CN107099081A - A kind of colored packaging film of food - Google Patents

A kind of colored packaging film of food Download PDF

Info

Publication number
CN107099081A
CN107099081A CN201710265745.4A CN201710265745A CN107099081A CN 107099081 A CN107099081 A CN 107099081A CN 201710265745 A CN201710265745 A CN 201710265745A CN 107099081 A CN107099081 A CN 107099081A
Authority
CN
China
Prior art keywords
parts
food
packaging film
film
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710265745.4A
Other languages
Chinese (zh)
Inventor
武道贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI CHAOHU SOUTH MEMBRANE INDUSTRY Co Ltd
Original Assignee
ANHUI CHAOHU SOUTH MEMBRANE INDUSTRY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ANHUI CHAOHU SOUTH MEMBRANE INDUSTRY Co Ltd filed Critical ANHUI CHAOHU SOUTH MEMBRANE INDUSTRY Co Ltd
Priority to CN201710265745.4A priority Critical patent/CN107099081A/en
Publication of CN107099081A publication Critical patent/CN107099081A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2405/00Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • C08J2405/08Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04Homopolymers or copolymers of ethene
    • C08J2423/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2296Oxides; Hydroxides of metals of zinc
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/064VLDPE
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/066LDPE (radical process)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Wrappers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of colored packaging film of food, it is related to packaging for foodstuff technical field of membrane, its composition includes:60 100 parts of low density polyethylene (LDPE), 50 120 parts of ultra-low density polyethylene, 50 150 parts of carboxymethyl chitosan, 15 30 parts of palm oil, 15 30 parts of rice bran wax, 2 10 parts of stearic acid sodium lactate, 2 10 parts of lauric monoglyceride, 5 60 parts of food coloring, 2 10 parts of nano zine oxide, 5 20 parts of polyethylene glycol, 2 10 parts of bentonite, 2 10 parts of gelatin, 2 20 parts of ethanol, 10 100 parts of deionized water.Its preparation method is simply, conveniently;The food package film has antibacterial action, effectively prevents foodstuff rotten and microbiological contamination;Different color packaging film can be produced simultaneously, available for various packagings for foodstuff, beautiful appearance, and packaging film safety non-toxic are packed, without worrying food additives problem;Packaging film flexible, is difficult tear breakage, with good market application foreground.

