CN108835612A - A kind of method that high temperature low concentration alkali system produces agar - Google Patents
A kind of method that high temperature low concentration alkali system produces agar Download PDFInfo
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- CN108835612A CN108835612A CN201810638527.5A CN201810638527A CN108835612A CN 108835612 A CN108835612 A CN 108835612A CN 201810638527 A CN201810638527 A CN 201810638527A CN 108835612 A CN108835612 A CN 108835612A
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- agar
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- 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
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- 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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- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Edible Seaweed (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of methods that high temperature low concentration alkali system produces agar, comprise the following steps that, a, make netted filtering foil；B is added hydrogen peroxide and is reacted, and adequately stirred using the filtering foil that step a makes by agar dissolution of raw material into weak base mixed solution；C adds water to the reaction solution, increases solution temperature to 120-140 DEG C and keeps being stirred continuously, continues 15-35min, and the acetic acid that a small amount of concentration is 10% is then added and carries out sufficiently reaction mixing, temperature control is in 90-110 DEG C of lasting 20min；D, the solution after reaction is filtered, freezed, be dehydrated and is dried, and then carry out disinfection processing, completes processing.The invention patent passes through carries out the more impurity of physical absorption removal using activated carbon supported on filtering copper foil, while configuring special weak base mixed solution, facilitates catalysis reaction, the efficiency of processing can be improved, entire processing method is simple, and the agar produced is in good taste, is suitable for batch production.
Description
Technical field
The present invention relates to food processing technology field, especially a kind of method that high temperature low concentration alkali system produces agar.
Background technique
Agar is the polysaccharide body by extracting in seaweed, is current one of widest seaweed glue of purposes in the world.It is eating
Many aspects such as product industry, medical industry, daily-use chemical industry, bioengineering have a wide range of applications, and agar is bright for energy in food
The aobvious quality for changing food, improves the class of food.Price is very high.Its feature：With coagulability, stability can be with some objects
Matter forms the physicochemical properties such as complex compound, can be used as thickener, coagulator, suspending agent, emulsifier, antistaling agent and stabilizer.
It is widely used in manufacture orange granule juice and various beverages, jelly, ice cream, cake, soft sweets, can, meat products, mixed congee, tremella swallow
Nest, custard based food, stir-fried food etc. agar can make culture medium, ointment base and other purposes in chemical industry, medical research.
With the fast development of food industry, the demand to the agar of function admirable is also increasingly come urgently, and traditional adds
More food additives are added in work method, not green enough, and traditional processing method is complex, asks for above
Topic, herein it is proposed that a kind of method that high temperature low concentration alkali system produces agar.
Summary of the invention
The present invention is to solve above-mentioned phenomenon, and using the technical solution of following modification, a kind of high temperature low concentration alkali system produces fine jade
The method of rouge, comprises the following steps that,
A makes netted filtering foil, first by suppressing sheet copper foil using roll shaft, by plasma to copper foil into
Row is slight to control thickness, and integral thickness control is punched in 3-15mm, then uniformly, and mesh controls 0.3-0.8mm, uses infusion process
In filter screen foil upper surface load type active carbon；
B is added hydrogen peroxide and is reacted by agar dissolution of raw material into weak base mixed solution, and utilizes step a production
Filtering foil is adequately stirred；
C adds water to the reaction solution, increases solution temperature to 120-140 DEG C and keeps being stirred continuously, continues 15-
Then 35min is added the acetic acid that a small amount of concentration is 10% and carries out sufficiently reaction mixing, temperature control continues at 90-110 DEG C
20min；
D, the solution after reaction is filtered, freezed, be dehydrated and is dried, and then carry out disinfection processing, is completed
Processing.
As present invention further optimization mode, the weak base mixed solution solution weight percentage concentration in 30-45%,
Selective chlorination potassium, sodium phosphate, sodium carbonate, calcium sulfate, potassium nitrate aqueous solution pass through according to 1:0.8:0.7:1.2:1.5 ratio into
Row is prepared by fully mixing.
As present invention further optimization mode, in step c, the revolving speed for first controlling 200r/min-250r/min is carried out
It is stirred processing, controls after addition glacial acetic acid and is stirred under the revolving speed of 350r/min-420r/min.
As present invention further optimization mode, in step d, during being filtered, using silvery sieve into
Row filtering, the production of the silvery sieve include it is as follows, sheet silver foil is suppressed first with roll shaft, by plasma to silver foil
Slight control thickness is carried out, integral thickness is controlled in 8-25mm, and by silver foil surface spraying plating activity in such a way that electromagnetism sputters
Then charcoal is fabricated to the sieve of 200-350 mesh.
As present invention further optimization mode, the agar raw material includes Eucheuma, agar, fragrant plant mentioned in ancient texts, seaweed, sea
One of tongue fur is a variety of.
