CN106883616A - A kind of packaging material with bean dregs as matrix - Google Patents
A kind of packaging material with bean dregs as matrix Download PDFInfo
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- CN106883616A CN106883616A CN201710153857.0A CN201710153857A CN106883616A CN 106883616 A CN106883616 A CN 106883616A CN 201710153857 A CN201710153857 A CN 201710153857A CN 106883616 A CN106883616 A CN 106883616A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/463—Edible packaging materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2389/00—Characterised by the use of proteins; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/04—Alginic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
Abstract
The present invention discloses a kind of packaging material with bean dregs as matrix, and the packaging material include the basic unit and the edible film layer for coating the basic unit both sides with bean dregs as matrix.Packaging material preparation method of the invention is simple, and cost of material is low, and formula is reasonable, environmentally friendly to be easy to large-scale promotion and use, and is tool environmentally friendly packaging material for food with broad prospects for development.
Description
Technical field
The present invention relates to Food Packaging technology field.More particularly, to a kind of packaging material with bean dregs as matrix.
Background technology
Application of the plastic sheeting in packaging widely, (including food bag, the food isolation of traditional packaging material for food
Film etc.) mostly using chemical products such as polypropylene, polyethylene, environment is entered as discarded object after using, but because it can not be returned
Receive and utilize, non-degradable then inevitably exacerbates " white pollution ", cause long-term, profound ecological environment and ask
Topic, very big pressure is brought to environment and society.
Developing rapidly due to packing technique in recent years, used as a member of environmentally friendly packing material, edible packing material is obtained
Extensive use is arrived.So-called edible packing material, i.e., after the packaging function of material is realized, when being changed into " discarded object ", can be by
It is used as a kind of edible raw material, the functional realiey of packaging material is made the transition.The characteristics of edible packing material, is light weight, defends
It is raw, nonpoisonous and tasteless, can guarantee the quality directly against food Package, fresh-keeping effect it is preferable.
There is edible packaging important environmental protection and economy to be worth.Foreign countries' edible paper has two kinds at present, and one kind is with vegetable
Dish is primary raw material, and vegetables are beaten into drying after forming；Another kind is to be gelatinized starch, carbohydrate, adds other food additives,
The method similar with paper technology is taken to be molded.From the point of view of application with development prospect, the environmentally friendly packing material with vegetables as raw material
With more development potentiality.Japan is the country for researching and developing Vegetable paper earliest, and Japan's Vegetable paper has been achieved with scale metaplasia at present
Produce, its processing technology and equipment have been enter into forth generation, and every production line of maximum daily yield is up to 3.Janpanese sake well Physicochemical grinds
Study carefully succeeded in developing from bean dregs extract protein be made pure food fiber, be subsequently processed into edible package paper.Its
He also has fruit paper, marine alga paper etc..Edible packing paper, not only in Japan, is all in the world research and development focus.Its product master
It is used to facilitate the fields such as leisure food packaging, edible packaging.It is contemplated that, this new edible package paper will have
Very big market.Into the new century, the first significant innovation behave of China's grocery trade is：On January 1st, 2000 starts, " can from implementation
The packaging material for food of degraded ", progressively forbids the use of non-degradable material, " white pollution " of puzzlement is made us with control, under
The development of one step edible packaging lays the foundation.
The research and development of edible package film become a big focus.Edible food package film is naturally may be used
Feeding habits material is raw material, the film with porous network structure formed by different molecular interphase interaction.Edibility bag
Dress film can prevent food from local flavor, texture occurring in transporting procedures by preventing the migration of steam, gas and solute etc.
Etc. aspect change, it is ensured that the quality of food, extend Food Shelf-life, and can be eaten together with packaged food, without any ring
Border pollution problem.
Any harmful material must not be added in the production process of edible food package film, this is required
Preparing the raw material selected by film has edible safety higher, and the composition of raw material directly affects the physical and mechanical properties of film
And barrier property.It would therefore be desirable on the basis of manufacturing cost is reduced, select the reliable raw material of edible safety, and make
It is standby go out the food product packing film with preferable physical and mechanical properties and barrier property, so as to realize economic development and environmental protection
Doulbe-sides' victory.
At present, at home and abroad it is rarely reported as the new edible packing material prepared into film base material using bean dregs.
