CN105542203B - A kind of edible packing membrane based on watermelon peel and preparation method thereof - Google Patents
A kind of edible packing membrane based on watermelon peel and preparation method thereof Download PDFInfo
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- CN105542203B CN105542203B CN201510965320.5A CN201510965320A CN105542203B CN 105542203 B CN105542203 B CN 105542203B CN 201510965320 A CN201510965320 A CN 201510965320A CN 105542203 B CN105542203 B CN 105542203B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/463—Edible packaging materials
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/04—Alginic acid; Derivatives thereof
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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
- 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
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
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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
- C08L2203/16—Applications used for films
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
The invention provides a kind of preparation method of the edible packing membrane based on watermelon peel, this method comprises the following steps：1）Watermelon peel is cleaned into simultaneously stripping and slicing；2）Carry out blanching processing；3）Mashing processing is carried out in paste pureed, obtains watermelon peel paste mud；4）To step 3）Water, thickener and plasticizer are added in gained watermelon peel paste mud, obtains watermelon latex；By mass percentage, in the watermelon latex, watermelon peel paste mud accounts for 40~80%, and thickener accounts for 0.1~1%, and plasticizer accounts for 0.05~0.50%, and remaining is water；The thickener includes sodium alginate and/or sodium carboxymethylcellulose；The plasticizer includes sorbierite or glycerine；5）Homogenization is carried out, homogenization speed is 10000~20000 r/min, and processing time is 5~10 min；Then it is de-gassed and handles and stand, obtains shaping slurry；6）It is cast, after drying, then carries out taking off film, produce.Present invention also offers the packaging film being prepared by the above method.
Description
Technical field
The invention belongs to food engineering development field, and in particular to a kind of edible packing membrane and its system based on watermelon peel
Preparation Method.
Background technology
In recent years, the safety related to food and environmental problem become increasingly conspicuous, wherein it is main the problem of one of show food
The security of product packaging is in urgent need of strengthening and the environmental protection treatment means of raw-food material discarded object are urgently furtherd investigate.
Fruit is the daily required important foodstuffs of people, it is possible to provide a variety of nutriments and vitamin, is good for improving human body
Health is significant.With the continuous enhancing of Chinese national power and living standards of the people, fruit industry has also obtained flourishing hair
Exhibition, the related processing enterprise of fruit continue to bring out.However, abandoned frequently as waste material due to pericarp and easily rotted, caused by it
Environmental problem is very important.
Currently used packaging material for food is mostly synthetic material, certain or potential security risk be present.Therefore,
How so that the safety issue that discarded pericarp was utilized effectively and can solved packaging material for food is one urgently to be resolved hurrily
Problem.
So far as is known, prior art rarely has prepares food package film using pericarp.Edible film is being prepared using fruits and vegetables
In research field, predominantly stay in by the use of fruits and vegetables extract and be used as antiseptic, antioxidant etc., such as " Antioxidant films
based on cross-linked methyl cellulose and native Chilean berry for food
packaging applications”；Or be crosslinked using fruits and vegetables extract with other materials, such as the A of CN 101712774；
Or edible film only is prepared with pulp, such as the A1 of WO 2013/192519.
The shortcomings that the studies above content, is：1st, the extraction to some compositions of fruits and vegetables progress is needed, technical sophistication, cost are high
It is high, it is not suitable for the packaging of normal food；2nd, in addition to needing to carry out the extraction of some compositions to fruits and vegetables, it is also necessary to other materials
Material is crosslinked, and acid, base reagent and organic solvent need to be used during crosslinking, edible safety risk be present；3rd, gained edible film mistake
It is thin, do not possess considerable mechanical strength and barrier property, practical value is low.
In summary, this area needs the technology of preparing for the edible packing membrane that can overcome above-mentioned technical disadvantages badly.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of edible packing membrane based on watermelon peel
Preparation method, the method overcome that prior art has it is with high costs, have the shortcomings that edible safety risk and practicality are low, can
Obtained directly using watermelon peel as raw material and by the cheap processing method of cost with considerable mechanical strength and barrier property
Edible packing membrane.This method comprises the following steps：
1）Watermelon peel is cleaned into simultaneously stripping and slicing；
2）To step 1）Gains carry out blanching processing；
3）To step 2）Gains carry out mashing processing in paste pureed, obtain watermelon peel paste mud；
4）To step 3）Water, thickener and plasticizer are added in gained watermelon peel paste mud, obtains watermelon latex；By quality percentage
Number meter, in the watermelon latex, watermelon peel paste mud accounts for 40~80 %, and thickener accounts for 0.1~1 %, and plasticizer accounts for 0.05~
0.50 %, remaining is water；The thickener includes sodium alginate and/or sodium carboxymethylcellulose；The plasticizer includes sorb
Alcohol or glycerine；
5）To step 4）Gains carry out homogenization, and homogenization speed is 10000~20000 r/min, during processing
Between be 5~10 min；Then it is de-gassed and handles and stand, obtains shaping slurry；
6）To step 5）Gains are cast, after drying, are then carried out taking off film, are produced.
