CN111700266A - Refined carrageenan and preparation method and application thereof - Google Patents
Refined carrageenan and preparation method and application thereof Download PDFInfo
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- CN111700266A CN111700266A CN202010518258.6A CN202010518258A CN111700266A CN 111700266 A CN111700266 A CN 111700266A CN 202010518258 A CN202010518258 A CN 202010518258A CN 111700266 A CN111700266 A CN 111700266A
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- carrageenan
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- eucheuma
- dilution
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- 239000000679 carrageenan Substances 0.000 title claims abstract description 112
- 235000010418 carrageenan Nutrition 0.000 title claims abstract description 112
- 229940113118 carrageenan Drugs 0.000 title claims abstract description 112
- 229920001525 carrageenan Polymers 0.000 title claims abstract description 112
- 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 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000011282 treatment Methods 0.000 claims abstract description 94
- 238000000034 method Methods 0.000 claims abstract description 66
- 239000000243 solution Substances 0.000 claims abstract description 49
- 241001428166 Eucheuma Species 0.000 claims abstract description 38
- 238000001035 drying Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000010790 dilution Methods 0.000 claims abstract description 24
- 239000012895 dilution Substances 0.000 claims abstract description 24
- 239000003513 alkali Substances 0.000 claims abstract description 23
- 238000005185 salting out Methods 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000000265 homogenisation Methods 0.000 claims abstract description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 22
- 239000000706 filtrate Substances 0.000 claims description 11
- 239000001103 potassium chloride Substances 0.000 claims description 11
- 235000011164 potassium chloride Nutrition 0.000 claims description 11
- 238000003113 dilution method Methods 0.000 claims description 8
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009835 boiling Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 239000010451 perlite Substances 0.000 description 4
- 235000019362 perlite Nutrition 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
- A23L29/206—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin
- A23L29/256—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin from seaweeds, e.g. alginates, agar or carrageenan
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/30—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
- A23L5/34—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation using microwaves
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention discloses a fine carrageenan and a preparation method and application thereof, belonging to the deep processing technology of agricultural products. The preparation method of the refined carrageenan takes eucheuma as a raw material and comprises the working procedures of alkali treatment, microwave treatment, homogenization, dilution, filtration, salting out, squeezing, drying and crushing, and specifically comprises the following steps: placing the eucheuma subjected to the alkali treatment process at the temperature of 70-100 ℃ for microwave treatment to obtain the microwave-treated eucheuma; placing the eucheuma subjected to microwave treatment in hot water at 50-100 ℃ for homogenization treatment to obtain a carrageenan solution; and adding water into the carrageenan solution for dilution treatment, cooling the carrageenan solution to 30-90 ℃, and then adding a filter aid to obtain the diluted carrageenan solution. According to the method, the alkali-treated Eucheuma raw material is subjected to microwave treatment, so that the heating amount for extracting the carrageenan can be reduced, the heat energy consumed in the process of boiling the carrageenan in the traditional process can be greatly saved, and the production cost is reduced.
Description
Technical Field
The invention relates to an agricultural product deep processing technology, in particular to a fine carrageenan and a preparation method and application thereof.
Background
Most of the processes for producing fine carrageenan in the prior industry comprise: the method comprises the following steps of cleaning, alkali treatment, gum boiling, filtering, cooling, salting out (alcohol precipitation), squeezing, slicing, drying, ultra-low temperature crushing and the like, wherein the gum boiling and cooling steps in industrial production are conventional production methods of all production enterprises, but the energy consumption of the gum boiling and cooling steps is high, so that the existing method for generating the fine carrageenan has the problem of high generation cost.
Therefore, a preparation method of refined carrageenan capable of reducing production energy consumption is urgently needed to be found.