The content of the invention
It is an object of the invention to provide a kind of packaging material with bean dregs as matrix.
To reach above-mentioned purpose, the present invention uses following technical proposals：
A kind of packaging material with bean dregs as matrix, the packaging material are including the basic unit with bean dregs as matrix and coat
The edible film layer of the basic unit both sides.
Preferably, the basic unit with bean dregs as matrix is prepared by following step：
(1) bean dregs are processed into bean powder；
(2) bean powder, thickener and water are mixed into pastel；
(3) pastel of step (2) is placed in drying and moulding in mould, the basic unit of the packaging material is obtained.
Preferably, the bean dregs described in step (1) are soybean residue, red bean slag, mung bean slag, the one kind in black soya bean slag and French beans slag
Or it is several.
Preferably, the thickener includes casein sodium, Arabic gum, tamarind seed polysaccharide glue, sodium alginate, OK a karaoke club
One or more in glue, pectin and xanthans.
Preferably, the mass ratio of step (2) described bean powder, thickener and water is 1-3:1-4:2-7.
Preferably, pastel is carried out into ultrasound degassing 10-20min, ultrasonic power is 50-100W；Pastel after degassing
Drying and moulding at a temperature of being placed in 50-70 DEG C is painted into mould, the basic unit of the packaging material is formed.
Preferably, the edible film layer is prepared by following step：
A. sodium alginate, sodium cellulose glycolate are dissolved in water and obtain mixed solution A；
B. gelatin is dissolved in water and solution B is obtained after swelling；
C. solution A and solution B are mixed to form solution C, then to glycerine is added in solution C, are evenly stirred until and are completely dissolved,
Obtain into film liquid；
D. to carrying out vacuum defoamation into film liquid；The substrate surface that the packaging material are coated on into film liquid after deaeration, warp
Cross the edible film layer for drying and being formed and be attached in the basic unit.
Preferably, the mass ratio of the sodium alginate, sodium cellulose glycolate and gelatin is 2-5:0.5-2:0.2-1；It is excellent
Selection of land, the mass ratio of the sodium alginate, sodium cellulose glycolate and gelatin is 4:1:0.5.
Preferably, the quality of glycerine is added described in step c for the 5-10wt% of solution C gross weight.
Preferably, drying described in step d is to be vacuum dried at a temperature of 50-70 DEG C.
Beneficial effects of the present invention are as follows：
1st, packaging material preparation method of the invention is simple, and cost of material is low, it is easy to large-scale promotion and use, and is have
The environmentally friendly packaging material for food of broad based growth prospect.
2nd, packaging material formula of the invention is reasonable, and intensity is good, environmentally friendly, can mitigate the pressure caused to environment
Power.
Specific embodiment
In order to illustrate more clearly of the present invention, with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, and should not limit this with this
The protection domain of invention.
Bean dregs are a kind of abundant dietary fiber resources, and its dietary fiber is that putative safety meals of fine quality are fine
Dimension, crude fiber content is about 60%, and in addition to containing cellulose, hemicellulose, also containing pectin, mannosan, coca bean gum etc. can
Soluble fiber, the research soybean dietary fiber that shows to take food in right amount can not only prevent and treat enterogastritis, cancer, heart disease etc., and can increase
Satiety, prevents the generation of obesity.2007, Chinese processed soybeans were more than 26,000,000 tons, therefore the bean dregs for producing are also one
Considerable numeral, but at present, bean dregs are used mainly as fertilizer and feed, and utilization rate and economic worth are extremely low, cause very big
The wasting of resources, so, edible packing material is prepared using bean dregs, not only contribute to improve the security of packaging for foodstuff, also
Help complementary diets fiber, quality of making the life better, and the resource added value of bean dregs is substantially increased, for the life of bean product industry
Deposit and develop with particularly important meaning.
A kind of packaging material with bean dregs as matrix of the invention, with following structure, and are obtained by following methods：
A kind of packaging material with bean dregs as matrix, including basic unit with bean dregs as matrix and coat the basic unit both sides
Edible film layer.
