CN104846686A - Natural moisture-proof edible food packaging paper and preparation method thereof - Google Patents
Natural moisture-proof edible food packaging paper and preparation method thereof Download PDFInfo
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Abstract
The invention provides natural moisture-proof edible food packaging paper comprising a dietary fiber layer, a protein film layer and a moisture-proof liquid layer arranged between the dietary fiber layer and the protein film layer. The invention also provides a preparation method of the natural moisture-proof edible food packaging paper. The natural moisture-proof edible food packaging paper can be a complete pollution-free and safe food packaging supply, raw materials are easily available, the operation is simple, and the cost is low, so that the edible food packaging paper is economical and environmentally friendly, the problems of the contradiction between food wrapping wastes and environmental protection and the like are completely solved, and finished paper is high in strength, good in flexibility, difficulty to break and wide in application range.
Description
Technical field
The present invention relates to a kind of natural moistureproof edible food package paper and preparation method thereof, belong to food service industry technical field.
Background technology
Along with the development of food service industry, food wrapper kind is day by day various, relatively common are cake paper, candy wrapper, vermicelli carton, bakers paper, biscuit carton, ice cream external packing paper using, wherein waterproof and oilproof type food wrapper gains great popularity, but most all with macromolecular compounds such as polystyrene, polyvinyl chloride, polypropylene for covering material, simultaneously these materials have not easily degrade, recovery difficult is large, burn and produce toxic gas and endanger the features such as ecological environment.In addition, in process of production, the chemicals such as the permeability-reducing admixture added in paper pulp, sizing agent, bleaching agent, coloring agent, stabilizing agent, ultra-violet absorber and plasticizer.The harmful components generation migration under hot and humid environment of partial chemical product makes food be polluted.In a word, food wrapper endangers the physical and mental health of people to a certain extent and brings adverse effect to ecological environment.
But along with the enhancing of socioeconomic development and popular environmental consciousness, research and develop a kind of there is frivolous transparent, colorless and odorless, main trend that nontoxic easy degraded, edible wrapping paper have become the development of World of Food industrial technology, be also the Main way of following food packing industry development.
The degradable food package film utilizing natural biologic material as obtained in soybean protein is had to pack for oily food at present, but edible packaging is extensive not enough for commercial applications, synthesis macromolecule plastic film can't be replaced, the bad mechanical property of its reason mainly film, natural edible polymer material itself has hydrophily, its resistance is moist limited, and its problem such as packaging heat sealability and impressionability etc. need to solve simultaneously.
Summary of the invention
goal of the invention:in order to overcome the defect of prior art, the object of this invention is to provide a kind of natural moistureproof edible food package paper and preparation method thereof.
technical scheme:the natural moistureproof edible food package paper of one provided by the invention, the moistureproof liquid layer comprising dietary fiber layer, albumen rete and be arranged between dietary fiber layer and albumen rete.
Present invention also offers the preparation method of above-mentioned natural moistureproof edible food package paper, comprise the following steps:
(1) preparation of dietary fiber layer: with vegetables or fruit for raw material, cleans blanching treatment in the boiling water bath be placed on containing sodium bicarbonate, then is placed in cold water and cools rapidly; The vegetables of cooling or fruit raw material are placed in beater pull an oar, are separated vegetable juice or fruit juice; Vegetables slag and pomace are pulverized 20-30min, crosses 100-150 mesh sieve; Filtrate to be placed under 40-60MPa homogeneous 3-5 time, obtains uniform fibers mixture liquid; Boil 2-3min, make fibers mixture liquid swelling; Continue to boil 2-3min, be cooled to 60-70 DEG C, add weight ratio Carboxymethyl Cellulose and sodium alginate, be stirred to and dissolve completely, then add beeswax, stir, cooling, preserves 1-2h, makes degassed, obtain film liquid under room temperature, 0.10-0.20Mpa; Utilize film rod coated film liquid on a glass, control wet-film thickness is 1-2mm; Drying, obtains dietary fiber layer;
(2) preparation of protein liquid: take soybean as raw material, cleans, soaking at room temperature 3-5h, defibrination, boils and crosses 100-150 mesh sieve afterwards, obtains bean dregs; Bean dregs are joined gelatinization in adjunce copper, stir and add sodium bicarbonate aqueous solution tune pH to 7-8 simultaneously, add protease hydrolytic reaction 3-5h, obtain amyloid proteins and stick with paste; Add modifier aqueous solution again, 30-60 DEG C of hybrid reaction 10-20min, obtains complex liquid; Add plasticizer and auxiliary additive in complex liquid, 30-60 DEG C is continued to stir 10-20min, obtains protein liquid;
(3) preparation of petrifying liquid: get stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, the water being placed in 5-15 times amount decocts 8-12h; Filter, be concentrated into 1/3 volume; Add shitosan and amylomaize, stir, obtain petrifying liquid;
(4) preparation of natural moistureproof edible food package paper: coated by petrifying liquid on dietary fiber layer, after cooling, then coats protein liquid on moistureproof liquid layer, controls petrifying liquid below layer thickness 1mm; Control protein liquid thickness 1-2mm; Drying, to obtain final product.
