CN109260491A - A kind of preparation method of nano-starch eliminating smell agent - Google Patents
A kind of preparation method of nano-starch eliminating smell agent Download PDFInfo
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- CN109260491A CN109260491A CN201810915528.XA CN201810915528A CN109260491A CN 109260491 A CN109260491 A CN 109260491A CN 201810915528 A CN201810915528 A CN 201810915528A CN 109260491 A CN109260491 A CN 109260491A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
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Abstract
The invention discloses a kind of preparation method of nano-starch eliminating smell agent, include the following steps: that (1) takes appropriate amount of starch to be added in buffer, boiling water bath heating is sufficiently gelatinized, obtains starch solution；(2) starch solution after gelatinization is digested into certain time, then heats to terminate the activity of enzyme, obtains product A；(3) by product A centrifugation, crystallization, filtering, vacuum drying obtains nano-starch particle；(4) by gained nano-starch particle, nano-starch eliminating smell agent is prepared in supersound washing.The nano-starch eliminating smell agent raw material sources as made from the preparation method are wide, easily obtain, at low cost, effect is good, can effectively remove peculiar smell, not only environmentally friendly, but also without any side effect；And the preparation method mild condition of the nano-starch eliminating smell agent, program is simple, at low cost, environmental protection.
Description
Technical field
The present invention relates to a kind of preparation methods of eliminating smell agent, are specifically related to a kind of preparation side of nano-starch eliminating smell agent
Method.
Background technique
So-called nano-starch eliminating smell agent category environment-friendly products can be captured effectively with outstanding producing enzyme performance and degradation is drawn
The substance for playing smell, makes it be converted into benign Cell Component and tasteless carbon dioxide and water.Nano-starch eliminating smell agent is having
Machine waste processing aspect is widely used, such as: it can be used for sewage treatment, the peculiar smell that the sewage that can effectively degrade generates；Garbage loading embeading
, the peculiar smell that the rubbish that can effectively degrade generates；Pet deodorization: the peculiar smell that pet gives out can effectively be decomposed；One can be removed rapidly
Determine the peculiar smell such as cigarette in space, leather；(household, hotel, club etc.) peculiar smell can be effectively controlled in room, peculiar smell is generated by removal
Organic matter, provide long-term smell control, and can effectively prevent the generation again of peculiar smell；Improve the ability etc. of waste degradation
Deng.
In addition, tight due to closing, air flowing is bad, and most sewer pipeline of toilet are without close in family bathroom space
Seal apparatus causes peculiar smell in toilet even if there is sealing effect to be also not highly desirable, these smell components be mainly hydrogen sulfide,
Ammonia, sulfur dioxide etc., these gases not only influence human health, but also influence the living environment and life grade of the mankind.Exist at present
Eliminating smell agent majority in use is plant extract or chemical synthesis, and plant extract complex process, high production cost, the common people are not
It is easily accepted by；Whether chemical synthesis is harmful to human body, if has secondary pollution, if has corrosiveness unknown.
It is reported that currently, eliminating smell agent is mainly the following type: physics eliminating smell agent, chemistry eliminating smell agent, microbiocidal remove
Taste agent etc..
Physics eliminating smell agent, physics eliminating smell agent are eliminated the unusual smell by physical method, and eliminating smell agent or gas with foreign flavor are utilized
Physical property, do not change gas component as a result, only changes its local concentration, or perhaps relative concentration.It common are suction
Attached eliminating smell agent, cover eliminating smell agent etc..
Chemistry eliminating smell agent, chemistry eliminating smell agent be using oxidation, reduction decomposition, neutralization reaction, addition reaction, condensation reaction,
The smell substance of generation is become free from extraneous odour material to eliminate peculiar smell by ion-exchange reactions etc..
