CN109181007A - A kind of compound edible freshness-keeping thin coat and preparation method containing pueraria lobata alcohol soluble protein - Google Patents
A kind of compound edible freshness-keeping thin coat and preparation method containing pueraria lobata alcohol soluble protein Download PDFInfo
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- CN109181007A CN109181007A CN201811361621.7A CN201811361621A CN109181007A CN 109181007 A CN109181007 A CN 109181007A CN 201811361621 A CN201811361621 A CN 201811361621A CN 109181007 A CN109181007 A CN 109181007A
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- pueraria lobata
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
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- 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
- C08J2489/00—Characterised by the use of proteins; Derivatives thereof
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- 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
- C08J2499/00—Characterised by the use of natural macromolecular compounds or of derivatives thereof not provided for in groups C08J2401/00 - C08J2407/00 or C08J2489/00 - C08J2497/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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Abstract
The present invention provides a kind of compound edible freshness-keeping thin coat and preparation method containing pueraria lobata alcohol soluble protein, by adding suitable pueraria lobata alcohol soluble protein, pueraria lobata cellulose, Chinese scholartree reality glue and sterculia seed gluing element, so that the compound edible freshness-keeping thin coat of the pueraria lobata alcohol soluble protein of preparation has good flexibility and ductility.The raw materials used present invention is raw-food materials and food additives, and safe and non-toxic compared with traditional plastic package material, environment-friendly degradable is edible, have better safety and environmental protection effect.
Description
Technical field
The invention belongs to preservative film fields, protect more particularly, to a kind of compound edibility containing pueraria lobata alcohol soluble protein
Fresh film and preparation method.
Background technique
Preservative film is ubiquitous in life, has many families all to be unable to do without them, the exhausted big portion sold currently on the market
It divides preservative film as common polybag, is prepared using ethylene masterbatch as raw material.These preservative films endanger to human body
Evil is bigger, such as wraps up a dishful of life or ripe food using these preservative films, and very large area can be with soft preservative film in food
It is close to, the vinyl chloride monomer content in preservative film is relatively high, the plasticising for being easy to release, and being added in production mold process
Agent DEHA and pigment, through a long time are directly contacted with food, it is easier to be penetrated into food, be endangered health into human body, especially
After the heating such as microwave or cryogenic freezing, the progress of this process but will be accelerated.Moreover, when above several materials meet rouge
When fat food and high temperature, chemical substance can be released in feed object, danger level highest.It is found from zoopery, above several substances enable
Animal is carcinogenic, and interferes human endocrine, causes women's contracting breast cancer, newborn's birth defect, in daily life, countless foods
Object can all be connected to preservative film, and the toxin that tin foil slowly releases is long-term to threaten user's health.Accordingly it is desirable to there is one kind
The edible freshness-keeping thin coat of safe green.
Edible composite film is with lipid, protein or polysaccharide etc. for primary raw material, is pressed with other edibility raw materials
A kind of preservative film that certain proportion is mixed.Grind make internal disorder or usurp show pueraria lobata alcohol-soluble protein film have the moist, oxygen barrier of good resistance,
Heat resistance and resistance to lipid, the ability that also there is height to resist microbiological attack, and have mildew-proof function under wet heat condition.So as to
The moisture or other compositions Fa Sheng gan slowed down in food is moved or is spread, and can largely reduce the speed that qualitative change occurs for food
Degree；The breeding of spoilage organisms and pathogenic bacteria is reduced, food is reduced and hydrolysis occurs and aoxidizes and rancid possibility；Prevent the guarantor in food
Hold the volatilization of flavor substance；To promote the fresh-keeping of food.Currently, utilizing the compound edible freshness-keeping thin coat of pueraria lobata alcohol soluble protein
There is not been reported.
