CN103910911A - Preparation method of long-acting antibacterial edible film with sustained release effect - Google Patents
Preparation method of long-acting antibacterial edible film with sustained release effect Download PDFInfo
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- CN103910911A CN103910911A CN201410119943.6A CN201410119943A CN103910911A CN 103910911 A CN103910911 A CN 103910911A CN 201410119943 A CN201410119943 A CN 201410119943A CN 103910911 A CN103910911 A CN 103910911A
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Abstract
The invention discloses a preparation method of a long-acting antibacterial edible film with a sustained release effect. According to the method, cellulose sodium sulfate is used as a base material, natural essential oil is used as an antibacterial agent and cyclodextrin is used as a sustained release agent and a deodorant; and the steps of dissolution, homogenization, degassing, film preparation, drying and the like are carried out to prepare a long-acting antibacterial edible packaging film with a sustained release essential oil characteristic. According to the method, the utilization rate of the essential oil can be improved, the release time of the essential oil can be prolonged, the prepared edible film has favorable mechanical property, barrier property and long-acting antibacterial property, and the packaging requirements of other food such as cookies, cakes, fruits and the like.
Description
Technical field
The present invention relates to food processing field, in particular, relate to a kind of preparation method of edible film.
Background technology
The environmental problem of bringing along with safety problem and the packing thereof of food self gets more and more people's extensive concerning day by day, edible film is with its safety, easy degraded, non-environmental-pollution, and can be used as the advantage such as nutrition-fortifying agent, carrier, become the focus of food product pack area research.Edible film is a kind of take edible natural material (as protein, polysaccharide, lipid etc.) as raw material, to pack or the form such as coating is covered in food surfaces, the infiltration of control water, oxygen and various solutes, the thin layer shielding.The nutrition of edible film own is abundanter, easily grows microorganism, can cause the Quality Down such as mechanical property, barrier property of product in preservation process.Therefore strengthen the antibacterial of edible film, can prevent that food and film itself are subject to microbiological contamination, thereby extend the shelf-lives of food.Edibility antibacterial film is that one is added antiseptic-germicide in edible film, reaches functional film antibacterial, freshening effect.
The antiseptic-germicide adding in edible film mainly comprises inorganic antiseptic, synthetic antibacterial agents and natural antibacterial agent.Natural antibacterial agent is because of its distinctive security advantages, more easily by human consumer is accepted.Essential oil, as one of a kind of conventional natural antibacterial agent, because having good oxidation-resistance and anti-microbial property, is subject to food producer and human consumers' common welcome.Mainly direct mode of averaging containing the preparation method of the antibacterial edible film of essential oil class at present, this method is in the dry process of film and in the middle of the preservation of film later stage, because the easy volatile of essential oil, can cause a large amount of losses of essential oil, cause the utilization ratio of essential oil extremely low, and can not long acting antibiotic, limit the application of such film.Therefore it is very necessary, developing a kind of essential oil utilization ratio preparation method high and edible film that can long acting antibiotic.
Summary of the invention
The object of the invention is the technical problem in order to overcome a large amount of losses of essential oil in the antibacterial edible film of existing essential oil class, a kind of preparation method of long acting antibiotic edible film of tool slow releasing function is provided, alternative or part substituted for plastic packing film, is applied to food product pack field.