Microbiocidal eliminating smell agent, the basic principle is that the smell substance in dissolution water is absorbed in microorganism using microorganism
Itself makes a kind of process of its degradation by the metabolic activity of microorganism in vivo.Microorganism, which is deodorized, to be divided into three phases: 1. different
The course of dissolution of taste gas, i.e., be transferred to liquid phase by gas phase；2. smell component is by microorganism adsorption, absorption in aqueous solution；3. into
The smell component for entering microbial cell, which is decomposed as nutriment for Institute of Micro-biology, to be utilized, and pollutant is enable to remove.
It would therefore be desirable to which one kind is at low cost, effect is good, can effectively remove peculiar smell, and environmentally friendly, without any side effect
Eliminating smell agent.
Summary of the invention
To overcome the shortcomings of existing technologies, it is an object of the invention to: a kind of preparation side of nano-starch eliminating smell agent is provided
Method, the preparation method mild condition of the nano-starch eliminating smell agent, program is simple, at low cost, environmental protection；And pass through the preparation method system
The eliminating smell agent obtained is at low cost, effect is good, can effectively remove peculiar smell, not only environmentally friendly, but also without any side effect.
The present invention solves technical problem and adopts the following technical scheme that
A kind of preparation method of nano-starch eliminating smell agent, includes the following steps:
(1) appropriate amount of starch is taken to be added in buffer, boiling water bath heating is sufficiently gelatinized, obtains starch solution；
(2) starch solution after gelatinization is digested into certain time, then heats to terminate the activity of enzyme, obtains product A；
(3) by product A centrifugation, crystallization, filtering, vacuum drying obtains nano-starch particle；
(4) by gained nano-starch particle, nano-starch eliminating smell agent is prepared in supersound washing.
There is also following technical characteristics by the present invention:
Preferably, in step (1), the starch uses cornstarch, potato starch, soybean starch or glutinous rice starch；
The buffer uses phosphoric acid, citrate or acetate, wherein the pH=4.0-6.0 of the buffer.
Preferably, in step (1), concentration of the starch in buffer is (1-20) %, and boiling water bath heating stirring
(30-60) minute.
Preferably, in step (2), the starch solution after gelatinization is naturally cooled to 58 DEG C, according to 30ASPU/g starch
Pullulanase solution is added in amount；And it is placed on enzymatic hydrolysis (2-24) h in 58 DEG C of thermostat water bath.
Preferably, in step (2), using 100 DEG C of heating (30-60) minutes, enzymatic activity is terminated.
Preferably, in step (3), the product A was with 3000rpm/min centrifugation 15 minutes；Aspirate supernatant is placed in (0-
4) 12h is saved in DEG C refrigerator to be recrystallized；Holding low temperature, filtration washing 3-8 times.
Preferably, in step (4), the nano-starch particle supersound washing solution uses (0.1-10) % nano-starch
Grain, (0.1-10) % dispersing agent, (0.01-10) % antiseptic and antibiotic agent and pH=(4-6) buffer, ultrasound 30 minutes.
Preferably, in step (4), the dispersing agent uses dodecyl sodium sulfate, neopelex, Tween 80
Or sorbester p17.
Preferably, in step (4), the antiseptic and antibiotic agent using benzalkonium chloride, benzalkonium bromide, methylisothiazolinone,
Methylchloroisothiazandnone or Phenoxyethanol.
Preferably, in step (4), the buffer uses phosphoric acid, citrate or acetate.
Compared with the prior art, the beneficial effects of the present invention are embodied in:
The nano-starch eliminating smell agent raw material sources as made from the preparation method are wide, easily obtain, at low cost, effect is good, energy
Peculiar smell is effectively removed, it is not only environmentally friendly, but also without any side effect；And the preparation method mild condition of the nano-starch eliminating smell agent, journey
Sequence is simple, at low cost, environmental protection.
Specific embodiment
Technical solution of the present invention is described in detail by following specific embodiment.
