Methods for preparing food packaging films with antibacterial activity, and applications thereof
The present invention belongs to the technical field of edible films and relates to a method for preparing a food packaging film with antibacterial activity. By adding konjac glucomannan and glycerin in starch to obtain a composite film, the aggregation and rearrangement effect among molecules of am...
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| creator | GUO, Li ZOU, Yiyuan YU, Bin FANG, Yishan YUAN, Chao CUI, Bo |
| description | The present invention belongs to the technical field of edible films and relates to a method for preparing a food packaging film with antibacterial activity. By adding konjac glucomannan and glycerin in starch to obtain a composite film, the aggregation and rearrangement effect among molecules of amylose starch can be weakened, the defects such as high brittleness and low ductility of high-amylose corn starch can be improved, and, since the konjac glucomannan is rich in dietary fiber that is slowly digestible, a low-calorie edible packaging film can be produced by compounding. By adding the entrapped liquid of perilla oil and cyclodextrin in the mixed dispersion system of high-amylose corn starch and konjac glucomannan to prepare an active film, the film can have a smoother surface and more perfect and uniform structure, and also, the composite film can have a function of bacteria inhibition. The perilla oil is released intelligently and sustainably as the surrounding environment changes, during the storage of food, thereby providing more lasting bacteria inhibition effect. 11916771_1 (GHMatters) P112460.AU |
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By adding konjac glucomannan and glycerin in starch to obtain a composite film, the aggregation and rearrangement effect among molecules of amylose starch can be weakened, the defects such as high brittleness and low ductility of high-amylose corn starch can be improved, and, since the konjac glucomannan is rich in dietary fiber that is slowly digestible, a low-calorie edible packaging film can be produced by compounding. By adding the entrapped liquid of perilla oil and cyclodextrin in the mixed dispersion system of high-amylose corn starch and konjac glucomannan to prepare an active film, the film can have a smoother surface and more perfect and uniform structure, and also, the composite film can have a function of bacteria inhibition. 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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING GENERAL PROCESSES OF COMPOUNDING HANDLING THIN OR FILAMENTARY MATERIAL METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | Methods for preparing food packaging films with antibacterial activity, and applications thereof |
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