CN113940398A - Method and device for concentrating carrot juice - Google Patents
Method and device for concentrating carrot juice Download PDFInfo
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- CN113940398A CN113940398A CN202111111734.3A CN202111111734A CN113940398A CN 113940398 A CN113940398 A CN 113940398A CN 202111111734 A CN202111111734 A CN 202111111734A CN 113940398 A CN113940398 A CN 113940398A
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- 235000015190 carrot juice Nutrition 0.000 title claims abstract description 165
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000012528 membrane Substances 0.000 claims abstract description 37
- 239000012141 concentrate Substances 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 239000004695 Polyether sulfone Substances 0.000 claims description 3
- 229920006393 polyether sulfone Polymers 0.000 claims description 3
- 238000001471 micro-filtration Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 239000000126 substance Substances 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 235000015097 nutrients Nutrition 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000002834 transmittance Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 37
- 238000001704 evaporation Methods 0.000 description 11
- 230000008020 evaporation Effects 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229930003270 Vitamin B Natural products 0.000 description 4
- 230000003203 everyday effect Effects 0.000 description 4
- 235000019156 vitamin B Nutrition 0.000 description 4
- 239000011720 vitamin B Substances 0.000 description 4
- 244000000626 Daucus carota Species 0.000 description 3
- 235000002767 Daucus carota Nutrition 0.000 description 3
- UPYKUZBSLRQECL-UKMVMLAPSA-N Lycopene Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1C(=C)CCCC1(C)C)C=CC=C(/C)C=CC2C(=C)CCCC2(C)C UPYKUZBSLRQECL-UKMVMLAPSA-N 0.000 description 3
- 150000001746 carotenes Chemical class 0.000 description 3
- 235000005473 carotenes Nutrition 0.000 description 3
- 239000000796 flavoring agent Substances 0.000 description 3
- 235000019634 flavors Nutrition 0.000 description 3
- NCYCYZXNIZJOKI-UHFFFAOYSA-N vitamin A aldehyde Natural products O=CC=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C NCYCYZXNIZJOKI-UHFFFAOYSA-N 0.000 description 3
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 229930003268 Vitamin C Natural products 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 235000013734 beta-carotene Nutrition 0.000 description 2
- 239000011648 beta-carotene Substances 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920001277 pectin Polymers 0.000 description 2
- 235000010987 pectin Nutrition 0.000 description 2
- 239000001814 pectin Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000019154 vitamin C Nutrition 0.000 description 2
- 239000011718 vitamin C Substances 0.000 description 2
- OENHQHLEOONYIE-JLTXGRSLSA-N β-Carotene Chemical compound CC=1CCCC(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C OENHQHLEOONYIE-JLTXGRSLSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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Images
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
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/02—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation containing fruit or vegetable juices
- A23L2/08—Concentrating or drying of juices
- A23L2/082—Concentrating or drying of juices by membrane processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
-
- 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
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Non-Alcoholic Beverages (AREA)
Abstract
The invention belongs to the technical field of carrot juice production, and particularly relates to a carrot juice concentration method and a carrot juice concentration device. The method for concentrating carrot juice comprises the following steps: concentrating carrot juice with high pressure membrane to obtain carrot juice concentrate and carrot juice dialysate; the concentration temperature is 30-40 ℃, and the concentration pressure is 2-10 MPa. The invention can remove water in the carrot juice by performing high-pressure membrane concentration on the carrot juice, enrich main nutrient substances of the carrot juice, improve the product purity of the carrot juice, increase the production additional value, reduce the production cost and avoid phase change. The obtained carrot juice dialysate has the advantages of reduced impurity content, improved light transmittance, direct biochemical treatment, energy saving and environmental protection.
Description
Technical Field
The invention belongs to the technical field of carrot juice production, and particularly relates to a carrot juice concentration method and a carrot juice concentration device.
Background
The carrot juice is a nutrient juice rich in carotene, and each 100ml of carrot juice contains about 0.6 g of protein, 0.3 g of fat, 7.6-8.3 g of saccharides, 0.6 mg of iron, 1.35-17.25 mg of provitamin A (carotene), 10.02-0.04 mg of vitamin B, 20.04-0.05 mg of vitamin B and 12 mg of vitamin C, and also contains various substances such as pectin, starch, inorganic salt, various amino acids and the like. In the conventional process of producing carrot juice, carrot juice with the sugar degree of about 5 percent needs to be concentrated to a higher sugar degree in a reduced pressure evaporation mode, and the moisture is reduced so as to be convenient for storage and transportation. Since carrot juice is a heat-sensitive liquid, the original flavor of carrot juice can be changed in the process of reduced pressure evaporation and concentration, so that the quality of finished products is influenced. How to remove water in carrot juice and increase the carrot juice to a higher level to improve the product quality is an urgent problem to be solved in the carrot juice production industry.