Specific embodiment 1:
A kind of preparation method of nano-starch eliminating smell agent, includes the following steps:
(1) appropriate cornstarch is taken to be added in the phosphate buffer of pH=5.0, wherein the starch is in buffer
Concentration is 10%, in boiling water bath heating stirring 50 minutes, is sufficiently gelatinized, obtains starch solution；
(2) starch solution after gelatinization is naturally cooled to 58 DEG C, Pullulanase is added according to the amount of 30ASPU/g starch
Solution；And it is placed in 58 DEG C of thermostat water bath and digests 8h；It is heated 50 minutes using 100 DEG C, terminates enzymatic activity, obtain product
A；
(3) by product A with 3000rpm/min centrifugation 15 minutes；Aspirate supernatant is placed in 4 DEG C of refrigerators and saves 12h progress
Recrystallization；Low temperature is kept, filtration washing 5 times, vacuum drying obtains nano-starch particle；
(4) by gained nano-starch particle, supersound washing 30 minutes, nano-starch eliminating smell agent is prepared；
Wherein, the nano-starch particle supersound washing solution is using 0.5% nano-starch particle, 2% dodecyl
Sodium sulfonate dispersing agent, 0.1% benzalkonium chloride antiseptic and antibiotic agent and the phosphoric acid buffer agent of pH=5.0.
Specific embodiment 2:
A kind of preparation method of nano-starch eliminating smell agent, includes the following steps:
(1) appropriate cornstarch is taken to be added in the citrate buffer of pH=5.0, wherein the starch is in buffer
In concentration be 5%, in boiling water bath heating stirring 30 minutes, sufficiently be gelatinized, obtain starch solution；
(2) starch solution after gelatinization is naturally cooled to 58 DEG C, Pullulanase is added according to the amount of 30ASPU/g starch
Solution；And it is placed in 58 DEG C of thermostat water bath and digests 6h；It is heated 30 minutes using 100 DEG C, terminates enzymatic activity, obtain product
A；
(3) by product A with 3000rpm/min centrifugation 15 minutes；Aspirate supernatant is placed in 4 DEG C of refrigerators and saves 12h progress
Recrystallization；Low temperature is kept, filtration washing 5 times, vacuum drying obtains nano-starch particle；
(4) by gained nano-starch particle, supersound washing 30 minutes, nano-starch eliminating smell agent is prepared；
Wherein, the nano-starch particle supersound washing solution using 0.5% nano-starch particle, 1% Tween 80 and
1% sorbester p17 dispersing agent, 0.1% benzalkonium chloride antiseptic and antibiotic agent and the citrate buffer agent of pH=5.0.
Specific embodiment 3:
A kind of preparation method of nano-starch eliminating smell agent, includes the following steps:
(3) appropriate potato starch is taken to be added in the phosphate buffer of pH=6.0, wherein the starch is in buffer
Concentration be 10%, in boiling water bath heating stirring 50 minutes, sufficiently be gelatinized, obtain starch solution；
(4) starch solution after gelatinization is naturally cooled to 58 DEG C, Pullulanase is added according to the amount of 30ASPU/g starch
Solution；And it is placed in 58 DEG C of thermostat water bath and digests 12h；It is heated 50 minutes using 100 DEG C, terminates enzymatic activity, produced
Object A；
(3) by product A with 3000rpm/min centrifugation 15 minutes；Aspirate supernatant is placed in 4 DEG C of refrigerators and saves 12h progress
Recrystallization；Low temperature is kept, filtration washing 5 times, vacuum drying obtains nano-starch particle；
(4) by gained nano-starch particle, supersound washing 30 minutes, nano-starch eliminating smell agent is prepared；
Wherein, the nano-starch particle supersound washing solution is using 1% nano-starch particle, 2% detergent alkylate
Sodium sulfonate dispersing agent, 0.01% methylisothiazolinone antiseptic and antibiotic agent and the phosphoric acid buffer agent of pH=6.0.
