CN109705230A - A kind of method and carragheen for extracting carragheen from red algae - Google Patents
A kind of method and carragheen for extracting carragheen from red algae Download PDFInfo
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- CN109705230A CN109705230A CN201811579999.4A CN201811579999A CN109705230A CN 109705230 A CN109705230 A CN 109705230A CN 201811579999 A CN201811579999 A CN 201811579999A CN 109705230 A CN109705230 A CN 109705230A
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- 241000206575 Chondrus crispus Species 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 40
- 241000206572 Rhodophyta Species 0.000 title claims abstract description 37
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000706 filtrate Substances 0.000 claims abstract description 34
- 239000000243 solution Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 239000008367 deionised water Substances 0.000 claims abstract description 25
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000003513 alkali Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 239000000084 colloidal system Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910021389 graphene Inorganic materials 0.000 claims description 14
- 238000000746 purification Methods 0.000 claims description 14
- 235000019441 ethanol Nutrition 0.000 claims description 12
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 9
- 239000000284 extract Substances 0.000 abstract 1
- 241001428166 Eucheuma Species 0.000 description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000000047 product Substances 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000000499 gel Substances 0.000 description 8
- 239000003292 glue Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 239000007901 soft capsule Substances 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 229920001817 Agar Polymers 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000008272 agar Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000679 carrageenan Substances 0.000 description 2
- 229920001525 carrageenan Polymers 0.000 description 2
- 229940113118 carrageenan Drugs 0.000 description 2
- 235000010418 carrageenan Nutrition 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 2
- WZYRMLAWNVOIEX-MOJAZDJTSA-N (2s)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyacetaldehyde Chemical compound O=C[C@@H](O)[C@@H]1OC[C@H](O)[C@H]1O WZYRMLAWNVOIEX-MOJAZDJTSA-N 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007058 Halophila ovalis Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241000212297 Pelvetia Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 210000003056 antler Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Cosmetics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The present invention relates to a kind of from red algae extracts the method and carragheen of carragheen, soaked red algae raw material is put into the alkaline aqueous solution that pH value is 7 ~ 8 and carries out alkali process by this method, the mass ratio of the alkaline aqueous solution and the red algae raw material is 5 ~ 20:1, the red algae raw material that obtains that treated；Treated that red algae raw material is put into deionized water by described, and using the temperature of deionized water described in microwave heating to 80 ~ 100 DEG C, after processing 1 ~ 3 hour, filtrate is obtained by filtration；By the filtrate at a temperature of 50 ~ 60 DEG C, the ethanol solution that pH value is 8 ~ 9 is added, the carragheen is obtained by filtration after processing 1 ~ 2 hour.The present invention improves the recovery rate of carragheen, and obtained carragheen is mainly K-type carragheen, and the gel strength of carragheen reaches 2013.1g/cm2, purity also significantly improves.
Description
Technical field
The invention belongs to soft capsule technical fields, are related to a kind of soft capsule red seaweed polysaccharide natural plant gum, especially
It is related to a kind of method and carragheen that carragheen is extracted from red algae.
Background technique
Carragheen (Carrageenan), also known as Eucheuma glue, agar glue, antler glue, carrageenan, because of card
Drawing glue is the hydrophilic colloid extracting from the red algaes sea grass such as Eucheuma, agar, pelvetia silquosa, its chemical structure is
The calcium of polysaccharide sulfuric ester, potassium, sodium, ammonium salt as composed by galactolipin and Anhydrogalactose.Due to wherein sulfuric ester combination shape
The difference of state can be divided into K-type (Kappa), I type (Iota), L-type (Lambda).Carragheen has solidification, thickening, emulsification, suspends
With the characteristics such as water holding, it is widely used in food and field of medicaments, it is especially bright to substitute in preparation soft capsule
Glue preparation capsule using upper.
However, the carragheen extracted in the prior art using red algae as raw material, especially with the K-type card of important medical value
The gel strength of glue is drawn, purity and recovery rate be not high, to limit K-type carragheen answering in preparation soft capsule
With.
Therefore, it is necessary to relatively reliable or effective schemes, strong with the gel for improving the K-type carragheen extracted from red algae
Degree, purity and recovery rate.
Summary of the invention
The method and OK a karaoke club of carragheen are extracted in view of the above-mentioned problems, the object of the present invention is to provide a kind of from red algae
Glue.
In order to solve the above-mentioned technical problem, the first aspect of the present invention provides a kind of side that carragheen is extracted from red algae
Method, which comprises
Soaked red algae raw material is put into the alkaline aqueous solution that pH value is 7 ~ 8 and carries out alkali process, the alkaline aqueous solution with
The mass ratio of the red algae raw material is 5 ~ 20:1, the red algae raw material that obtains that treated；
Treated that red algae raw material is put into deionized water by described, using the temperature of deionized water described in microwave heating to 80 ~
After 100 DEG C, processing 1 ~ 3 hour, filtrate is obtained by filtration；
By the filtrate at a temperature of 50 ~ 60 DEG C, the ethanol solution that pH value is 8 ~ 9 is added and is obtained by filtration after processing 1 ~ 2 hour
The carragheen.
