CN107604752A - A kind of preparation method for the antibacterial sucrose wrapping paper that develops the color - Google Patents
A kind of preparation method for the antibacterial sucrose wrapping paper that develops the color Download PDFInfo
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Abstract
The invention discloses a kind of preparation method for the antibacterial sucrose wrapping paper that develops the color.The present invention is by preparing Micronomicin Sulfate capsule of nano, Micronomicin Sulfate is largely discharged when may be implemented in pH≤5, then by Micronomicin Sulfate capsule of nano and it is Congo red be loaded in the duct of porous silica silicon grain, finally Micronomicin Sulfate capsule of nano/Congo red/porous silica silicon grain, glucose oxidase and Tea Polyphenols is uniformly distributed in bacteria cellulose and sodium alginate and coagulant liquid and being coated on basic unit's paper is made obtains the antibacterial sucrose wrapping paper that develops the color.Wrapping paper made from this method may be implemented in different phase putrid and deteriorated during sucrose preserves by the visual display of color change of wrapping paper to prompt eater, there is antibacterial, oxidation resistant effect simultaneously, effectively prevent that sucrose is putrid and deteriorated, extended shelf life, sucrose is set still to keep original color and luster and trophic level in a long time.
Description
Technical field
The invention belongs to the preparation method technical field of food wrapper, and in particular to one kind colour developing antibacterial sucrose wrapping paper
Preparation method.
Background technology
China is both the big producer of sucrose, and sugar consumption big country.Sucrose is by the hemiacetal of a molecule glucose
The hemiacetal hydroxyl of hydroxyl and a molecule fructose is condensed dehydration and formed each other.Sucrose is during preservation, due to the dirt of microorganism
Dye makes sucrose be hydrolyzed into glucose, and then microorganism anaerobic respiration metabolism produces acid, causes sucrose putrid and deteriorated.
In daily life, the preservation to sucrose is essential, but because long-time preserves or stores not
When then easily causing sucrose putrid and deteriorated.Generally, " shelf-life " that eater is packed by sucrose judges sucrose
Whether go bad, but if storage is improper, it is also possible to occur before the shelf-life rotten.Eater can also pass through news before consumption
Smell observes color change to judge whether to go bad, but artificial subjective factor is heavier, and different people is to the sensitive journey of smell
Spend different, the change of color is little subtle, easily causes to eat putrid and deteriorated sucrose by mistake, cause it is uncomfortable, seriously
Even can be poisoned.Not yet there is preferable method at present to come instant edible person differentiates putrid and deteriorated sugarcane in daily life
Sugar.
The content of the invention
It is an object of the invention to solve above-mentioned deficiency of the prior art, there is provided a kind of antibacterial sucrose wrapping paper that develops the color
Preparation method, wrapping paper made from this method may be implemented in different phase putrid and deteriorated during sucrose preserves and pass through wrapping paper
The visual display of color change prompt eater, while there is antibacterial, oxidation resistant effect, effectively prevent that sucrose is corrupt
It is rotten, extended shelf life, sucrose is still kept original color and luster and trophic level in a long time.
To achieve the above object, technical scheme is as follows：
A kind of preparation method for the antibacterial sucrose wrapping paper that develops the color, comprises the following steps：
(1) by Micronomicin Sulfate, styrene, hexadecane, normal octane, lauryl sodium sulfate, mass fraction be 15~
20% phosphate sodium dihydrogen buffer solution mixing, stirs, emulsifies 15~20min, 20~30min of ultrasonic disperse is obtained in ice bath
To monomer fine crankshaft liquid, N is passed through into monomer fine crankshaft liquid2, 75~80 DEG C are warming up to, potassium peroxydisulfate is added and reacts 2~3h, add
Enter acrylamide and continue 1.5~2h of reaction, be demulsified, be then centrifuged for saturation NaCl solution, dry, it is mould to obtain the small promise of sulfuric acid
The particle diameter of plain capsule of nano is 20~40nm；Described Micronomicin Sulfate, styrene, hexadecane, normal octane, dodecyl
Sodium sulphate, phosphate sodium dihydrogen buffer solution, potassium peroxydisulfate, the mass ratio of acrylamide are 1:50~60:8~10:5~6:4~5:
1000:5~6:0.6~0.8.Micronomicin Sulfate capsule of nano made from the step can largely discharge sulphur in PH≤5
Sour micronomicin, and the particle diameter of controllable Micronomicin Sulfate capsule of nano is in the range of 20~40nm.Because of the small promise of sulfuric acid
Mycin capsule of nano is loaded in the duct of porous silica silicon grain, so needing strict control Micronomicin Sulfate to receive
The particle diameter of rice microcapsules, matches with the aperture in porous silica silicon grain duct, ensures Micronomicin Sulfate capsule of nano
Useful load in duct.
