CN102643554B - Edible fishskin collagen antibiosis membrane and preparing method thereof - Google Patents
Edible fishskin collagen antibiosis membrane and preparing method thereof Download PDFInfo
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- CN102643554B CN102643554B CN2012101395127A CN201210139512A CN102643554B CN 102643554 B CN102643554 B CN 102643554B CN 2012101395127 A CN2012101395127 A CN 2012101395127A CN 201210139512 A CN201210139512 A CN 201210139512A CN 102643554 B CN102643554 B CN 102643554B
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The invention discloses an edible fishskin collagen antibiosis membrane and a preparing method thereof, wherein fishskin collagen, chitosan, plant essential oil, soya bean lecithin and glycerol are contained in component of the membrane. The preparing method includes: firstly dissolving the fishskin collagen powder in distilled water to prepare fishskin collagen solution, dissolving the chitosan in chitosan solution prepared by acetic acid solution, dissolving the plant essential oil in distilled water of the soya bean lecithin to prepare plant essential oil solution, mixing the three solutions, adding in the glycerol as the plasticizer, evenly stirring, standing for degassing, and removing and spreading the obtained solution on an organic glass framework for drying to obtain the membrane. The edible fishskin collagen antibiosis membrane has good antibiosis performance, can be biodegraded, causes no pollution to the environment, can restrain growing of microorganisms on the surface of food and accordingly has the effect of food refreshment and shelf life extending.
Description
Technical field
The present invention relates to a kind of edibility collagen of fish skin antibacterial film and preparation method thereof, belong to the applied technical field of anti-bacterial packaging film.
Background technology
In recent years, people, along with the enhancing of environmental consciousness, more and more pay close attention to environmental pollution and food-safety problem that Plastic Packaging Materials causes, and packaging material for food is had to higher requirement.Therefore, the edible packing membrane that utilizes natural biologic material to prepare for raw material is subject to showing great attention to of people.Edible film (Edible film) refers to that take edible natural material (as polysaccharide, protein, lipid etc.) is raw material, and the dense film with porous network structure formed by the differing molecular interphase interaction can be used for food product pack and the aspect such as fresh-keeping.In edible film, can add some antiseptic-germicides to improve the anti-microbial property of film, thereby more effectively extend the quality guaranteed period of food.The edibility antibacterial film is to add antiseptic-germicide in edible film, reaches a kind of active film antibiotic, fresh-keeping effect.Antiseptic-germicide mainly is divided into 3 large class, i.e. inorganic antiseptic, synthetic antibacterial agents and natural antibacterial agents.Inorganic antiseptic has good heat resistance, antibacterial range and extensively, does not produce the advantages such as resistance, synthetic antibacterial agents is mainly that sterilization speed is fast, to press down mould effective, but all there are food safety question in inorganic antiseptic and synthetic antibacterial agents, and natural antibacterial agent has good biocompatibility and environmental-protecting performance, toxicity is less, does not have the food safety potential problem; Therefore, the Application and Development of natural antibacterial agent receives increasing concern.Preparing at present the most frequently used natural antibacterial agent of natural antibacterial film is chitosan, but the bacteriostasis property of chitosan is subject to the impact of preparation condition, often can not reach good anti-microbial activity.Plants essential oil is that extract and with the material of aromatic odour at the positions such as seed from plant, leaf, flower, stem, root, fruit, nontoxic, edible, is a kind of natural safe antiseptic-germicide.Phenol in essential oil, aldehyde and ter penoids are main active antibacterial materials, simultaneously, wherein also contain volatilizable antimicrobial component, therefore, the edible film that contains essential oil not only can be killed the bacterium with the film contact site, can also rely on volatile matter to suppress the film growth of bacterium on every side, greatly increase its antibacterial sphere of action.The present invention, in order to improve the anti-microbial activity of collagen protein-chitosan packing film, adds natural antibacterial agent agent plants essential oil, and preparation has the film wrapping material of good anti-microbial activity.
