CN105295113A - Edible membrane with biological activity and preparation method thereof - Google Patents
Edible membrane with biological activity and preparation method thereof Download PDFInfo
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- CN105295113A CN105295113A CN201510828906.7A CN201510828906A CN105295113A CN 105295113 A CN105295113 A CN 105295113A CN 201510828906 A CN201510828906 A CN 201510828906A CN 105295113 A CN105295113 A CN 105295113A
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Abstract
The invention relates to an edible membrane with biological activity and a preparation method thereof. The edible membrane is processed from the following raw materials in parts by weight: 80-95 parts of a base material, 5-20 parts of a plasticizer, and 1-10 parts of an additive with biological activity. The base material contains starch, gelatin, sodium alginate, agar, pectin, carrageenin, methyl cellulose, hydroxy propyl cellulose, hydroxyethyl cellulose and a mixture thereof, and the additive with biological activity is an extract product of medicinal fungus; the prepared edible membrane contains an additive with biological activity function which is a polysaccharide-protein mixture and is extracted from lucid ganoderma and other medicinal fungi, and has antifungal, antibacterial, antiviral and antineoplastic functions, and a function of immunopotentiator.
Description
Technical field
The present invention relates to one and possess bioactive edible film and preparation method thereof, belong to packaging material for food technical field.
Background technology
Up to the present, existing a large amount of Biodegradable high-molecular polymeric packaging material adopting different macromolecular compound to prepare, and its film composition is known.In mechanical property, this film can compare favourably with polyethylene, polypropylene, polyvinyl chloride and some other material needing many decades to degrade in physical environment.But most of wrapping material are unedible, can not as a part for food.
There is a large amount of edible films can eat together with food, adopt starch and derivative, cellulose and its derivates, chitosan, dextran, trehalose, pectin, xanthan gum etc., also have protein, collagen protein, casein, fat and derivative etc. thereof to be prepared for main raw material.All these wrapping material are divided into and can digest with indigestible, and the former is based on food raw material as protein, fat and starch, cellulose family, and the latter is mainly based on beeswax, glue class, paraffin, polyvinyl alcohol, polyvinylpyrrolidone etc.
At present, the existing similar patent of China: be that major ingredient adds fluidizer, lubricant, toughener and stablizer with starch, the major defect of these class methods is the modified starches can only modified by thermoplasticity, although reach the thermostability of needs, extrusion temperature reaches 220 DEG C, but needs two to extrude bar high cost economically in preparation process.
In addition, adopt beans and yam starch mixture to add sodium alginate and be water-solublely then laid on the membrane preparation method that then hardboard dries, at patent (CN1410481 А, CN102311553 А, CN103739883 А) in have description, the shortcoming of this method is except packaging character does not have other additional functions.Prepare antibacterial edible film method based on sulfate fiber interpolation ether oil spirituous solution and cyclodextrin in addition also to have been reported, ether oil in this approach can be overflowed film and enter food, the loss of ether oil simultaneously makes its antibacterial ability progressively decline, and for preventing ether oil from overflowing, adds cyclodextrin.But owing to employing the higher cyclodextrin of price and sulfate fiber, make the film cost of preparation very high, be difficult to realize product marketization, and contain ether oil due to film, make the mechanical property of film lower.
The patented invention the most close with the present invention is that film forms and preparation method contains gelatin substance, collagen protein, sodium alginate and Algae Extract (CN201510059252.6). this film possesses algae local flavor, this preparation method's defect needs a large amount of ethanol of removing and algae residue in Algae Extract preparation process, this makes film preparation complicated and expensive, simultaneously from data such as shortage tension are strong, the mechanical property of film is not strong, make the method not have practicality, cannot suitability for industrialized production be realized.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, provide one to possess bioactive edible film and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is:
Possess bioactive edible film, described edible film is formed by the Raw material processing of following weight part:
Basestocks 80-95 part
Softening agent 5-20 part
Biologically active additives 1-10 part
Described basestocks is starch, gelatin, sodium alginate, agar, pectin, carrageenin, methylcellulose gum, hydroxypropylcellulose, Natvosol and composition thereof, and described biologically active additives is for being medicinal fungus extract;
Biological functional activity additive is by medicinal fungus separation and Extraction, as Ganderma lucidum, its main component is that protein-PS mixture (protein-PS accounts for massfraction 50-80%) possesses antimycotic, antibacterium, antiviral, antitumor, immunopotentiating agent function, also has some other compound with similar effect, biological functional activity additive both can be water extract, water-ethanol extract can be liquid or solid powder.