Disclosure of Invention
The embodiment of the invention aims to provide a preparation method of fine carrageenan, so as to solve the problems in the background technology.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a method for preparing refined carrageenan takes eucheuma as a raw material and comprises an alkali treatment process, a dilution process, a filtering process, a salting-out process, a squeezing process, a drying process and a crushing process, wherein a microwave treatment process and a homogenization process are further included between the alkali treatment process and the dilution process, and the microwave treatment process, the homogenization process and the dilution process respectively comprise the following steps:
a microwave treatment process: placing the eucheuma subjected to the alkali treatment process at the temperature of 70-100 ℃ for microwave treatment to obtain the microwave-treated eucheuma;
homogenizing: placing the eucheuma subjected to microwave treatment in hot water at 50-100 ℃ for homogenization treatment to obtain a carrageenan solution;
a dilution step: and adding water into the carrageenan solution for dilution treatment, cooling the carrageenan solution to 30-90 ℃, and then adding a filter aid to obtain the diluted carrageenan solution.
In a preferred embodiment of the present invention, in the microwave treatment step, the microwave frequency of the microwave treatment is 300MHz to 3000GHz, and the microwave power of the microwave treatment is 100 to 10000W.
In another preferable embodiment of the present invention, in the homogenizing step, the mass of the Eucheuma after the hot water and microwave treatment is (1-25): 1.
In another preferable embodiment of the present invention, the dilution process is performed by a dilution factor of 2 to 150.
As another preferable scheme of the embodiment of the invention, the mass percentage concentration of the filter aid in the diluted carrageenan solution is 0.2-3%; the filter aid can be the existing filter aids such as perlite.
As another preferable mode of the embodiment of the present invention, the filtering step, the salting-out step, the pressing step, the drying step, and the pulverizing step each include the steps of:
a filtering process: filtering the diluted carrageenan solution to obtain filtrate;
a salting-out process: controlling the temperature of the filtrate to be below 30-50 ℃, and performing salting-out treatment by using a potassium chloride solution to obtain carrageenan to be squeezed;
a squeezing procedure: squeezing the carrageenan to be squeezed to obtain squeezed carrageenan;
and (3) drying: slicing the squeezed carrageenan, and then performing microwave drying treatment to obtain dried carrageenan;
a crushing procedure: and crushing the dried carrageenan to obtain the fine carrageenan.
As another preferable scheme of the embodiment of the present invention, the mass percentage concentration of potassium chloride in the potassium chloride solution is 2% to 10%.
As another preferable scheme of the embodiment of the present invention, in the drying process, the microwave frequency of the microwave drying treatment is 300MHz to 3000GHz, the microwave power of the microwave drying treatment is 100 to 10000W, and the temperature of the microwave drying treatment is 70 to 100 ℃.
The other purpose of the embodiment of the invention is to provide a refined carrageenan prepared by the preparation method.
The embodiment of the invention also aims to provide an application of the refined carrageenan in food processing.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
according to the preparation method of the refined carrageenan, provided by the embodiment of the invention, the alkali-treated Eucheuma raw material is subjected to microwave treatment, so that the heating amount for extracting the carrageenan can be reduced, the heat energy required by the traditional process for boiling the carrageenan can be greatly saved, and the purposes of reducing the production cost and improving the economic benefit are achieved.
In addition, the invention adopts a drying mode of microwave treatment, can not only utilize the thermal effect of the microwave to cure the eucheuma, but also utilize the non-thermal effect of the microwave to kill microorganisms, thereby killing two birds with one stone.
In addition, in the dilution process, the temperature of the carrageenan solution can be reduced by adding water for dilution, and external cooling equipment is not needed for cooling, so that the generation energy consumption and the cost can be reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a preparation method of fine carrageenan, which comprises the following steps:
(1) a cleaning procedure: eucheuma is selected as a raw material, and is cleaned to remove impurities such as silt.
(2) An alkali treatment step: and (3) putting the washed eucheuma in an alkali treatment pool containing a potassium hydroxide solution for alkali treatment.
(3) A microwave treatment process: subjecting Eucheuma subjected to alkali treatment to microwave treatment at 90 deg.C for 8min to obtain microwaved Eucheuma. Wherein the microwave frequency of the microwave treatment is 300MHz, and the microwave power of the microwave treatment is 600W.
(4) Homogenizing: placing the above microwaved Eucheuma Gelatinosum in 50 deg.C hot water, and homogenizing with homogenizer or blender to obtain carrageenan solution. Wherein the mass ratio of the hot water to the eucheuma treated by microwave is 25: 1.
