CN102311554B - Technology for producing degradable and edible film by utilizing corn composite modified starch - Google Patents

Technology for producing degradable and edible film by utilizing corn composite modified starch Download PDF

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Publication number
CN102311554B
CN102311554B CN201110156804.7A CN201110156804A CN102311554B CN 102311554 B CN102311554 B CN 102311554B CN 201110156804 A CN201110156804 A CN 201110156804A CN 102311554 B CN102311554 B CN 102311554B
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film
modified starch
composite modified
corn
package material
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Expired - Fee Related
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CN201110156804.7A
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CN102311554A (en
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活泼
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Individual
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • General Preparation And Processing Of Foods (AREA)
  • Jellies, Jams, And Syrups (AREA)

Abstract

The invention provides technology for producing a degradable and edible film by utilizing corn composite modified starch, belonging to the technical field of food processing. The technology comprises the following main production processes: firstly gelatinizing the corn hydroxypropyl-phosphate monoester composite modified starch; then adding glycerin, sorbitol, sodium alginate, carrageenan and other components which improve the film performance; carrying out tape casting on the film solution on a copper plate after homogenization and degasification; adopting a copper plate film forming conveyer belt to firstly pass through steam drying pipeline equipment and then pass through cooling pipeline equipment with relative humidity being about 50% to form a film; and finally adopting mechanical film rolling equipment to roll the film, thus producing a degradable and edible film with high strength. The film material has good mechanical performance and oil, moisture and oxygen resistance. The film can be applied to packaging of various materials such as food, health products, drugs, feed and the like.

Description

A kind of production method of corn composite modified starch degradable edible film
Technical field
A production method for corn composite modified starch degradable edible film, belongs to food processing technology field.
Background technology
Degradable edible film be a kind of not only can coating-film fresh-keeping but also the new packaging material that the packaged form such as bag, box replaces the conventional synthesis wrapping material such as plastics can be processed into, simultaneously it can also be an integral part of food, and increases color, smell and taste and nutritive value for food.Degradable edible film has pollution-free, degradable advantage, be that plastic wrapping is unrivaled, this is on the rise at " white pollution ", and most developed country has forbidden or limited the use of plastic wrapping and advocate and select beyond doubt a kind of best selection today of " Green Packaging ".So the degradable edible film wrapping material technology of preparing integrating these advantages is just becoming one of important technology that food service industry generally has an optimistic view of, there is good development prospect.
In existing background technology, U.S. patent Nos 6162475 reports the making method of the edibility active packing utilizing PVA to be base-material, this packaging has good fresh-keeping effect to food, Robert R Holcomb reports the method and apparatus of charge distribution on the active film that changes and have the electric allomeric function stability of thin film physics, and this has vital role to the performance improving active film.China is in the intellecture property of edible film, mainly concentrate on the formula of film, ZL02139279.X reports a kind of edibility yam starch composite food package film and preparation method thereof, film forming is stirred mainly through starch pasting, ZL02151253.1 reports the preparation method of composite comestible shell polysaccharide membrane, it take Chitosan-phospholipid complex as the main raw of film forming, with membrane-forming agent or toughener, softening agent and linking agent for ancillary component, by temperature control film forming.These researchs all do not relate to the control method (stage by stage dry) of film forming properties, the mechanism (limit to) of pressure treatment, particularly film forming and technical study above.Report is had no to the inventions such as edible film component mechanical index intensity and research.
In sum, in the research of degradable edible film, mainly concentrate in film forming formulation and mechanism both at home and abroad, be conceived in the applied research of film.To the performance of film own as tensile strength, moisture-inhibiting, ventilation property, water-soluble research, processing mode and improve material aspect of performance research less, compared with other packing techniques modern, still there is imperfection part, as performance is not high, production technique imperfection, thus the range of application limiting degradable edible film.Excellent preservative film, especially degradable edible film, all should have high strength, good barrier and controlled atmosphere to a certain degree and certain biocidal property.
Summary of the invention
The present invention is to provide one with corn hydroxy propyl phosphate monoester composite modified starch for main raw material, with the use of components such as glycerine, sorbyl alcohol, sodium alginate and carrageenins, by the method for homogeneous, the obtained degradable edible film novel material such as degassed, dry.The present invention adopts the method for vacuum outgas, is conducive to except the bubble in striping liquid; The present invention adopts copper coin curtain coating, is conducive to taking off film, can prevent film from ftractureing.The corn hydroxy propyl phosphate monoester composite modified starch that the present invention adopts, can keep higher viscosity stability, thus keep its high strength ability under low temperature, high-shear conditions.The glycerine that product of the present invention adds, sorbyl alcohol, sodium alginate and carrageenin, effectively can improve the mechanical property of film, oil resistance performance, oxygen resistance and block-water performance, reaches the shelf-lives object extending packaged food.
Embodiment
A production method for corn composite modified starch degradable edible film,
1, component allotment: 100kg corn hydroxy propyl phosphate monoester composite modified starch, 1000L distilled water, 0.15L glycerine, 1.25kg sorbyl alcohol, 0.5kg sodium alginate and 0.4kg carrageenin is added under stirring, after homogeneous, under 50 DEG C of water bath condition, heated and stirred, until gelatinization completely, obtains starch pasting solution.
2, degassed: at 0.1MPa deaerated under vacuum (0.5h-2h), then leave standstill 1h.
3, curtain coating: require to arrange blade width and height according to film thickness, curtain coating is in can on the copper coin conveying belt of controlling diaphragm thickness.4, dry: copper coin film forming conveying belt first by drying with steam pipe-line equipment, and then by relative humidity about 50% cooling duct equipment, film forming.
5, film is taken off: machinery volume film, packaging, storage.