The present inventor has found by groping for a long time, when by the use of watermelon peel as raw material, and adds very few
, can be so that the good edible packing membrane of mechanical performance and barrier property be prepared when the thickener and plasticizer of amount.Such as
Shown in embodiments of the invention, the tensile strength of present invention gained packaging film reaches up to 12.34 more than MPa, break-draw rate
14.78 more than %, folding strength is up to more than 31 times；Meanwhile present invention gained packaging film also has good vapor transmission coefficient
And oxygen transmission coefficient.
China is the watermelon place of production maximum in the world, and cultivated area is about 1,080,000 hectares, annual production more than 50,000,000 tons,
In addition to eating raw, watermelon is also processed to watermelon juice, watermelon wine, watermelon vinegar, extraction watermelon seeds etc., but these production processes are only sharp
With melon pulp and melon seeds, the watermelon peel for accounting for watermelon total amount 1/3 is then largely directly dropped as garbage disposal, easily grown
Bacterium and mosquitos and flies, turn into a big public hazards in daily time in especially midsummer.Watermelon peel is except containing crude fibre, pectin, polysaccharide, ammonia
Outside the mineral element such as base acid and the abundant nutriment such as vitamin and calcium, phosphorus, iron, also have concurrently clearing heat and detoxicating, anti-inflammatory, diuresis,
The medical values such as decompression, Vitamin C disease.
The packaging film obtained by the present invention has good mechanical performance and barrier property, and it is applied to and food, medicine
The inner packaging material directly contacted Deng content, and the packaging film can be both eaten together with content, also can be certainly after discarding
So degraded, extends the application of this fruit/vegetable waste of watermelon peel, improves its economic benefit, so as to avoid the wasting of resources
With environmental pollution not only for solve as watermelon peel and caused by problem of environmental pollution.Gained packaging film of the invention is in emerald green, face
Color is good-looking, also has outward appearance advantage in terms of packaging for foodstuff.
Preferably, step 1）In, the watermelon peel is the skin of ripe and fresh watermelon；When carrying out stripping and slicing, by watermelon peel
It is cut into the cm of 1 cm × 1 fritter.
Preferably, step 2）In, the blanching processing procedure is：In the sodium bicarbonate aqueous solution that mass fraction is 0.3 %
In, 2~3 min are handled at 85 DEG C.
Preferably, step 3）In, the mashing processing procedure is：Using in beater 8~10 min are beaten in room temperature.
Preferably, step 4）In, antiseptic is additionally added, the mass percent that the antiseptic accounts for watermelon latex is not higher than
1.5 %；Preferably, the antiseptic is carvacrol.
The addition of antiseptic can cause gained packaging film to have antibiotic property, extend the shelf life of food.However, it is worth pointing out
, it is any to can apply to the present invention available for the antiseptic for strengthening Food Shelf-life.Perfume (or spice) cited by the present invention
Celery phenol is only one kind of available antiseptic.
Preferably, step 4）In, the watermelon peel paste mud accounts for 60 % of watermelon latex mass percent；The thickener is
The mixture of sodium alginate and sodium carboxymethylcellulose.
Preferably, the sodium alginate accounts for 0.2 % of watermelon latex mass percent；The sodium carboxymethylcellulose accounts for west
Melon skin starches 0.2 % of mass percent.
When the mixture that thickener is sodium alginate and sodium carboxymethylcellulose, and sodium alginate accounts for watermelon latex quality hundred
Divide 0.2 % of ratio, when sodium carboxymethylcellulose accounts for 0.2 % of watermelon latex mass percent, the mechanical performance of gained packaging film
It is best.
Preferably, step 5）In, in the degassing, vacuum is -0.09~-0.10 MPa.
Preferably, step 6）In, curtain coating and drying process are：By shaping slurry be cast to the cm of 20 cm × 50 glass into
In membrane device, it is put into baking oven in 50~70 DEG C of dry 3-5 hours.
