CN104610757A - Degradable cereal prolamin-chitosan composite packaging film for fruits and vegetables - Google Patents
Degradable cereal prolamin-chitosan composite packaging film for fruits and vegetables Download PDFInfo
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Abstract
The invention discloses a degradable cereal prolamin-chitosan composite packaging film for fruits and vegetables and relates to the technical field of packaging films for the fruits and the vegetables. The packaging film is prepared from raw materials in parts by mass as follows: 90-100 parts of cereal prolamin, 60-70 parts of carboxymethyl chitosan, 20-25 parts of cloves, 20-25 parts of propolis, 18-20 parts of sodium alginate, 15-20 parts of polyvinyl alcohol, 16-18 parts of nano calcium carbonate, 15-18 parts of epoxidized soybean oil, 12-15 parts of fumed silica, 10-12 parts of zinc sulfide, 10-12 parts of konjac glucomannan, 8-10 parts of low-methoxyl pectin, 8-10 parts of curdlan, 6-9 parts of soy isoflavone, 5-8 parts of genipin, 3-6 parts of polyglycerol fatty acid ester and 800-1000 parts of water. The cereal prolamin and the chitosan are used as main raw materials, and various aids are used as auxiliary materials, so that the produced packaging film has higher physical and mechanical properties, selective permeability and antibacterial and anti-oxidation effects; besides, the selected raw materials can be degraded easily, so that the ecological environment is protected.
Description
Technical field:
The present invention relates to vegetable and fruit packaging technical field of membrane, be specifically related to a kind of degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film.
Background technology:
Plastic film packaging is wrapping material most widely used on current fresh fruit and Vegetable produce.It has the transparency, can be clear that the situation of packaging product; It has moisture retention, can reduce the moisture loss of product, increases freshness; It has ventilation property, can play spontaneous controlled atmosphere effect, and extend fresh keeping time, it has stopping property, and product can be protected not contaminated.
At present, it is matrix that domestic used vegetable and fruit packaging film is generally the polymkeric substance such as polyethylene, polypropylene, polyvinyl chloride, by adding the mixing films made such as some softening agent, mineral filler, antiseptic-germicide.On the one hand, these packing films also exist the shortcoming of difficult degradation or degraded required time length, easily cause white pollution, affect environment; On the other hand, the ventilation property of these packing films is bad, if the oxygen concentration in packing film is too low or gas concentration lwevel is too high, fruit will produce anaerobic respiration, cause the volatile matter such as ethanol, acetaldehyde to accumulate, produce peculiar smell and differently to smell, reduce the flavor quality of fruit.
Summary of the invention:
Technical problem to be solved by this invention is to provide that a kind of preparation method is simple, the degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film of good refreshing effect.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film, be made up of the raw material of following mass fraction:
Cereal gliadin 90-100 part, cm-chitosan 60-70 part, cloves 20-25 part, propolis 20-25 part, sodium alginate 18-20 part, polyvinyl alcohol 15-20 part, nano-calcium carbonate 16-18 part, epoxy soybean oil 15-18 part, aerosil 12-15 part, zinc sulphide 10-12 part, Rhizoma amorphophalli glucomannan 10-12 part, low-methoxy pectin 8-10 part, condensation polysaccharide 8-10 part, soybean isoflavones 6-9 part, genipin 5-8 part, polyglycerol fatty acid ester 3-6 part, water 800-1000 part.
Described cereal gliadin is selected from the one in zein, wheat gliadin, hordein, secalin or kafirin.
The particle diameter of described nano-calcium carbonate is 30-50nm.
A preparation method for degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film, comprises the steps:
(1) cloves of drying after cleaning and propolis are joined in ultrasonic extraction tank, the volumetric concentration adding 5 times of weight is again the ethanol of 85%-95%, through three supersound extraction, gained filtrate decompression Distillation recovery ethanol is 55%-60% to concentration, after leaving standstill 12h, filtering precipitates, and obtains cloves and propolis extract;
(2) in cereal gliadin, adding volume fraction under stirring is 80%-90% ethanol, fully dissolves completely and obtains cereal gliadin solution;
(3) in water, cm-chitosan and sodium alginate is added under stirring, polyvinyl alcohol, nano-calcium carbonate, aerosil and zinc sulphide is added after abundant dissolving completely, mixture 50 DEG C, process 5-10min under 500W ultrasonic power, then centrifugal 10-15min under 2000r/min, obtains mixing solutions;
(4) in mixing solutions, Rhizoma amorphophalli glucomannan, low-methoxy pectin and condensation polysaccharide is added under stirring, cereal gliadin solution, epoxy soybean oil, soybean isoflavones, genipin and polyglycerol fatty acid ester is added after being uniformly dispersed, mixture is warming up to 90-100 DEG C of reaction 45-60min, reaction terminates the cooling of rear Slow cooling, cloves and propolis extract is added after temperature is down to room temperature, fully mix, finally filter and obtain film forming liquid;
(5) first by film forming liquid in 3500-4000rpm/min homogenous disperse 10-15min, then be coated on base material by film forming liquid, then dry 12-15h at 40-45 DEG C, takes off film after drying, and being kept at ambient moisture is in the encloses container of 55-60%.
