CN107722300A - A kind of hydrogen peroxide is modified the preparation method of banana tegument extract composite aquogel - Google Patents
A kind of hydrogen peroxide is modified the preparation method of banana tegument extract composite aquogel Download PDFInfo
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- CN107722300A CN107722300A CN201710937397.0A CN201710937397A CN107722300A CN 107722300 A CN107722300 A CN 107722300A CN 201710937397 A CN201710937397 A CN 201710937397A CN 107722300 A CN107722300 A CN 107722300A
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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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
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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
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
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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
- C08J2405/02—Dextran; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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Abstract
The invention discloses the preparation method that a kind of hydrogen peroxide is modified banana tegument extract composite aquogel, banana skin is first ground into powder after washing homogenate is made, after addition amylase and protease progress enzymolysis processing filtering after decentralized processing soluble in water after 3 times plus water centrifugation, merging filtrate, obtain banana tegument extract, Curdlan is dissolved in into addition banana tegument extract in hydrogenperoxide steam generator afterwards to be reacted, and after with sodium hydroxide pH being adjusted, adipic dihydrazide is added after refrigerator cooling in ice-water bath to be reacted, dialyse to freeze after regulation pH and both obtain, the preparation technology of the present invention is simple, and required the cost of material is low, the product of preparation is biodegradable, it is nontoxic non-stimulated, and possesses good sustained and controlled release.
Description
Technical field
The present invention relates to composite aquogel technical field, and in particular to it is compound that a kind of hydrogen peroxide is modified banana tegument extract
The preparation method of hydrogel.
Background technology
Banana belongs to Musaceae Musa herbaceos perennial, is typical tropical industrial crops, wide in south China
General plantation.China's banana production is at the forefront in the world, and banana is a kind of edible and high fruit of medical value, has very abundant
Nutrition, except directly edible outer, can also be processed into bananas yoghourt junket, the food such as banana ice swashs, banana figs, but producing banana
While food, but people only eat its pulp, produce a large amount of banana skins, and banana skin accounts for full banana fruits weight 35%-41%, if
Handle, arbitrarily abandoned not in time, both pollute environment, and waste of resource, many negative effects are brought to society and production.Banana
Skin contains Multiple components, including the benefit materials such as polysaccharide, pectin, dietary fiber.
Hydrogel is segmented into physical hydrogel and chemical hydrogel according to the intermolecular chemical reaction that whether there is.Twined by molecule
The hydrogel that the noncovalent interaction such as knot, electrostatic interaction, oxygen key or hydrophobic effect power is formed is commonly referred to as physics can hydrogel against the current；
Conversely, chemical permanent water hydrogel is known as by covalently cross-linked hydrogel.It is different according to the performance of water hydrogel, can be with
They are divided into traditional water hydrogel and intelligent water hydrogel；Can be degraded according to water hydrogel, be divided into it is biodegradable and
Nondegradable water hydrogel；Divided according to raw material, synthesis macromolecule water hydrogel and natural polymer water can be divided into again
Gel.
The content of the invention
The present invention provides the preparation method that a kind of hydrogen peroxide is modified banana tegument extract composite aquogel, system of the invention
Standby technique is simple, and it is required the cost of material is low, the product of preparation is biodegradable, nontoxic non-stimulated and possess good
Sustained and controlled release.
The present invention is achieved by the following technical solutions：
A kind of hydrogen peroxide is modified the preparation method of banana tegument extract composite aquogel, it is characterised in that comprises the following steps：
（1）30-40 parts by weight banana skin is cleaned into drying, 20-30 parts by weight of phosphoric acid/buffer solution of sodium phosphate is added after crushing at a high speed
20-30 minutes are stirred, 0.5-1 weight starch enzyme solutions is added, is cooled to after sealing at 90-100 DEG C after water-bath 15-30 minutes
0.5-1 parts by weight liquid of protease is added after 40-60 DEG C, after 40-60 DEG C of 1-2 hour of water-bath, 20-30 parts by weight water is added after filtering
Decentralized processing 20-30 minutes in solution stirring, filtrate is centrifuged, lower sediment is added in the water of same volume and continues to locate
Reason, is so repeated 2 times, merging filtrate is stand-by；
（2）3-5 parts by weight Curdlan is added in 60-80 parts by weight hydrogenperoxide steam generators and stirs 1-2 hours in 60-80 DEG C, is added
Enter step（1）Gains and then with 20-40% sodium hydroxides pH is adjusted to 9-9.5, it is stand-by to after room temperature after cooling；
（3）By step（2）Gains are placed in -10-5 DEG C of refrigerator, are taken out, are placed in ice bath after cooling down 1-2 hours, and 1- is added dropwise
2 parts by weight adipic dihydrazides, the use of 20-40% salt acid for adjusting pH is 4-6, is stirred continuously reaction 2-4 hours, reaction at room temperature
Complete use bag filter was dialysed in distilled water after 12-18 hours, was freezed, and is both obtained hydrogen peroxide and is modified banana tegument extract compound water congealing
Glue
The step（1）High-speed stirred to be added in high mixer the stirring of 500-1000r/min rotating speeds until forming homogenate.