Claims (6)

1. the production method of a corn composite modified starch degradable edible package material, it is characterized in that: 1) 100kg corn hydroxy propyl phosphate monoester composite modified starch, 1000L distilled water, 0.15L glycerine, 1.25kg sorbyl alcohol, 0.5kg sodium alginate and 0.4kg carrageenin is added under stirring, after homogeneous, under 50 DEG C of water bath condition, heated and stirred, until gelatinization completely, obtains starch pasting solution; 2), after deaerated under vacuum, curtain coating is on the copper coin film forming conveying belt of the scraper with adjustable-height and width of controlled film thickness; 3) copper coin film forming conveying belt is first by drying with steam pipe-line equipment, and then by relative humidity 50% cooling duct equipment, film forming, finally roll up film device by machinery and roll up film, packaging forms.
2. the production method of a kind of corn composite modified starch degradable edible package material according to claim 1, it is characterized in that, 0.15L glycerine, 1.25kg sorbyl alcohol, 0.5kg sodium alginate and 0.4kg carrageenin is added in corn hydroxy propyl phosphate monoester composite modified starch, can make it under low temperature, high-shear conditions, keep higher viscosity stability, thus keep the high strength ability of film forming.
3. the production method of a kind of corn composite modified starch degradable edible package material according to claim 1, it is characterized in that, product adds glycerine, sorbyl alcohol, sodium alginate and carrageenin, effectively can improve tensile strength and the unit elongation of film.
4. the production method of a kind of corn composite modified starch degradable edible package material according to claim 1, is characterized in that, adopts vacuum outgas method, can controlling diaphragm liquid uniform bubble-free, the toughness that maintenance film is good and extensibility.
5. the production method of a kind of corn composite modified starch degradable edible package material according to claim 1, it is characterized in that, require to arrange width and height according to film thickness, film liquid curtain coating in can controlling diaphragm thickness the scraper with adjustable-height and width copper coin film forming conveying belt on, first by drying with steam pipe-line equipment, and then by relative humidity 50% cooling duct equipment, film forming, finally by machinery roll up film device roll up film.
6. the production method of a kind of corn composite modified starch degradable edible package material according to claim 1, is characterized in that, described degradable edible package material is used for the packaging of food, healthcare products, medicine or feed.
CN201110156804.7A 2010-06-30 2011-06-02 Technology for producing degradable and edible film by utilizing corn composite modified starch Expired - Fee Related CN102311554B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110156804.7A CN102311554B (en) 2010-06-30 2011-06-02 Technology for producing degradable and edible film by utilizing corn composite modified starch

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2010102139627 2010-06-30
CN201010213962 2010-06-30
CN201010213962.7 2010-06-30
CN201110156804.7A CN102311554B (en) 2010-06-30 2011-06-02 Technology for producing degradable and edible film by utilizing corn composite modified starch

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CN102311554A CN102311554A (en) 2012-01-11
CN102311554B true CN102311554B (en) 2015-04-15

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2525926C1 (en) * 2013-01-09 2014-08-20 Мария Александровна Никулина Water-soluble biologically degradable edible packing film
EP3004175A1 (en) 2013-05-24 2016-04-13 Metsä Fibre Oy Method of modifying polymers
CN103844223B (en) * 2014-03-12 2016-01-20 浙江大学 Honey fruit paper and preparation method thereof
CN104059248B (en) * 2014-06-27 2016-08-24 江南大学 A kind of by adding the method that hydrophilic colloid improves starch base edible package film properties
CN105196634B (en) * 2015-10-28 2017-03-08 吉林大学 A kind of method that laminating prepares MULTILAYER COMPOSITE edible film

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687203A (en) * 2005-04-07 2005-10-26 天津大学 Vegetable capsule of starch composition and preparation method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687203A (en) * 2005-04-07 2005-10-26 天津大学 Vegetable capsule of starch composition and preparation method

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