The working temperature of described ultrasonic extraction tank is room temperature, and operating frequency is 40KW, and each extraction time is 30-45min.
The invention has the beneficial effects as follows: the present invention for main raw material with cereal gliadin and chitosan, is aided with various auxiliary agent, makes the packing film obtained have stronger physical and mechanical properties, selective penetrated property and antibacterial, antioxygenation; And selected raw material is easily degraded, thus avoids white pollution, preserves the ecological environment.
Embodiment:
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
A kind of degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film, be made up of the raw material of following mass fraction:
Zein 90 parts, cm-chitosan 65 parts, cloves 20 parts, propolis 25 parts, sodium alginate 18 parts, polyvinyl alcohol 15 parts, nano-calcium carbonate 18 parts, epoxy soybean oil 15 parts, aerosil 12 parts, 11 parts, zinc sulphide, Rhizoma amorphophalli glucomannan 10 parts, low-methoxy pectin 9 parts, condensation polysaccharide 8 parts, soybean isoflavones 7 parts, genipin 6 parts, polyglycerol fatty acid ester 5 parts, 800 parts, water.
Wherein, the particle diameter of nano-calcium carbonate is 30-50nm.
Carry out the preparation of degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film according to above-mentioned formula, concrete steps are as follows:
(1) cloves of drying after cleaning and propolis are joined in ultrasonic extraction tank, the volumetric concentration adding 5 times of weight is again the ethanol of 85%-95%, through three supersound extraction, gained filtrate decompression Distillation recovery ethanol is 55%-60% to concentration, after leaving standstill 12h, filtering precipitates, and obtains cloves and propolis extract;
(2) in cereal gliadin, adding volume fraction under stirring is 80%-90% ethanol, fully dissolves completely and obtains cereal gliadin solution;
(3) in water, cm-chitosan and sodium alginate is added under stirring, polyvinyl alcohol, nano-calcium carbonate, aerosil and zinc sulphide is added after abundant dissolving completely, mixture 50 DEG C, process 5-10min under 500W ultrasonic power, then centrifugal 10-15min under 2000r/min, obtains mixing solutions;
(4) in mixing solutions, Rhizoma amorphophalli glucomannan, low-methoxy pectin and condensation polysaccharide is added under stirring, cereal gliadin solution, epoxy soybean oil, soybean isoflavones, genipin and polyglycerol fatty acid ester is added after being uniformly dispersed, mixture is warming up to 90-100 DEG C of reaction 45-60min, reaction terminates the cooling of rear Slow cooling, cloves and propolis extract is added after temperature is down to room temperature, fully mix, finally filter and obtain film forming liquid;
(5) by film forming liquid in 3500-4000rpm/min homogenous disperse 10-15min, then be coated on base material by film forming liquid, then dry 12-15h at 40-45 DEG C, takes off film after drying, and being kept at ambient moisture is in the encloses container of 55-60%.
Wherein the working temperature of ultrasonic extraction tank is room temperature, and operating frequency is 40KW, and each extraction time is 40min.
Embodiment 2
A kind of degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film, be made up of the raw material of following mass fraction:
Wheat gliadin 95 parts, cm-chitosan 65 parts, cloves 22 parts, propolis 20 parts, sodium alginate 18 parts, polyvinyl alcohol 15 parts, nano-calcium carbonate 16 parts, epoxy soybean oil 15 parts, aerosil 13 parts, 11 parts, zinc sulphide, Rhizoma amorphophalli glucomannan 10 parts, low-methoxy pectin 9 parts, condensation polysaccharide 8 parts, soybean isoflavones 7 parts, genipin 6 parts, polyglycerol fatty acid ester 5 parts, 900 parts, water.
Described in the present embodiment, the preparation method of plyability vegetable and fruit packaging film is with embodiment 1.
Embodiment 3
A kind of degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film, be made up of the raw material of following mass fraction:
Kafirin 100 parts, cm-chitosan 70 parts, cloves 25 parts, propolis 20 parts, sodium alginate 18, polyvinyl alcohol 16 parts, nano-calcium carbonate 16 parts, epoxy soybean oil 15 parts, aerosil 13 parts, 11 parts, zinc sulphide, Rhizoma amorphophalli glucomannan 10 parts, low-methoxy pectin 9 parts, condensation polysaccharide 8 parts, soybean isoflavones 7 parts, genipin 6 parts, polyglycerol fatty acid ester 5 parts, 1000 parts, water.