The step（1）Be sealed into masking foil sealing or be placed in closed container and sealed.
The step（1）Be filtered into and filtered using the diatomaceous sand core crucible of pickling.
It is described to freeze to put in freeze dryer, -10--20 DEG C are refrigerated to, is evacuated to drying chamber pressure 20-30Pa, is heated
20-40 DEG C until distillation terminates.
It is an advantage of the invention that：
Banana skin is first ground into powder and homogenate is made by the present invention after washing, adds amylase and protease is carried out at enzymolysis
After reason filtering after decentralized processing soluble in water after 3 times plus water centrifugation merging filtrate, banana tegument extract is obtained, afterwards may be used
Moral peptization adds banana tegument extract in hydrogenperoxide steam generator and reacted, and after pH is adjusted with sodium hydroxide, refrigerator
Adipic dihydrazide is added after cooling in ice-water bath to be reacted, dialysing to freeze after regulation pH both obtains, and banana skin is treated
It is polysaccharide, polyphenol and unrighted acid in obtained extract, when being reacted with Curdlan and hydrogen peroxide, alkalescence condition
Lower hydrogen peroxide treatment can cause the change of polysaccharide structures property, the bulk density rise of modified fibre, Curdlan and fiber and
The hydroxyl of polysaccharide is crosslinked, and reduces its intermolecular distance, and macromolecule is changed into the Coiling-type structure of curling from unfolding, and then
Self assembly is occurred by the amphiphilic structure of hydrophilic-hydrophobic and is closely integrated into micella, the ability with control release carrier material, and
Banana skin possesses degradable ability, and preparation technology of the invention is simple, and it is required the cost of material is low, the product of preparation can biology
It is degraded, nontoxic non-stimulated and possess good sustained and controlled release.
Embodiment
A kind of hydrogen peroxide is modified the preparation method of banana tegument extract composite aquogel, it is characterised in that including following
Step：
（1）35 parts by weight banana skins are cleaned into drying, 25 parts by weight of phosphoric acid/buffer solution of sodium phosphate high-speed stirred 25 is added after crushing
Minute, 0.8 weight starch enzyme solutions are added, water-bath adds 0.8 weight at 95 DEG C after 50 DEG C are cooled to after 20 minutes after sealing
Part liquid of protease, after water-bath 50 DEG C 1.5 hours, decentralized processing 25 minutes in the stirring of the 25 parts by weight aqueous solution are added after filtering, from
Heart separating filtrate, lower sediment is added in the water of same volume and continued with, is so repeated 2 times, merging filtrate is stand-by；
（2）4 parts by weight Curdlans are added in 70 parts by weight hydrogenperoxide steam generators and stirred 1.5 hours in 70 DEG C, add step（1）
Gains and then with 30% sodium hydroxide pH is adjusted to 9-9.5, it is stand-by to after room temperature after cooling；
（3）By step（2）Gains are placed in 0 DEG C of refrigerator, and cooling is taken out after 1.5 hours, is placed in ice bath, and 1.5 weights are added dropwise
Part adipic dihydrazide is measured, the use of 30% salt acid for adjusting pH is 4-6, is stirred continuously reaction 3 hours at room temperature, has been reacted with dialysis
After bag is dialysed 16 hours in distilled water, freeze, both obtained hydrogen peroxide and be modified banana tegument extract composite aquogel
The step（1）High-speed stirred to be added in high mixer the stirring of 800r/min rotating speeds until forming homogenate.
The step（1）Be sealed into masking foil sealing or be placed in closed container and sealed.
The step（1）Be filtered into and filtered using the diatomaceous sand core crucible of pickling.
It is described to freeze to put in freeze dryer, be refrigerated to -15 DEG C, be evacuated to drying chamber pressure 25Pa, 30 DEG C of heating until
Distillation terminates.
