CN101712774A - Method for preparing modified watermelon peel fiber and cornstarch edible film - Google Patents
Method for preparing modified watermelon peel fiber and cornstarch edible film Download PDFInfo
- Publication number
- CN101712774A CN101712774A CN200910221008A CN200910221008A CN101712774A CN 101712774 A CN101712774 A CN 101712774A CN 200910221008 A CN200910221008 A CN 200910221008A CN 200910221008 A CN200910221008 A CN 200910221008A CN 101712774 A CN101712774 A CN 101712774A
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- Prior art keywords
- watermelon peel
- peel fiber
- cornstarch
- edible film
- modified
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention relates to a method for preparing a modified watermelon peel fiber and cornstarch edible film, belonging to the technical field of edible packaging materials. The method comprises the following steps of: (1) extracting watermelon peel fibers; (2) carrying out cross linking modification on the watermelon peel fibers and succinic acid; and (3) processing the modified watermelon peel fiber and cornstarch edible film. The invention has the advantages that the prepared modified watermelon peel fiber and cornstarch edible film provides a new and effective packaging material for foods, suppresses pollutions to the environment by the past packaging materials, expands the application range of watermelon peels, improves the economic benefit and lays a good foundation for the industrial production of the modified watermelon peel fiber and cornstarch edible film.
Description
Technical field
The invention belongs to the technical field of edible packaging material, be specifically related to that the watermelon peel fiber modification is handled and with film forming prescription of the compound preparation of W-Gum and making method.
Background technology
Watermelon provides the good material of fruit-vegetable fibre as the fruit and vegetable varieties of a kind ofly planting extensively, output is abundant.Watermelon rind moisture content height, content of cellulose is low, the simple plain film forming of watermelon peel fiber that relies on after pulling an oar, products obtained therefrom intensity is relatively poor, does not meet the requirement of wrapping material.Independent W-Gum film tensile strength, elongation at break and permeability also is difficult to satisfy the packing needs, and it is unsatisfactory that DIRECT UTILIZATION OF CELLULOSE is produced preparation edible film effect at present.
Summary of the invention
The object of the present invention is to provide a kind of prescription and making method that can be used as the watermelon peel fiber and cornstarch edible film of food product pack.
The present invention includes the following step:
1. watermelon peel fiber extracts, and comprises the following steps:
1) pre-treatment: with the Watermelon rind kiering of segment 10 minutes, send into hollander, add the distilled water making beating of 1 times of amount;
2) remove pectin:, press filter residue with step 1 gained slurry: the amount adding distil water of water=1: 2, the hydrochloric acid accent pH to 1.5-2.5 with 10% sends into water-bath and is heated to 85-95 ℃, stirs 90-120 minute, with the residue washing after-filtration;
3) take off ester: step 2 gained filter residue with the alcohol-pickled ester that takes off, is filtered;
4) caustic dip: step 3 gained filter residue was soaked under room temperature 20 hours with 10% sodium hydroxide, filter, filtrate being used to extracted hemicellulose, and filter residue is used to extract Mierocrystalline cellulose;
5) extract hemicellulose: step 4 gained filtrate is transferred pH to 5.0 with 50% acetic acid, filter;
6) extract xylogen: with step 5 gained filter residue, wash with water, add the equivalent Textone, transfer pH to 4～5, be heated to 75 ℃, kept 1 hour, be cooled to room temperature, filter, get xylogen after the filtrate drying, preserve filter residue with 50% acetic acid except that alkali lye;
7) extract Mierocrystalline cellulose:, with 95% alcohol washing, get Mierocrystalline cellulose after the drying again with step 6 gained filter residue washing deacidification.
2. the watermelon peel fiber succsinic acid is cross-linking modified, comprises the following steps:
1) will mix with succsinic acid through pretreated watermelon peel fiber, microwave treatment is adopted in the back that stirs;
2) take out sample, cooling is after distilled water wash, drying and crushing;
3. modified watermelon peel fiber and cornstarch edible film processing comprises the following steps:
1) corn starch solution gelatinization;
2) add film liquid, film liquid is made up of W-Gum, modified watermelon peel fiber, sodium alginate, Xylo-Mucine, glycerine, sorbyl alcohol and distilled water, each component is respectively by mass percentage: W-Gum 1-5%, modified watermelon peel fiber 1-3%, sodium alginate 0.5-1.5%, Xylo-Mucine 0.5-1.5%, glycerine 0.4-1.2%, sorbyl alcohol 0.4-1.2%, distilled water 90.4-92.4%.