(2) Micronomicin Sulfate capsule of nano made from porous silica silicon grain and step (1) is added to quality
Fraction is in 2.0~3.0% Congo red solution, and 6~12h is stirred at 40~50 DEG C, is cleaned, and drying, obtains the small promise of sulfuric acid
Mycin capsule of nano/Congo red/porous silica silicon grain；The aperture of described porous silica silicon grain be 80~
100nm；Porous silica silicon grain, Micronomicin Sulfate capsule of nano, Congo red mass ratio in the step (2) are
10:10~20:1~2.The step makes Micronomicin Sulfate capsule of nano and Congo red is adsorbed to porous silica silicon grain
Duct in, and its useful load in the duct of porous silica silicon grain is reached maximum, be Micronomicin Sulfate and the Congo
Red reaction provides place, is remained in after reaction in duct, avoids directly contacting with packaging sucrose.
(3) bacteria cellulose is dissolved in aqueous isopropanol and bacterial cellulose solution is made, then added step (2) and be made
Micronomicin Sulfate capsule of nano/Congo red/porous silica silicon grain, stir, obtain mixed liquor A.Bacterium is fine
Dimension element has nanometer porous structure, and Micronomicin Sulfate capsule of nano/Congo red/porous silica silicon grain can uniformly divide
Cloth is in bacteria cellulose.
(4) sodium alginate, glucose oxidase, Tea Polyphenols are added in distilled water, stirs, obtain mixed liquid B.
(5) mixed liquor A made from step (3) is added in mixed liquid B made from step (4), then adds gelatin,
0.5~1h is stirred at 60~70 DEG C, obtains coagulant liquid.
(6) coagulant liquid made from step (5) is coated on basic unit's paper, forms colour developing antibacterial after drying on basic unit's paper
Layer, obtain the antibacterial sucrose wrapping paper that develops the color.
Further, the bacteria cellulose in the step (3) and Micronomicin Sulfate capsule of nano/Congo red/more
The mass ratio of hole silica dioxide granule is 5:1~2, the mass fraction of aqueous isopropanol is 60~80%, bacterial cellulose solution
Mass fraction be 20~25%.
Further, mixed liquid B made from the step (4) is counted in parts by weight, is made up of following：Sodium alginate 10~
20 parts, 0.5~1.0 part of glucose oxidase, 0.05~0.2 part of Tea Polyphenols, 40~50 parts of distilled water.
Further, the mass ratio of the gelatin in the step (5) and the sodium alginate in step (4) is 1:5~10.
Further, the volume ratio of the mixed liquor A in the step (5) and mixed liquid B is 2:1.
Preferably, the coating weight in the step (6) is 1~10g/m2。
The colour developing principle of colour developing antibacterial sucrose wrapping paper prepared by the present invention is：During sucrose preserves, due to microorganism
Pollution sucrose is hydrolyzed into glucose, then microorganism anaerobic respiration metabolism produce acid, cause sucrose putrid and deteriorated, now
PH is changed into acid.Illustrate sucrose microbial contamination as PH≤5, predominantly non-spore bacteria, may be used also by high-temperature sterilization
To continue edible but should not continue to preserve；As PH≤3, illustrate that sucrose is polluted by multiple-microorganism, it is seriously putrid and deteriorated,
It is inedible.It is Congo red PH be 5.0~3.0 when, bluish violet is changed into from red.The priming color of wrapping paper is red, works as PH
When≤5, Micronomicin Sulfate capsule of nano largely discharges Micronomicin Sulfate, PH Micronomicin Sulfates between 5 to 4
Burst size reaches more than 90%, Micronomicin Sulfate and Congo red generation color fading reaction, the red of wrapping paper is shoaled, now carries
Show that eater should could eat sucrose by high-temperature sterilization, and should not continue to preserve；It is Congo red to become blue as PH≤3
Purple, wrapping paper color is changed into bluish violet, now prompt eater's sucrose seriously putrid and deteriorated, it is inedible, should be by sugarcane
Sugar is removed abandon as early as possible.