Described in the present embodiment, the preparation method of plyability vegetable and fruit packaging film is with embodiment 1.
The cereal gliadin prepared by embodiment 1-3-chitosan plyability vegetable and fruit packaging film and common vegetable and fruit packaging film carry out following performance test, and result is as shown in table 1.
1) tensile strength, fault growth rate, by GB/T 13022-1991 method;
2) transmittance, by GB/T 2410-2008 method;
3) rate of perviousness, by GB/T 16928-1997 method;
4) ventilation property, by GB/T 1038-2000 method;
5) nerve: packaged by film tray, is put in 8h in 3-5 DEG C of refrigerator, and observe tray surface film degree of tightness situation, surface is tight, level and smooth is excellent, stretches tight tight, has a small amount of ripple to be general.
The performance measurement result of table 1 vegetable and fruit packaging film of the present invention
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Common vegetable and fruit packaging film |
| Tensile strength (MPa) | 31 | 36 | 34 | 11 |
| Elongation at break (%) | 166 | 187 | 201 | 125 |
| Transmittance (%) | 92 | 94 | 93 | 89 |
| Rate of perviousness (g/m 2·24h) | 7.8 | 8.2 | 7.5 | 16 |
| O 2Transmitance (cm 3/m 2·24h) | 18 | 21 | 16 | 45 |
| CO 2Transmitance (cm 3/m 2·24h) | 12 | 14 | 10 | 26 |
| Nerve | Excellent | Excellent | Excellent | Generally |
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film, is characterized in that, be made up of the raw material of following mass fraction:
Cereal gliadin 90-100 part, cm-chitosan 60-70 part, cloves 20-25 part, propolis 20-25 part, sodium alginate 18-20 part, polyvinyl alcohol 15-20 part, nano-calcium carbonate 16-18 part, epoxy soybean oil 15-18 part, aerosil 12-15 part, zinc sulphide 10-12 part, Rhizoma amorphophalli glucomannan 10-12 part, low-methoxy pectin 8-10 part, condensation polysaccharide 8-10 part, soybean isoflavones 6-9 part, genipin 5-8 part, polyglycerol fatty acid ester 3-6 part, water 800-1000 part.
2. the degradable cereal gliadin of one according to claim 1-chitosan plyability vegetable and fruit packaging film, is characterized in that: described cereal gliadin is selected from the one in zein, wheat gliadin, hordein, secalin or kafirin.
3. the degradable cereal gliadin of one according to claim 1-chitosan plyability vegetable and fruit packaging film, is characterized in that: the particle diameter of described nano-calcium carbonate is 30-50nm.
4. a preparation method for degradable cereal gliadin-chitosan plyability vegetable and fruit packaging film, is characterized in that, comprise the steps:
(1) cloves of drying after cleaning and propolis are joined in ultrasonic extraction tank, the volumetric concentration adding 5 times of weight is again the ethanol of 85%-95%, through three supersound extraction, gained filtrate decompression Distillation recovery ethanol is 55%-60% to concentration, after leaving standstill 12h, filtering precipitates, and obtains cloves and propolis extract;
(2) in cereal gliadin, adding volume fraction under stirring is 80%-90% ethanol, fully dissolves completely and obtains cereal gliadin solution;
(3) in water, cm-chitosan and sodium alginate is added under stirring, polyvinyl alcohol, nano-calcium carbonate, aerosil and zinc sulphide is added after abundant dissolving completely, mixture 50 DEG C, process 5-10min under 500W ultrasonic power, then centrifugal 10-15min under 2000r/min, obtains mixing solutions;
(4) in mixing solutions, Rhizoma amorphophalli glucomannan, low-methoxy pectin and condensation polysaccharide is added under stirring, cereal gliadin solution, epoxy soybean oil, soybean isoflavones, genipin and polyglycerol fatty acid ester is added after being uniformly dispersed, mixture is warming up to 90-100 DEG C of reaction 45-60min, reaction terminates the cooling of rear Slow cooling, cloves and propolis extract is added after temperature is down to room temperature, fully mix, finally filter and obtain film forming liquid;
(5) first by film forming liquid in 3500-4000rpm/min homogenous disperse 10-15min, then be coated on base material by film forming liquid, then dry 12-15h at 40-45 DEG C, takes off film after drying, and being kept at ambient moisture is in the encloses container of 55-60%.
5. the preparation method of a kind of degradable cereal gliadin according to claim 4-chitosan plyability vegetable and fruit packaging film, it is characterized in that: the working temperature of described ultrasonic extraction tank is room temperature, operating frequency is 40KW, and each extraction time is 30-45min.