It as present invention further optimization mode, in step b, needs to process agar raw material, the agar is former
The procedure of processing of material is as follows：
S1, to raw material drying and broken, be dried first, then carry out raw material classification and is sent into pulverizer in batches, use
120-230 mesh screen is crushed；
S2, the ethyl alcohol that configuration concentration is 70%~80% are poured into and mix with raw material as solvent, then sufficiently leaching
It is mixed after stain 25min, control temperature reaches 85 DEG C, and the time controlled within 45min hours；
After the completion of S3, mixing, stop stirring, carry out high-temperature sterilization, temperature is controlled at 75-90 DEG C, continues 5-12 minutes, high
After temperature disinfection, then carry out disinfection by ultraviolet light；
S4, it is poured into the alkali sodium hydroxide that pH is 7.8 and will be completed then to be diluted to 20-48% in mixed material
The concentration of weight, high temperature are heated, and control 140 DEG C, and alcohol solvent in evaporating solution completes working process.
As present invention further optimization mode, in step d, freezing processing, the temperature control-of processing are carried out to raw material
15 DEG C, continue 1.5-3 hours.
The invention patent passes through carries out the more impurity of physical absorption removal using activated carbon supported on filtering copper foil, simultaneously
Special weak base mixed solution is configured, facilitates catalysis reaction, the efficiency of processing can be improved, entire processing method is simple,
And the agar produced is in good taste, is suitable for batch production.
Specific embodiment
Below in conjunction in the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution：A kind of method that high temperature low concentration alkali system produces agar, including following production
Step,
A makes netted filtering foil, first by suppressing sheet copper foil using roll shaft, by plasma to copper foil into
Row is slight to control thickness, and integral thickness control is punched in 3-15mm, then uniformly, and mesh controls 0.3-0.8mm, uses infusion process
In filter screen foil upper surface load type active carbon；
B is added hydrogen peroxide and is reacted by agar dissolution of raw material into weak base mixed solution, and utilizes step a production
Filtering foil is adequately stirred；
C adds water to the reaction solution, increases solution temperature to 120-140 DEG C and keeps being stirred continuously, continues 15-
Then 35min is added the acetic acid that a small amount of concentration is 10% and carries out sufficiently reaction mixing, temperature control continues at 90-110 DEG C
20min；
D, the solution after reaction is filtered, freezed, be dehydrated and is dried, and then carry out disinfection processing, is completed
Processing.
The weak base mixed solution solution weight percentage concentration is in 30-45%, selective chlorination potassium, sodium phosphate, sodium carbonate, sulphur
Sour calcium, potassium nitrate aqueous solution pass through according to 1:0.8:0.7:1.2:1.5 ratio is prepared by fully mixing.
In step c, the revolving speed for first controlling 200r/min-250r/min is stirred mixed processing, controls after glacial acetic acid is added
It is stirred under the revolving speed of 350r/min-420r/min processed.
It in step d, during being filtered, is filtered using silvery sieve, the production packet of the silvery sieve
It includes as follows, suppresses sheet silver foil first with roll shaft, slight control thickness, integral thickness control are carried out to silver foil by plasma
Then spraying plating active carbon in silver foil surface is fabricated to the sieve of 200-350 mesh in 8-25mm, and in such a way that electromagnetism sputters by system
Net.
The agar raw material includes one of Eucheuma, agar, fragrant plant mentioned in ancient texts, seaweed, sea sedge or a variety of.
It in step b, needs to process agar raw material, the procedure of processing of the agar raw material is as follows：
S1, to raw material drying and broken, be dried first, then carry out raw material classification and is sent into pulverizer in batches, use
120-230 mesh screen is crushed；
S2, the ethyl alcohol that configuration concentration is 70%~80% are poured into and mix with raw material as solvent, then sufficiently leaching
It is mixed after stain 25min, control temperature reaches 85 DEG C, and the time controlled within 45min hours；
After the completion of S3, mixing, stop stirring, carry out high-temperature sterilization, temperature is controlled at 75-90 DEG C, continues 5-12 minutes, high
After temperature disinfection, then carry out disinfection by ultraviolet light；
S4, it is poured into the alkali sodium hydroxide that pH is 7.8 and will be completed then to be diluted to 20-48% in mixed material
The concentration of weight, high temperature are heated, and control 140 DEG C, and alcohol solvent in evaporating solution completes working process.
In step d, freezing processing is carried out to raw material, the temperature of processing controls -15 DEG C, continues 1.5-3 hours.