Wherein, the basic unit with bean dregs as matrix is prepared by following step：
(1) bean dregs are processed into bean powder；
(2) bean powder, thickener and water are mixed into pastel；
(3) pastel of step (2) is placed in drying and moulding in mould, the basic unit of the packaging material is obtained；
Bean dregs in step (1) are soybean residue, red bean slag, mung bean slag, one or more in black soya bean slag and French beans slag；Will
Bean dregs are processed as bean powder, including collect bean dregs, and cleaning bean dregs and then normal temperature are dried, and dry bean dregs are placed in pulverizer and are crushed
It is bean powder；The size of bean powder was 100-200 mesh sieves；
Thickener in step (2) is food thickening agent；Food thickening agent include gelatin, casein sodium, Arabic gum,
One kind in tamarind seed polysaccharide glue, agar, sodium alginate, carragheen, pectin, xanthans, dextrin and sodium cellulose glycolate or
It is several；The mass ratio of bean powder, thickener and water is 1-3:1-4:2-7；
Pastel is carried out into ultrasound degassing 10-20min in step (3), ultrasonic power is 50-100W；Pasty state after degassing
Thing is painted into die for molding, is dried at a temperature of being placed in 50-70 DEG C after shaping；
Wherein, edible film layer is prepared by following step：
A. sodium alginate, sodium cellulose glycolate are dissolved in water and obtain mixed solution A；
B. gelatin is dissolved in water and solution B is obtained after swelling；
C. solution A and solution B are mixed to form solution C, then to glycerine is added in solution C, are evenly stirred until and are completely dissolved,
Obtain into film liquid；
D. to carrying out vacuum defoamation into film liquid；The substrate surface that the packaging material are coated on into film liquid after deaeration, warp
Cross the edible film layer for drying and being formed and be attached in the basic unit；
The mass ratio of sodium alginate, sodium cellulose glycolate and gelatin is 2-5:0.5-2:0.2-1；Preferably, alginic acid
The mass ratio of sodium, sodium cellulose glycolate and gelatin is 4:1:0.5；
The quality of glycerine is added described in step c for the 5-10wt% of solution C gross weight；
Drying described in step d is to be vacuum dried at a temperature of 50-70 DEG C.
Sodium alginate is a kind of linear polymeric polysaccharide by uronic acid monomer composition, and it is steady except doing in the food industry
Determine agent, outside thickener, be tested and be used as the auxiliary materials such as artificial casing, food fresh keeping membrane, with slowing down food water loss and suppress
Effect of microorganism pollution；Sodium cellulose glycolate is a kind of polymer fiber element ether high, and abbreviation Na-CMC or CMC, are linear water
Dissolubility polyanionic compound, the title for having industrial monosodium glutamate.Gelatin is obtained by collagen thermal denaturation or through physics, chemical degradation
Protein material, with good biocompatibility, biodegradability, reversible transsexual, the fabulous film forming of sol-gel
The characteristic such as property and just melt in the mouth；The property of gelatin is similar to the property of the polymer of synthesis in food protein, therefore, it is bright
Glued membrane application field, in food and drug packages field, can be used for seasoning bag, the inner packing of Chinese patent drug than wide.
Obtained packaging material of the invention, can be used for making cutlery box, seasoning bag, the inner packing of various food or disposable
The external packing of article.
Preparing packaging material of the invention includes two stages, prepares the basic unit with bean dregs as matrix, and with coating method
It is attached to the edible film layer in basic unit.
Embodiment 1
Prepare the basic unit of packaging material
(1) soybean residue and French beans slag are collected；Cleaning bean dregs and then normal temperature are dried, and dry bean dregs are placed in into powder in pulverizer
Broken is bean powder；The size of bean powder was 200 mesh sieves；
(2) in mass ratio it is 1 by bean powder, gelatin and water:1:2 ratio is mixed into pasty state；
(3) pastel is carried out into ultrasound degassing 20min, ultrasonic power is 70W；Pastel after degassing is painted into cutlery box shape
Die for molding, dries at a temperature of 50 DEG C are placed in after shaping；
Prepare the edible film layer of packaging material
In mass ratio 4:1:0.5 weighs sodium alginate, sodium cellulose glycolate and gelatin,
A. sodium alginate, sodium cellulose glycolate are dissolved in water and obtain mixed solution A, the consumption of water is sodium alginate and hydroxyl
3 times of sodium carboxymethylcellulose pyce quality gross weight；
B. gelatin is dissolved in water and solution B is obtained after swelling 30min, the consumption of water is 3 times of gelatin quality；
C. solution A and solution B are mixed to form solution C, then to glycerine is added in solution C, are evenly stirred until and are completely dissolved,
Obtain into film liquid；The quality of glycerine is added for the 5-10wt% of solution C gross weight；
D. to carrying out vacuum defoamation into film liquid；The substrate surface that the packaging material are coated on into film liquid after deaeration, warp
The drying of the vacuum at a temperature of 50-70 DEG C is crossed, formation is attached to the edible film layer in basic unit.