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Cited By (13)
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| CN105802249A (en) * | 2016-03-30 | 2016-07-27 | 泰兴市东圣食品科技有限公司 | Edible protein/polysaccharide composite membrane and preparation method and application thereof |
| CN106700361A (en) * | 2016-12-14 | 2017-05-24 | 陈强 | Medical stone toughened polyvinyl alcohol film for preservation of fruits and vegetables and preparation method of polyvinyl alcohol film |
| CN106751270A (en) * | 2016-12-14 | 2017-05-31 | 陈强 | A kind of tear-resistant polyvinyl alcohol preserving fruit and vegetable utilizing film and preparation method thereof |
| CN106867038A (en) * | 2017-01-18 | 2017-06-20 | 湖北工业大学 | A kind of anti-bacterial packaging film and preparation method thereof |
| CN106947267A (en) * | 2017-04-21 | 2017-07-14 | 安徽巢湖南方膜业有限责任公司 | A kind of meat-eating race antibiotic property packaging film |
| CN107587385A (en) * | 2017-08-21 | 2018-01-16 | 樊之雄 | A kind of antibacterial greaseproof and preparation method thereof |
| CN109181321A (en) * | 2018-09-20 | 2019-01-11 | 吴亚琴 | A kind of preparation method of antibacterial mould-proof-type edible membrane material |
| CN109362438A (en) * | 2018-10-25 | 2019-02-22 | 慕善斌 | A kind of chitosan degradable biological fruit bagging film spray liquid and preparation method thereof |
| WO2019092608A1 (en) * | 2017-11-08 | 2019-05-16 | Materias S.R.L. | In situ gelifying powder |
| WO2020042106A1 (en) * | 2018-08-30 | 2020-03-05 | 江苏奇力康皮肤药业有限公司 | Anti-inflammatory and antimicrobial ointment |
| CN110964331A (en) * | 2019-08-13 | 2020-04-07 | 广州绿徽新材料研究院有限公司 | Naturally biodegradable composite edible water-soluble packaging film and preparation method thereof |
| CN115678071A (en) * | 2023-01-03 | 2023-02-03 | 中国农业大学 | High-strength high-water-resistance PVA hordein composite membrane and preparation method thereof |
| RU2807920C2 (en) * | 2017-11-08 | 2023-11-21 | Материас С.Р.Л. | Powder forming gel in situ |
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Cited By (15)
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| CN105802249A (en) * | 2016-03-30 | 2016-07-27 | 泰兴市东圣食品科技有限公司 | Edible protein/polysaccharide composite membrane and preparation method and application thereof |
| CN105802249B (en) * | 2016-03-30 | 2018-01-02 | 泰兴市东圣生物科技有限公司 | A kind of edibility albumen/polysaccharide composite film and its preparation method and application |
| CN106700361A (en) * | 2016-12-14 | 2017-05-24 | 陈强 | Medical stone toughened polyvinyl alcohol film for preservation of fruits and vegetables and preparation method of polyvinyl alcohol film |
| CN106751270A (en) * | 2016-12-14 | 2017-05-31 | 陈强 | A kind of tear-resistant polyvinyl alcohol preserving fruit and vegetable utilizing film and preparation method thereof |
| CN106867038A (en) * | 2017-01-18 | 2017-06-20 | 湖北工业大学 | A kind of anti-bacterial packaging film and preparation method thereof |
| CN106947267A (en) * | 2017-04-21 | 2017-07-14 | 安徽巢湖南方膜业有限责任公司 | A kind of meat-eating race antibiotic property packaging film |
| CN107587385A (en) * | 2017-08-21 | 2018-01-16 | 樊之雄 | A kind of antibacterial greaseproof and preparation method thereof |
| WO2019092608A1 (en) * | 2017-11-08 | 2019-05-16 | Materias S.R.L. | In situ gelifying powder |
| US11541011B2 (en) | 2017-11-08 | 2023-01-03 | Materias S.R.L. | In situ gelifying powder |
| RU2807920C2 (en) * | 2017-11-08 | 2023-11-21 | Материас С.Р.Л. | Powder forming gel in situ |
| WO2020042106A1 (en) * | 2018-08-30 | 2020-03-05 | 江苏奇力康皮肤药业有限公司 | Anti-inflammatory and antimicrobial ointment |
| CN109181321A (en) * | 2018-09-20 | 2019-01-11 | 吴亚琴 | A kind of preparation method of antibacterial mould-proof-type edible membrane material |
| CN109362438A (en) * | 2018-10-25 | 2019-02-22 | 慕善斌 | A kind of chitosan degradable biological fruit bagging film spray liquid and preparation method thereof |
| CN110964331A (en) * | 2019-08-13 | 2020-04-07 | 广州绿徽新材料研究院有限公司 | Naturally biodegradable composite edible water-soluble packaging film and preparation method thereof |
| CN115678071A (en) * | 2023-01-03 | 2023-02-03 | 中国农业大学 | High-strength high-water-resistance PVA hordein composite membrane and preparation method thereof |
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Application publication date: 20150513 |