(5) A dilution step: and adding water into the carrageenan solution for dilution treatment, cooling the carrageenan solution to 30 ℃, and then adding a filter aid to obtain the diluted carrageenan solution. Wherein the dilution multiple of the dilution treatment is 2 times; the mass percent concentration of the filter aid in the diluted carrageenan solution is 0.2%; the filter aid can be perlite.
(6) A filtering process: and filtering the diluted carrageenan solution by using a filter, and then washing the residual gum solution by using steam or hot water to obtain filtrate.
(7) A salting-out process: controlling the temperature of the filtrate below 30 ℃, and performing salting-out treatment by using a potassium chloride solution with the mass percentage concentration of 2% to obtain the carrageenan to be squeezed.
(8) A squeezing procedure: and squeezing the carrageenan to be squeezed by using a plate and frame filter to obtain the squeezed carrageenan.
(9) And (3) drying: slicing the squeezed carrageenan to obtain a rubber strip with the size of 0.5cm, and performing microwave drying treatment for 180min by using a microwave dryer to obtain dried carrageenan; wherein the microwave frequency of the microwave drying treatment is 300MHz, the microwave power of the microwave drying treatment is 100W, and the temperature of the microwave drying treatment is 70 ℃.
(10) A crushing procedure: and (3) crushing the dried carrageenan by a crusher to obtain the fine carrageenan.
Example 2
The embodiment provides a preparation method of fine carrageenan, which comprises the following steps:
(1) a cleaning procedure: eucheuma is selected as a raw material, and is cleaned to remove impurities such as silt.
(2) An alkali treatment step: and (3) putting the washed eucheuma in an alkali treatment pool containing sodium hydroxide and potassium chloride solution for alkali treatment.
(3) A microwave treatment process: placing Eucheuma subjected to alkali treatment at 100 deg.C for microwave treatment for 2 min to obtain microwaved Eucheuma. Wherein the microwave frequency of the microwave treatment is 3000GHz, and the microwave power of the microwave treatment is 10000W.
(4) Homogenizing: placing the above microwaved Eucheuma Gelatinosum in 100 deg.C hot water, and homogenizing with homogenizer or stirrer to obtain carrageenan solution. Wherein the mass ratio of the hot water to the eucheuma treated by microwave is 1: 1.
(5) A dilution step: and adding water into the carrageenan solution for dilution treatment, cooling the carrageenan solution to 90 ℃, and then adding a filter aid to obtain the diluted carrageenan solution. Wherein the dilution multiple of the dilution treatment is 150 times; the mass percent concentration of the filter aid in the diluted carrageenan solution is 3%; the filter aid can be perlite.
(6) A filtering process: and filtering the diluted carrageenan solution by using a filter, and then washing the residual gum solution by using steam or hot water to obtain filtrate.
(7) A salting-out process: controlling the temperature of the filtrate below 50 ℃, and performing salting-out treatment by using a potassium chloride solution with the mass percentage concentration of 10% to obtain the carrageenan to be squeezed.
(8) A squeezing procedure: and squeezing the carrageenan to be squeezed by using a plate and frame filter to obtain the squeezed carrageenan.
(9) And (3) drying: slicing the squeezed carrageenan to obtain a rubber strip with the size of 0.5cm, and performing microwave drying treatment for 10min by using a microwave dryer to obtain dried carrageenan; wherein the microwave frequency of the microwave drying treatment is 3000GHz, the microwave power of the microwave drying treatment is 10000W, and the temperature of the microwave drying treatment is 100 ℃.
(10) A crushing procedure: and (3) crushing the dried carrageenan by a crusher to obtain the fine carrageenan.
Example 3
The embodiment provides a preparation method of fine carrageenan, which comprises the following steps:
(1) a cleaning procedure: eucheuma is selected as a raw material, and is cleaned to remove impurities such as silt.
(2) An alkali treatment step: and (3) putting the washed eucheuma in an alkali treatment pool containing sodium hydroxide and potassium chloride solution for alkali treatment.