Agar parameter table of the present invention is as follows：Table 1
Traditional agar parameter table is as follows：Table 2
To sum up, by Tables 1 and 2 as can be seen that the invention patent is activated carbon supported enterprising in filtering copper foil by utilizing
Row physical absorption removes more impurity, while configuring special weak base mixed solution, facilitates catalysis reaction, can improve processing life
The efficiency of production, entire processing method is simple, and the agar produced is in good taste, is suitable for batch production.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of method that high temperature low concentration alkali system produces agar, it is characterised in that：It comprises the following steps that,
A makes netted filtering foil, first by suppressing sheet copper foil using roll shaft, is carried out by plasma to copper foil light
Degree control thickness, integral thickness control are punched in 3-15mm, then uniformly, and mesh controls 0.3-0.8mm, with infusion process in mistake
Strainer foil upper surface load type active carbon；
B is added hydrogen peroxide and is reacted, and utilize the filtering of step a production by agar dissolution of raw material into weak base mixed solution
Foil is adequately stirred；
C adds water to the reaction solution, increases solution temperature to 120-140 DEG C and keeps being stirred continuously, continues 15-
Then 35min is added the acetic acid that a small amount of concentration is 10% and carries out sufficiently reaction mixing, temperature control continues at 90-110 DEG C
20min；
D, the solution after reaction is filtered, freezed, be dehydrated and is dried, and then carry out disinfection processing, completes processing.
2. the method that a kind of high temperature low concentration alkali system according to claim 1 produces agar, which is characterized in that the weak base
For mixed solution solution weight percentage concentration in 30-45%, selective chlorination potassium, sodium phosphate, sodium carbonate, calcium sulfate, potassium nitrate are water-soluble
Liquid passes through according to 1:0.8:0.7:1.2:1.5 ratio is prepared by fully mixing.
3. the method that a kind of high temperature low concentration alkali system according to claim 1 produces agar, which is characterized in that in step c,
The revolving speed for first controlling 200r/min-250r/min is stirred mixed processing, controls 350r/min-420r/ after glacial acetic acid is added
It is stirred under the revolving speed of min.
4. the method that a kind of high temperature low concentration alkali system according to claim 1 produces agar, which is characterized in that in step d,
It during being filtered, is filtered using silvery sieve, the production of the silvery sieve is including as follows, first with roller
Axis suppresses sheet silver foil, carries out slight control thickness to silver foil by plasma, integral thickness is controlled in 8-25mm, and is passed through
Then spraying plating active carbon in silver foil surface is fabricated to the sieve of 200-350 mesh by the mode of electromagnetism sputtering.
5. the method that a kind of high temperature low concentration alkali system according to claim 1 produces agar, which is characterized in that the agar
Raw material includes one of Eucheuma, agar, fragrant plant mentioned in ancient texts, seaweed, sea sedge or a variety of.
6. the method that a kind of high temperature low concentration alkali system according to claim 1 produces agar, which is characterized in that in step b,
It needs to process agar raw material, the procedure of processing of the agar raw material is as follows：
S1, to raw material drying and broken, be dried first, then carry out raw material classification and is sent into pulverizer in batches, use 120-
230 mesh screens are crushed；
S2, the ethyl alcohol that configuration concentration is 70%~80% are poured into and mix with raw material, be then sufficiently impregnated as solvent
It is mixed after 25min, control temperature reaches 85 DEG C, and the time controlled within 45min hours；
After the completion of S3, mixing, stop stirring, carry out high-temperature sterilization, temperature is controlled at 75-90 DEG C, continues 5-12 minutes, high temperature disappears
After poison, then carry out disinfection by ultraviolet light；
S4, it is poured into and will be completed in mixed material with the alkali sodium hydroxide that pH is 7.8, be then diluted to 20-48% weight
Concentration, high temperature heated, and controls 140 DEG C, and alcohol solvent in evaporating solution completes working process.
7. the method that a kind of high temperature low concentration alkali system according to claim 1 produces agar, which is characterized in that in step d,
Freezing processing is carried out to raw material, the temperature of processing controls -15 DEG C, continues 1.5-3 hours.
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| CN201810638527.5A CN108835612A (en) | 2018-06-20 | 2018-06-20 | A kind of method that high temperature low concentration alkali system produces agar |
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| CN201810638527.5A CN108835612A (en) | 2018-06-20 | 2018-06-20 | A kind of method that high temperature low concentration alkali system produces agar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644859A (en) * | 2019-01-11 | 2019-04-19 | 苏州大学 | A kind of cultivation method of high temperature resistant stone lily |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644859A (en) * | 2019-01-11 | 2019-04-19 | 苏州大学 | A kind of cultivation method of high temperature resistant stone lily |
| CN109644859B (en) * | 2019-01-11 | 2021-07-02 | 苏州大学 | A kind of cultivation method of high temperature resistant stone lily |
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Application publication date: 20181120 |