The nano-starch eliminating smell agent raw material sources as made from the preparation method are wide, easily obtain, at low cost, effect is good, energy
Peculiar smell is effectively removed, it is not only environmentally friendly, but also without any side effect；And the preparation method mild condition of the nano-starch eliminating smell agent, journey
Sequence is simple, at low cost, environmental protection.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of preparation method of nano-starch eliminating smell agent, characterized by the following steps:
(1) appropriate amount of starch is taken to be added in buffer, boiling water bath heating is sufficiently gelatinized, obtains starch solution；
(2) starch solution after gelatinization is digested into certain time, then heats to terminate the activity of enzyme, obtains product A；
(3) by product A centrifugation, crystallization, filtering, vacuum drying obtains nano-starch particle；
(4) by gained nano-starch particle, nano-starch eliminating smell agent is prepared in supersound washing.
2. a kind of preparation method of nano-starch eliminating smell agent according to claim 1, it is characterised in that: in step (1), institute
Starch is stated using cornstarch, potato starch, soybean starch or glutinous rice starch；The buffer uses phosphoric acid, citrate
Or acetate, wherein the pH=4.0-6.0 of the buffer.
3. a kind of preparation method of nano-starch eliminating smell agent according to claim 1, it is characterised in that: in step (1), institute
Concentration of the starch in buffer is stated as (1-20) %, and boiling water bath heating stirring (30-60) minute.
4. a kind of preparation method of nano-starch eliminating smell agent according to claim 1, it is characterised in that:, will in step (2)
Starch solution after gelatinization naturally cools to 58 DEG C, and Pullulanase solution is added according to the amount of 30ASPU/g starch；And it is placed on
(2-24) h is digested in 58 DEG C of thermostat water bath.
5. a kind of preparation method of nano-starch eliminating smell agent according to claim 1, it is characterised in that: in step (2), adopt
With 100 DEG C of heating (30-60) minutes, enzymatic activity is terminated.
6. a kind of preparation method of nano-starch eliminating smell agent according to claim 1, it is characterised in that: in step (3), institute
Product A is stated with 3000rpm/min centrifugation 15 minutes；Aspirate supernatant is placed in preservation 12h in (0-4) DEG C refrigerator and is recrystallized；
Holding low temperature, filtration washing 3-8 times.
7. a kind of preparation method of nano-starch eliminating smell agent according to claim 1, it is characterised in that: in step (4), institute
It states nano-starch particle supersound washing solution and uses (0.1-10) % nano-starch particle, (0.1-10) % dispersing agent, (0.01-
10) buffer of % antiseptic and antibiotic agent and pH=(4-6), ultrasound 30 minutes.
8. a kind of preparation method of nano-starch eliminating smell agent according to claim 7, it is characterised in that: in step (4), institute
Dispersing agent is stated using dodecyl sodium sulfate, neopelex, Tween 80 or sorbester p17.
9. a kind of preparation method of nano-starch eliminating smell agent according to claim 7, it is characterised in that: in step (4), institute
Antiseptic and antibiotic agent is stated using benzalkonium chloride, benzalkonium bromide, methylisothiazolinone, methylchloroisothiazandnone or Phenoxyethanol.
10. a kind of preparation method of nano-starch eliminating smell agent according to claim 7, it is characterised in that: in step (4),
The buffer uses phosphoric acid, citrate or acetate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810915528.XA CN109260491A (en) | 2018-08-13 | 2018-08-13 | A kind of preparation method of nano-starch eliminating smell agent |
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| CN201810915528.XA CN109260491A (en) | 2018-08-13 | 2018-08-13 | A kind of preparation method of nano-starch eliminating smell agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439538A (en) * | 2020-10-16 | 2021-03-05 | 中南林业科技大学 | Method for separating starch with different particle sizes |
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| CN102965409A (en) * | 2012-12-05 | 2013-03-13 | 青岛农业大学 | Environmental-friendly technology for synchronously extracting sugar and starch nanocrystallines by using enzymatic method |
| CN102964609A (en) * | 2012-12-05 | 2013-03-13 | 青岛农业大学 | Biological preparation method for natural safe starch nano particles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439538A (en) * | 2020-10-16 | 2021-03-05 | 中南林业科技大学 | Method for separating starch with different particle sizes |
| CN112439538B (en) * | 2020-10-16 | 2022-08-05 | 中南林业科技大学 | Method for separating starch with different particle sizes |
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