CN105543311B - A kind of processing method of resistant dextrin - Google Patents
A kind of processing method of resistant dextrin Download PDFInfo
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- CN105543311B CN105543311B CN201610116354.1A CN201610116354A CN105543311B CN 105543311 B CN105543311 B CN 105543311B CN 201610116354 A CN201610116354 A CN 201610116354A CN 105543311 B CN105543311 B CN 105543311B
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Abstract
The present invention provides a kind of processing method of resistant dextrin.The processing method is to be made from starch successively to be dried to obtain resistant dextrin after peracid treatment and spray liquid glucose, granulating and drying, being charred, enzyme hydrolysis, chromatographic column decoloration and desalination, desugar purification, raw material liquid glucose of the liquid glucose that wherein desugar purification step obtains by concentration as spray liquid glucose.The liquid glucose that the present invention isolates purification desugar step, mixes as liquid glucose raw material with starch after concentration, improves the output capacity 10%-30% of product, reduces production cost；And increase the uniformity coefficient that granulation process is effectively improved heat treatment, improve the effect and the uniformity of being charred.
Description
Technical field
The invention belongs to starch field of deep, the processing method of specifically a kind of resistant dextrin.
Background technique
The research of resistant dextrin, originating from Japan, is the low molecule prepared using native starch as raw material the 1990s
Water-soluble dietary fiber has low viscosity, low in calories, low sugariness, high-dissolvability and good processing stability, except this it
Outside, also there is the important function for adjusting human body physiological function, such as reduce blood glucose, adjust blood lipid and control weight.So resistance
It is each that dextrin has been used as food and food auxiliary material to be largely used to beverage, fruit sauce, candy, dairy products, cereal foods, functional food etc.
In based food.
Currently, industrial and existing patent resistant dextrin production technology be using various starch as raw material, at high temperature plus
Thermal decomposition, polymerization, become pyrodextrin, then pyrodextrin is dissolved in water, and add the techniques such as water hydrolysis, purification, dry by enzyme
Process is made.Since starch raw material bulk density is small, conductivity of heat and poor fluidity, it is unfavorable for being charred reaction, causes existing
The problems such as there are the reactions of starch acid heat for resistant dextrin production method unevenly, the reaction time is long, and product quality is bad, yield is low.
Meanwhile the prior art and preparation method be in the production process of resistant dextrin, the by-product of generation include glucose, maltose,
The component ratios such as maltotriose are high, and raw material is not utilized effectively, increases production cost, reduce product yield.In addition,
Containing ingredients such as relatively high glucose, oligosaccharide in the product of prior art production, it is unfavorable for the product and suffers from diabetes etc.
Application in person's food.Though there is patent the glucose produced after enzymatic hydrolysis further to ferment or separates sale, Ci Zhongfang
Resistant dextrin purity can be improved in method, but will cause the waste of a large amount of glucose syrups, increases production cost.In order to improve
The uniformity of being charred reaction, has patent that river sand is added during the reaction, though the uniformity of thermal conductivity and reaction can be improved,
But the volume of reactor and the difficulty of operation are increased, production efficiency is reduced.
Summary of the invention
The present invention is insufficient according to prior art to provide a kind of processing method of resistant dextrin, and this method, which can be improved, to be charred
The effect and the uniformity of change, and then improve production yield and product quality, and can effectively slough the glucose of product and low
Glycan and remaining salinity improve the content of resistant dextrin in product, improve the quality of product, reduce production cost.