Disclosure of Invention
The invention aims to provide a method for concentrating carrot juice, which can remove water in the carrot juice, enrich main nutrient substances of the carrot juice, increase the carrot juice to a higher level, ensure that the feed liquid has no phase change, improve the product quality and reduce the cost.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a method for concentrating carrot juice, which comprises the following steps:
concentrating carrot juice with high pressure membrane to obtain carrot juice concentrate and carrot juice dialysate;
the concentration temperature is 30-40 ℃, and the concentration pressure is 2-10 MPa.
Preferably, before the carrot juice is concentrated, the method also comprises the step of precise filtration; the precision of the precision filtration is 20-50 mu m.
Preferably, after the carrot juice dialysate is obtained, the carrot juice dialysate is subjected to biochemical treatment.
Preferably, the carrot juice comprises carrot juice centrifugate feed liquid.
Preferably, the interception precision of the high-pressure membrane is 10-80 da.
Preferably, the material of the high-pressure film comprises polyether sulfone.
The invention also provides a device for concentrating carrot juice, which comprises a feed tank 1, a feed delivery pump 2, a booster pump 3, a heat exchanger 4, a high-pressure membrane component 5 and a dialysate collection tank 6 which are sequentially connected through pipelines.
The invention provides a method for concentrating carrot juice, which comprises the following steps: concentrating carrot juice with high pressure membrane to obtain carrot juice concentrate and carrot juice dialysate; the concentration temperature is 30-40 ℃, and the concentration pressure is 2-10 MPa. By using the method for concentrating the carrot juice, water in the carrot juice can be removed, main nutrient substances of the carrot juice can be enriched, the product purity of the carrot juice is improved, the production additional value is increased, and the production cost is reduced; the impurity amount generated by concentrating the carrot juice is low, the light transmittance of the carrot juice dialysate is improved, the biochemical treatment can be directly carried out, and the energy conservation and environmental protection are realized.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic view of the connection of the parts of the apparatus for concentrating carrot juice;
FIG. 2 is a diagram showing the state of the carrot juice concentrate obtained in example 1, the carrot juice dialysate obtained in example 1, and the concentrate and dialysate obtained in example 1 after they have been left for 10 days;
FIG. 3 is a view showing the state after the carrot juice obtained in comparative example 1 and the carrot juice obtained in comparative example 1 are left standing for 10 days;
FIG. 4 shows the state of a filtrate obtained by allowing a carrot juice concentrate obtained in example 1 to stand for 10 days;
FIG. 5 shows the state of the filtrate obtained after allowing the carrot juice concentrate obtained in comparative example 1 to stand for 10 days.
Detailed Description
The invention provides a method for concentrating carrot juice, which comprises the following steps: concentrating carrot juice with high pressure membrane to obtain carrot juice concentrate and carrot juice dialysate; the concentration temperature is 30-40 ℃, and the concentration pressure is 2-10 MPa.
The temperature of the high-pressure membrane concentration is preferably 32-38 ℃, and more preferably 35-36 ℃; the concentration pressure is preferably 3 to 7MPa, and more preferably 4 to 6 MPa. The carrot juice contains a large amount of water, the flavor of the carrot juice can be influenced due to direct evaporation, the carrot juice is subjected to high-pressure membrane concentration, and water and other substances are separated under the action of pressure difference of a high-pressure membrane component by adjusting parameters during concentration to obtain carrot concentrated solution and carrot juice dialysate.
Concentrating carrot juice with high pressure membrane to obtain carrot juice concentrate and carrot juice dialysate; the interception precision of the high-pressure membrane is preferably 10-80 da, more preferably 20-70 da, even more preferably 30-50 da, and most preferably 40 da. The effective substances in the carrot concentrated solution obtained by the method have high purity, and can be directly used for producing industrialized carrot juice, so that the subsequent steam usage amount is reduced, and the production added value is increased. The carrot dialysate obtained by the invention has the advantages of reduced impurity content, improved light transmittance, capability of direct biochemical treatment, energy conservation and environmental protection.