It is another object of the present invention to provide the edible packaging based on watermelon peel being prepared by the above method
Film.
Beneficial effects of the present invention：
1st, the present invention makes full use of watermelon peel, can not only avoid environmental pollution, while can also sufficiently utilize watermelon peel
Edible medical value；
2nd, gained packaging film mechanical performance and barrier property are excellent, have a wide range of application；
3rd, present invention gained packaging film can possess excellent antibiotic property, can improve the shelf life of food；
4th, present invention packaging membrane preparation method is simple, without organic solvent and acid-base reagent.
Brief description of the drawings
Fig. 1 is present invention gained packaging film.
Embodiment
The present invention is specifically described below by embodiment, it is necessary to it is pointed out here that be following examples simply use
It is further detailed in the present invention, it is impossible to be interpreted as limiting the scope of the invention, the field is skilled in technique
Some nonessential modifications and adaptations that personnel are made according to foregoing invention content, still fall within protection scope of the present invention.
Embodiment 1
Fresh watermelon peel is washed away into dirt with running water, then cleaned with distilled water immersion, is cut into 1cm × 1cm afterwards
Fritter is standby.600 g watermelon fritters are weighed, the blanching 2-3 min in 85 DEG C of solution containing 0.3% sodium acid carbonate, are dripped after cooling
It is dry；The watermelon peel to drain the water is beaten 10-15 min addition 900mL distilled water to after pasting pureed at room temperature and is configured to watermelon peel
Paste mud accounts for the watermelon peel slurry of slurry gross weight 50%；Thickener and plasticizer are added in above-mentioned watermelon peel slurry, thickener is sea
Mosanom, 0.30 % of slurry gross weight is accounted for, plasticizer is glycerine, accounts for 0.35 % of slurry gross weight；By gained mixed slurry normal
Homogeneous, homogeneous speed 15000r/min, the min of time 5 are carried out under normal temperature and pressure；By the slurry after homogeneous vacuum for-
Deaerated under 0.09MPa~-0.10MPa, remove the bubble of dissolving in the slurry, then stand 1 h, obtain shaping slurry；Will be into
The film forming device that type slurry is cast to, it is put into baking oven in 60 DEG C of dry 5h to release paper；Taken off from film forming device surface from obtaining west
Melon skin base edible packing membrane, is sealed.
Embodiment 2
Except watermelon peel paste mud accounts for the % of slurry gross weight 80, thickener is replaced with into sodium carboxymethylcellulose, carboxymethyl cellulose
It is 0.5 % that sodium, which accounts for slurry gross weight, and plasticizer replaced with into sorbierite, and sorbierite accounts for slurry gross weight as outside 0.4 %, remaining and reality
It is consistent to apply example 1.
Embodiment 3
Except watermelon peel paste mud accounts for the % of slurry gross weight 60, thickener is replaced with into the mixed of sodium carboxymethylcellulose and sodium alginate
Compound, sodium alginate account for 0.2 % of slurry gross weight, and it is 0.2 % that sodium carboxymethylcellulose, which accounts for slurry gross weight, by the addition of glycerine
It is that remaining is consistent with embodiment 1 outside 0.3% to be adjusted to and account for slurry gross weight.
Embodiment 4
Except carvacrol is additionally added, carvacrol is accounted for outside 1.5 % of slurry gross weight, and remaining is consistent with embodiment 3.
Experimental example
Performance measurement is carried out to packaging film obtained by embodiment 1-3, measurement result is shown in Table 1.Tensile strength and elongation at break
Determined by GB/T1040.3-2006；Folding strength is determined by GB/T 2679.5-1995；Penetrability is surveyed by GB/T16928-1997
It is fixed；Oxygen transmission rate is determined by GB/T 1038-2000；Anti-microbial property is determined by inhibition zone method.
Table 1
Bacteriostasis property measure is carried out to embodiment 4, antibacterial bandwidth is 4.6 mm.
Can be seen that packaging film of the present invention from said determination result has excellent physical and mechanical properties, and rate of perviousness
Particularly oxygen transmission rate is low.Packaging film of the present invention can also obtain good fungistatic effect by adding bacteriostatic agent, so as to can guarantee that
The quality of food, extend Food Shelf-life.