The obtained packaging material with bean dregs as raw material of the present embodiment, profile and physical and chemical index, sanitary standard meet phase
Pass standard.1. sensory evaluation：In milk yellow, surface is smooth, without breach and breach, with preferable toughness and flexibility；2. give birth to
Change index：Packaging material thickness is in 1.0-2.0mm；Coliform group count≤20/100g, without pathogenic bacteria and Detection of pathogenic bacteria；Packaging
The tensile strength of material is 65MPa, and fracture elongation is 60%, when dissolution time at 50 DEG C is 12min, dissolving at 80 DEG C
Between be 10min.
Embodiment 2
(1) red bean slag and French beans slag are collected；Cleaning bean dregs and then normal temperature are dried, and dry bean dregs are placed in into powder in pulverizer
Broken is bean powder；The size of bean powder was 200 mesh sieves；
(2) in mass ratio it is 2 by bean powder, casein sodium and water:1:3 ratio is mixed into pasty state；
(3) pastel is carried out into ultrasound degassing 20min, ultrasonic power is 70W；Pastel after degassing is painted into cutlery box shape
Die for molding, dries at a temperature of 50 DEG C are placed in after shaping；
Prepare the edible film layer of packaging material
In mass ratio 4:1:0.5 weighs sodium alginate, sodium cellulose glycolate and gelatin,
A. sodium alginate, sodium cellulose glycolate are dissolved in water and obtain mixed solution A, the consumption of water is sodium alginate and hydroxyl
3 times of sodium carboxymethylcellulose pyce quality gross weight；
B. gelatin is dissolved in water and solution B is obtained after swelling 30min, the consumption of water is 3 times of gelatin quality；
C. solution A and solution B are mixed to form solution C, then to glycerine is added in solution C, are evenly stirred until and are completely dissolved,
Obtain into film liquid；The quality of glycerine is added for the 5-10wt% of solution C gross weight；
D. to carrying out vacuum defoamation into film liquid；The substrate surface that the packaging material are coated on into film liquid after deaeration, warp
The drying of the vacuum at a temperature of 50-70 DEG C is crossed, formation is attached to the edible film layer in basic unit.
The obtained packaging material with bean dregs as raw material of the present embodiment, profile and physical and chemical index, sanitary standard meet phase
Pass standard.1. sensory evaluation：In pale red, surface is smooth, without breach and breach, with preferable toughness and flexibility；2. give birth to
Change index：Packaging material thickness is in 1.0-2.0mm；Coliform group count≤20/100g, without pathogenic bacteria and Detection of pathogenic bacteria, packaging
The tensile strength of material is 55MPa, and fracture elongation is 60%, when dissolution time at 50 DEG C is 8min, dissolving at 80 DEG C
Between be 4min.
Embodiment 3
(1) mung bean slag and French beans slag are collected；Cleaning bean dregs and then normal temperature are dried, and dry bean dregs are placed in into powder in pulverizer
Broken is bean powder；The size of bean powder is 0.02mm；
(2) in mass ratio it is 3 by bean powder, Arabic gum and water:1:4 ratio is mixed into pasty state；
(3) pastel is carried out into ultrasound degassing 20min, ultrasonic power is 70W；Pastel after degassing is painted into cutlery box shape
Die for molding, dries at a temperature of 50 DEG C are placed in after shaping；
Prepare the edible film layer of packaging material
In mass ratio 4:1:0.5 weighs sodium alginate, sodium cellulose glycolate and gelatin,
A. sodium alginate, sodium cellulose glycolate are dissolved in water and obtain mixed solution A, the consumption of water is sodium alginate and hydroxyl
3 times of sodium carboxymethylcellulose pyce quality gross weight；
B. gelatin is dissolved in water and solution B is obtained after swelling 30min, the consumption of water is 3 times of gelatin quality；
C. solution A and solution B are mixed to form solution C, then to glycerine is added in solution C, are evenly stirred until and are completely dissolved,
Obtain into film liquid；The quality of glycerine is added for the 5-10wt% of solution C gross weight；
D. to carrying out vacuum defoamation into film liquid；The substrate surface that the packaging material are coated on into film liquid after deaeration, warp
The drying of the vacuum at a temperature of 50-70 DEG C is crossed, formation is attached to the edible film layer in basic unit.