Pueraria lobata is the root tuber of legume pueraria lobata or sweet kudzu trailing plants, is a kind of often feeding vegetables of some provinces and regions of southern china,
Its taste is sweet, cool and tasty, is often used as Baoshang, can also make drug.Wild Pueraria includes 12% flavone compound, as Puerarin,
The nutritional ingredients such as daizeol glycosides, peanut element, there are also the mines such as protein, amino acid, sugar and iron needed by human, calcium, copper, selenium
Substance is rare invigorant suitable for people of all ages, has the good reputation of " ginseng in thousand ", its effective component is used for ecological preservative film, no
But is conducive to human health, and has huge market efficiency.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of compound edibility containing pueraria lobata alcohol soluble protein is provided
Preservative film and preparation method, by adding suitable pueraria lobata cellulose, Chinese scholartree reality glue and sterculia seed gluing element, so that the pueraria lobata of preparation
The compound edible freshness-keeping thin coat of alcohol soluble protein has good flexibility and ductility, provides preparation method and includes:
(1) pueraria lobata alcohol soluble protein, pueraria lobata cellulose, Chinese scholartree reality rubber powder, sterculia seed gluing element powder are dissolved in ethyl alcohol and 1,2-
In propylene glycol complex liquid；
(2) then ultrasonic degassing, obtain edible composite film liquid；The edible composite film liquid is subjected to pour mask, drying
And skinning, the compound edible freshness-keeping thin coat containing pueraria lobata alcohol soluble protein can be obtained.
Preferably, in the edible composite film liquid, the mass concentration of pueraria lobata alcohol soluble protein is 10-30%；Pueraria lobata fiber
The mass concentration of element is 20-35%；The mass concentration of Chinese scholartree reality rubber powder is 3-9%；The mass concentration of sterculia seed gluing element powder is 2-
4%.
Preferably, the preparation method of the ethyl alcohol and 1,2-PD complex liquid is by ethanol water and 1,2-PD
It is uniformly mixed by volume for 2-5:3-6, the volumetric concentration of the ethanol water is 40-80%.
Preferably, the pour mask is but to pour into the edible composite film liquid cooling in container afterwards, until the edibility
Composite membrane liquid is evenly covered on whole container surface.
Preferably, the drying and skinning are that the membrane carrier for being coated with the edible composite film liquid is dried, to institute
It states after edible composite film liquid is fully cured and is removed from the membrane carrier.
Preferably, the drying is natural air drying or dries in 40-70 DEG C of baking oven.
Preferably, step (1) in, by the pueraria lobata alcohol soluble protein, Chinese scholartree reality rubber powder, sterculia seed gluing element powder in heating temperature
It is dissolved at 60-80 DEG C in ethyl alcohol and 1,2- propylene glycol complex liquid.
Preferably, application of the edible freshness-keeping thin coat as food fresh keeping membrane.
The invention has the advantages that:
1, preservative film of the invention contains integration of drinking and medicinal herbs raw material pueraria lobata, the sterculia seed, Chinese scholartree reality, has good resistance moist and resistance
Oxygen, and then food can be reduced, hydrolysis occurs and aoxidizes and rancid possibility, prevent the volatilization of the flavor substance in food.
2, the ability that also there is preservative film of the invention height to resist microbiological attack, there is mould proof work under wet heat condition
With the quality and shelf life of food can be improved；And flexibility, ductility and nerve that preservative film of the invention has had.
3, the raw materials used present invention is raw-food materials and food additives, compared with traditional plastic package material, peace
Atoxic, environment-friendly degradable is edible, has better safety and environmental protection effect.,
4, the present invention becomes product of the present invention and produces with antibacterial anti-corrosion, instruction using plant extracts as film component
The intelligent degradable edible film of product quality comparison.Plant extracts can be effectively suppressed cause food spoilage all kinds of bacteriums,
Saccharomycete, fungus growth, when being used for packaged food product, food does not add preservative or adds preservative less, so that it may meet food
The demand of product shelf life, while food does not add or reduces the use of preservative and is conducive to human health.
5, the present invention is due to being the wherein pueraria lobata using pueraria lobata alcohol soluble protein, Chinese scholartree reality glue and sterculia seed gluing element as main material
There is protein abundant in root tuber, be a kind of often feeding vegetables of some provinces and regions of southern china, taste is sweet, cool and tasty, often makees Baoshang
It is used, drug can also be made, generate heat for exterior syndrome, stiff nape and back, measles without adequate eruption, pyreticosis is thirsty, and the deficiency of Yin is quenched one's thirst, and heat is purged heat dysentery, spleen
Empty diarrhea is rare invigorant suitable for people of all ages, using it as the edible valence in edible preservative film, substantially increasing pueraria lobata
Value.Contain the ingredients such as fat oil, galactolipin, mannosan and vitamin A, C in Chinese scholartree reality, except decompression, hemostasis, antibacterial and anti-inflammation functions
Outside, there is certain preventive and therapeutic action to hypertension, coronary heart disease, cerebrovascular sclerosis.Gluing element in the sterculia seed can be significantly
Enhance the ductility of edible film.