Description

A kind of colored packaging film of food
Technical field:
The present invention relates to food package film preparing technical field, and in particular to a kind of colored packaging film of food and its preparation side Method.
Background technology:
Food product packing film is, for being wrapped in food surface, mainly to decompose microbial bacterial and extraneous contamination to isolate The entrance of thing, prevents and extends the high polymer material of food spoilage.Antibacterial film packaging is most beneficial, its energy for food Constantly suppress the growth of microorganism by antiseptic, it is ensured that the safety of food, extend the shelf life of food.While fine work bag Dress also acts as the effect of decoration aesthetic appeal, and attractive in appearance be packaged on the basis of food palatant more attracts consumer, not only can be with Demand of the people to food palatant is met, the life of people can also be beautified, allows consumer to enjoy higher quality of the life.With this Promote the sale of food, more economic interests are brought to businessman.Especially for infant foods, cake food etc..
The content of the invention:
The technical problems to be solved by the invention are that providing one kind has high-efficiency pollution-proof dye, and colored and nontoxic, raw material is easy , the colored packaging film of the simple food of preparation method.
The technical problems to be solved by the invention are realized using following technical scheme:
A kind of colored packaging film of food, includes the raw material of following number:
60-100 parts of low density polyethylene (LDPE), 50-120 parts of ultra-low density polyethylene, 50-150 parts of carboxymethyl chitosan, palm Oily 15-30 parts, 15-30 parts of rice bran wax, 2-10 parts of stearic acid sodium lactate, 2-10 parts of lauric monoglyceride, food coloring 5-60 Part, 2-10 parts of nano zine oxide, 5-20 parts of polyethylene glycol, 2-10 parts of bentonite, 2-10 parts of gelatin, 2-20 parts of ethanol, deionization 10-100 parts of water.
It is preferred that, its preparation method is as follows:
(1) carboxymethyl chitosan is added in 5 times of water, being stored at room temperature 8-24h is swelled it, rear 200-1000rpm/ Min is stirred, and obtains being uniformly dissolved carboxymethyl chitosan solution;
(2) palm oil, rice bran wax, stearic acid sodium lactate, the moon are added under stirring into the carboxymethyl chitosan solution of preparation Cinnamic acid monoglyceride, bentonite, ethanol be warming up to 30-50 DEG C stirring 15-60min, add acid or alkaloid substance adjust pH value to 6-7, then 100-500rpm/min 50-60 DEG C insulated and stirred 20-40min, it is rear to stand room temperature cooling, obtain mixed solution;
(3) added into high-speed mixer step 2 mixed solution, low density polyethylene (LDPE), ultra-low density polyethylene, gelatin, Nano zine oxide, polyethylene glycol, food coloring and remaining deionized water, 1000-3000rpm/min stir, are sufficiently stirred for It is well mixed, film liquid is obtained into;
(4) acid or alkali thing will be added into film liquid 2000-5000rpm/min homogeneous scattered 10-20min again before film forming Matter adjusts pH value to 5-7, then 1000-5000rpm/min 20-40 DEG C insulated and stirred 20-40min, rear to stand room temperature cooling, after It will be mixed into after film liquid adds banbury, banbury 10-30min and be transferred in extruder, it is thin in melting extrusion at 150-200 DEG C Film, most afterwards through naturally cooling to room temperature.
It is preferred that, the natural food colour:It is natural food colour, such as shellac color, carthamin yellow, beet red, peppery Green pepper red pigment, red yeast rice, turmeric, bata-carotene, copper chlorophyllin sodium salt, dark reddish brown etc..
It is preferred that, the acid or alkaline matter:Acid substance is dilute hydrochloric acid solution, acetum, carbon acid solution
In one or more;Alkaline matter is one kind in sodium carbonate, sodium acid carbonate or sodium hydroxide
Or more than one.
The beneficial effects of the invention are as follows:Food package film prepared by the present invention has antibacterial action, effectively prevents food from becoming Matter and microbiological contamination;Packaging film has different color simultaneously, available for various packagings for foodstuff, and packaging beautiful appearance can promote commodity pin Sell, and packaging film safety non-toxic, without worrying food additives problem;Packaging film flexible, is difficult tear damaged.
Embodiment:
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1:
80 parts of low density polyethylene (LDPE), 60 parts of ultra-low density polyethylene, 50 parts of carboxymethyl chitosan, 25 parts of palm oil, rice bran 15 parts of wax, 5 parts of stearic acid sodium lactate, 5 parts of lauric monoglyceride, 20 parts of carthamin yellow, 6 parts of nano zine oxide, poly- second two 6 parts of alcohol, 8 parts of bentonite, 6 parts of gelatin, 10 parts of ethanol, 30 parts of deionized water.
Packaging film preparation is carried out according to above-mentioned formula, comprised the following steps that:
It is preferred that, its preparation method is as follows:
(1) carboxymethyl chitosan is added in 5 times of water, being stored at room temperature 8h is swelled it, rear 400rpm/min stirrings are obtained To being uniformly dissolved carboxymethyl chitosan solution;
(2) palm oil, rice bran wax, stearic acid sodium lactate, the moon are added under stirring into the carboxymethyl chitosan solution of preparation Cinnamic acid monoglyceride, bentonite, ethanol are warming up to 30 DEG C of stirring 30min, add acid or alkaloid substance adjusts pH value to 7, then 50 DEG C of insulated and stirred 40min of 500rpm/min, it is rear to stand room temperature cooling, obtain mixed solution;
(3) added into high-speed mixer step 2 mixed solution, low density polyethylene (LDPE), ultra-low density polyethylene, gelatin, Nano zine oxide, polyethylene glycol, carthamin yellow and remaining deionized water, 1000rpm/min stir, are sufficiently stirred for making it It is well mixed, obtain into film liquid;
(4) acid or alkaloid substance regulation PH will be added into film liquid 2000rpm/min homogeneous scattered 10min again before film forming Value is rear to stand room temperature cooling to 6, then 20 DEG C of insulated and stirred 20min of 1000rpm/min, after will be mixed into film liquid and add banburying It is transferred to after machine, banbury 20min in extruder, in melt-extruded film at 150 DEG C, most afterwards through naturally cooling to room temperature.
It is preferred that, the acidic materials are dilute hydrochloric acid solution and acetum.
It is preferred that, the alkaline matter is sodium carbonate liquor and sodium bicarbonate solution.
Embodiment 2:
80 parts of low density polyethylene (LDPE), 80 parts of ultra-low density polyethylene, 60 parts of carboxymethyl chitosan, 25 parts of palm oil, rice bran 20 parts of wax, 6 parts of stearic acid sodium lactate, 6 parts of lauric monoglyceride, 20 parts of capsorubin, 8 parts of nano zine oxide, polyethylene glycol 6 Part, 8 parts of bentonite, 8 parts of gelatin, 10 parts of ethanol, 40 parts of deionized water.
Packaging film preparation is carried out according to above-mentioned formula, comprised the following steps that:
It is preferred that, its preparation method is as follows:
(1) carboxymethyl chitosan is added in 5 times of water, being stored at room temperature 8h is swelled it, rear 1000rpm/min stirrings, Obtain being uniformly dissolved carboxymethyl chitosan solution;
(2) palm oil, rice bran wax, stearic acid sodium lactate, the moon are added under stirring into the carboxymethyl chitosan solution of preparation Cinnamic acid monoglyceride, bentonite, ethanol are warming up to 30 DEG C of stirring 30min, add acid or alkaloid substance adjusts pH value to 7, then 50 DEG C of insulated and stirred 40min of 500rpm/min, it is rear to stand room temperature cooling, obtain mixed solution;
(3) added into high-speed mixer step 2 mixed solution, low density polyethylene (LDPE), ultra-low density polyethylene, gelatin, Nano zine oxide, polyethylene glycol, capsorubin and remaining deionized water, 1000rpm/min stir, and are sufficiently stirred for mixing it Close uniform, obtain into film liquid;
(4) acid or alkaloid substance regulation PH will be added into film liquid 2000rpm/min homogeneous scattered 20min again before film forming Value is rear to stand room temperature cooling to 7, then 25 DEG C of insulated and stirred 25min of 1000rpm/min, after will be mixed into film liquid and add banburying It is transferred to after machine, banbury 20min in extruder, in melt-extruded film at 200 DEG C, most afterwards through naturally cooling to room temperature.
It is preferred that, the acidic materials are dilute hydrochloric acid solution and acetum;
It is preferred that, the alkaline matter is sodium carbonate liquor and sodium bicarbonate solution;
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (4)