(3) A microwave treatment process: subjecting Eucheuma subjected to alkali treatment to microwave treatment at 80 deg.C for 20 min to obtain microwaved Eucheuma. Wherein the microwave frequency of the microwave treatment is 1000GHz, and the microwave power of the microwave treatment is 5000W.
(4) Homogenizing: placing the Eucheuma Gelatinosum treated by microwave in hot water of 60 deg.C, and homogenizing with homogenizer or stirrer to obtain carrageenan solution. Wherein the mass ratio of the hot water to the eucheuma treated by microwave is 15: 1.
(5) A dilution step: and adding water into the carrageenan solution for dilution treatment, cooling the carrageenan solution to 50 ℃, and then adding a filter aid to obtain the diluted carrageenan solution. Wherein the dilution multiple of the dilution treatment is 50 times; the mass percent concentration of the filter aid in the diluted carrageenan solution is 2%; the filter aid can be perlite.
(6) A filtering process: and filtering the diluted carrageenan solution by using a filter, and then washing the residual gum solution by using steam or hot water to obtain filtrate.
(7) A salting-out process: controlling the temperature of the filtrate below 40 ℃, and performing salting-out treatment by using a potassium chloride solution with the mass percentage concentration of 5% to obtain the carrageenan to be squeezed.
(8) A squeezing procedure: and squeezing the carrageenan to be squeezed by using a plate and frame filter to obtain the squeezed carrageenan.
(9) And (3) drying: slicing the squeezed carrageenan to obtain a rubber strip with the size of 0.5cm, and performing microwave drying treatment for 60min by using a microwave dryer to obtain dried carrageenan; wherein the microwave frequency of the microwave drying treatment is 1000GHz, the microwave power of the microwave drying treatment is 5000W, and the temperature of the microwave drying treatment is 80 ℃.
(10) A crushing procedure: and (3) crushing the dried carrageenan by a crusher to obtain the fine carrageenan.
Experimental example:
according to the preparation method provided in example 3, 2 groups of eucheuma are respectively selected as raw materials to be extracted by carrageenan, and various performance indexes of the prepared refined carrageenan are tested, and the test results are shown in the following table 1.
TABLE 1
As can be seen from table 1 above, the preparation method provided in the embodiment of the present invention can prepare high-quality carrageenan.
In addition, according to the traditional preparation method of the refined carrageenan comprising the steps of boiling and cooling, one ton of the refined carrageenan needs to be heated to 15-50 times of water to more than 95 ℃, the amount of hot water (more than 95 ℃) of about 67-210 tons is needed to digest eucheuma, the steam consumption is 50-157 tons, the cost is about 1-3 ten thousand yuan, and the refined carrageenan accounts for 15-30% of the total production cost of the carrageenan. In contrast, by using the preparation method of the refined carrageenan provided by the embodiment of the invention to produce one ton of the refined carrageenan, 4-5 tons of eucheuma are cooked by microwave heating, the power consumption is 412-1515 degrees, and the cost is about 0.04-0.15 ten thousand yuan; in addition, only 5-10 tons of hot water (above 95 ℃) and dilution water need to be heated, the steam consumption is 3-6 tons, the cost is about 0.075-0.150 ten thousand yuan, the total cost is about 0.135-0.3 ten thousand yuan, and the total cost accounts for 1.5-4% of the total cost of the carrageenan. In addition, the traditional preparation method needs to be provided with additional cooling equipment for large-scale production so as to timely cool 67-210 tons of filtrate from about 75 ℃ to below 40 ℃ for salting out, and the cost is about 1-1.5 ten thousand yuan (per ton of fine carrageenan). Therefore, compared with the traditional preparation method, the preparation method provided by the embodiment of the invention can greatly reduce the production cost of the refined carrageenan.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A method for preparing refined carrageenan by using eucheuma as a raw material comprises an alkali treatment process, a dilution process, a filtering process, a salting-out process, a squeezing process, a drying process and a crushing process, and is characterized in that a microwave treatment process and a homogenization process are further included between the alkali treatment process and the dilution process, and the microwave treatment process, the homogenization process and the dilution process respectively comprise the following steps:
a microwave treatment process: placing the eucheuma subjected to the alkali treatment process at the temperature of 70-100 ℃ for microwave treatment to obtain the microwave-treated eucheuma;
homogenizing: placing the eucheuma subjected to microwave treatment in hot water at 50-100 ℃ for homogenization treatment to obtain a carrageenan solution;
a dilution step: and adding water into the carrageenan solution for dilution treatment, cooling the carrageenan solution to 30-90 ℃, and then adding a filter aid to obtain the diluted carrageenan solution.