6, fresh-keeping film preparation material of the invention is simple, is easy to get, is easy to operate, and then can increase economic benefit；And this
The preservative film of invention has edibility, degradability, and residual toxicity problem is not present, highly-safe.
7, intelligent film produced by the invention has excellent mechanical property, oil resistance performance, oxygen resistance and heat sealability,
Tensile strength is up to 50MPa or more, and elongation percentage is less than 6%, oil penetrating rate 0, heat sealable at bag, substantially meets varieties of food items packaging
Demand.
Specific embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe preferred implementations of the invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.
Embodiment 1
The present embodiment is related to a kind of compound edible freshness-keeping thin coat and preparation method containing pueraria lobata alcohol soluble protein, the preparation
Method the specific steps are by pueraria lobata alcohol soluble protein, pueraria lobata cellulose, Chinese scholartree reality rubber powder, sterculia seed gluing element powder in heating temperature
It is dissolved at 60 DEG C in ethyl alcohol and 1,2- propylene glycol complex liquid；Then ultrasonic degassing obtains edible composite film liquid；It can by described in
Feeding habits composite membrane liquid carries out pour mask, drying and skinning, and the compound edible freshness-keeping thin coat containing pueraria lobata alcohol soluble protein can be obtained.
In the edible composite film liquid, the mass concentration of pueraria lobata alcohol soluble protein is 10%；The quality of pueraria lobata cellulose is dense
Degree is 20%；The mass concentration of Chinese scholartree reality rubber powder is 3%；The mass concentration of sterculia seed gluing element powder is 2%.
The preparation method of the ethyl alcohol and 1,2- propylene glycol complex liquid is that ethanol water and 1,2- propylene glycol are pressed volume
Than being uniformly mixed for 2:3, the volumetric concentration of the ethanol water is 40%.
The pour mask is but to pour into the edible composite film liquid cooling in container afterwards, until the edible composite film liquid
It is evenly covered on whole container surface.
The drying and skinning are that the membrane carrier for being coated with the edible composite film liquid is dried, to the edibility
Composite membrane liquid is removed from the membrane carrier after being fully cured.
The drying is natural air drying or dries in 40 DEG C of baking oven.
Embodiment 2
The present embodiment is related to a kind of compound edible freshness-keeping thin coat and preparation method containing pueraria lobata alcohol soluble protein, the preparation
Method the specific steps are be dissolved in pueraria lobata alcohol soluble protein, Chinese scholartree reality rubber powder, sterculia seed gluing element powder at 70 DEG C of heating temperature
In ethyl alcohol and 1,2- propylene glycol complex liquid；Then ultrasonic degassing obtains edible composite film liquid；By the edible composite film liquid
Pour mask, drying and skinning are carried out, the compound edible freshness-keeping thin coat containing pueraria lobata alcohol soluble protein can be obtained.
In the edible composite film liquid, the mass concentration of pueraria lobata alcohol soluble protein is 20%；The quality of pueraria lobata cellulose is dense
Degree is 28%；The mass concentration of Chinese scholartree reality rubber powder is 5%；The mass concentration of sterculia seed gluing element powder is 3%.
The preparation method of the ethyl alcohol and 1,2- propylene glycol complex liquid is that ethanol water and 1,2- propylene glycol are pressed volume
Than being uniformly mixed for 2:6, the volumetric concentration of the ethanol water is 50%.
The pour mask is but to pour into the edible composite film liquid cooling in container afterwards, until the edible composite film liquid
It is evenly covered on whole container surface.
The drying and skinning are that the membrane carrier for being coated with the edible composite film liquid is dried, to the edibility
Composite membrane liquid is removed from the membrane carrier after being fully cured.
The drying is natural air drying or dries in 40-70 DEG C of baking oven.
Embodiment 3
The present embodiment is related to a kind of compound edible freshness-keeping thin coat and preparation method containing pueraria lobata alcohol soluble protein, the preparation
Method the specific steps are be dissolved in pueraria lobata alcohol soluble protein, Chinese scholartree reality rubber powder, sterculia seed gluing element powder at 80 DEG C of heating temperature
In ethyl alcohol and 1,2- propylene glycol complex liquid；Then ultrasonic degassing obtains edible composite film liquid；By the edible composite film liquid
Pour mask, drying and skinning are carried out, the compound edible freshness-keeping thin coat containing pueraria lobata alcohol soluble protein can be obtained.