1. a kind of colored packaging film of food, it is characterised in that:Include the raw material of following number:
60-100 parts of low density polyethylene (LDPE), 50-120 parts of ultra-low density polyethylene, 50-150 parts of carboxymethyl chitosan, palm oil 15-30 parts, 15-30 parts of rice bran wax, 2-10 parts of stearic acid sodium lactate, 2-10 parts of lauric monoglyceride, 5-60 parts of food coloring, 2-10 parts of nano zine oxide, 5-20 parts of polyethylene glycol, 2-10 parts of bentonite, 2-10 parts of gelatin, 2-20 parts of ethanol, deionized water 10-100 parts.
2. the colored packaging film of food according to claim 1, it is characterised in that:Preparation method is as follows:
(1) carboxymethyl chitosan is added in 5 times of water, being stored at room temperature 8-24h is swelled it, rear 200-1000rpm/min is stirred Mix, obtain being uniformly dissolved carboxymethyl chitosan solution;
(2) palm oil, rice bran wax, stearic acid sodium lactate, laurate are added under stirring into the carboxymethyl chitosan solution of preparation Monoglyceride, bentonite, ethanol are warming up to 30-50 DEG C of stirring 15-60min, add acid or alkaloid substance adjusts pH value to 6-7, 100-500rpm/min 50-60 DEG C insulated and stirreds 20-40min, rear to stand room temperature cooling again, obtains mixed solution;
(3) step 2 mixed solution, low density polyethylene (LDPE), ultra-low density polyethylene, gelatin, nanometer are added into high-speed mixer Zinc oxide, polyethylene glycol, food coloring and remaining deionized water, 1000-3000rpm/min stir, are sufficiently stirred for making it It is well mixed, obtain into film liquid;
(4) it will be added acid into film liquid 2000-5000rpm/min homogeneous scattered 10-20min again or alkaloid substance adjusted before film forming PH value is saved to 5-7, then 1000-5000rpm/min 20-40 DEG C insulated and stirred 20-40min, it is rear to stand room temperature cooling, after will be mixed It is even to add banbury into film liquid, it is transferred in extruder after banbury 10-30min, in melt-extruded film at 150-200 DEG C, most By naturally cooling to room temperature.
3. the colored packaging film of food according to claim 2, it is characterised in that:The pigment is natural food colour.
4. the colored packaging film of food according to claim 3, it is characterised in that:The acid or alkaline matter:Acid substance is One or more in dilute hydrochloric acid solution, acetum, carbon acid solution;Alkaline matter is sodium carbonate, sodium acid carbonate or hydrogen One or more in sodium oxide molybdena.
CN201710265745.4A 2017-04-21 2017-04-21 A kind of colored packaging film of food Withdrawn CN107099081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710265745.4A CN107099081A (en) 2017-04-21 2017-04-21 A kind of colored packaging film of food