A preparation method for the long acting antibiotic edible film of tool slow releasing function, comprises the steps:
(1) cyclodextrin is added in distilled water, make cyclodextrin aqueous solution;
(2) in cyclodextrin aqueous solution, add essential oil-alcohol mixeding liquid, stirring at room temperature 2-6h, makes cyclodextrin-essential oil inclusion compound suspension liquid;
(3) in the suspension liquid making in step (2), add stablizer, stirring at room temperature 5-30min, makes stable cyclodextrin-essential oil inclusion compound emulsion;
In this stable cyclodextrin-essential oil inclusion compound emulsion, the weight ratio of essential oil is 0.02-1.2%, and the weight ratio of cyclodextrin is 0.2-0.8%, and the weight ratio of ethanol is 0.02-1.2%, and the weight ratio of stablizer is 0.02-0.24%;
(4) in the emulsion making in step (3), add Ushercell powder and softening agent, stirring at room temperature 2-4h, then vacuum outgas, makes Ushercell-cyclodextrin-essential oil film forming liquid;
In this Ushercell-cyclodextrin-essential oil film forming liquid, the weight ratio of Ushercell powder is 1-2%, the weight ratio 0.15-0.30% of softening agent;
(5) the film forming liquid masking making by step (4), at 25～45 ℃ of dry 24-48h, obtains the antibacterial edible film of slow release long-acting containing essential oil after moulding.
Described cyclodextrin adopts one or more the combination in alpha-cylodextrin, beta-cyclodextrin, γ-cyclodextrin.
Described natural essential oil adopts one or more the combination in mustard essential oil, Herba Origani Vulgaris quintessence oil, cinnamon essential oil, clove oil, Bulbus Allii quintessence oil, thyme oil, West Indian lemon grass essential oil, Bergamot, lemon quintessence oil, tea tree ethereal oil, rosemary ethereal oil, peppermint essential oil, Flos Matricariae chamomillae essential oil, bitter orange essential oil, oil of Cymbopogon winterianus, coriandrum essential oil, tarragon essential oil, rose essential oil.
The combination of one or both in described stablizer employing tween-80, tween 20.
In described Ushercell-cyclodextrin-essential oil film forming liquid, the kinematic viscosity of the aqueous solution that its weight percent of the Ushercell using is 2% is 300-1200mPaS
-1.
The combination of one or both in described softening agent employing water, glycerine, propylene glycol, sorbyl alcohol, Xylitol, N.F,USP MANNITOL, ethylene glycol, glucose, fructose, sucrose, citric acid.
Adopt after such scheme, in the preparation method of the long acting antibiotic edible film of a kind of tool slow releasing function of the present invention, Ushercell is cellulosic a kind of sulfonated derivative, has good film forming properties.But common Ushercell base edible film is because its nutrition is abundanter, easily grows microorganism, can cause the Quality Down such as mechanical property, barrier property of product in preservation process.In order to make up this defect, the present invention adopts the mode of adding natural essential oil, and preparing can antimicrobial Ushercell-essential oil antimicrobial compound film.
Preparation is mainly direct mode of averaging containing the antibacterial edible film method of essential oil both at home and abroad at present.Directly to have essential oil utilization ratio low for mode of averaging, and can not long acting antibiotic etc. shortcoming.The present invention adds cyclodextrin in preparation, and essential oil is carried out to inclusion, and then mixes with membrane matrix, can improve the utilization ratio of essential oil, and can reach the antibacterial effect of slow release long-acting.
Tool of the present invention has the following advantages:
1, Ushercell-cyclodextrin-essential oil antimicrobial compound film that prepared by the present invention has good physical strength, transparency, oil resistance, snappiness and ageing resistance, there is edibility, all biodegradability and anti-microbial property, can avoid pollution and the pollution of microorganism to film and food of non-degraded On Environment of Food Package.
2, the present invention adds sustained release dosage cyclodextrin in the middle of the preparation process of film, has improved the utilization ratio of essential oil, and can reach the antibacterial effect of slow release long-acting.