The antibacterial mechanisms of colour developing antibacterial sucrose wrapping paper prepared by the present invention are：Sucrose preserve process, due to micro- life
The pollution of thing makes sucrose be hydrolyzed into glucose, and then microorganism anaerobic respiration metabolism produces acid, causes sucrose putrid and deteriorated.Portugal
Grape carbohydrate oxidase can be catalyzed glucose under aerobic conditions and produce hydrogen peroxide, except the oxygen in unlap, so as to suppress aerobic micro-
Biology；Because reaction consumes glucose, follow-up anaerobic respiration production acid can be suppressed；The hydrogen peroxide of reaction generation has sterilizing
Effect, effectively prevent the putrid and deteriorated of sucrose.Tea Polyphenols has very strong antioxidation, makes sucrose in a long time still
Original color and luster and trophic level are kept, can effectively prevent the putrid and deteriorated of sucrose, and peculiar smell can be eliminated.
The invention has the advantages that：
1. colour developing antibacterial sucrose wrapping paper produced by the present invention may be implemented in difference putrid and deteriorated during sucrose preserves
Stage prompts eater by the visual display of color change of wrapping paper.
2. colour developing antibacterial sucrose wrapping paper produced by the present invention has antibacterial, oxidation resistant effect, sucrose is effectively prevented
It is putrid and deteriorated, extend the pot-life of sucrose, sucrose is still kept original color and luster and trophic level in a long time.
It is 3. of the invention by Micronomicin Sulfate capsule of nano and the Congo red duct for being loaded in porous silica silicon grain
In, place is provided for Micronomicin Sulfate and Congo red reaction, and remained in after reacting in duct, avoid and packaging sugarcane
Sugar is directly contacted and is transferred in sucrose.
4. the present invention using the bacteria cellulose with loose structure, make Micronomicin Sulfate capsule of nano/Congo red/
Porous silica silicon grain can be evenly distributed in bacteria cellulose, so as to ensure Micronomicin Sulfate capsule of nano/the Congo
Red/porous silica silicon grain being uniformly distributed in wrapping paper.
5. the bacteria cellulose of the present invention can form three-dimensional interpenetrating polymer network structure with sodium alginate, the micelle that gelatin is formed passes through
It is through in the three-dimensional net structure that bacteria cellulose is formed with sodium alginate, while-the NH of-the COO- of sodium alginate and gelatin3 +
Electrostatic interaction is formed, can be effectively by Micronomicin Sulfate capsule of nano/Congo red/porous silica silicon grain, grape glycosyloxy
Change enzyme and Tea Polyphenols is uniformly embedded in three-dimensional net structure, while the work of sustained release is played to glucose oxidase and Tea Polyphenols
With.
Specific embodiment
Technical scheme is described further with reference to embodiment.