In step (1), the mass concentration of sodium bicarbonate is 0.1-0.2%.
In step (1), the weight of Carboxymethyl Cellulose is the 0.5-1.0% of fibers mixture liquid weight, and the weight of sodium alginate is the 0.25-0.5% of fibers mixture liquid weight, and the weight of beeswax is the 0.24-1.0% of fibers mixture liquid weight.
In step (2), the mass concentration of the sodium bicarbonate aqueous solution is 0.1-0.2%.
In step (3), the mass ratio of stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, shitosan and amylomaize is (10-20): (5-15): (5-15): (5-15): (5-15): (3-5): 1:100.
beneficial effect:natural moistureproof edible food package paper provided by the invention is completely with the packaging for foodstuff articles for use being a kind of green safety, raw material is easy to get, simple to operate, with low cost, economic environmental protection, fully solve the problems such as the contradiction between packaging for foodstuff discarded object and environmental protection, and its paper strength is high, pliability good, not easily broken, applied widely.
The natural moistureproof edible food package paper antibacterial effect of the present invention is very excellent, antibacterial time is long, has broad-spectrum antibacterial action.
Detailed description of the invention
According to following embodiment, the present invention may be better understood.But those skilled in the art will readily understand, concrete material proportion, process conditions and result thereof described by embodiment only for illustration of the present invention, and should can not limit the present invention described in detail in claims yet.
Embodiment 1
The preparation method of natural moistureproof edible food package paper, comprises the following steps:
(1) preparation of dietary fiber layer: with vegetables or fruit for raw material, clean blanching treatment in the boiling water bath be placed on containing sodium bicarbonate, in boiling water, the mass concentration of sodium bicarbonate is 0.15%; Be placed in cold water again to cool rapidly; The vegetables of cooling or fruit raw material are placed in beater pull an oar, are separated vegetable juice or fruit juice; Vegetables slag and pomace are pulverized 25min, crosses 120 mesh sieves; Filtrate to be placed under 50MPa homogeneous 4 times, obtains uniform fibers mixture liquid; Boil 2.5min, make fibers mixture liquid swelling; Continue to boil 2.5min, be cooled to 65 DEG C, add weight ratio Carboxymethyl Cellulose and sodium alginate, be stirred to and dissolve completely, then add beeswax, stir, cooling, preserves 1.5h, makes degassed, obtain film liquid under room temperature, 0.15Mpa; Utilize film rod coated film liquid on a glass, control wet-film thickness is 1-2mm; Drying, obtains dietary fiber layer;
(2) preparation of protein liquid: take soybean as raw material, cleans, soaking at room temperature 4h, defibrination, boils rear mistake 120 mesh sieve, obtain bean dregs; Bean dregs are joined gelatinization in adjunce copper, it is that the 0.15% sodium bicarbonate aqueous solution adjusts pH to 7-8 that stirring adds mass concentration simultaneously, adds protease hydrolytic reaction 4h, obtains amyloid proteins and stick with paste; Add modifier aqueous solution again, 50 DEG C of hybrid reaction 15min, obtain complex liquid; Add plasticizer and auxiliary additive in complex liquid, 50 DEG C are continued to stir 15min, obtain protein liquid; Wherein, the weight of Carboxymethyl Cellulose is 0.8% of fibers mixture liquid weight, and the weight of sodium alginate is 0.35% of fibers mixture liquid weight, and the weight of beeswax is 0.50% of fibers mixture liquid weight;
(3) preparation of petrifying liquid: get stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, the water being placed in 10 times amount decocts 10h; Filter, be concentrated into 1/3 volume; Add shitosan and amylomaize, stir, obtain petrifying liquid; The mass ratio of stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, shitosan and amylomaize is 15:10:10:10:10:4:1:100;
(4) preparation of natural moistureproof edible food package paper: coated by petrifying liquid on dietary fiber layer, after cooling, then coats protein liquid on moistureproof liquid layer, controls petrifying liquid below layer thickness 1mm; Control protein liquid thickness 1-2mm; Drying, to obtain final product.
