CN111944325A - Preparation method of degradable soybean dietary fiber straw - Google Patents
Preparation method of degradable soybean dietary fiber straw Download PDFInfo
- Publication number
- CN111944325A CN111944325A CN202010901936.7A CN202010901936A CN111944325A CN 111944325 A CN111944325 A CN 111944325A CN 202010901936 A CN202010901936 A CN 202010901936A CN 111944325 A CN111944325 A CN 111944325A
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- Prior art keywords
- dietary fiber
- soybean dietary
- degradable
- straw
- degradable soybean
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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
- C08L99/00—Compositions of natural macromolecular compounds or of derivatives thereof not provided for in groups C08L89/00 - C08L97/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
- C08L2205/025—Polymer 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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)
- Mechanical Engineering (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Beans For Foods Or Fodder (AREA)
Abstract
The invention discloses a preparation method of a degradable soybean dietary fiber straw, which takes bean dregs as raw materials, comprises the steps of crushing, mixing raw materials and auxiliary materials, extruding and slicing by a straw forming machine, can effectively relieve the problem of chronic harm of toxic substances such as bisphenol A and the like to human health in the traditional plastic straw while keeping the excellent flexibility, plasticity and water resistance of the straw, has simple preparation process, utilizes the bean dregs for the second time, reduces the product cost, is green, environment-friendly and degradable, and has great industrial application value.
Description
Technical Field
The invention relates to the field of beverage supplies, in particular to a preparation method of a degradable soybean dietary fiber straw.
Background
With the improvement of living standard and the acceleration of life rhythm of people, people rely on disposable materials and demand more and more, most straws on the market use PP or PE as raw materials, however, waste food plastic material garbage is difficult to treat and recycle, harmful gas is generated by burning, the waste food plastic material garbage is difficult to degrade, the white pollution is aggravated, and the environment is greatly influenced. Although degradable or edible straws appear in the market, the straws are not accepted by the public due to expensive materials, overhigh cost, rough eating and the like.
The novel material is a leading industry insurmountable in China, the invention can effectively solve and avoid the chronic harm of toxic substances such as bisphenol A and the like in a common plastic straw to human health while maintaining excellent flexibility, plasticity and waterproofness, and the bean dregs are secondarily utilized, so that the product cost is reduced, the environment-friendly degradable straw is environment-friendly, has a larger industrial application value, and responds to the environmental protection policies such as the national plastic restriction order.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the preparation method of the degradable soybean dietary fiber straw is provided, the straw prepared by the method has excellent flexibility, edibility and water resistance, the bean dregs are recycled, the product cost is reduced, the straw is green, environment-friendly and degradable, the sanitary requirements of food and beverage straws are met, and the straw has a great industrial application value.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a preparation method of a degradable soybean dietary fiber straw, which comprises the following steps:
(1): naturally drying the wet bean dregs or drying the wet bean dregs by using an air dryer;
(2): pulverizing bean dregs into powder with a superfine pulverizer, and sieving to obtain bean dregs powder;
(3): respectively pulverizing semen Maydis, semen Tritici Aestivi, and Manihot Utilissima into powder with superfine pulverizer, and sieving to obtain powder;
(4): mixing the powder obtained in the step (2) and the powder obtained in the step (3) in proportion to obtain a mixture A;
(5): adding sugar, edible pigment, antioxidant, waterproof agent, salt and curing agent into a high-speed mixer in proportion and mixing to obtain a mixture B;
(6): adding the mixture A obtained in the step (4) into a single-screw sucker extruder, adding the mixture B and water from a side feeding port of the single-screw sucker extruder, stirring, conveying to an extruder, extruding, bracing, cooling and slicing to obtain the degradable soybean dietary fiber sucker;
(7): putting the degradable soybean dietary fiber straw obtained in the step (6) into an air dryer or performing quality inspection after natural air drying, and removing unqualified degradable soybean dietary fiber straws;
(8): and placing the qualified degradable soybean dietary fiber straw into an ultraviolet sterilizer for sterilization, and packaging to obtain the degradable soybean dietary fiber straw.
Preferably, in the step (4), the using amount ratio of the bean dreg powder, the corn flour and the cassava flour is 60:15: 8.
Preferably, the dosage ratio of the sugar, the edible pigment, the antioxidant, the waterproof agent, the salt and the curing agent in the step (5) is 10:10:4:3:8: 2.