Further, the temperature of the alkali process is 50 ~ 80 DEG C, and the processing time is 1 ~ 2 hour.
Further, the mass ratio of the deionized water and treated the red algae raw material is 10 ~ 15:1.
Further, it is described by the filtrate at a temperature of 50 ~ 60 DEG C, be added pH value be 8 ~ 9 ethanol solution, processing 1 ~
After 2 hours, the carragheen, which is obtained by filtration, includes:
Into the filtrate be added acid medium be adjusted to pH value be 5 ~ 6 after, be added graphene oxide colloid carry out purification process 2
~ 4 hours, filtrate after purification is then obtained by filtration；
The pH value of the filtrate after purification is adjusted to 7 ~ 8, after being heated to 50 ~ 60 DEG C, it is molten that the ethyl alcohol that pH value is 8 ~ 9 is added
Liquid handles 1 ~ 2 hour, the carragheen is obtained by filtration.
Further, the mass ratio of the filtrate and the graphene oxide colloid is 1:(1 ~ 2).
Further, the graphene oxide colloid is prepared using Hummers method.
Further, the method also includes:
Vacuum drying treatment, the condition of the vacuum drying treatment are as follows: vacuum are carried out to the carragheen being obtained by filtration
- 0.01 ~ -0.05MPa is spent, is dried in vacuo 2 ~ 5 hours, temperature is 40 ~ 50 DEG C.
The second aspect of the present invention provides a kind of carragheen, which is using appointing in the first aspect of the present invention
One method that carragheen is extracted from red algae is extracted to obtain.
A kind of method and carragheen for extracting carragheen from red algae of the invention, has the following beneficial effects:
It is of the invention from the method for extracting carragheen in red algae, using extracting through microwave heating, promote colloid in red algae into
Enter in deionized water, is settled out colloid substances subsequently through in the ethanol solution under weak basic condition, not only increases carragheen
Recovery rate, and obtained carragheen is mainly K-type carragheen, and the gel strength of carragheen reaches 2013.1g/cm2。
In addition, the present invention passes through the foreign ions such as the pigment in graphene oxide colloid adsorption and purification filtrate, institute is improved
Obtain the purity of carragheen.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
Graphene oxide colloid is prepared using Hummers method: weighing natural flake graphite piece 5g, being added to 120ml temperature is 0 DEG C
The concentrated sulfuric acid in, constant temperature under the conditions of 0 DEG C, be added 2.5g sodium nitrate, stirring after twenty minutes be added 20g potassium permanganate, Yu Wendu
It is stirred 20 minutes under the conditions of 30 DEG C, obtains mixed solution；Mixed solution is warming up to 50 DEG C, 300ml is added into the mixed solution
Deionized water, and keep the temperature 15 minutes at a temperature of 100 DEG C, after the dilution of 20ml deionized water is added, 30% hydrogen peroxide be added dropwise extremely
Solution becomes glassy yellow, is ultrasonically treated 10 minutes, stands 12 hours, outwells supernatant liquor, adds the hydrochloric acid that concentration is 10%,
Ultrasonic treatment 20 minutes stands 12 hours, outwells supernatant liquor, and 200ml deionized water is added, and is ultrasonically treated 20 minutes, stands 8
Hour, supernatant liquor is outwelled, repetition is washed with deionized, and until standing layering does not occur, graphite oxide is obtained by filtration
Alkene colloid.
The extraction of K-type carragheen:
It is impregnated red algae Eucheuma 24 hours using deionized water, so that red algae Eucheuma complete swelling.By soaked red algae
Eucheuma is put into the KOH solution that pH value is 7 and carries out alkali process, and the mass ratio of KOH solution and red algae Eucheuma is 5:1, at alkali
Managing temperature is 50 DEG C, and the processing time is 1 hour.
The above-mentioned red algae Eucheuma after alkali process is put into deionized water, wherein deionized water with treated
The mass ratio of red algae Eucheuma is 10:1；Using frequency is the temperature of the microwave heating of the 150MHz deionized water to 80 DEG C,
After handling 1 hour at this temperature, filtrate is obtained by filtration.
The pH value that hydrochloric acid conditioning solution is added into filtrate obtained above is 5, and the oxidation stone of aforementioned preparation is then added
Black alkene colloid carries out purification process 2 hours, wherein the mass ratio of filtrate and graphene oxide colloid is 1:1, and purifying is obtained by filtration
Filtrate afterwards.