In the edible composite film liquid, the mass concentration of pueraria lobata alcohol soluble protein is 30%；The quality of pueraria lobata cellulose is dense
Degree is 35%；The mass concentration of Chinese scholartree reality rubber powder is 9%；The mass concentration of sterculia seed gluing element powder is 4%.
The preparation method of the ethyl alcohol and 1,2- propylene glycol complex liquid is that ethanol water and 1,2- propylene glycol are pressed volume
Than being uniformly mixed for 5:6, the volumetric concentration of the ethanol water is 80%.
The pour mask is but to pour into the edible composite film liquid cooling in container afterwards, until the edible composite film liquid
It is evenly covered on whole container surface.
The drying and skinning are that the membrane carrier for being coated with the edible composite film liquid is dried, to the edibility
Composite membrane liquid is removed from the membrane carrier after being fully cured.
The drying is natural air drying or dries in 70 DEG C of baking oven.
Test case
The performance test of preservative film of the present invention:
(1) it the grease transmission measurement method of edible film: in the built-in 5mL soybean oil of test tube, is sealed with edible film sample
Firmly test tube mouth, then the filter paper weighed in advance is put, it is inverted and is put in the drier of relative humidity 53% under the conditions of 25 DEG C.One
The quality of filter paper is recorded after week.The calculating of grease transmitance is referring to following formula: P0=△ mh/st, in formula: P0For grease
Transmitance/(g/ (m2·d))；△ m is mass change/g that filter paper weighs front and back；For edible film thickness/mm；S is test tube
Open area/m2；T is testing time/d.
(2) water solubility test method of edible film: the edible film sample for being cut into 2cm × 2cm specification is taken, Sheng is placed in
It in the beaker of full 90 DEG C of water, can find that edible film is first shunk, be then dispersed in water in many tiny graininess, at one section
Between after observe graininess in water under sunlight and disappear and test the terminal of molten water time, the number of seconds of record sample dissolution for this.
(3) it the tensile strength test method of edible film: according to ASTM D 882-01 method, is surveyed using property tester
Fixed (TS), the initial spacing of two probes are set as 40mm, and pull rate is set as 1mm/s, calculate as follows referring to formula: TS
=F/S, in formula: TS is tensile strength/MPa；Maximum pull/N when being broken for laboratory sample edible film；It can for laboratory sample
Cross-sectional area/m of feeding habits film2。
By edible film obtained in above-described embodiment in the present invention all respectively carry out grease transmitance, tensile strength,
Water solubility experiment, obtained specific experiment data are shown in Table 1.The properties test experiments result data of 1 edible film of table
(comparative experiments is not added with pueraria lobata alcohol soluble protein, pueraria lobata cellulose).
Table 1
| Experimental subjects | Tensile strength (MPa) | Grease transmitance | Dissolution time |
| Embodiment 1 | 479 | 0 | 25.56 |
| Embodiment 2 | 538 | 0 | 44.23 |
| Embodiment 3 | 657 | 0 | 46.73 |
| Comparative experiments | 127 | 0 | 50.26 |
It can be seen that the tensile strength of the edible film in embodiment 1,2,3 all compared with comparative test by the data in table 1
Wanting the dissolution time of edible film high, in embodiment 1,2,3 will all grow compared with comparative test, illustrate through the addition molten egg of pueraria lobata alcohol
Bletilla pueraria lobata fiber, can make the dissolubility of edible film and tensile strength be significantly improved.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. a kind of preparation method of the compound edible freshness-keeping thin coat containing pueraria lobata alcohol soluble protein, which is characterized in that the preparation method
It include: that pueraria lobata alcohol soluble protein, pueraria lobata cellulose, Chinese scholartree reality rubber powder, sterculia seed gluing element powder are dissolved in ethyl alcohol and 1,2- propylene glycol
In complex liquid, then ultrasonic degassing, obtains edible composite film liquid；By the edible composite film liquid carry out pour mask, drying and
Skinning obtains the compound edible freshness-keeping thin coat containing pueraria lobata alcohol soluble protein.
2. the preparation method of the compound edible freshness-keeping thin coat according to claim 1 containing pueraria lobata alcohol soluble protein, feature
It is, in the edible composite film liquid, the mass concentration of pueraria lobata alcohol soluble protein is 10-30%；The quality of pueraria lobata cellulose is dense
Degree is 20-35%.