A kind of technical solution provided by the invention are as follows: processing method of resistant dextrin, it is characterised in that specific steps
It is as follows:
(1) it spray sugar processing: is made from starch, after carrying out sour processing to it with hydrochloric acid solution, in 50-110 DEG C of item
Drying is to water content 3-15% under part, and the liquid glucose for being then 20-60% to its spray concentration, the fountain height of liquid glucose is to form sediment after drying
The 10-60% of powder raw material weight；
(2) granulation is handled: will predrying is extremely under conditions of 50-110 DEG C for spray sugar treated starch raw material in step (1)
Then water content 10-40% is granulated into granularity by pelletizer and is the starch granules of 120-10 mesh, and is dried to moisture and contains
Measure 3%-16%；
(3) being charred: the starch granules heating after will be dry in step (2) reaches 120-200 DEG C of high temperature, and warm herein
It is handled 10-300 minutes under the conditions of degree, reacts starch and being charred of carbohydrate content, i.e., starch is decomposed and gathered again
Reaction is closed, the being charred powder containing resistant dextrin is formed；
(4) enzyme hydrolysis: by obtained the being charred powder containing resistant dextrin after being charred reaction treatment in step (3) by coke
Gelatinization powder: the ratio that water is 1:2-5 adds water to be adjusted to emulsus, and the alpha-amylase of being charred dried bean noodles weight 0.01-0.5% is added,
60-95 DEG C of temperature, pH value is enzyme hydrolysis 0.5-2.5h under conditions of 4-7；PH to 4.0-6.0 is further adjusted after the completion of enzyme hydrolysis,
Then the carbohydrase of addition being charred dried bean noodles weight 0.01-0.5%, be saccharified 0.25-2.5h under the conditions of 50-70 DEG C；
(5) hydrolyzate in step (4) after enzyme hydrolysis and saccharification by enzyme deactivation and decoloration, desalting processing: is filtered it
It is decolourized afterwards using macroreticular resin, ion exchange resin desalination, or using the synchronous decoloration of macroreticular ion exchange resin and desalination；
Macroreticular resin and ion exchange resin can be directly to be bought on the market, the liquid flow with pigment composition cross macroporous resin column or
Macroreticular ion exchange resin column, pigment are then ion exchanged resin adsorption by resin adsorption, salinity；
(6) desugar is handled: the hydrolyzate after decoloration, desalting processing in step (5) is passed through into ultrafiltration or alcohol precipitation,
Or mode of the alcohol precipitation in conjunction with ultrafiltration carries out desugar processing, the liquid glucose that desugar is isolated is further concentrated to 20-60%
Concentration, then collect the liquid glucose as spray sugar processing in step (1)；
(7) treated the wet stock of desugar in step (6) is dry or dry to water content 6% after liquid material is concentrated
Resistant dextrin is made below.
The further technical solution of the present invention: starch raw material in the step (1) is cornstarch, wheaten starch, big
Rice starch, tapioca or potato starch；Acid processing in step (1) is by starch raw material predrying to water content 3-10%
The hydrochloric acid solution of concentration 0.1%-2.0% is sprayed later, and discharge rate is the 1%-15% of dry weight of starch；Or starch raw material is used
The hydrochloric acid solution of 0.01%-1.0% is centrifuged or is separated by filtration after impregnating 10-90min, wherein hydrochloric acid solution and starch raw material weight
Than for 1-5:1；The hydrochloric acid of the acid processing can be using in sulfuric acid, nitric acid, phosphoric acid, oxalic acid, citric acid, lactic acid, tartaric acid
It is replaced after a kind of or any two kinds of compoundings, uses the weight ratio of any two kinds of acid compounding for 1-10:1-10.
The present invention preferably technical solution: when the liquid glucose in spray sugar processing in step (1) uses production resistant dextrin
The liquid glucose deviate from from starch raw material, and concentrating it to concentration is 20%-60%.
The present invention preferably technical solution: the prilling process in step (2) includes non-slurry pelletizing, wet process rotating granulation, wet
The granulation of method twin-screw, fluidized granulating, mist projection granulating, granulating raw material water content are 10%-40%.
The present invention preferably technical solution: the heating method for being charred is that electric heating or steam heat in step (3),
Or conduction oil mode heats or microwave heating, or electricity, steam, conduction oil mode and microwave composite heating；The electric heating, steaming
Vapour and conduction oil, microwave heating are all made of container or rotating pipe external heating mode；It can be real using rotating pipe heating method
Existing continuous production；Electricity, steam, conduction oil and microwave composite heating are both any or three in electricity, steam, conduction oil and microwave
In conjunction with mode.