It is 7 that NaOH is added into filtrate after purification and adjusts the pH value of solution, and heated solution is preparatory to being added after 50 DEG C
Be adjusted to pH value be 8 50%(volumetric concentration) ethanol solution, processing 1 hour after, carragheen product is obtained by filtration.
Through detecting, carragheen product obtained above is K-type carragheen, and color is white.
By carragheen product obtained above vacuum degree be -0.01MPa, temperature be 40 DEG C at carry out vacuum drying treatment
5 hours, obtain carragheen.
Through detecting, the gel strength of carragheen obtained above is 1785g/cm2, viscosity 120cp；In red algae Eucheuma
The recovery rate of K-type carragheen is 90.2%.
Embodiment 2
Graphene oxide colloid is prepared using the method for embodiment 1.
The extraction of K-type carragheen:
It is impregnated red algae Eucheuma 24 hours using deionized water, so that red algae Eucheuma complete swelling.By soaked red algae
Eucheuma is put into the KOH solution that pH value is 8 and carries out alkali process, and the mass ratio of KOH solution and red algae Eucheuma is 10:1, at alkali
Managing temperature is 60 DEG C, and the processing time is 2 hours.
The above-mentioned red algae Eucheuma after alkali process is put into deionized water, wherein deionized water with treated
The mass ratio of red algae Eucheuma is 10:1；Using frequency is the temperature of the microwave heating of the 200MHz deionized water to 90 DEG C,
After handling 2 hours at this temperature, filtrate is obtained by filtration.
The pH value that hydrochloric acid conditioning solution is added into filtrate obtained above is 5.5, and the oxidation of aforementioned preparation is then added
Graphene colloid carries out purification process 3 hours, wherein the mass ratio of filtrate and graphene oxide colloid is 1:2, is obtained by filtration pure
Filtrate after change.
It is 8 that NaOH is added into filtrate after purification and adjusts the pH value of solution, and heated solution is preparatory to being added after 60 DEG C
Be adjusted to pH value be 9 30%(volumetric concentration) ethanol solution, processing 2 hours after, carragheen product is obtained by filtration.
Through detecting, carragheen product obtained above is K-type carragheen, and color is white.
By carragheen product obtained above vacuum degree be -0.03MPa, temperature be 50 DEG C at carry out vacuum drying treatment
3 hours, obtain carragheen.
Through detecting, the gel strength of carragheen obtained above is 1923g/cm2, viscosity 150cp；In red algae Eucheuma
The recovery rate of K-type carragheen is 92.4%.
Embodiment 3
Graphene oxide colloid is prepared using the method for embodiment 1.
The extraction of K-type carragheen:
It is impregnated red algae Eucheuma 24 hours using deionized water, so that red algae Eucheuma complete swelling.By soaked red algae
Eucheuma, which is put into the KOH solution that pH value is 7.5, carries out alkali process, and the mass ratio of KOH solution and red algae Eucheuma is 20:1, alkali
Treatment temperature is 80 DEG C, and the processing time is 1.5 hours.
The above-mentioned red algae Eucheuma after alkali process is put into deionized water, wherein deionized water with treated
The mass ratio of red algae Eucheuma is 15:1；Using frequency is the temperature of the microwave heating of the 300MHz deionized water to 100 DEG C,
After handling 3 hours at this temperature, filtrate is obtained by filtration.
The pH value that hydrochloric acid conditioning solution is added into filtrate obtained above is 6, and the oxidation stone of aforementioned preparation is then added
Black alkene colloid carries out purification process 4 hours, wherein the mass ratio of filtrate and graphene oxide colloid is 1:2, and purifying is obtained by filtration
Filtrate afterwards.
It is 8 that NaOH is added into filtrate after purification and adjusts the pH value of solution, and heated solution is preparatory to being added after 60 DEG C
Be adjusted to pH value be 9 70%(volumetric concentration) ethanol solution, processing 1 hour after, carragheen product is obtained by filtration.
Through detecting, carragheen product obtained above is K-type carragheen, and color is white.
By carragheen product obtained above vacuum degree be -0.05MPa, temperature be 50 DEG C at carry out vacuum drying treatment
2 hours, obtain carragheen.
Through detecting, the gel strength of carragheen obtained above is 2013.1g/cm2, viscosity 185cp；Red algae Eucheuma
The recovery rate of middle K-type carragheen is 92.8%.
Comparative example 1
Carragheen is extracted from red algae Eucheuma using the method for embodiment 3, the difference is that, (1) is gone using electric heating
The temperature of ionized water is to 100 DEG C.(2) it is obtained by filtration after filtrate, the pH value that NaOH adjusts solution is added directly into the filtrate
It is 8, and heated solution is pre-adjusted the 70%(volumetric concentration for being 9 to pH value to being added after 60 DEG C) ethanol solution, it handles 1 hour
Afterwards, carragheen product is obtained by filtration.