Embodiment 1
A kind of preparation method for the antibacterial sucrose wrapping paper that develops the color, the preparation method comprise the following steps that：
(1) by 1g Micronomicin Sulfates, 50g styrene, 8g hexadecanes, 5g normal octanes, 4g lauryl sodium sulfate,
1000g, 15wt% phosphate sodium dihydrogen buffer solution mixing, stir, emulsify 15min, ultrasonic disperse 20min is obtained in ice bath
To monomer fine crankshaft liquid, N is passed through into monomer fine crankshaft liquid2, 75 DEG C are warming up to, 5g potassium peroxydisulfates reaction 2h is added, adds
0.6g acrylamides continue to react 1.5h, are demulsified, are then centrifuged for saturation NaCl solution, dry, the obtained small promise of sulfuric acid
The particle diameter of mycin capsule of nano is 20~40nm；
(2) Micronomicin Sulfate capsule of nano made from 10g porous silicas silicon grain and 10g steps (1) is added
To 50g, in 2.0wt% Congo red solution, 6h is stirred at 40 DEG C, is cleaned, drying, obtains the micro- glue of Micronomicin Sulfate nanometer
Capsule/Congo red/porous silica silicon grain；The aperture for selecting porous silica silicon grain is 80~100nm；
(3) 50g bacteria celluloses are dissolved in 150g, 60wt% aqueous isopropanol and bacterial cellulose solution is made, so
Micronomicin Sulfate capsule of nano/Congo red/porous silica silicon grain made from 10g steps (2) is added afterwards, and stirring is equal
It is even, obtain mixed liquor A；
(4) 10g sodium alginates, 0.5g glucose oxidases, 0.05g Tea Polyphenols are added in 40mL distilled water, stirring is equal
It is even, obtain mixed liquid B；
(5) mixed liquor A made from step (3) is added in whole mixed liquid Bs made from step (4), mixed liquor A is with mixing
The volume ratio for closing liquid B is 2:1,2g gelatin is then added, 0.5h is stirred at 60 DEG C, obtains coagulant liquid；
(6) it is 1g/m by coating weight by coagulant liquid made from step (5)2It is coated on basic unit's paper, in basic unit's paper after drying
It is upper to form colour developing antibiotic layer, obtain the antibacterial sucrose wrapping paper that develops the color.
Embodiment 2
A kind of preparation method for the antibacterial sucrose wrapping paper that develops the color, the preparation method comprise the following steps that：
(1) by 1g Micronomicin Sulfates, 55g styrene, 9g hexadecanes, 5.5g normal octanes, 4.5g lauryl sodium sulfate,
1000g, 18wt% phosphate sodium dihydrogen buffer solution mixing, stir, emulsify 18min, ultrasonic disperse 25min is obtained in ice bath
To monomer fine crankshaft liquid, N is passed through into monomer fine crankshaft liquid2, 78 DEG C are warming up to, 5.5g potassium peroxydisulfates reaction 2.5h is added, adds
Enter 0.7g acrylamides to continue to react 1.8h, be demulsified, be then centrifuged for saturation NaCl solution, dried, obtained sulfuric acid is small
The particle diameter of promise mycin capsule of nano is 20~40nm；
(2) Micronomicin Sulfate capsule of nano made from 10g porous silicas silicon grain and 15g steps (1) is added
To 50g, in 3.0wt% Congo red solution, 10h is stirred at 45 DEG C, is cleaned, drying, it is micro- to obtain Micronomicin Sulfate nanometer
Capsule/Congo red/porous silica silicon grain；The aperture for selecting porous silica silicon grain is 80~100nm；
(3) 50g bacteria celluloses are dissolved in 200g, bacterial cellulose solution are made in 60wt% aqueous isopropanol, so
Micronomicin Sulfate capsule of nano/Congo red/porous silica silicon grain made from 15g steps (2) is added afterwards, and stirring is equal
It is even, obtain mixed liquor A；
(4) 15g sodium alginates, 0.8g glucose oxidases, 0.1g Tea Polyphenols are added in 45mL distilled water, stirring is equal
It is even, obtain mixed liquid B；
(5) mixed liquor A made from step (3) is added in whole mixed liquid Bs made from step (4), mixed liquor A is with mixing
The volume ratio for closing liquid B is 2:1,3g gelatin is then added, 0.8h is stirred at 65 DEG C, obtains coagulant liquid；
(6) it is 5g/m by coating weight by coagulant liquid made from step (5)2It is coated on basic unit's paper, in basic unit's paper after drying
It is upper to form colour developing antibiotic layer, obtain the antibacterial sucrose wrapping paper that develops the color.