3. the preparation method of the compound edible freshness-keeping thin coat according to claim 1 containing pueraria lobata alcohol soluble protein, feature
It is, in the edible composite film liquid, the mass concentration of Chinese scholartree reality rubber powder is 3-9%.
4. the preparation method of the compound edible freshness-keeping thin coat according to claim 1 containing pueraria lobata alcohol soluble protein, feature
It is, in the edible composite film liquid, the mass concentration of sterculia seed gluing element powder is 2-4%.
5. the preparation method of the compound edible freshness-keeping thin coat according to claim 1 containing pueraria lobata alcohol soluble protein, feature
It is, the preparation method of the ethyl alcohol and 1,2-PD complex liquid is to be by volume by ethanol water and 1,2-PD
2-5:3-6 is uniformly mixed, and the volumetric concentration of the ethanol water is 40-80%.
6. the preparation method of the compound edible freshness-keeping thin coat according to claim 1 containing pueraria lobata alcohol soluble protein, feature
It is, the pour mask is but to pour into the edible composite film liquid cooling in container afterwards, until the edible composite film liquid is equal
It is covered in whole container surface evenly.
7. the preparation method of the compound edible freshness-keeping thin coat according to claim 1 containing pueraria lobata alcohol soluble protein, feature
It is, the drying and skinning are that the membrane carrier for being coated with the edible composite film liquid is dried, multiple to the edibility
It closes after film liquid is fully cured and is removed from the membrane carrier.
8. the preparation method of the compound edible freshness-keeping thin coat according to claim 6 containing pueraria lobata alcohol soluble protein, feature
It is, the drying is natural air drying or dries in 40-70 DEG C of baking oven.
9. the preparation method of the compound edible freshness-keeping thin coat according to claim 1 containing pueraria lobata alcohol soluble protein, feature
Be, step (1) in, by the pueraria lobata alcohol soluble protein, pueraria lobata cellulose, Chinese scholartree reality rubber powder, sterculia seed gluing element powder in heating temperature
It is dissolved at 60-80 DEG C in ethyl alcohol and 1,2- propylene glycol complex liquid.
10. containing the compound edible of pueraria lobata alcohol soluble protein made from the preparation method as described in any one of claim 1-9
Property preservative film.
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| CN201811361621.7A CN109181007A (en) | 2018-11-15 | 2018-11-15 | A kind of compound edible freshness-keeping thin coat and preparation method containing pueraria lobata alcohol soluble protein |
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| CN201811361621.7A CN109181007A (en) | 2018-11-15 | 2018-11-15 | A kind of compound edible freshness-keeping thin coat and preparation method containing pueraria lobata alcohol soluble protein |
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Citations (5)
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|---|---|---|---|---|
| CN101580595A (en) * | 2009-06-18 | 2009-11-18 | 沈阳农业大学 | Method for preparing edible composite protein film |
| CN103834046A (en) * | 2014-02-27 | 2014-06-04 | 华南理工大学 | Method for preparing natural cellulose containing zein mixture by using alcoholic solvent |
| CN105111477A (en) * | 2015-09-29 | 2015-12-02 | 浙江工业大学 | Method for preparing antibacterial edible films |
| CN108559276A (en) * | 2018-02-28 | 2018-09-21 | 南京农业大学 | A kind of soluble dietary film and preparation method thereof of addition soybean fiber |
| CN108587189A (en) * | 2018-04-26 | 2018-09-28 | 武汉轻工大学 | Compound edible freshness-keeping thin coat of zeins/peach gum and its preparation method and application |
-
2018
- 2018-11-15 CN CN201811361621.7A patent/CN109181007A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580595A (en) * | 2009-06-18 | 2009-11-18 | 沈阳农业大学 | Method for preparing edible composite protein film |
| CN103834046A (en) * | 2014-02-27 | 2014-06-04 | 华南理工大学 | Method for preparing natural cellulose containing zein mixture by using alcoholic solvent |
| CN105111477A (en) * | 2015-09-29 | 2015-12-02 | 浙江工业大学 | Method for preparing antibacterial edible films |
| CN108559276A (en) * | 2018-02-28 | 2018-09-21 | 南京农业大学 | A kind of soluble dietary film and preparation method thereof of addition soybean fiber |
| CN108587189A (en) * | 2018-04-26 | 2018-09-28 | 武汉轻工大学 | Compound edible freshness-keeping thin coat of zeins/peach gum and its preparation method and application |
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