The present invention preferably technical solution: when in step (5) using macroreticular resin decoloration, temperature is 20-60 DEG C, flow
For 1-5 times of column volume per hour；When using macroreticular ion exchange resin decoloration and desalination, temperature is 20-60 DEG C, flow
For 1-6 times of column volume per hour, the conductivity of the liquid after ion exchange resin treatment can control in 45 μ s/cm hereinafter,
Ion exchange resin selects cation exchange resin and anion exchange resin fills column or mixing dress column respectively.
The present invention preferably technical solution: being decolourized before resin decolorization using active carbon in advance in step (5), activated carbon dosage
For the 0.2%-6% of liquid weight, pH 4.0-6.0,20-80 DEG C of temperature, time 0.5-3 hour carries out resin again after filtering
Decoloration and desalination.
The present invention preferably technical solution: ultrafiltration desugar described in step (6) be by hydrolyzate temperature be 10-50
DEG C, pH uses molecule interception to carry out ultrafiltration for the ultrafiltration membrane of 500-2500Da, sloughs small in hydrolyzate under conditions of 3-9
Glucose, maltose and the maltotriose of molecule；The alcohol precipitation mode is that hydrolyzate is first concentrated to dry matter content
20%-60%, the ethyl alcohol that concentration 90%-100% is added are precipitated, and the weight ratio of ethyl alcohol and hydrolysis concentrate is 2-6:1, then
Separate resistant dextrin sediment, sediment continues use the ethyl alcohol of 60%-95% by sediment weight in wet base and ethyl alcohol weight ratio for 1:
The ratio cleaning of 0.5-3 1 time or multiple；Mode of the ultrafiltration in conjunction with alcohol precipitation be by after hydrolyzate ultrafiltration desugar,
It is concentrated to dry matter content 20%-60%, alcohol precipitation and cleaning treatment then are used to concentrate again；Or hydrolysis is concentrated
Liquid carries out ultrafiltration desugar again after first handling through alcohol precipitation.It is preferred that first ultrafiltration, then alcohol precipitation and cleaning treatment.
The present invention preferably technical solution: including pneumatic conveying drying, heat in its drying means of step (1) into step (7)
Air-dry dry, vacuum drying, roller drying, spray drying.
Beneficial effects of the present invention:
(1) present invention increases spray liquid glucose, and the liquid glucose that purification desugar step is isolated, concentration before being charred
It is mixed afterwards as liquid glucose raw material with starch, the output capacity 10%-30% of product can be improved, reduce production cost；
(2) present invention also adds granulation processing before being charred, and it is processed that the sour mode of spray can be improved in granulation process
The dispersion effect of the acid of journey, the starch density after granulation increase, and heat-transfer effect improves, and mobility is greatly improved, Ke Yiyou
Effect improves the uniformity coefficient of heat treatment, and fractions are charred caused by avoiding because of uneven heating, and partial starch is heated not enough
Situation occurs, and the effect and the uniformity of being charred can be improved, and improves product yield and product quality；
(3) liquid glucose that purification desugar step is isolated in the present invention, is further concentrated to the concentration of 20-60%, as sugar
Liquid raw material is mixed with starch, and the output capacity of product can be improved, and 10%-30% can be improved in output capacity, reduces production cost；
(4) present invention is decolourized using macroporous resin column, ion exchange resin desalination, or uses macroporous type amberlite
The synchronous decoloration of rouge and desalination, improve the automatization level of industrialized production；
(5) present invention refines desugar in such a way that ultrafiltration is in conjunction with alcohol precipitation, can effectively slough the grape of product
Sugar and oligosaccharide and remaining salinity, improve the content of resistant dextrin in product, improve the quality of product, reduce alcohol
Dosage.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.A kind of resistant dextrin as shown in Figure 1 adds
Work method, be using cornstarch, wheaten starch, rice starch, tapioca or potato starch as raw material successively through peracid at
Reason and spray liquid glucose, granulating and drying, being charred, enzyme hydrolysis (including amylorrhexis and carbohydrase saccharification), chromatographic column decoloration
And it is dried to obtain resistant dextrin after desalination, desugar purification, the liquid glucose that wherein desugar purification step obtains is by concentration as spray sugar
The raw material liquid glucose of liquid, enzyme hydrolysis will carry out enzyme deactivation and filtration treatment after completing.