The preparation method of described edible film carries out as follows:
(1) component is carried out powdery mixing to be then dissolved into dispersion liquid or each component is made solution respectively and be mixed into dispersion liquid, solvent employing pure water or water-ethanol admixture, described water-ethanol admixture ethanol massfraction is no more than 50%;
(2) after dispersion liquid stirs at 50-90 DEG C, continue stirring reaction 0.5-1.0 hour, then adopt aperture 10-100 μm of filtering membrane to filter degassed;
(3) filter degassed after film liquid through film forming, dry and obtain edible film finished product.
Preferably, described starch source is the mixture of corn, beans, potato or rice class native starch and modified starch or native starch and modified starch.
Preferably, described softening agent is glycerine, sorbyl alcohol, glucose or fructose.
Preferably, described step (3) adopts dry-wet membrane formation process, and elder generation on medium, then carries out drying film liquid plastic film mulch in the dehumidification system of 50-140 DEG C.
Possess a preparation method for bioactive edible film, the preparation method of described edible film carries out as follows:
(1) component is carried out powdery mixing to be then dissolved into dispersion liquid or each component is made solution respectively and be mixed into dispersion liquid, solvent employing pure water or water-ethanol admixture, described water-ethanol admixture ethanol massfraction is no more than 50%;
(2) after dispersion liquid stirs at 50-90 DEG C, continue stirring reaction 0.5-1.0 hour, then adopt aperture 10-100 μm of filtering membrane to filter degassed;
(3) filter degassed after film liquid through film forming, dry and obtain edible film finished product.
The invention has the beneficial effects as follows:
(1) edible film that prepared by the present invention contains the bioactive functions additive polysaccharide-protein mixture extracted from the medicinal fungus such as glossy ganoderma, possesses antimycotic, antibacterium, antiviral, antitumor, immunopotentiating agent function.
(2) film liquid solvent adopts water or water-ethanol mixed solution can improve consistency and the homogeneity of each component of film, can reduce bake out temperature and speed simultaneously.
(3) film preparation technique is simple, and equipment requirements is low, and the mechanical property of film is strong, makes the method have extremely strong practicality, is easy to realize suitability for industrialized production.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
Embodiment:
Embodiment 1 yam starch basement membrane
Joined in 15mL distilled water in 30 seconds by 2g yam starch under stirring, and then add 33mL water, 0.5mL glycerine and 0.1g solid, powdery bioactive functions additive, be then heated to 75 DEG C until liquid-transparent, vacuum outgas, plastic film mulch is dry.
Embodiment 2 beans starch basement membrane
Under stirring, 2g yam starch was joined in 15mL distilled water in 30 seconds, and then add 33mL water, 0.5mL glycerine and 0.05g bioactive functions additive, be then heated to 85 DEG C until liquid-transparent, vacuum outgas.The thick 0.05mm of plastic film mulch, tensile strength 39MPa, unit elongation 4%.
Embodiment 3 methylcellulose gum basement membrane
2g methylcellulose gum is joined in 24mL1:1 distilled water and 95% alcohol mixture under stirring, stir 1-2 minute, and then add 33mL water, 2mL glycerine and 0.05g bioactive functions additive, be then heated to 80 DEG C of insulations 30 minutes, centrifugal degassed.Film liquid adopts aperture to be that the polyester material of 20 μm filters and is cooled to 30 DEG C, then uses 700mm scraper plastic film mulch on stainless steel, and 50 DEG C of dryings 4 hours, obtaining thick DEG C is 0.04mm, and strong DEG C of tension is 47MPa, the edible film of unit elongation 9%.