Further, the waterproof agent is one or more of rosin banana glue, chitosan, organic silica gel and stearic acid.
Further, the antioxidant is one or more of dihydroquine, didodecanol ester, dioctadecyl alcohol ester and diphenylamine.
Further, the curing agent is one or more of piperidine, diethylenetriamine and ethylenediamine.
Further, the edible pigment is one or more of radish red, lutein, monascus red, chlorophyll or curcumin.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is green, environment-friendly and degradable, the main raw material is the bean dregs, the bean dregs can be naturally degraded, and the white pollution can be effectively relieved.
2. The invention has safety, adopts food-grade raw materials as raw materials, adopts a physical method for processing, meets the sanitary requirement of the food and beverage straw, and is beneficial to human health.
3. The preparation method disclosed by the invention is simple in preparation process and low in cost, the bean dregs left in the bean curd preparation process are recycled, a new utilization direction is provided for the bean dregs, the problem that the existing plastic straw cannot be naturally degraded is solved, and the industrial application value is high.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment:
the invention provides a preparation method of a degradable soybean dietary fiber straw, which comprises the following steps:
(1) naturally drying the wet bean dregs or drying the wet bean dregs by using an air dryer;
(2) crushing the bean dregs into powder by using a superfine pulverizer, and sieving the powder by using a sieve of 200-250 meshes to obtain bean dreg powder;
(3) respectively grinding corn, wheat and cassava into powder by using an ultrafine grinder, and sieving the powder by using a sieve of 100-150 meshes to obtain powder;
(4) mixing the powder obtained in the step (2) and the powder obtained in the step (3) in proportion to obtain a mixture A, wherein the using ratio of the bean dregs powder, the corn powder and the cassava powder is 60:15: 8;
(5) adding sugar, edible pigment, antioxidant, waterproof agent, salt and curing agent into a high-speed mixer according to a certain proportion, and mixing to obtain a mixture B, wherein the dosage ratio of the sugar, the edible pigment, the antioxidant, the waterproof agent, the salt and the curing agent is 10:10:4:3:8:2, the mixing speed is 150-350 r/min, and the mixing time is 4-6 minutes;
(6) adding the mixture A obtained in the step (4) into a single-screw straw extruder, stirring the mixture B and water from a side feeding port of the single-screw straw extruder, conveying the mixture B to an extruder, extruding, bracing, cooling and slicing to obtain the degradable soybean dietary fiber straw, wherein the length-diameter ratio of the single-screw straw extruder is 20: 1; the effective length is 2 meters; the temperature of the charging barrel is 90-130 ℃; the temperature of the die head is 80-95 ℃; the temperature of the cooling water is 30-45 ℃;
(7) putting the degradable soybean dietary fiber straw obtained in the step (6) into an air dryer or performing quality inspection after natural air drying, and removing unqualified degradable soybean dietary fiber straws;
(8) and (3) placing the qualified degradable soybean dietary fiber straw into an ultraviolet sterilizer for sterilization for 9-11 hours, and packaging to obtain the degradable soybean dietary fiber straw.