Through detecting, carragheen product obtained above is K-type carragheen, and color is brown.The gel strength of carragheen is
1125g/cm2, viscosity 105cp；The recovery rate of K-type carragheen is 82.1% in red algae Eucheuma.
To sum up, of the invention from the method for extracting carragheen in red algae, using extracting through microwave heating, promote in red algae
Colloid enter in deionized water, be settled out colloid substances subsequently through in the ethanol solution under weak basic condition, not only improve
The recovery rate of carragheen, and obtained carragheen is mainly K-type carragheen, and the gel strength of carragheen reaches
2013.1g/cm2。
In addition, the present invention passes through the foreign ions such as the pigment in graphene oxide colloid adsorption and purification filtrate, institute is improved
Obtain the purity of carragheen.
Above description sufficiently discloses a specific embodiment of the invention.It should be pointed out that being familiar with the field
Range of any change that technical staff does a specific embodiment of the invention all without departing from claims of the present invention.
Correspondingly, the scope of the claims of the invention is also not limited only to previous embodiment.
Claims (8)
1. a kind of method for extracting carragheen from red algae, which is characterized in that the described method includes:
Soaked red algae raw material is put into the alkaline aqueous solution that pH value is 7 ~ 8 and carries out alkali process, the alkaline aqueous solution with
The mass ratio of the red algae raw material is 5 ~ 20:1, the red algae raw material that obtains that treated；
Treated that red algae raw material is put into deionized water by described, using the temperature of deionized water described in microwave heating to 80 ~
After 100 DEG C, processing 1 ~ 3 hour, filtrate is obtained by filtration；
By the filtrate at a temperature of 50 ~ 60 DEG C, the ethanol solution that pH value is 8 ~ 9 is added and is obtained by filtration after processing 1 ~ 2 hour
The carragheen.
2. a kind of method for extracting carragheen from red algae according to claim 1, which is characterized in that the alkali process
Temperature is 50 ~ 80 DEG C, and the processing time is 1 ~ 2 hour.
3. a kind of method for extracting carragheen from red algae according to claim 1, which is characterized in that the deionized water
Mass ratio with treated the red algae raw material is 10 ~ 15:1.
4. a kind of method for extracting carragheen from red algae according to claim 1, which is characterized in that described by the filter
Liquid is added the ethanol solution that pH value is 8 ~ 9 and the carragheen packet is obtained by filtration after processing 1 ~ 2 hour at a temperature of 50 ~ 60 DEG C
It includes:
Into the filtrate be added acid medium be adjusted to pH value be 5 ~ 6 after, be added graphene oxide colloid carry out purification process 2
~ 4 hours, filtrate after purification is then obtained by filtration；
The pH value of the filtrate after purification is adjusted to 7 ~ 8, after being heated to 50 ~ 60 DEG C, it is molten that the ethyl alcohol that pH value is 8 ~ 9 is added
Liquid handles 1 ~ 2 hour, the carragheen is obtained by filtration.
5. a kind of method for extracting carragheen from red algae according to claim 4, which is characterized in that the filtrate and institute
The mass ratio for stating graphene oxide colloid is 1:(1 ~ 2).
6. a kind of method for extracting carragheen from red algae according to claim 4, which is characterized in that the graphite oxide
Alkene colloid is prepared using Hummers method.
7. a kind of method for extracting carragheen from red algae according to claim 1, which is characterized in that the method is also wrapped
It includes:
Vacuum drying treatment, the condition of the vacuum drying treatment are as follows: vacuum are carried out to the carragheen being obtained by filtration
- 0.01 ~ -0.05MPa is spent, is dried in vacuo 2 ~ 5 hours, temperature is 40 ~ 50 DEG C.
8. a kind of carragheen, which is characterized in that using the described in any item sides for extracting carragheen from red algae of claim 1 ~ 7
The carragheen that method is extracted.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111700266A (en) * | 2020-06-09 | 2020-09-25 | 邱涛 | Refined carrageenan and preparation method and application thereof |
| CN116003644A (en) * | 2022-09-15 | 2023-04-25 | 集美大学 | Alkali extraction method for extracting kappa-carrageenan from red algae |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111700266A (en) * | 2020-06-09 | 2020-09-25 | 邱涛 | Refined carrageenan and preparation method and application thereof |
| CN116003644A (en) * | 2022-09-15 | 2023-04-25 | 集美大学 | Alkali extraction method for extracting kappa-carrageenan from red algae |
| CN116003644B (en) * | 2022-09-15 | 2024-03-29 | 集美大学 | Alkali extraction method for extracting kappa-carrageenan from red algae |
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