In the invention, before the carrot juice is subjected to high-pressure membrane concentration, the carrot juice is preferably subjected to precise filtration. The precision of the microfiltration is preferably 20-50 μm, more preferably 25-45 μm, and even more preferably 30-40 μm. The invention removes visible particles in the carrot juice centrifugate by precise filtration, reduces the turbidity of the feed liquid and prevents the feed liquid from damaging a membrane system in the membrane separation and concentration process.
The invention has no special requirements on the equipment used for the precise filtration, and the precise filter known by the technical personnel in the field can be selected, such as a bag type precise filter or a casting type precise filter.
The carrot juice is obtained by squeezing and centrifuging, and the like, and preferably carrot juice centrifugate feed liquid. In the invention, each 100ml of carrot juice centrifugate feed liquid comprises 0.6 g of protein, 0.3 g of fat, 7.6-8.3 g of saccharides, 0.6 mg of iron, 1.35-17.25 mg of provitamin A (carotene), 10.02-0.04 mg of vitamin B, 20.04-0.05 mg of vitamin B and 12 mg of vitamin C, and additionally contains various substances such as pectin, starch, inorganic salt, various amino acids and the like.
The interception precision of the high-pressure membrane is preferably 10-80 da, more preferably 30-50 da, and even more preferably 40-45 da. The material of the high-pressure film is preferably polyether sulfone.
The invention provides a device for concentrating carrot juice, which comprises a feeding tank 1, a material conveying pump 2, a high-pressure pump 3, a heat exchanger 4, a high-pressure membrane component 5 and a dialysate collecting tank 6 which are sequentially connected through pipelines. The connection of the components of the device according to the invention is shown in detail in fig. 1.
The high pressure membrane MODULE 5 of the present invention is commercially available, preferably using Rochem DT MODULE. When the device is used for concentrating carrot juice, the carrot juice is put into the feeding tank 1, is conveyed by the material conveying pump 2 and the high-pressure pump 3 and is treated by the heat exchanger 4, enters the high-pressure membrane component 5, is separated from other substances under the action of pressure difference between the high-pressure membrane component 5, water and other ineffective components are discharged into the dialysate storage tank 6 through the high-pressure membrane component 5 through a pipeline, and concentrated solution returns to the feeding tank through the pipeline for continuous concentration.
The method has no strict requirement on the number of times of circulating concentration, and the ratio of the volume of the carrot juice put into the feeding tank 1 to the volume of the carrot juice concentrated solution obtained finally is ensured to be 4-5: 1.
In order to further illustrate the present invention, the following detailed description of the method for concentrating carrot juice provided by the present invention is made with reference to the accompanying drawings and examples, which should not be construed as limiting the scope of the present invention.
Example 1
1) Collecting carrot juice centrifugate with sugar content of 5%.
2) Precisely filtering the carrot juice centrifugate liquid obtained in the step 1) (with the precision of 35 μm), enabling the turbidity to be reduced to zero, then feeding the carrot juice centrifugate liquid into a feeding tank, conveying the carrot juice centrifugate liquid to a booster pump through a conveying pump, boosting the carrot juice centrifugate liquid to 3MPa, feeding the carrot juice centrifugate liquid into a high-pressure membrane assembly for high-pressure membrane concentration, wherein the high-pressure membrane concentration operation temperature is 33 ℃, and when the ratio of the volume of the feeding liquid to the volume of the final concentrated liquid is more than 5, obtaining carrot juice concentrated liquid and carrot juice dialysate.
3) The obtained carrot juice dialysate is further processed biochemically.
4) The sugar content of the carrot juice in the carrot juice concentrated solution after high-pressure membrane treatment is 25%, and according to the base number of 600 tons of carrot juice centrifugate liquid per day, 120 tons of finished carrot juice with 25% sugar content are produced per day, thus the added value of production is increased by 1 ten thousand yuan.
5) The obtained carrot juice concentrated solution is concentrated and handed over for subsequent production treatment.
Example 2
1) Collecting carrot juice centrifugate with sugar degree of 4.5%.
2) Precisely filtering the carrot juice centrifugate liquid obtained in the step 1) (with the precision of 30 μm), reducing the turbidity to zero, feeding the carrot juice centrifugate liquid into a feeding tank, conveying the carrot juice centrifugate liquid to a booster pump through a conveying pump, boosting the pressure of the carrot juice centrifugate liquid to 3MPa, feeding the carrot juice centrifugate liquid into a high-pressure membrane assembly for high-pressure membrane concentration, wherein the high-pressure membrane concentration operation temperature is 36 ℃, and operating until the ratio of the volume of the feeding liquid to the volume of the final concentrated liquid is equal to 5 to obtain carrot juice concentrated liquid and carrot juice dialysate.