Summary of the invention
The object of the present invention is to provide a kind of edibility collagen of fish skin antibacterial film and preparation method thereof, the raw material in the method (collagen of fish skin, chitosan) wide material sources, technique is simple; The plants essential oil Nantural non-toxic, and there is good bacteriostatic activity, the antibacterial film of preparation is functional and have the food surfaces of inhibition microorganism growth, thereby reaches the effect of food fresh keeping and Shelf-life.
For achieving the above object, the present invention adopts following technical scheme:
A kind of edibility collagen of fish skin antibacterial film, contain collagen of fish skin, chitosan, plants essential oil, soybean lecithin and glycerine in membrane component.Described plants essential oil is one or more the mixture in Herba Origani Vulgaris quintessence oil, cinnamon essential oil, clove oil, truestar anisetree essential oil.
A kind of preparation method of edibility collagen of fish skin antibacterial film as above comprises the following steps:
(1) preparation of collagen of fish skin solution: add 30 ml distilled water in 1-4 g collagen of fish skin powder, 45 ℃ of magnetic agitation are dissolved and are made collagen of fish skin solution;
(2) preparation of chitosan solution: add the acetic acid solution that 30 ml volume fractions are 1.5% in 0-3 g chitosan, 60 ℃ of magnetic agitation are dissolved and are made chitosan solution;
(3) preparation of plants essential oil solution: add the 40 ml distilled water that contain 0.25 g soybean lecithin in the plants essential oil of 1-5 ml, ultrasonic dissolution makes plants essential oil solution;
(4) preparation of edibility collagen of fish skin antibacterial film: the plants essential oil solution of the chitosan solution of the collagen of fish skin solution of step (1), step (2) and step (3) is mixed, add again 0.4-1.6g glycerine as softening agent, stir, standing degassed, obtain the antibacterial film film-casting liquid, 45 ℃ of insulations; Pipette 6 ml film-casting liquids at every turn and spread into film forming on 120 mm * 80 mm * 2 mm synthetic glass frames, film-forming temperature is 4-30 ℃, and film formation time is 48-24 h, makes edibility collagen of fish skin antibacterial film.
The preparation technology of the collagen of fish skin powder described in step (1) is as follows: the waste fish-skin is scaled, and shreds cleanly, heavyly with 20 times of raw materials contains the H that volume fraction is 1%
2O
20.01mo/LNaOH solution stir to soak 24 h at 20 ℃, be washed till neutrality with clear water; At room temperature stir immersion 4 h with 20 times of heavy 0.05mo/L acetic acid or citric acid solutions of raw material again, with clear water, be washed till neutrality; Then, lixiviate 12 h in heavy 45 ℃ of hot water at 10 times of raw materials; Adopt centrifugation to remove insoluble substance, freeze-drying obtains the collagen of fish skin powder.The processing fish-skin by product that described waste fish-skin is silver carp, grass carp, black carp, bighead, shark or eel.
Beneficial effect of the present invention: collagen protein antibacterial film prepared by (1) the present invention has good antimicrobial property, can be biodegradable, can can not suppress the food surfaces microbial growth to environment, thereby reach the effect of food fresh keeping and Shelf-life.(2) raw material in preparation method of the present invention (collagen of fish skin, chitosan) wide material sources, technique is simple; The plants essential oil Nantural non-toxic, and there is good bacteriostatic activity.
The accompanying drawing explanation
Fig. 1 is that the edibility collagen of fish skin antibacterial film of embodiment 1 is to colibacillary inhibition zone.
Fig. 2 is the inhibition zone of the edibility collagen of fish skin antibacterial film of embodiment 1 to streptococcus aureus.
Fig. 3 is that the edibility collagen of fish skin antibacterial film of embodiment 2 is to colibacillary inhibition zone.
Fig. 4 is the inhibition zone of the edibility collagen of fish skin antibacterial film of embodiment 2 to streptococcus aureus.