Embodiment
In the preparation method of the long acting antibiotic edible film of a kind of tool slow releasing function of the present invention, the combination of one or more in cyclodextrin employing alpha-cylodextrin, beta-cyclodextrin, γ-cyclodextrin.The combination of one or more in natural essential oil employing mustard essential oil, Herba Origani Vulgaris quintessence oil, cinnamon essential oil, clove oil, Bulbus Allii quintessence oil, thyme oil, West Indian lemon grass essential oil, Bergamot, lemon quintessence oil, tea tree ethereal oil, rosemary ethereal oil, peppermint essential oil, Flos Matricariae chamomillae essential oil, bitter orange essential oil, oil of Cymbopogon winterianus, coriandrum essential oil, tarragon essential oil, rose essential oil.The combination of one or both in stablizer employing tween-80, tween 20.In Ushercell-cyclodextrin-essential oil film forming liquid, the kinematic viscosity of its aqueous solution of the Ushercell using (2%w/w) is 300-1200mPaS
-1.The combination of one or both in softening agent employing water, glycerine, propylene glycol, sorbyl alcohol, Xylitol, N.F,USP MANNITOL, ethylene glycol, glucose, fructose, sucrose, citric acid.
Embodiment 1:
(1) 0.2g beta-cyclodextrin is added in 100ml distilled water, make the beta-cyclodextrin aqueous solution;
(2) in the beta-cyclodextrin aqueous solution making in step (1), add the mixed solution of 0.04ml mustard essential oil and ethanol, wherein the volume ratio of mustard essential oil and ethanol is 1:1, and 25 ℃ of induction stirring 2h make beta-cyclodextrin-mustard essential oil inclusion compound suspension liquid;
(3) in the suspension liquid making in step (2), add the tween-80 of 0.02ml, stir 5min, make stable beta-cyclodextrin-mustard essential oil inclusion compound emulsion;
(4) in the emulsion making in step (3), add 2g Ushercell powder and 0.3g glycerine, stir 2h, then vacuum outgas, makes Ushercell-beta-cyclodextrin-mustard essential oil film forming liquid;
(5) film forming liquid step (4) being made is poured over masking on smooth polypropylene plastics flitch, and after moulding, at 30 ℃ of dry 48h, can make thickness is the long acting antibiotic edible film of 30 μ m, anticolibacillary tool slow releasing function.
The edible film making and surface are scribbled to colibacillary nutrient agar flat board, be jointly placed in encloses container, within 60 days, generate without intestinal bacteria bacterium colony.
Embodiment 2:
The difference of the present embodiment and embodiment 1 is only: the consumption of γ-cyclodextrin is 0.6g, and the consumption of mustard essential oil-alcohol mixeding liquid is 0.36ml, and the consumption of tween-80 is 0.04ml.All the other conditions are with embodiment 1.Can make thickness is the long acting antibiotic edible film of the tool slow releasing function of 35 μ m, Chinese People's Anti-Japanese Military and Political College enterobacteria and streptococcus aureus.
The nutrient agar flat board that the edible film making, surface is scribbled to colibacillary nutrient agar flat board and streptococcus aureus, is placed in encloses container jointly, within 60 days, does not observe streptococcus aureus bacterium colony and intestinal bacteria bacterium colony.
Embodiment 3:
(1) 0.6g beta-cyclodextrin is added in 100ml distilled water, make the beta-cyclodextrin aqueous solution;
(2) in the beta-cyclodextrin aqueous solution making in step (1), add the mixed solution of 0.8ml Herba Origani Vulgaris quintessence oil and ethanol, wherein Herba Origani Vulgaris quintessence oil is 1:1 ratio with the volume ratio of ethanol, and 25 ℃ of induction stirring 4h make beta-cyclodextrin-Herba Origani Vulgaris quintessence oil inclusion compound suspension liquid;
(3) in the suspension liquid making in step (2), add the tween-80 of 0.08ml, stir 10min, make stable beta-cyclodextrin-Herba Origani Vulgaris quintessence oil inclusion compound emulsion;
(4) in the emulsion making in step (3), add 1g Ushercell powder and 0.15g glycerine, stir 2h, then vacuum outgas, makes Ushercell-beta-cyclodextrin-Herba Origani Vulgaris quintessence oil film forming liquid;
(5) film forming liquid step (4) being made is poured over masking on smooth polypropylene plastics flitch, and after moulding, at 25 ℃ of dry 48h, can make thickness is the long acting antibiotic edible film of the tool slow releasing function of 40 μ m, Chinese People's Anti-Japanese Military and Political College enterobacteria and streptococcus aureus.