Claims (11)
1. a kind of preparation method of the edible packing membrane based on watermelon peel, it is characterised in that methods described comprises the following steps：
1) watermelon peel is cleaned into simultaneously stripping and slicing；
2) blanching processing is carried out to step 1) gains；
3) step 2) gains are carried out with mashing processing in paste pureed, obtains watermelon peel paste mud；
4) water, thickener and plasticizer are added into watermelon peel paste mud obtained by step 3), obtains watermelon latex；By weight percent
Meter, in the watermelon latex, watermelon peel paste mud accounts for 40~80%, and thickener accounts for 0.1~1%, and plasticizer accounts for 0.05~
0.50%, remaining is water；The thickener includes sodium alginate and/or sodium carboxymethylcellulose；The plasticizer includes sorb
Alcohol or glycerine；
5) homogenization is carried out to step 4) gains, homogenization speed is 10000~20000r/min, processing time 5
~10min；Then it is de-gassed and handles and stand, obtains shaping slurry；
6) step 5) gains are cast, after drying, then carry out taking off film, produce.
2. according to the method for claim 1, it is characterised in that in step 1), the watermelon peel is ripe and fresh west
The skin of melon；When carrying out stripping and slicing, watermelon peel is cut into 1cm × 1cm fritter.
3. according to the method for claim 1, it is characterised in that in step 2), the blanching processing procedure is：In quality point
Number is in 0.3% sodium bicarbonate aqueous solution, and 2~3min is handled at 85 DEG C.
4. according to the method for claim 1, it is characterised in that in step 3), the mashing processing procedure is：Utilize mashing
In machine 8~10min is beaten in room temperature.
5. according to the method for claim 1, it is characterised in that in step 4), be additionally added antiseptic, the antiseptic accounts for west
The mass percent of melon skin slurry is not higher than 1.5%.
6. according to the method for claim 5, it is characterised in that the antiseptic is carvacrol.
7. according to the method for claim 1, it is characterised in that in step 4), the watermelon peel paste mud accounts for watermelon latex matter
Measure the 60% of percentage；The thickener is the mixture of sodium alginate and sodium carboxymethylcellulose.
8. according to the method for claim 7, it is characterised in that the sodium alginate accounts for watermelon latex mass percent
0.2%；The sodium carboxymethylcellulose accounts for the 0.2% of watermelon latex mass percent.
9. according to the method for claim 1, it is characterised in that in step 5), in the degassing, vacuum is -0.09
~-0.10MPa.
10. according to the method for claim 1, it is characterised in that in step 6), curtain coating and drying process are：By forming slurry
Stream is extended down on 20cm × 50cm glass film forming device, is put into baking oven in 50~70 DEG C of dry 3-5 hours.
11. the edible packing membrane based on watermelon peel being prepared by any one of claim 1~10 method.
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| CN201510965320.5A CN105542203B (en) | 2015-12-21 | 2015-12-21 | A kind of edible packing membrane based on watermelon peel and preparation method thereof |
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| CN105542203B true CN105542203B (en) | 2018-02-06 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633998A (en) * | 2016-11-10 | 2017-05-10 | 陈建峰 | Method for preparing edible packaging film by utilizing celery fiber |
| CN108342095B (en) * | 2018-03-15 | 2021-01-26 | 四川农业大学 | Lemon peel-based edible packaging film and preparation method and application thereof |
| CN108690362A (en) * | 2018-06-25 | 2018-10-23 | 佛山实瑞先导材料研究院（普通合伙） | A kind of edibility pericarp wrapping paper and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491275A (en) * | 2009-02-20 | 2009-07-29 | 广东食品药品职业学院 | Edible food pectin preservative film and preparation method and use thereof |
| CN101712774A (en) * | 2009-11-02 | 2010-05-26 | 吉林大学 | Method for preparing modified watermelon peel fiber and cornstarch edible film |
| CN104928988A (en) * | 2015-05-28 | 2015-09-23 | 句容市茂源织造厂 | Natural preservative edible food packaging paper and preparation method thereof |
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2015
- 2015-12-21 CN CN201510965320.5A patent/CN105542203B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491275A (en) * | 2009-02-20 | 2009-07-29 | 广东食品药品职业学院 | Edible food pectin preservative film and preparation method and use thereof |
| CN101712774A (en) * | 2009-11-02 | 2010-05-26 | 吉林大学 | Method for preparing modified watermelon peel fiber and cornstarch edible film |
| CN104928988A (en) * | 2015-05-28 | 2015-09-23 | 句容市茂源织造厂 | Natural preservative edible food packaging paper and preparation method thereof |
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