Embodiment
Embodiment 1
Take 3 g collagen proteins and make collagen aqueous solution with 30 ml distilled water 45 ℃ of stirring and dissolving; Take 30 ml 1.5%(v/v for 1 g chitosan) acetic acid solution make chitosan solution 60 ℃ of stirring and dissolving; The Herba Origani Vulgaris quintessence oil of 4 ml ultrasonic dissolution in containing 40 ml distilled water of 0.25 g soybean lecithin is made to wild marjoram oil solution, then three kinds of solution are mixed, add 1.0 g glycerine as softening agent, stir, standing 30 min are degassed, 45 ℃ of insulations.The film-casting liquid that at every turn pipettes 6 ml spreads into film forming on 120 mm * 80 mm * 2 mm synthetic glass frames, and film-forming temperature is 22 ℃, and film formation time is 24 h, then, after the synthetic glass frame is peeled off, can obtain the collagen protein antibacterial film.Adopt the filter paper method to measure the film anti-microbial activity, film is intercepted to the circle of 12 mm, investigate respectively the fungistatic effect of antibacterial film to intestinal bacteria and streptococcus aureus.Result as shown in Figure 1 and Figure 2.The indexs such as the transmittance at thickness, the mechanical property of the antibacterial film of preparation, elongation at break, 600 nm places and water vapor transmission rate (WVTR) are measured, and result is as shown in table 1.
Embodiment 2
Take 1 g collagen protein and make collagen aqueous solution with 30 ml distilled water 45 ℃ of stirring and dissolving; Take 30 ml 1.5%(v/v for 3 g chitosans) acetic acid solution make chitosan solution 60 ℃ of stirring and dissolving; The clove oil of 5 ml ultrasonic dissolution in containing 40 ml distilled water of 0.25 g soybean lecithin is made to wild marjoram oil solution, then three kinds of solution are mixed, add 1.6 g glycerine as softening agent, stir, standing 30 min are degassed, 45 ℃ of insulations.The film-casting liquid that at every turn pipettes 6 ml spreads into film forming on 120 mm * 80 mm * 2 mm synthetic glass frames, and film-forming temperature is 4 ℃, and film formation time is 4 h, then, after the synthetic glass frame is peeled off, can obtain the collagen protein antibacterial film.Adopt the filter paper method to measure the film anti-microbial activity, film is intercepted to the circle of 12 mm, investigate respectively the fungistatic effect of antibacterial film to intestinal bacteria and streptococcus aureus.Result as shown in Figure 3, Figure 4.The indexs such as the transmittance at thickness, the mechanical property of the antibacterial film of preparation, elongation at break, 600 nm places and water vapor transmission rate (WVTR) are measured, and result is as shown in table 1.
Embodiment 3
Take 4 g collagen proteins and make collagen aqueous solution with 30 ml distilled water 45 ℃ of stirring and dissolving; The cinnamon essential oil of 3 ml ultrasonic dissolution in containing 40 ml distilled water of 0.25 g soybean lecithin is made to wild marjoram oil solution, then three kinds of solution are mixed, add 0.4 g glycerine as softening agent, stir, standing 30 min are degassed, 45 ℃ of insulations.The film-casting liquid that at every turn pipettes 6 ml spreads into film forming on 120 mm * 80 mm * 2 mm synthetic glass frames, and film-forming temperature is 30 ℃, and film formation time is 24 h, then, after the synthetic glass frame is peeled off, can obtain the collagen protein antibacterial film.The indexs such as the transmittance at thickness, the mechanical property of the antibacterial film of preparation, elongation at break, 600 nm places and water vapor transmission rate (WVTR) are measured, and result is as shown in table 1.
Embodiment 4
Take 2 g collagen proteins and make collagen aqueous solution with 30 ml distilled water 45 ℃ of stirring and dissolving; Take 30 ml 1.5%(v/v for 2 g chitosans) acetic acid solution make chitosan solution 60 ℃ of stirring and dissolving; The Herba Origani Vulgaris quintessence oil of 4 ml ultrasonic dissolution in containing 40 ml distilled water of 0.25 g soybean lecithin is made to wild marjoram oil solution, then three kinds of solution are mixed, add 0.8 g glycerine as softening agent, stir, standing 30 min are degassed, 45 ℃ of insulations.The film-casting liquid that at every turn pipettes 6 ml spreads into film forming on 120 mm * 80 mm * 2 mm synthetic glass frames, and film-forming temperature is 22 ℃, and film formation time is 24 h, then, after the synthetic glass frame is peeled off, can obtain the collagen protein antibacterial film.The indexs such as the transmittance at thickness, the mechanical property of the antibacterial film of preparation, elongation at break, 600nm place and water vapor transmission rate (WVTR) are measured, and result is as shown in table 1.