Embodiment 4 gelatin basement membrane
Under stirring, 7.5g gelatin was joined in 42.5mL distilled water in 30 seconds, then add 2mL glycerine and 0.15g powdery bioactive functions additive.Then be heated to 70 DEG C of insulations 60 minutes, centrifugal degassed 30 minutes is the metal mesh filter of 70 μm with aperture, be cooled to 55 DEG C and plastic film mulch on stainless steel, 105 DEG C of dryings 5 hours, obtaining thick is 0.1mm, tensile strength is 58MPa, and unit elongation is the edible film of 8%.
Embodiment 5. beans starch and gelatin mixing basement membrane
Prepare 4% bean starch solution and 15% gelatin solution respectively;
4% bean starch solution preparation: by 1g beans starch dispersion in 24mL water, 85 DEG C are stirred gelatinization 1 hour;
15% gelatin solution preparation: be dispersed in by 9g gelatin in 51mL soft water, 85 DEG C are stirred 1 hour.Then under stirring, starch solution is joined in gelatin solution, then 3mL glycerine and 2mL glossy ganoderma bioactive functions additive water solution extract is added, then degassed, filter and be cooled to 50 DEG C and adopt 500mm scraper plastic film mulch on stainless steel, 105 DEG C of dryings 6 hours, acquisition thickness is 0.03mm, tensile strength is 30MPa, and unit elongation is the edible film of 8%.
Embodiment 6
Gelatin and methylcellulose gum mixing basement membrane, 2g methylcellulose gum is dissolved in 100mL100mL 95% ethanol prepares containing in the aqueous solution of 30%95% ethanol, add 2g gelatin, 50mL water, 1mL glycerine and 0.2mL glossy ganoderma bioactive functions additive water-ethanol solution extract, make methocel solution.Then 70 DEG C are heated to, degassed 30 minutes.Be cooled to 40 DEG C after filtration, by 1000mm thickness scraper plate plastic film mulch, 60 DEG C of dryings 3 hours, acquisition thickness is 0.1mm, and tensile strength is 49MPa, and unit elongation is the edible film of 6%.
Embodiment 7
W-Gum and sodium alginate basement membrane, carry out according to the basic skills of 5. beans starch and gelatin mixing basement membrane, just substitutes beans starch with W-Gum, use sodium alginate replacing gelatin.Acquisition thickness is 0.06mm, and tensile strength is 36MPa, and unit elongation is the edible film of 4%.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (6)
1. possess bioactive edible film, it is characterized in that: described edible film is formed by the Raw material processing of following weight part:
Basestocks 80-95 part
Softening agent 5-20 part
Biologically active additives 1-10 part
Described basestocks is starch, gelatin, sodium alginate, agar, pectin, carrageenin, methylcellulose gum, hydroxypropylcellulose, Natvosol and composition thereof, and described biologically active additives is for being medicinal fungus extract;
The preparation method of described edible film carries out as follows:
(1) component is carried out powdery mixing to be then dissolved into dispersion liquid or each component is made solution respectively and be mixed into dispersion liquid, solvent employing pure water or water-ethanol admixture, described water-ethanol admixture ethanol massfraction is no more than 50%;
(2) after dispersion liquid stirs at 50-90 DEG C, continue stirring reaction 0.5-1.0 hour, then adopt aperture 10-100 μm of filtering membrane to filter degassed;
(3) filter degassed after film liquid through film forming, dry and obtain edible film finished product.
2. according to claim 1 possess bioactive edible film, it is characterized in that: described starch source is the mixture of corn, beans, potato or rice class native starch and modified starch or native starch and modified starch.