Embodiment 2
The preparation method of natural moistureproof edible food package paper, comprises the following steps:
(1) preparation of dietary fiber layer: with vegetables or fruit for raw material, clean blanching treatment in the boiling water bath be placed on containing sodium bicarbonate, in boiling water, the mass concentration of sodium bicarbonate is 0.1%; Be placed in cold water again to cool rapidly; The vegetables of cooling or fruit raw material are placed in beater pull an oar, are separated vegetable juice or fruit juice; Vegetables slag and pomace are pulverized 20min, crosses 150 mesh sieves; Filtrate to be placed under 40MPa homogeneous 5 times, obtains uniform fibers mixture liquid; Boil 2min, make fibers mixture liquid swelling; Continue to boil 3min, be cooled to 60 DEG C, add weight ratio Carboxymethyl Cellulose and sodium alginate, be stirred to and dissolve completely, then add beeswax, stir, cooling, preserves 2h, makes degassed, obtain film liquid under room temperature, 0.20Mpa; Utilize film rod coated film liquid on a glass, control wet-film thickness is 1-2mm; Drying, obtains dietary fiber layer;
(2) preparation of protein liquid: take soybean as raw material, cleans, soaking at room temperature 3h, defibrination, boils rear mistake 100 mesh sieve, obtain bean dregs; Bean dregs are joined gelatinization in adjunce copper, it is that the 0.1% sodium bicarbonate aqueous solution adjusts pH to 7-8 that stirring adds mass concentration simultaneously, adds protease hydrolytic reaction 3h, obtains amyloid proteins and stick with paste; Add modifier aqueous solution again, 60 DEG C of hybrid reaction 10min, obtain complex liquid; Add plasticizer and auxiliary additive in complex liquid, 60 DEG C are continued to stir 10min, obtain protein liquid; Wherein, the weight of Carboxymethyl Cellulose is 0.5% of fibers mixture liquid weight, and the weight of sodium alginate is 0.5% of fibers mixture liquid weight, and the weight of beeswax is 0.24% of fibers mixture liquid weight;
(3) preparation of petrifying liquid: get stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, the water being placed in 15 times amount decocts 8h; Filter, be concentrated into 1/3 volume; Add shitosan and amylomaize, stir, obtain petrifying liquid; The mass ratio of stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, shitosan and amylomaize is 10:5:5:5:15:3:1:100;
(4) preparation of natural moistureproof edible food package paper: coated by petrifying liquid on dietary fiber layer, after cooling, then coats protein liquid on moistureproof liquid layer, controls petrifying liquid below layer thickness 1mm; Control protein liquid thickness 1-2mm; Drying, to obtain final product.
Embodiment 3
The preparation method of natural moistureproof edible food package paper, comprises the following steps:
(1) preparation of dietary fiber layer: with vegetables or fruit for raw material, clean blanching treatment in the boiling water bath be placed on containing sodium bicarbonate, in boiling water, the mass concentration of sodium bicarbonate is 0.2%; Be placed in cold water again to cool rapidly; The vegetables of cooling or fruit raw material are placed in beater pull an oar, are separated vegetable juice or fruit juice; Vegetables slag and pomace are pulverized 30min, crosses 100 mesh sieves; Filtrate to be placed under 60MPa homogeneous 3 times, obtains uniform fibers mixture liquid; Boil 3min, make fibers mixture liquid swelling; Continue to boil 2min, be cooled to 70 DEG C, add weight ratio Carboxymethyl Cellulose and sodium alginate, be stirred to and dissolve completely, then add beeswax, stir, cooling, preserves 1h, makes degassed, obtain film liquid under room temperature, 0.10Mpa; Utilize film rod coated film liquid on a glass, control wet-film thickness is 1-2mm; Drying, obtains dietary fiber layer;
(2) preparation of protein liquid: take soybean as raw material, cleans, soaking at room temperature 5h, defibrination, boils rear mistake 150 mesh sieve, obtain bean dregs; Bean dregs are joined gelatinization in adjunce copper, it is that the 0.2% sodium bicarbonate aqueous solution adjusts pH to 7-8 that stirring adds mass concentration simultaneously, adds protease hydrolytic reaction 5h, obtains amyloid proteins and stick with paste; Add modifier aqueous solution again, 30 DEG C of hybrid reaction 20min, obtain complex liquid; Add plasticizer and auxiliary additive in complex liquid, 30 DEG C are continued to stir 20min, obtain protein liquid; Wherein, the weight of Carboxymethyl Cellulose is 1.0% of fibers mixture liquid weight, and the weight of sodium alginate is 0.25% of fibers mixture liquid weight, and the weight of beeswax is 1.0% of fibers mixture liquid weight;
(3) preparation of petrifying liquid: get stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, the water being placed in 5 times amount decocts 12h; Filter, be concentrated into 1/3 volume; Add shitosan and amylomaize, stir, obtain petrifying liquid; The mass ratio of stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, shitosan and amylomaize is 20:15:15:15:5:5:1:100;
The preparation of natural moistureproof edible food package paper: coated by petrifying liquid on dietary fiber layer, after cooling, then coats protein liquid on moistureproof liquid layer, controls petrifying liquid below layer thickness 1mm; Control protein liquid thickness 1-2mm; Drying, to obtain final product.