2. The method for preparing refined carrageenan according to claim 1, wherein in the microwave treatment step, the microwave frequency of the microwave treatment is 300MHz to 3000GHz, and the microwave power of the microwave treatment is 100 to 10000W.
3. The preparation method of refined carrageenan according to claim 1, wherein in the homogenizing step, the mass of the eucheuma treated by hot water and microwave is (1-25): 1.
4. The method for preparing refined carrageenan according to claim 1, wherein in the dilution step, the dilution factor of the dilution treatment is 2-150 times.
5. The method for preparing refined carrageenan according to claim 1, wherein the concentration of the filter aid in the diluted carrageenan solution is 0.2-3% by mass.
6. The method for preparing refined carrageenan according to claim 1, wherein the filtering process, salting out process, squeezing process, drying process and pulverizing process respectively comprise the following steps:
a filtering process: filtering the diluted carrageenan solution to obtain filtrate;
a salting-out process: controlling the temperature of the filtrate to be below 30-50 ℃, and performing salting-out treatment by using a potassium chloride solution to obtain carrageenan to be squeezed;
a squeezing procedure: squeezing the carrageenan to be squeezed to obtain squeezed carrageenan;
and (3) drying: slicing the squeezed carrageenan, and then performing microwave drying treatment to obtain dried carrageenan;
a crushing procedure: and crushing the dried carrageenan to obtain the fine carrageenan.
7. The preparation method of refined carrageenan according to claim 6, wherein the mass percentage concentration of potassium chloride in the potassium chloride solution is 2-10%.
8. The method for preparing refined carrageenan according to claim 6, wherein in the drying step, the microwave frequency of the microwave drying treatment is 300 MHz-3000 GHz, the microwave power of the microwave drying treatment is 100-10000W, and the temperature of the microwave drying treatment is 70-100 ℃.
9. A fine carrageenan prepared by the preparation method according to any one of claims 1 to 8.
10. The use of the premium carrageenan of claim 9 in food processing.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125732A (en) * | 1994-12-26 | 1996-07-03 | 王建国 | Filtering process and device for seaweed gum production |
| CN102344499A (en) * | 2010-07-30 | 2012-02-08 | 中国科学院海洋研究所 | Method for preparing Iota-carrageenan |
| CN102585025A (en) * | 2012-02-05 | 2012-07-18 | 中国海洋大学 | Preparation method for low-sulfate-group low-viscosity carrageenan |
| CN104804105A (en) * | 2015-04-08 | 2015-07-29 | 成都郫县新星成明食品研究所 | Method for preparing carrageenan according to ceramic membrane filtration method |
| CN109705230A (en) * | 2018-12-24 | 2019-05-03 | 江苏辰星药业股份有限公司 | A kind of method and carragheen for extracting carragheen from red algae |
-
2020
- 2020-06-09 CN CN202010518258.6A patent/CN111700266A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125732A (en) * | 1994-12-26 | 1996-07-03 | 王建国 | Filtering process and device for seaweed gum production |
| CN102344499A (en) * | 2010-07-30 | 2012-02-08 | 中国科学院海洋研究所 | Method for preparing Iota-carrageenan |
| CN102585025A (en) * | 2012-02-05 | 2012-07-18 | 中国海洋大学 | Preparation method for low-sulfate-group low-viscosity carrageenan |
| CN104804105A (en) * | 2015-04-08 | 2015-07-29 | 成都郫县新星成明食品研究所 | Method for preparing carrageenan according to ceramic membrane filtration method |
| CN109705230A (en) * | 2018-12-24 | 2019-05-03 | 江苏辰星药业股份有限公司 | A kind of method and carragheen for extracting carragheen from red algae |
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Application publication date: 20200925 |
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