The nutrient agar flat board that the edible film making, surface is scribbled to colibacillary nutrient agar flat board and streptococcus aureus, is placed in encloses container jointly, within 60 days, does not observe streptococcus aureus bacterium colony and intestinal bacteria bacterium colony.
Embodiment 4:
(1) 0.6g beta-cyclodextrin is added in 100ml distilled water, make the beta-cyclodextrin aqueous solution;
(2) in the cyclodextrin aqueous solution making in step (1), add the mixed solution of 1.2ml clove oil and ethanol, wherein the volume ratio of clove oil and ethanol is 1:1, and 25 ℃ of induction stirring 6h make beta-cyclodextrin-clove oil inclusion compound suspension liquid;
(3) in the suspension liquid making in step (2), add the tween 20 of 0.12ml, stir 10min, make stable beta-cyclodextrin-clove oil inclusion compound emulsion;
(4) in the emulsion making in step (3), add 2g Ushercell powder and 0.3g glycerine, stir 2h, then vacuum outgas, makes Ushercell-beta-cyclodextrin-clove oil film forming liquid;
(5) film forming liquid step (4) being made is poured over masking on smooth polypropylene plastics flitch, and after moulding, at 30 ℃ of dry 40h, can make thickness is the long acting antibiotic edible film of the tool slow releasing function of 44 μ m, Chinese People's Anti-Japanese Military and Political College enterobacteria and streptococcus aureus.
The nutrient agar flat board that the edible film making, surface is scribbled to colibacillary nutrient agar flat board and streptococcus aureus, is placed in encloses container jointly, within 60 days, does not observe streptococcus aureus bacterium colony and intestinal bacteria bacterium colony.
Embodiment 5:
(1) 0.6g alpha-cylodextrin is added in 100ml distilled water, make the alpha-cylodextrin aqueous solution;
(2) in the beta-cyclodextrin aqueous solution making in step (1), add the mixed solution of 0.8ml Herba Origani Vulgaris quintessence oil and ethanol, wherein Herba Origani Vulgaris quintessence oil is 1:1 ratio with the volume ratio of ethanol, and 25 ℃ of induction stirring 4h make beta-cyclodextrin-Herba Origani Vulgaris quintessence oil inclusion compound suspension liquid;
(3) in the suspension liquid making in step (2), add the tween-80 of 0.08ml, stir 10min, make stable beta-cyclodextrin-Herba Origani Vulgaris quintessence oil inclusion compound emulsion;
(4) in the emulsion making in step (3), add 2g Ushercell powder and 0.2g glycerine, stir 2h, then vacuum outgas, makes Ushercell-alpha-cylodextrin-Herba Origani Vulgaris quintessence oil film forming liquid;
(5) film forming liquid step (4) being made is poured over masking on smooth polypropylene plastics flitch, and after moulding, at 35 ℃ of dry 24h, can make thickness is the long acting antibiotic edible film of the tool slow releasing function of 40 μ m, Chinese People's Anti-Japanese Military and Political College enterobacteria and streptococcus aureus.
The nutrient agar flat board that the edible film making, surface is scribbled to colibacillary nutrient agar flat board and streptococcus aureus, is placed in encloses container jointly, within 60 days, does not observe streptococcus aureus bacterium colony and intestinal bacteria bacterium colony.