The obtained packaging material with bean dregs as raw material of the present embodiment, profile and physical and chemical index, sanitary standard meet phase
Pass standard.1. sensory evaluation：In light green, surface is smooth, without breach and breach, with preferable toughness and flexibility；2. give birth to
Change index：Packaging material thickness is in 1.0-2.0mm；Coliform group count≤20/100g, without pathogenic bacteria and Detection of pathogenic bacteria, packaging
The tensile strength of material is 58MPa, and fracture elongation is 57%, when dissolution time at 50 DEG C is 10min, dissolving at 80 DEG C
Between be 5min.
Embodiment 4
(1) soybean residue and French beans slag are collected；Cleaning bean dregs and then normal temperature are dried, and dry bean dregs are placed in into powder in pulverizer
Broken is bean powder；The size of bean powder is 0.03mm；
(2) in mass ratio it is 1 by bean powder, tamarind seed polysaccharide glue and water:2:3 ratio is mixed into pasty state；
(3) pastel is carried out into ultrasound degassing 20min, ultrasonic power is 70W；Pastel after degassing is painted into cutlery box shape
Die for molding, dries at a temperature of 50 DEG C are placed in after shaping；
Prepare the edible film layer of packaging material
In mass ratio 4:1:0.5 weighs sodium alginate, sodium cellulose glycolate and gelatin,
A. sodium alginate, sodium cellulose glycolate are dissolved in water and obtain mixed solution A, the consumption of water is sodium alginate and hydroxyl
3 times of sodium carboxymethylcellulose pyce quality gross weight；
B. gelatin is dissolved in water and solution B is obtained after swelling 30min, the consumption of water is 3 times of gelatin quality；
C. solution A and solution B are mixed to form solution C, then to glycerine is added in solution C, are evenly stirred until and are completely dissolved,
Obtain into film liquid；The quality of glycerine is added for the 5-10wt% of solution C gross weight；
D. to carrying out vacuum defoamation into film liquid；The substrate surface that the packaging material are coated on into film liquid after deaeration, warp
The drying of the vacuum at a temperature of 50-70 DEG C is crossed, formation is attached to the edible film layer in basic unit.
The obtained packaging material with bean dregs as raw material of the present embodiment, profile and physical and chemical index, sanitary standard meet phase
Pass standard.1. sensory evaluation：In milk yellow, surface is smooth, without breach and breach, with preferable toughness and flexibility；2. give birth to
Change index：Packaging material thickness is in 1.0-2.0mm；Coliform group count≤20/100g, without pathogenic bacteria and Detection of pathogenic bacteria, packaging
The tensile strength of material is 57MPa, and fracture elongation is 60%, when dissolution time at 50 DEG C is 11min, dissolving at 80 DEG C
Between be 5min.
Embodiment 5
(1) black soya bean slag and French beans slag are collected；Cleaning bean dregs and then normal temperature are dried, and dry bean dregs are placed in into powder in pulverizer
Broken is bean powder；The size of bean powder is 0.03mm；
(2) in mass ratio it is 1 by bean powder, agar and water:3:4 ratio is mixed into pasty state；
(3) pastel is carried out into ultrasound degassing 20min, ultrasonic power is 70W；Pastel after degassing is painted into cutlery box shape
Die for molding, dries at a temperature of 50 DEG C are placed in after shaping；
Prepare the edible film layer of packaging material
In mass ratio 4:1:0.5 weighs sodium alginate, sodium cellulose glycolate and gelatin,
A. sodium alginate, sodium cellulose glycolate are dissolved in water and obtain mixed solution A, the consumption of water is sodium alginate and hydroxyl
3 times of sodium carboxymethylcellulose pyce quality gross weight；
B. gelatin is dissolved in water and solution B is obtained after swelling 30min, the consumption of water is 3 times of gelatin quality；
C. solution A and solution B are mixed to form solution C, then to glycerine is added in solution C, are evenly stirred until and are completely dissolved,
Obtain into film liquid；The quality of glycerine is added for the 5-10wt% of solution C gross weight；
D. to carrying out vacuum defoamation into film liquid；The substrate surface that the packaging material are coated on into film liquid after deaeration, warp
The drying of the vacuum at a temperature of 50-70 DEG C is crossed, formation is attached to the edible film layer in basic unit.
