle diameter is 451 nm.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And any equivalent conversion taken technical solution of the present invention, it is that claim of the invention is covered.
Claims (6)
1. casein-sodium alginate is used for the preparation method of the slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses, it is characterised in that：
Comprise the following steps：
Step one：The preparation of casein/essence mixed liquor and sodium alginate lysate：
Casein is added in the aqueous solution containing acid medium, after adding essence powder after its dissolving, it is sufficiently mixed, stirs
Overnight, casein/essence mixed liquor A is obtained；
Sodium alginate is dissolved in pure water, is sufficiently stirred for staying overnight, sodium alginate lysate B is obtained；
Step 2：Load the preparation of slow odor type casein-sodium alginate composite micro-capsule of essence：
Casein in step one/essence mixed liquor A is placed under 30-60 DEG C of water-bath and is stirred, starts drop in the process
Plus the sodium alginate lysate B in step one, after continuing to stir 5-60 min after completion of dropping, so as to obtain the slow of load essence
Odor type casein-sodium alginate composite micro-capsule.
2. according to claim 1 use casein-sodium alginate for the slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses
Preparation method, it is characterised in that：
In step one, acid medium is organic acid, selected from citric acid, acetic acid, oxalic acid, tartaric acid；
The pH value of the aqueous solution containing acid medium is 1.5-3.0.
3. according to claim 1 use casein-sodium alginate for the slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses
Preparation method, it is characterised in that：
In step one, the quality volume fraction of casein is 0.5%-2.5%, the quality volume integral of essence in casein/essence mixed liquor A
Number is no more than 4%.
4. according to claim 1 use casein-sodium alginate for the slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses
Preparation method, it is characterised in that：
In step one, the quality volume fraction of sodium alginate is 0.5%-2.5% in sodium alginate lysate.
5. according to claim 1 use casein-sodium alginate for the slow odor type polyelectrolyte multiplayer microcapsule of compound wall materialses
Preparation method, it is characterised in that：
In step 2, stirring is is stirred vigorously during sodium alginate lysate is added dropwise, and rotating speed is at 13-20 revolutions per seconds.
Casein-sodium alginate is used to gather electricity for the slow odor type of compound wall materialses 6. preparation method as claimed in claim 1 is obtained
Solve matter microcapsules.
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| CN111455675A (en) * | 2020-04-23 | 2020-07-28 | 罗莱生活科技股份有限公司 | Skin-care microcapsule and preparation method and application thereof |
| CN114106582A (en) * | 2021-11-29 | 2022-03-01 | 闽南师范大学 | Bio-based microcapsule emulsion wrapping natural pigment and preparation method thereof |
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Cited By (3)
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| CN109505139A (en) * | 2018-12-04 | 2019-03-22 | 江苏金太阳纺织科技股份有限公司 | A kind of warming warming fabric microcapsule dressing agent and its preparation method and application |
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| CN114106582A (en) * | 2021-11-29 | 2022-03-01 | 闽南师范大学 | Bio-based microcapsule emulsion wrapping natural pigment and preparation method thereof |
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| CN107029639B (en) | 2020-05-19 |
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