Claims (6)
1. a preparation method for the long acting antibiotic edible film of tool slow releasing function, is characterized in that: comprise the steps:
(1) cyclodextrin is added in distilled water, make cyclodextrin aqueous solution;
(2) in cyclodextrin aqueous solution, add essential oil-alcohol mixeding liquid, stirring at room temperature 2-6h, makes cyclodextrin-essential oil inclusion compound suspension liquid;
(3) in the suspension liquid making in step (2), add stablizer, stirring at room temperature 5-30min, makes stable cyclodextrin-essential oil inclusion compound emulsion;
In this stable cyclodextrin-essential oil inclusion compound emulsion, the weight ratio of essential oil is 0.02-1.2%, and the weight ratio of cyclodextrin is 0.2-0.8%, and the weight ratio of ethanol is 0.02-1.2%, and the weight ratio of stablizer is 0.02-0.24%;
(4) in the emulsion making in step (3), add Ushercell powder and softening agent, stirring at room temperature 2-4h, then vacuum outgas, makes Ushercell-cyclodextrin-essential oil film forming liquid;
In this Ushercell-cyclodextrin-essential oil film forming liquid, the weight ratio of Ushercell powder is 1-2%, the weight ratio 0.15-0.30% of softening agent;
(5) the film forming liquid masking making by step (4), at 25～45 ℃ of dry 24-48h, obtains the long acting antibiotic edible film of tool slow releasing function after moulding.
2. the preparation method of the long acting antibiotic edible film of a kind of tool slow releasing function according to claim 1, is characterized in that: described cyclodextrin adopts one or more the combination in alpha-cylodextrin, beta-cyclodextrin, γ-cyclodextrin.
3. the preparation method of the long acting antibiotic edible film of a kind of tool slow releasing function according to claim 1, is characterized in that: described natural essential oil adopts one or more the combination in mustard essential oil, Herba Origani Vulgaris quintessence oil, cinnamon essential oil, clove oil, Bulbus Allii quintessence oil, thyme oil, West Indian lemon grass essential oil, Bergamot, lemon quintessence oil, tea tree ethereal oil, rosemary ethereal oil, peppermint essential oil, Flos Matricariae chamomillae essential oil, bitter orange essential oil, oil of Cymbopogon winterianus, coriandrum essential oil, tarragon essential oil, rose essential oil.
4. the preparation method of the long acting antibiotic edible film of a kind of tool slow releasing function according to claim 1, is characterized in that: the combination of one or both in described stablizer employing tween-80, tween 20.
5. the preparation method of the long acting antibiotic edible film of a kind of tool slow releasing function according to claim 1, it is characterized in that: in described Ushercell-cyclodextrin-essential oil film forming liquid, the kinematic viscosity of the aqueous solution that its weight percent of the Ushercell using is 2% is 300-1200mPaS
-1.
6. the preparation method of the long acting antibiotic edible film of a kind of tool slow releasing function according to claim 1, is characterized in that: the combination of one or both in described softening agent employing water, glycerine, propylene glycol, sorbyl alcohol, Xylitol, N.F,USP MANNITOL, ethylene glycol, glucose, fructose, sucrose, citric acid.
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| CN107691636A (en) * | 2017-09-22 | 2018-02-16 | 中国热带农业科学院海口实验站 | A kind of fruit antistaling agent and preparation method thereof and preservation method |
| CN108384064A (en) * | 2018-02-05 | 2018-08-10 | 广西大学 | A kind of bagasse base nano-antimicrobial preservative film and preparation method thereof |
| CN108384064B (en) * | 2018-02-05 | 2020-11-03 | 广西大学 | Bagasse-based nano antibacterial preservative film and preparation method thereof |
| CN111019173A (en) * | 2019-12-31 | 2020-04-17 | 江南大学 | Preparation method of degradable polylactic acid-glycolic acid composite material |
| CN111019173B (en) * | 2019-12-31 | 2021-05-04 | 江南大学 | Preparation method of degradable polylactic acid-glycolic acid composite material |
| CN113082119A (en) * | 2021-04-24 | 2021-07-09 | 孙乐河 | Antibacterial agent for resisting escherichia coli and preparation method thereof |
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| CN103910911B (en) | 2016-10-05 |
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