Claims (5)
1. a kind of hydrogen peroxide is modified the preparation method of banana tegument extract composite aquogel, it is characterised in that including following step
Suddenly：
（1）30-40 parts by weight banana skin is cleaned into drying, 20-30 parts by weight of phosphoric acid/buffer solution of sodium phosphate is added after crushing at a high speed
20-30 minutes are stirred, 0.5-1 weight starch enzyme solutions is added, is cooled to after sealing at 90-100 DEG C after water-bath 15-30 minutes
0.5-1 parts by weight liquid of protease is added after 40-60 DEG C, after 40-60 DEG C of 1-2 hour of water-bath, 20-30 parts by weight water is added after filtering
Decentralized processing 20-30 minutes in solution stirring, filtrate is centrifuged, lower sediment is added in the water of same volume and continues to locate
Reason, is so repeated 2 times, merging filtrate is stand-by；
（2）3-5 parts by weight Curdlan is added in 60-80 parts by weight hydrogenperoxide steam generators and stirs 1-2 hours in 60-80 DEG C, is added
Enter step（1）Gains and then with 20-40% sodium hydroxides pH is adjusted to 9-9.5, it is stand-by to after room temperature after cooling；
（3）By step（2）Gains are placed in -10-5 DEG C of refrigerator, are taken out, are placed in ice bath after cooling down 1-2 hours, and 1- is added dropwise
2 parts by weight adipic dihydrazides, the use of 20-40% salt acid for adjusting pH is 4-6, is stirred continuously reaction 2-4 hours, reaction at room temperature
Complete use bag filter was dialysed in distilled water after 12-18 hours, was freezed, and is both obtained hydrogen peroxide and is modified banana tegument extract compound water congealing
Glue.
2. being modified the preparation method of banana tegument extract composite aquogel according to a kind of hydrogen peroxide of claim 1, its feature exists
In the step（1）High-speed stirred to be added in high mixer the stirring of 500-1000r/min rotating speeds until forming homogenate.
3. being modified the preparation method of banana tegument extract composite aquogel according to a kind of hydrogen peroxide of claim 1, its feature exists
In the step（1）Be sealed into masking foil sealing or be placed in closed container and sealed.
4. being modified the preparation method of banana tegument extract composite aquogel according to a kind of hydrogen peroxide of claim 1, its feature exists
In the step（1）Be filtered into and filtered using the diatomaceous sand core crucible of pickling.
5. being modified the preparation method of banana tegument extract composite aquogel according to a kind of hydrogen peroxide of claim 1, its feature exists
In, it is described to freeze to put in freeze dryer, -10--20 DEG C are refrigerated to, is evacuated to drying chamber pressure 20-30Pa, heats 20-40 DEG C
Until distillation terminates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710937397.0A CN107722300A (en) | 2017-09-30 | 2017-09-30 | A kind of hydrogen peroxide is modified the preparation method of banana tegument extract composite aquogel |
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| CN201710937397.0A CN107722300A (en) | 2017-09-30 | 2017-09-30 | A kind of hydrogen peroxide is modified the preparation method of banana tegument extract composite aquogel |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05176679A (en) * | 1991-02-20 | 1993-07-20 | Hodaka Kanko Shokuhin:Kk | Complex processed food and its production |
| CN102138653A (en) * | 2011-03-02 | 2011-08-03 | 鲜活实业（昆山）食品工业有限公司 | Method for preparing curdlan gel granules and product thereof |
| CN102640935A (en) * | 2012-05-24 | 2012-08-22 | 中华全国供销合作总社济南果品研究院 | Method for extracting dietary fiber in banana skin by adopting enzymic method |
| CN102703408A (en) * | 2012-06-27 | 2012-10-03 | 南京工业大学 | Method for extracting glutamic acid decarboxylase from banana peel and method for producing r-reanal |
| CN106219715A (en) * | 2016-09-20 | 2016-12-14 | 济南大学 | A kind of preparation method of oxidation modification Pericarpium Musae coagulant |
-
2017
- 2017-09-30 CN CN201710937397.0A patent/CN107722300A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05176679A (en) * | 1991-02-20 | 1993-07-20 | Hodaka Kanko Shokuhin:Kk | Complex processed food and its production |
| CN102138653A (en) * | 2011-03-02 | 2011-08-03 | 鲜活实业（昆山）食品工业有限公司 | Method for preparing curdlan gel granules and product thereof |
| CN102640935A (en) * | 2012-05-24 | 2012-08-22 | 中华全国供销合作总社济南果品研究院 | Method for extracting dietary fiber in banana skin by adopting enzymic method |
| CN102703408A (en) * | 2012-06-27 | 2012-10-03 | 南京工业大学 | Method for extracting glutamic acid decarboxylase from banana peel and method for producing r-reanal |
| CN106219715A (en) * | 2016-09-20 | 2016-12-14 | 济南大学 | A kind of preparation method of oxidation modification Pericarpium Musae coagulant |
Non-Patent Citations (3)
| Title |
|---|
| 刘正超: "《染化药剂》", 31 August 2001, 中国纺织出版社 * |
| 张海龙等: ""可得然胶的性质及应用"", 《中国食物与营养》 * |
| 贾宝珠等: ""香蕉皮中功能性成分的研究进展"", 《食品研究与开发》 * |
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Application publication date: 20180223 |