3. according to claim 1 possess bioactive edible film, it is characterized in that: described biologically active additives is water extract or the water-ethanol extract of medicinal fungus, and its state is liquid or solid powder.
4. according to claim 1 possess bioactive edible film, it is characterized in that: described softening agent is glycerine, sorbyl alcohol, glucose or fructose.
5. according to claim 1 possess bioactive edible film, it is characterized in that: described step (3) adopts dry-wet membrane formation process, and elder generation on medium, then carries out drying film liquid plastic film mulch in the dehumidification system of 50-140 DEG C.
6. the preparation method possessing bioactive edible film described in claim 1-5 any one, is characterized in that: the preparation method of described edible film carries out as follows:
(1) component is carried out powdery mixing to be then dissolved into dispersion liquid or each component is made solution respectively and be mixed into dispersion liquid, solvent employing pure water or water-ethanol admixture, described water-ethanol admixture ethanol massfraction is no more than 50%;
(2) after dispersion liquid stirs at 50-90 DEG C, continue stirring reaction 0.5-1.0 hour, then adopt aperture 10-100 μm of filtering membrane to filter degassed;
(3) filter degassed after film liquid through film forming, dry and obtain edible film finished product.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428997A (en) * | 2016-07-12 | 2017-02-22 | 吉林农业大学 | Method using edible starch matrix membrane to pack honey |
| CN106633209A (en) * | 2016-10-13 | 2017-05-10 | 湖北科亿华科技有限公司 | Edible film and industrial preparation method thereof |
| CN107641326A (en) * | 2017-11-02 | 2018-01-30 | 广西吉朋投资有限公司 | A kind of fruit-vegetable plastic wrap and preparation method thereof |
| CN108373571A (en) * | 2018-03-28 | 2018-08-07 | 陈太师 | A kind of preparation method of label heat shrink films |
| CN108864495A (en) * | 2017-11-07 | 2018-11-23 | 广西瀚维康生物科技有限公司 | A kind of compound botanical extract antimicrobial preservative film and preparation method thereof |
| CN109303292A (en) * | 2018-10-01 | 2019-02-05 | 北京洛必达科技有限公司 | The preparation method of edible novel film materials |
| CN109438772A (en) * | 2018-11-01 | 2019-03-08 | 江南大学 | A kind of edible type packing film and its preparation method and application |
| CN115584133A (en) * | 2021-07-06 | 2023-01-10 | 宋悠洋 | Thermoplastic composition based on degradable biopolymer and preparation method and application thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428997A (en) * | 2016-07-12 | 2017-02-22 | 吉林农业大学 | Method using edible starch matrix membrane to pack honey |
| CN106633209A (en) * | 2016-10-13 | 2017-05-10 | 湖北科亿华科技有限公司 | Edible film and industrial preparation method thereof |
| CN107641326A (en) * | 2017-11-02 | 2018-01-30 | 广西吉朋投资有限公司 | A kind of fruit-vegetable plastic wrap and preparation method thereof |
| CN108864495A (en) * | 2017-11-07 | 2018-11-23 | 广西瀚维康生物科技有限公司 | A kind of compound botanical extract antimicrobial preservative film and preparation method thereof |
| CN108373571A (en) * | 2018-03-28 | 2018-08-07 | 陈太师 | A kind of preparation method of label heat shrink films |
| CN109303292A (en) * | 2018-10-01 | 2019-02-05 | 北京洛必达科技有限公司 | The preparation method of edible novel film materials |
| CN109438772A (en) * | 2018-11-01 | 2019-03-08 | 江南大学 | A kind of edible type packing film and its preparation method and application |
| CN115584133A (en) * | 2021-07-06 | 2023-01-10 | 宋悠洋 | Thermoplastic composition based on degradable biopolymer and preparation method and application thereof |
| CN115584133B (en) * | 2021-07-06 | 2023-12-15 | 深圳市朴飞生物科技有限公司 | Thermoplastic composition based on degradable biopolymer, preparation method and application thereof |
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Application publication date: 20160203 |