3) The obtained carrot juice dialysate is further processed biochemically.
4) The sugar content of the carrot juice in the carrot juice concentrated solution after high-pressure membrane treatment is 22.5 percent, 160 tons of finished carrot juice with 22.5 percent of sugar content are produced every day according to the base number of 800 tons of carrot juice centrifugate liquid in each day, and the added value of the production is increased by 1.5 ten thousand yuan.
5) The obtained carrot juice concentrated solution is concentrated and handed over for subsequent production treatment.
Example 3
1) Collecting carrot juice centrifugate with sugar content of 4%.
2) Precisely filtering the carrot juice centrifugate liquid obtained in the step 1) (with the precision of 40 μm), reducing the turbidity to zero, feeding the carrot juice centrifugate liquid into a feeding tank, conveying the carrot juice centrifugate liquid to a booster pump through a conveying pump, boosting the pressure of the carrot juice centrifugate liquid to 3MPa, feeding the carrot juice centrifugate liquid into a high-pressure membrane module for high-pressure membrane concentration, wherein the high-pressure membrane concentration operation temperature is 37 ℃, and operating until the ratio of the volume of the feeding liquid to the volume of the final concentrated liquid is equal to 5 to obtain carrot juice concentrated liquid and carrot juice dialysate.
3) The obtained carrot juice dialysate is further processed biochemically.
4) The sugar content of the carrot juice in the carrot juice concentrated solution after high-pressure membrane treatment is 20%, 200 tons of finished carrot juice with 25% sugar content are produced every day according to the base number of 1000 tons of carrot juice centrifugate liquid material liquid every day, and the production added value is increased by 2 ten thousand yuan in a conversion way.
5) The obtained carrot juice concentrated solution is concentrated and handed over for subsequent production treatment.
Comparative example 1
1) Collecting carrot juice centrifugate with sugar content of 5%.
2) Carrying out reduced pressure evaporation treatment on the carrot juice centrifugate liquid obtained in the step 1), wherein the specific treatment mode is as follows: pouring the obtained carrot juice centrifugal liquid into an evaporation concentration tank, condensing secondary steam by a condenser in a closed environment, and discharging to make the secondary steam in an evaporator become negative pressure.
3) After the reduced pressure evaporation treatment, the sugar content of the carrot juice is 25 percent, and 120 tons of finished carrot juice with 25 percent of sugar content are produced every day according to the base number of 600 tons of carrot juice centrifugate liquid in each day.
Test example 1
The concentration effect of the carrot juice concentrate obtained in example 1 and that of the carrot juice obtained in comparative example 1 by evaporation under reduced pressure were compared with each other using a brix meter. The working principle of the brix meter is that when the brix is used for measurement, light enters from one transparent medium to another transparent medium to generate refraction, which is caused by different speeds of the light in different media. Refractive index refers to the ratio of the speed of light traveling in air to the speed of light traveling in other substances. The refractive index of the sugar solution was measured to obtain the sugar concentration, and the measurement results are shown in table 1 below.
TABLE 1 concentration of carrot juice by different treatment methods
Note: the steam cost is 200 yuan per ton, and the electric energy cost is 0.8 yuan per kw.h.
As can be seen from Table 1, when carrot juice with the same sugar degree is obtained, the scheme of the invention has the advantages of low energy consumption, low production cost, short treatment time and no influence on the flavor of the carrot juice before and after treatment.
Test example 2
1) The carrot juice concentrate obtained in example 1, carrot juice dialysate and carrot juice obtained by reduced pressure evaporation in comparative example 1 were allowed to stand for 10 days, and the states of the solutions were observed, and the results are shown in fig. 2 to 3, in which fig. 2, from left to right, sequentially show the state of the carrot juice concentrate obtained in example 1, the state of the carrot juice dialysate obtained in example 1, the state of the carrot juice concentrate obtained in example 1 after standing for 10 days, and the state of the carrot juice dialysate obtained in example 1 after standing for 10 days; FIG. 3 shows the state of carrot juice obtained in comparative example 1 and the state of carrot juice obtained in comparative example 1 after standing for 10 days, in this order from left to right.
As can be seen from FIGS. 2 to 3, the carrot juice concentrated solution and the carrot juice dialyzate obtained by the method do not demix after standing for 10 days, and the carrot juice obtained by reduced pressure evaporation turns dark and turbid after standing for 10 days.