Claims (8)
1. a natural moistureproof edible food package paper, is characterized in that: the moistureproof liquid layer comprising dietary fiber layer, albumen rete and be arranged between dietary fiber layer and albumen rete.
2. a preparation method for natural moistureproof edible food package paper, is characterized in that: comprise the following steps:
(1) preparation of dietary fiber layer: with vegetables or fruit for raw material, cleans blanching treatment in the boiling water bath be placed on containing sodium bicarbonate, then is placed in cold water and cools rapidly; The vegetables of cooling or fruit raw material are placed in beater pull an oar, are separated vegetable juice or fruit juice; Vegetables slag and pomace are pulverized 20-30min, crosses 100-150 mesh sieve; Filtrate to be placed under 40-60MPa homogeneous 3-5 time, obtains uniform fibers mixture liquid; Boil 2-3min, make fibers mixture liquid swelling; Continue to boil 2-3min, be cooled to 60-70 DEG C, add weight ratio Carboxymethyl Cellulose and sodium alginate, be stirred to and dissolve completely, then add beeswax, stir, cooling, preserves 1-2h, makes degassed, obtain film liquid under room temperature, 0.10-0.20Mpa; Utilize film rod coated film liquid on a glass, control wet-film thickness is 1-2mm; Drying, obtains dietary fiber layer;
(2) preparation of protein liquid: take soybean as raw material, cleans, soaking at room temperature 3-5h, defibrination, boils and crosses 100-150 mesh sieve afterwards, obtains bean dregs; Bean dregs are joined gelatinization in adjunce copper, stir and add sodium bicarbonate aqueous solution tune pH to 7-8 simultaneously, add protease hydrolytic reaction 3-5h, obtain amyloid proteins and stick with paste; Add modifier aqueous solution again, 30-60 DEG C of hybrid reaction 10-20min, obtains complex liquid; Add plasticizer and auxiliary additive in complex liquid, 30-60 DEG C is continued to stir 10-20min, obtains protein liquid;
(3) preparation of petrifying liquid: get stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, the water being placed in 5-15 times amount decocts 8-12h; Filter, be concentrated into 1/3 volume; Add shitosan and amylomaize, stir, obtain petrifying liquid;
(4) preparation of natural moistureproof edible food package paper: coated by petrifying liquid on dietary fiber layer, after cooling, then coats protein liquid on moistureproof liquid layer, controls petrifying liquid below layer thickness 1mm; Control protein liquid thickness 1-2mm; Drying, to obtain final product.
3. the preparation method of a kind of natural moistureproof edible food package paper according to claim 2, it is characterized in that: in step (1), the mass concentration of sodium bicarbonate is 0.1-0.2%.
4. the preparation method of a kind of natural moistureproof edible food package paper according to claim 2, it is characterized in that: in step (1), the weight of Carboxymethyl Cellulose is the 0.5-1.0% of fibers mixture liquid weight.
5. the preparation method of a kind of natural moistureproof edible food package paper according to claim 2, it is characterized in that: in step (1), the weight of sodium alginate is the 0.25-0.5% of fibers mixture liquid weight.
6. the preparation method of a kind of natural moistureproof edible food package paper according to claim 2, it is characterized in that: in step (1), the weight of beeswax is the 0.24-1.0% of fibers mixture liquid weight.
7. the preparation method of a kind of natural moistureproof edible food package paper according to claim 2, it is characterized in that: in step (2), the mass concentration of the sodium bicarbonate aqueous solution is 0.1-0.2%.
8. the preparation method of a kind of natural moistureproof edible food package paper according to claim 2, it is characterized in that: in step (3), the mass ratio of stalk, cordate houttuynia, duck wheat, soapberry, tea stalk, cassia seed, shitosan and amylomaize is (10-20): (5-15): (5-15): (5-15): (5-15): (3-5): 1:100.
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