Embodiment 5
Take 2.5 g collagen proteins and make collagen aqueous solution with 30 ml distilled water 45 ℃ of stirring and dissolving; Take 30 ml 1.5%(v/v for 1.5 g chitosans) acetic acid solution make chitosan solution 60 ℃ of stirring and dissolving; The Herba Origani Vulgaris quintessence oil of 2 ml ultrasonic dissolution in the 40ml distilled water that contains 0.25 g soybean lecithin is made to wild marjoram oil solution, then three kinds of solution are mixed, add 1.2 g glycerine as softening agent, stir, standing 30 min are degassed, 45 ℃ of insulations.The film-casting liquid that at every turn pipettes 6 ml spreads into film forming on 120 mm * 80 mm * 2 mm synthetic glass frames, and film forming temperature film-forming temperature is 22 ℃, and film formation time is 24 h, then, after the synthetic glass frame is peeled off, can obtain the collagen protein antibacterial film.The indexs such as the transmittance at thickness, the mechanical property of the antibacterial film of preparation, elongation at break, 600 nm places and water vapor transmission rate (WVTR) are measured, and result is as shown in table 1.
Table 1: the physical properties of the antibacterial film prepared under different condition
The foregoing is only the preferred embodiment of invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (2)
1. the preparation method of an edibility collagen of fish skin antibacterial film, is characterized in that: in described antibacterial film component, contain collagen of fish skin, chitosan, plants essential oil, soybean lecithin and glycerine; Described plants essential oil is one or more the mixture in Herba Origani Vulgaris quintessence oil, cinnamon essential oil, clove oil, truestar anisetree essential oil;
The preparation method comprises the following steps:
(1) preparation of collagen of fish skin solution: add 30 ml distilled water in 1-4 g collagen of fish skin powder, 45 ℃ of magnetic agitation are dissolved and are made collagen of fish skin solution;
(2) preparation of chitosan solution: add the acetic acid solution that 30 ml volume fractions are 1.5% in 0-3 g chitosan, 60 ℃ of magnetic agitation are dissolved and are made chitosan solution;
(3) preparation of plants essential oil solution: add the 40 ml distilled water that contain 0.25 g soybean lecithin in the plants essential oil of 1-5 ml, ultrasonic dissolution makes plants essential oil solution;
(4) preparation of edibility collagen of fish skin antibacterial film: the plants essential oil solution of the chitosan solution of the collagen of fish skin solution of step (1), step (2) and step (3) is mixed, add again 0.4-1.6 g glycerine as softening agent, stir, standing degassed, obtain the antibacterial film film-casting liquid, 45 ℃ of insulations; Pipette 6 ml film-casting liquids at every turn and spread into film forming on 120 mm * 80 mm * 2 mm synthetic glass frames, film-forming temperature is 4-30 ℃, and film formation time is 48-24 h, makes edibility collagen of fish skin antibacterial film;
The preparation technology of the collagen of fish skin powder described in step (1) is as follows: the waste fish-skin is scaled, and shreds cleanly, heavyly with 20 times of raw materials contains the H that volume fraction is 1%
2O
20.01 mo/L NaOH solution stir to soak 24 h at 20 ℃, be washed till neutrality with clear water; At room temperature stir immersion 4 h with 20 times of heavy 0.05 mo/L acetic acid or citric acid solutions of raw material again, with clear water, be washed till neutrality; Then, lixiviate 12 h in heavy 45 ℃ of hot water at 10 times of raw materials; Adopt centrifugation to remove insoluble substance, freeze-drying obtains the collagen of fish skin powder.
2. the preparation method of edibility collagen of fish skin antibacterial film according to claim 1, is characterized in that: the processing fish-skin by product that described waste fish-skin is silver carp, grass carp, black carp, bighead, shark or eel.
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