Embodiment 3
A kind of preparation method for the antibacterial sucrose wrapping paper that develops the color, the preparation method comprise the following steps that：
(1) by 1g Micronomicin Sulfates, 60g styrene, 10g hexadecanes, 6g normal octanes, 5g lauryl sodium sulfate,
1000g, 20wt% phosphate sodium dihydrogen buffer solution mixing, stir, emulsify 20min, ultrasonic disperse 30min is obtained in ice bath
To monomer fine crankshaft liquid, N is passed through into monomer fine crankshaft liquid2, 80 DEG C are warming up to, 6g potassium peroxydisulfates reaction 3h is added, adds
0.8g acrylamides continue to react 2h, are demulsified, are then centrifuged for saturation NaCl solution, dry, and the obtained small promise of sulfuric acid is mould
The particle diameter of plain capsule of nano is 20~40nm；
(2) Micronomicin Sulfate capsule of nano made from 10g porous silicas silicon grain and 20g steps (1) is added
To 80g, in 2.5wt% Congo red solution, 12h is stirred at 50 DEG C, is cleaned, drying, it is micro- to obtain Micronomicin Sulfate nanometer
Capsule/Congo red/porous silica silicon grain；The aperture for selecting porous silica silicon grain is 80~100nm；
(3) 50g bacteria celluloses are dissolved in 150g, bacterial cellulose solution are made in 80wt% aqueous isopropanol, so
Micronomicin Sulfate capsule of nano/Congo red/porous silica silicon grain made from 20g steps (2) is added afterwards, and stirring is equal
It is even, obtain mixed liquor A；
(4) 20g sodium alginates, 1.0g glucose oxidases, 0.2g Tea Polyphenols are added in 50mL distilled water, stirring is equal
It is even, obtain mixed liquid B；
(5) mixed liquor A made from step (3) is added in whole mixed liquid Bs made from step (4), mixed liquor A is with mixing
Liquid B volume ratio is 2:1,2g gelatin is then added, 1h is quickly stirred at 70 DEG C, obtains coagulant liquid；
(6) it is 10g/m by coating weight by coagulant liquid made from step (5)2It is coated on basic unit's paper, in basic unit's paper after drying
It is upper to form colour developing antibiotic layer, obtain the antibacterial sucrose wrapping paper that develops the color.
Embodiment 4
The obtained colour developing antibacterial sucrose wrapping paper of embodiment 1~3 and basic unit's paper (control group) are subjected to PH colour tests, knot
Fruit is as shown in table 1.
The PH colour test situation tables of table 1
| Project | PH ﹥ 5 | PH=5 | PH=4 | PH=3 |
| Embodiment 1 | It is red | Light red | More light red | Bluish violet |
| Embodiment 2 | It is red | Light red | More light red | Bluish violet |
| Embodiment 3 | It is red | Light red | More light red | Bluish violet |
| Control group | White | White | White | White |
As can be seen here, the wrapping paper that prepared by the present invention can play a part of identification and instruction to the putrid and deteriorated of sucrose.
Embodiment 5
Sucrose is packed using the obtained colour developing antibacterial sucrose wrapping paper of embodiment 1~3 and basic unit's paper (control group)
Preserve, observation is compared to its preservation effect, as a result as shown in table 2 and table 3.
The germ contamination situation of sucrose after table 2 preserves 1~6 month
The color and luster and smell situation of sucrose after table 3 preserves 1~6 month
As can be seen here, wrapping paper produced by the present invention has antibacterial and oxidation resistant effect, effectively prevents the corruption of sucrose
It is rotten, extended shelf life, sucrose is still kept original color and luster and trophic level in a long time.