3) film liquid is carried out homogeneous, the degassing and curtain coating;
4) drying and forming-film.
The present invention is by the succsinic acid crosslinking Treatment, watermelon peel fiber is carried out modification, change surface tissue, crystalline state, obtain the better fiber of intensity and flexility, under optimal condition, prepare well behaved film, also provide theory and method with reference value for the fruit-vegetable fibre study on the modification with W-Gum is compound.
Beneficial effect of the present invention is: the watermelon peel fiber and cornstarch edible film of producing, for food provides a kind of new, effective wrapping material, packing material in the past is curbed to the pollution of environment, make the range of application of Watermelon rind obtain expanding, economic benefit gets a promotion, and has also established good basis for the suitability for industrialized production of watermelon peel fiber and cornstarch edible film.
Embodiment
Below be 4 film liquid formula of modified watermelon peel fiber and cornstarch edible film, wherein each component is all formed by mass percentage:
Film liquid formula 1:
W-Gum 1%, modified watermelon peel fiber 3%, sodium alginate 1.5%, Xylo-Mucine 0.5%, glycerine 0.4%, sorbyl alcohol 1.2%, distilled water 92.4%.
Film liquid formula 2:
W-Gum 5%, modified watermelon peel fiber 1%, sodium alginate 0.5%, Xylo-Mucine 1.5%, glycerine 1.2%, sorbyl alcohol 0.4%, distilled water 90.4%.
Film liquid formula 3:
W-Gum 3%, modified watermelon peel fiber 2%, sodium alginate 1%, Xylo-Mucine 1%, glycerine 0.8%, sorbyl alcohol 0.8%, distilled water 91.4%.
Film liquid formula 4:
W-Gum 5%, modified watermelon peel fiber 2%, sodium alginate 0.5%, Xylo-Mucine 0.5%, glycerine 0.4%, sorbyl alcohol 0.6%, distilled water 91%.
Claims (5)
1. a method for preparing modified watermelon peel fiber and cornstarch edible film is characterized in that comprising the following steps:
1) watermelon peel fiber extracts;
2) the watermelon peel fiber succsinic acid is cross-linking modified;
3) modified watermelon peel fiber and cornstarch edible film processing.
2. by the described method for preparing modified watermelon peel fiber and cornstarch edible film of claim 1, it is characterized in that the watermelon peel fiber extraction described in the step 1) comprises the following steps:
1) pre-treatment: with the Watermelon rind kiering of segment 10 minutes, send into hollander, add the distilled water making beating of 1 times of amount;
2) remove pectin:, press filter residue with step 1 gained slurry: the amount adding distil water of water=1: 2, the hydrochloric acid accent pH to 1.5-2.5 with 10% sends into water-bath and is heated to 85-95 ℃, stirs 90-120 minute, with the residue washing after-filtration;
3) take off ester: step 2 gained filter residue with the alcohol-pickled ester that takes off, is filtered;
4) caustic dip: step 3 gained filter residue was soaked under room temperature 20 hours with 10% sodium hydroxide, filter;
5) extract hemicellulose: step 4 gained filtrate is transferred pH to 5.0 with 50% acetic acid, filter;
6) extract xylogen: with step 5 gained filter residue, wash with water, add the equivalent Textone, transfer pH to 4-5, be heated to 75 ℃, kept 1 hour, be cooled to room temperature, filter, get xylogen after the filtrate drying, preserve filter residue with 50% acetic acid except that alkali lye;
7) extract Mierocrystalline cellulose:, with 95% alcohol washing, get Mierocrystalline cellulose after the drying again with step 6 gained filter residue washing deacidification.
3. by the described method for preparing modified watermelon peel fiber and cornstarch edible film of claim 1, it is characterized in that step 2) described in cross-linking modified the comprising the following steps: of watermelon peel fiber succsinic acid
1) will mix with succsinic acid through pretreated watermelon peel fiber, microwave treatment is adopted in the back that stirs;
2) take out sample, cooling is after distilled water wash, drying and crushing;
4. by the described method for preparing modified watermelon peel fiber and cornstarch edible film of claim 1, it is characterized in that the modified watermelon peel fiber and cornstarch edible film processing described in the step 3) comprises the following steps:
1) corn starch solution gelatinization;
2) add film liquid;
3) film liquid is carried out homogeneous, the degassing and curtain coating;
4) drying and forming-film.