Second embodiment:
the invention provides a preparation method of a degradable soybean dietary fiber straw, which comprises the following steps:
(1) naturally drying the wet bean dregs or drying the wet bean dregs by using an air dryer;
(2) crushing the bean dregs into powder by using an ultrafine grinder, and sieving the powder by using a 350-450 sieve to obtain bean dreg powder;
(3) respectively grinding corn, wheat and cassava into powder by using an ultrafine grinder, and sieving the powder by using a sieve of 200-350 meshes to obtain powder;
(4) mixing the powder obtained in the step (2) and the powder obtained in the step (3) in proportion to obtain a mixture A, wherein the using ratio of the bean dregs powder, the corn powder and the cassava powder is 65:10: 8;
(5) adding sugar, edible pigment, antioxidant, waterproof agent, salt and curing agent into a high-speed mixer according to a certain proportion, and mixing to obtain a mixture B, wherein the dosage ratio of the sugar, the edible pigment, the antioxidant, the waterproof agent, the salt and the curing agent is 10:10:4:3:8:2, the mixing speed is 150-350 r/min, and the mixing time is 8-10 min;
(6) adding the mixture A obtained in the step (4) into a single-screw straw extruder, stirring the mixture B and water from a side feeding port of the single-screw straw extruder, conveying the mixture B to an extruder, extruding, bracing, cooling and slicing to obtain the degradable soybean dietary fiber straw, wherein the length-diameter ratio of the single-screw straw extruder is 20: 1; the effective length is 2 meters; the temperature of the charging barrel is 90-130 ℃; the temperature of the die head is 80-95 ℃; the temperature of the cooling water is 30-45 ℃;
(7) putting the degradable soybean dietary fiber straw obtained in the step (6) into an air dryer or performing quality inspection after natural air drying, and removing unqualified degradable soybean dietary fiber straws;
(8) and (3) placing the qualified degradable soybean dietary fiber straw into an ultraviolet sterilizer for sterilization for 9-11 hours, and packaging to obtain the degradable soybean dietary fiber straw.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (7)
1. A preparation method of a straw capable of degrading soybean dietary fiber is characterized by comprising the following steps: the method comprises the following steps:
(1): naturally drying the wet bean dregs or drying the wet bean dregs by using an air dryer;
(2): pulverizing bean dregs into powder with a superfine pulverizer, and sieving to obtain bean dregs powder;
(3): respectively pulverizing semen Maydis, semen Tritici Aestivi, and Manihot Utilissima into powder with superfine pulverizer, and sieving to obtain powder;
(4): mixing the powder obtained in the step (2) and the powder obtained in the step (3) in proportion to obtain a mixture A;
(5): adding sugar, edible pigment, antioxidant, waterproof agent, salt and curing agent into a high-speed mixer in proportion and mixing to obtain a mixture B;
(6): adding the mixture A obtained in the step (4) into a single-screw sucker extruder, adding the mixture B and water from a side feeding port of the single-screw sucker extruder, stirring, conveying to an extruder, extruding, bracing, cooling and slicing to obtain the degradable soybean dietary fiber sucker;
(7): putting the degradable soybean dietary fiber straw obtained in the step (6) into an air dryer or performing quality inspection after natural air drying, and removing unqualified degradable soybean dietary fiber straws;
(8): and placing the qualified degradable soybean dietary fiber straw into an ultraviolet sterilizer for sterilization, and packaging to obtain the degradable soybean dietary fiber straw.
2. The method for preparing the degradable soybean dietary fiber straw according to claim 1, wherein the degradable soybean dietary fiber straw comprises the following steps: in the step (4), the using amount ratio of the bean dreg powder, the corn flour and the cassava flour is 60:15: 8.
3. The method for preparing the degradable soybean dietary fiber straw according to claim 1, wherein the degradable soybean dietary fiber straw comprises the following steps: in the step (5), the dosage ratio of the sugar, the edible pigment, the antioxidant, the waterproof agent, the salt and the curing agent is 10:10:4:3:8: 2.
4. The preparation method of the degradable soybean dietary fiber straw according to claim 3, wherein the degradable soybean dietary fiber straw comprises the following steps: the waterproof agent is one or more of rosin banana glue, chitosan, organic silica gel and stearic acid.
5. The preparation method of the degradable soybean dietary fiber straw according to claim 3, wherein the degradable soybean dietary fiber straw comprises the following steps: the antioxidant is one or more of dihydroquine, didodecanol ester, dioctadecyl alcohol ester and diphenylamine.
6. The preparation method of the degradable soybean dietary fiber straw according to claim 3, wherein the degradable soybean dietary fiber straw comprises the following steps: the curing agent is one or more of piperidine, diethylenetriamine and ethylenediamine.
7. The preparation method of the degradable soybean dietary fiber straw according to claim 3, wherein the degradable soybean dietary fiber straw comprises the following steps: the edible pigment is one or more of radish red, lutein, monascus red, chlorophyll or curcumin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010901936.7A CN111944325A (en) | 2020-09-01 | 2020-09-01 | Preparation method of degradable soybean dietary fiber straw |
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| CN202010901936.7A CN111944325A (en) | 2020-09-01 | 2020-09-01 | Preparation method of degradable soybean dietary fiber straw |
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| CN111944325A true CN111944325A (en) | 2020-11-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112876746A (en) * | 2021-01-26 | 2021-06-01 | 沈阳化工大学 | Preparation method of degradable food and beverage straw |
| CN113134958A (en) * | 2021-04-23 | 2021-07-20 | 山东小麦歌环保科技有限公司 | Straw production process |
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Application publication date: 20201117 |
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