2) The carrot juice concentrate obtained in example 1 after standing for 10 days and the carrot juice obtained in comparative example 1 after standing for 10 days were filtered through a 10-micron filter paper, and the state of the carrot juice on the filter paper was observed, and the results are shown in FIGS. 4 to 5.
As can be seen from FIGS. 4 to 5, the carrot juice concentrated solution of the present invention was filtered with 10 μm filter paper after standing for 10 days, and the filter paper had no solid precipitate, and black precipitates were formed after the filtration with the carrot juice filter paper after evaporation and concentration under reduced pressure. Compared with reduced pressure evaporation, the invention has the advantage of no phase change.
The embodiments can show that the method provided by the invention can remove water in the carrot juice, enrich main nutrient substances of the carrot juice, improve the purity of the carrot juice product, increase the production added value, reduce the production cost and avoid phase change. The obtained carrot juice dialysate has the advantages of reduced impurity content, improved light transmittance, direct biochemical treatment, energy saving and environmental protection.
Although the above embodiments have been described in detail, they are only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and all of the embodiments belong to the protection scope of the present invention.
Claims (7)
1. A method for concentrating carrot juice comprises the following steps:
concentrating carrot juice with high pressure membrane to obtain carrot juice concentrate and carrot juice dialysate;
the concentration temperature is 30-40 ℃, and the concentration pressure is 2-10 MPa.
2. The method of claim 1, further comprising, prior to concentrating the carrot juice, microfiltration; the precision of the precision filtration is 20-50 mu m.
3. The method of claim 1, further comprising subjecting the carrot juice dialysate to a biochemical treatment after obtaining the carrot juice dialysate.
4. The method of claim 1 wherein the carrot juice comprises a carrot juice centrate solution.
5. The method according to claim 1, wherein the high pressure membrane has a rejection accuracy of 10-80 da.
6. The method according to claim 1 or 5, wherein the material of the high pressure membrane comprises polyethersulfone.
7. A device for concentrating carrot juice is characterized by comprising a feeding tank (1), a material conveying pump (2), a booster pump (3), a heat exchanger (4), a high-pressure membrane assembly (5) and a dialysate collecting tank (6) which are sequentially connected through pipelines.
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| CN202111111734.3A CN113940398A (en) | 2021-09-23 | 2021-09-23 | Method and device for concentrating carrot juice |
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| CN202111111734.3A CN113940398A (en) | 2021-09-23 | 2021-09-23 | Method and device for concentrating carrot juice |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05336938A (en) * | 1992-06-09 | 1993-12-21 | Kagome Co Ltd | Method for highly concentrating carrot juice |
| CN1726824A (en) * | 2005-07-08 | 2006-02-01 | 黑龙江大丰农业科技有限公司 | Technique for producing condensed juice of carrot through low evaporation, and condensed berry with no evaporation |
| CN102093748A (en) * | 2011-01-17 | 2011-06-15 | 重庆海巨农业发展有限公司 | Method for preparing radish red pigment homopolymer and radish proanthocyanidin from red-core radishes |
| CN206447802U (en) * | 2017-01-23 | 2017-08-29 | 同舟纵横（厦门）流体技术有限公司 | A kind of gibberellin high power enrichment facility |
| CN112876396A (en) * | 2021-01-26 | 2021-06-01 | 中华全国供销合作总社济南果品研究院 | Method for preparing concentrated carotene by using rotary ceramic membrane equipment |
-
2021
- 2021-09-23 CN CN202111111734.3A patent/CN113940398A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05336938A (en) * | 1992-06-09 | 1993-12-21 | Kagome Co Ltd | Method for highly concentrating carrot juice |
| CN1726824A (en) * | 2005-07-08 | 2006-02-01 | 黑龙江大丰农业科技有限公司 | Technique for producing condensed juice of carrot through low evaporation, and condensed berry with no evaporation |
| CN102093748A (en) * | 2011-01-17 | 2011-06-15 | 重庆海巨农业发展有限公司 | Method for preparing radish red pigment homopolymer and radish proanthocyanidin from red-core radishes |
| CN206447802U (en) * | 2017-01-23 | 2017-08-29 | 同舟纵横（厦门）流体技术有限公司 | A kind of gibberellin high power enrichment facility |
| CN112876396A (en) * | 2021-01-26 | 2021-06-01 | 中华全国供销合作总社济南果品研究院 | Method for preparing concentrated carotene by using rotary ceramic membrane equipment |
Non-Patent Citations (1)
| Title |
|---|
| 石安富，龚云表主编: "《膜科学技术实用教程》", 上海科学技术出版社, pages: 168 - 96 * |
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