5. by the described method for preparing modified watermelon peel fiber and cornstarch edible film of claim 4, it is characterized in that step 2) and 3) described in film liquid form by W-Gum, modified watermelon peel fiber, sodium alginate, Xylo-Mucine, glycerine, sorbyl alcohol and distilled water, each component is respectively by mass percentage: W-Gum 1-5%, modified watermelon peel fiber 1-3%, sodium alginate 0.5-1.5%, Xylo-Mucine 0.5-1.5%, glycerine 0.4-1.2%, sorbyl alcohol 0.4-1.2%, distilled water 90.4-92.4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221008A CN101712774A (en) | 2009-11-02 | 2009-11-02 | Method for preparing modified watermelon peel fiber and cornstarch edible film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221008A CN101712774A (en) | 2009-11-02 | 2009-11-02 | Method for preparing modified watermelon peel fiber and cornstarch edible film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101712774A true CN101712774A (en) | 2010-05-26 |
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| CN200910221008A Pending CN101712774A (en) | 2009-11-02 | 2009-11-02 | Method for preparing modified watermelon peel fiber and cornstarch edible film |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219090A (en) * | 2011-04-29 | 2011-10-19 | 逯益民 | Edible internal packaging bag and production process thereof |
| CN103806316A (en) * | 2014-03-04 | 2014-05-21 | 临沂高新区无敌盾新材料科技有限公司 | Refined ginger cellulose and preparation method thereof |
| CN105542203A (en) * | 2015-12-21 | 2016-05-04 | 四川农业大学 | Watermelon peel based edible packaging film and preparation method therefor |
| CN105924680A (en) * | 2016-06-27 | 2016-09-07 | 苏州市鼎立包装有限公司 | Grape skin edible food packaging material and preparation method thereof |
| CN106633998A (en) * | 2016-11-10 | 2017-05-10 | 陈建峰 | Method for preparing edible packaging film by utilizing celery fiber |
| CN106674619A (en) * | 2016-12-15 | 2017-05-17 | 华南理工大学 | Edible starch-based thin film for instant food seasoning pocket and preparation method of edible starch-based film |
| CN108752645A (en) * | 2018-04-28 | 2018-11-06 | 常德金德新材料科技股份有限公司 | A kind of edible packing membrane and preparation method thereof with high-barrier function |
| CN110041446A (en) * | 2019-03-20 | 2019-07-23 | 肖兵 | A kind of biomass comprehensive method for refining |
-
2009
- 2009-11-02 CN CN200910221008A patent/CN101712774A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219090A (en) * | 2011-04-29 | 2011-10-19 | 逯益民 | Edible internal packaging bag and production process thereof |
| CN103806316A (en) * | 2014-03-04 | 2014-05-21 | 临沂高新区无敌盾新材料科技有限公司 | Refined ginger cellulose and preparation method thereof |
| CN103806316B (en) * | 2014-03-04 | 2015-11-04 | 山东来利来生态纺织科技有限公司 | A kind of refinement ginger fiber and preparation method thereof |
| CN105542203A (en) * | 2015-12-21 | 2016-05-04 | 四川农业大学 | Watermelon peel based edible packaging film and preparation method therefor |
| CN105542203B (en) * | 2015-12-21 | 2018-02-06 | 四川农业大学 | A kind of edible packing membrane based on watermelon peel and preparation method thereof |
| CN105924680A (en) * | 2016-06-27 | 2016-09-07 | 苏州市鼎立包装有限公司 | Grape skin edible food packaging material and preparation method thereof |
| CN106633998A (en) * | 2016-11-10 | 2017-05-10 | 陈建峰 | Method for preparing edible packaging film by utilizing celery fiber |
| CN106674619A (en) * | 2016-12-15 | 2017-05-17 | 华南理工大学 | Edible starch-based thin film for instant food seasoning pocket and preparation method of edible starch-based film |
| CN108752645A (en) * | 2018-04-28 | 2018-11-06 | 常德金德新材料科技股份有限公司 | A kind of edible packing membrane and preparation method thereof with high-barrier function |
| CN110041446A (en) * | 2019-03-20 | 2019-07-23 | 肖兵 | A kind of biomass comprehensive method for refining |
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Open date: 20100526 |