The obtained packaging material with bean dregs as raw material of the present embodiment, profile and physical and chemical index, sanitary standard meet phase
Pass standard.1. sensory evaluation：In grey black, surface is smooth, without breach and breach, with preferable toughness and flexibility；2. give birth to
Change index：Packaging material thickness is in 1.0-2.0mm；Coliform group count≤20/100g, without pathogenic bacteria and Detection of pathogenic bacteria, packaging
The tensile strength of material is 57MPa, and fracture elongation is 60%, when dissolution time at 50 DEG C is 10min, dissolving at 80 DEG C
Between be 6min.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all of implementation method cannot be exhaustive here, it is every to belong to this hair
Obvious change that bright technical scheme is extended out changes row still in protection scope of the present invention.
Claims (10)
1. a kind of packaging material with bean dregs as matrix, it is characterised in that：The packaging material include the base with bean dregs as matrix
Layer and the edible film layer for coating the basic unit both sides.
2. packaging material according to claim 1, it is characterised in that the basic unit with bean dregs as matrix is by following step
Prepare：
(1) bean dregs are processed into bean powder；
(2) bean powder, thickener and water are mixed into pastel；
(3) pastel of step (2) is placed in drying and moulding in mould, the basic unit of the packaging material is obtained.
3. packaging material according to claim 2, it is characterised in that the bean dregs described in step (1) are soybean residue, red bean
Slag, mung bean slag, one or more in black soya bean slag and French beans slag.
4. packaging material according to claim 2, it is characterised in that：The thickener includes casein sodium, Arab
One or more in glue, tamarind seed polysaccharide glue, sodium alginate, carragheen, pectin and xanthans.
5. packaging material according to claim 2, it is characterised in that the quality of step (2) described bean powder, thickener and water
Than being 1-3:1-4:2-7.
6. packaging material according to claim 2, it is characterised in that：Pastel is carried out into ultrasound degassing 10-20min, is surpassed
Acoustical power is 50-100W；Pastel after degassing is painted into mould drying and moulding at a temperature of being placed in 50-70 DEG C, forms institute
State the basic unit of packaging material.
7. packaging material according to claim 1, it is characterised in that the edible film layer is prepared into by following step
Arrive：
A. sodium alginate, sodium cellulose glycolate are dissolved in water and obtain mixed solution A；
B. gelatin is dissolved in water and solution B is obtained after swelling；
C. solution A and solution B are mixed to form solution C, then to glycerine is added in solution C, are evenly stirred until and are completely dissolved, obtained
Into film liquid；
D. to carrying out vacuum defoamation into film liquid；The substrate surface that the packaging material are coated on into film liquid after deaeration, through overdrying
Dry formation is attached to the edible film layer in the basic unit.
8. packaging material according to claim 7, it is characterised in that the sodium alginate, sodium cellulose glycolate and bright
The mass ratio of glue is 2-5:0.5-2:0.2-1；Preferably, the mass ratio of the sodium alginate, sodium cellulose glycolate and gelatin
It is 4:1:0.5.
9. packaging material according to claim 7, it is characterised in that the quality that glycerine is added described in step c is solution C
The 5-10wt% of gross weight.
10. packaging material according to claim 7, it is characterised in that drying described in step d is the temperature at 50-70 DEG C
Lower vacuum drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153857.0A CN106883616A (en) | 2017-03-15 | 2017-03-15 | A kind of packaging material with bean dregs as matrix |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113974073B (en) * | 2021-09-27 | 2024-04-26 | 哈尔滨商业大学 | Vegetable-bean dreg mixed-base edible vegetable packaging paper and preparation method thereof |
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Application publication date: 20170623 |