Claims (6)
1. a kind of preparation method for the antibacterial sucrose wrapping paper that develops the color, it is characterised in that comprise the following steps：
(1) it is 15~20% by Micronomicin Sulfate, styrene, hexadecane, normal octane, lauryl sodium sulfate, mass fraction
Phosphate sodium dihydrogen buffer solution mixing, stir, emulsify 15~20min, 20~30min of ultrasonic disperse obtains list in ice bath
Body fine crankshaft liquid, N is passed through into monomer fine crankshaft liquid2, 75~80 DEG C are warming up to, potassium peroxydisulfate is added and reacts 2~3h, add third
Acrylamide continues 1.5~2h of reaction, is demulsified, is then centrifuged for saturation NaCl solution, drying, obtains Micronomicin Sulfate and receives
The particle diameter of rice microcapsules is 20~40nm；Described Micronomicin Sulfate, styrene, hexadecane, normal octane, dodecyl sulphate
Sodium, phosphate sodium dihydrogen buffer solution, potassium peroxydisulfate, the mass ratio of acrylamide are 1:50~60:8~10:5~6:4~5:1000:
5~6:0.6~0.8；
(2) Micronomicin Sulfate capsule of nano made from porous silica silicon grain and step (1) is added to mass fraction
For in 2.0~3.0% Congo red solution, 6~12h is stirred at 40~50 DEG C, clean, drying, obtain Micronomicin Sulfate
Capsule of nano/Congo red/porous silica silicon grain；The aperture of described porous silica silicon grain is 80~100nm；Institute
Porous silica silicon grain, Micronomicin Sulfate capsule of nano, the Congo red mass ratio stated are 10:10~20:1~2；
(3) bacteria cellulose is dissolved in aqueous isopropanol and bacterial cellulose solution is made, then add sulphur made from step (2)
Sour micronomicin capsule of nano/Congo red/porous silica silicon grain, stirs, obtains mixed liquor A；
(4) sodium alginate, glucose oxidase, Tea Polyphenols are added in distilled water, stirs, obtain mixed liquid B；
(5) mixed liquor A made from step (3) is added in mixed liquid B made from step (4), then adds gelatin, 60~
0.5~1h is stirred at 70 DEG C, obtains coagulant liquid；
(6) coagulant liquid made from step (5) is coated on basic unit's paper, forms colour developing antibiotic layer after drying on basic unit's paper, obtain
To colour developing antibacterial sucrose wrapping paper.
A kind of 2. preparation method of antibacterial sucrose wrapping paper that develops the color according to claim 1, it is characterised in that the step
(3) mass ratio of bacteria cellulose and Micronomicin Sulfate capsule of nano/Congo red/porous silica silicon grain in is 5:
1~2, the mass fraction of aqueous isopropanol is 60~80%, and the mass fraction of bacterial cellulose solution is 20~25%.
A kind of 3. preparation method of antibacterial sucrose wrapping paper that develops the color according to claim 1, it is characterised in that the step
(4) mixed liquid B is counted in parts by weight made from, is made up of following：10~20 parts of sodium alginate, glucose oxidase 0.5~1.0
Part, 0.05~0.2 part of Tea Polyphenols, 40~50 parts of distilled water.
A kind of 4. preparation method of antibacterial sucrose wrapping paper that develops the color according to claim 1, it is characterised in that the step
(5) mass ratio of the gelatin in and the sodium alginate in step (4) is 1:5~10.
A kind of 5. preparation method of antibacterial sucrose wrapping paper that develops the color according to claim 1, it is characterised in that the step
(5) volume ratio of mixed liquor A and mixed liquid B in is 2:1.
A kind of 6. preparation method of antibacterial sucrose wrapping paper that develops the color according to claim 1, it is characterised in that the step
(6) coating weight in is 1~10g/m2。
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|---|---|---|---|
| CN201710840899.1A CN107604752B (en) | 2017-09-18 | 2017-09-18 | Preparation method of chromogenic antibacterial sucrose packaging paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710840899.1A CN107604752B (en) | 2017-09-18 | 2017-09-18 | Preparation method of chromogenic antibacterial sucrose packaging paper |
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| CN107604752B CN107604752B (en) | 2020-04-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110195355A (en) * | 2019-06-10 | 2019-09-03 | 安踏（中国）有限公司 | A kind of bacterium instruction yarn, fabric and clothes |
| CN113293652A (en) * | 2021-06-25 | 2021-08-24 | 云南中烟工业有限责任公司 | Cigarette tipping paper with fragrance and flavor and manufacturing method thereof |
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| CN107604752B (en) | 2020-04-03 |
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