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710265745.4A CN107099081A (en) 2017-04-21 2017-04-21 A kind of colored packaging film of food

Publications (1)

Publication Number Publication Date
CN107099081A true CN107099081A (en) 2017-08-29

Family

ID=59657788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710265745.4A Withdrawn CN107099081A (en) 2017-04-21 2017-04-21 A kind of colored packaging film of food

Country Status (1)

Country Link
CN (1) CN107099081A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109181075A (en) * 2018-09-18 2019-01-11 福建凯达集团有限公司 Food package film and preparation method thereof, packaging pouch for microwave oven made from it
CN113183568A (en) * 2021-04-27 2021-07-30 无锡君瑞新材料科技有限公司 Adhesive-free high-viscosity door plate protective film and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105885165A (en) * 2016-04-29 2016-08-24 安徽巢湖南方膜业有限责任公司 Environmentally-friendly shopping paper bag water-proof outer film

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105885165A (en) * 2016-04-29 2016-08-24 安徽巢湖南方膜业有限责任公司 Environmentally-friendly shopping paper bag water-proof outer film

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109181075A (en) * 2018-09-18 2019-01-11 福建凯达集团有限公司 Food package film and preparation method thereof, packaging pouch for microwave oven made from it
CN113183568A (en) * 2021-04-27 2021-07-30 无锡君瑞新材料科技有限公司 Adhesive-free high-viscosity door plate protective film and preparation method thereof

Similar Documents

Publication Publication Date Title
US4401700A (en) Composition for decorative grass
US4549908A (en) Composition for decorative grass
EP3601061B1 (en) Method of encapsulating liquid products
CN102933098B (en) The method for preventing carotenoid pigment to be attached to container
US4496614A (en) Composition for decorative grass
PL193396B1 (en) Water-dispersible compositions containing hydrophilic water-insoluble natural pigments, ,ethods of obtaining such compositions and their application
CN101525459A (en) Plasticine with rainbow colors and manufacture method thereof
CN107099081A (en) A kind of colored packaging film of food
CN102987296A (en) Preparation method of purple sweet potato whole wheat flour and noodle prepared by utilizing purple sweet potato whole wheat flour
CN107973962A (en) A kind of PE preservative films and preparation method thereof
CN109400968A (en) A kind of edible polysaccharide antimicrobial compound film and preparation method thereof
CN104558750A (en) High-performance nano preservative film
JP2021508482A (en) Lycopene colorant with freshness maintenance function, its manufacturing method and use
CN102206362B (en) Instant noodle flavoring package coating and preparation method thereof
CN102485812B (en) Medicinal printing ink and preparation process thereof
CN106947267A (en) A kind of meat-eating race antibiotic property packaging film
CN111349362A (en) Tea prepared Chinese ink and preparation method thereof
JP5977060B2 (en) Folic acid product
JP2002105369A (en) Ink for ink jet and egg forming image on surface of egg shell by using the same
CN103734562A (en) Food additive and preparation method thereof
WO2015052182A1 (en) Beta-carotene formulation and use thereof in coloring edible products
CN106947145A (en) A kind of ice cream class packaging film
JPH0799926A (en) Aqueous liquid food product containing concentrated phaffia coloring matter oil
CN104509579A (en) Green food held in container
CN106928528A (en) A kind of dairy products packaging film

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20170829

WW01 Invention patent application withdrawn after publication