Embodiment one
A kind of processing method of resistant dextrin, using cornstarch as raw material, it is characterised in that specific step is as follows:
(1) spray sugar processing: will spray the hydrochloric acid solution of concentration 1.2% after cornstarch raw material predrying to water content 4%,
Discharge rate is the 6% of dry weight of starch, and the liquid glucose for being then 40% to its spray concentration, the fountain height of liquid glucose is starch raw material after drying
The 30% of weight；
(2) granulation is handled: will predrying is extremely under conditions of 80 DEG C for spray sugar treated cornstarch raw material in step (1)
Then water content 15% is granulated into granularity by dry granulating machine and is the corn starch granules of 100 mesh, and is dried to moisture
Content 3%；
(3) being charred: the corn starch granules after will be dry in step (2) are reached using dry heated steam in container external heat
120 DEG C of high temperature, and handled 300 minutes under the conditions of this temperature, react cornstarch and being charred of carbohydrate content, shape
At the being charred powder containing resistant dextrin；
(4) enzyme hydrolysis: by obtained the being charred powder containing resistant dextrin after being charred reaction treatment in step (3) by coke
Gelatinization powder: the ratio that water is 1:3 adds water to be adjusted to emulsus, and the mesophilicα-diastase that being charred dried bean noodles weighs 0.5% is added, in temperature
75 DEG C, pH value is enzyme hydrolysis 2.5h under conditions of 6；PH to 5.0 is further adjusted after the completion of enzyme hydrolysis, then adds being charred dried bean noodles
The carbohydrase for weighing 0.3%, be saccharified 0.5h under the conditions of 50 DEG C；
(5) decoloration, desalting processing: by the hydrolyzate in step (4) after enzyme hydrolysis and Glucoamylase hydrolysis by enzyme deactivation and
Filtering is decolourized using active carbon in advance later, 3%, pH 4.0 of the activated carbon dosage for liquid weight, temperature 50 C, and the time 1.5 is small
When, then, when further using macroreticular ion exchange resin decoloration and desalination, 20 DEG C of temperature, flow is 2 times of cylinders per hour
Product, the conductivity through macroreticular ion exchange resin treated liquid control below 45 μ s/cm.
(6) desugar is handled: it in temperature is 40 DEG C by the hydrolyzate in step (5) after decoloration, desalting processing, item of the pH 6
Under part, uses molecule interception to carry out ultrafiltration for the ultrafiltration membrane of 2000Da, slough glucose, the maltose of hydrolyzate small molecular
And maltotriose；Again by the hydrolyzate after molecule interception is the ultrafiltration membrane desugar of 2000Da, the side of ultrafiltration is further used
Formula is concentrated to dry matter content 45%, and then, the ethyl alcohol that concentration 95% is added in concentrate is precipitated, and ethyl alcohol and hydrolysis are dense
The weight ratio of contracting liquid is 3:1, separates resistant dextrin sediment, and sediment continues the ethyl alcohol using concentration 80% by sediment weight in wet base
It is cleaned 3 times with ethyl alcohol weight ratio for the ratio of 1:1；The liquid glucose that desugar is isolated is further concentrated to 40% concentration, then receives
The liquid glucose as spray sugar processing in step (1) is collected；
(7) treated the alcohol precipitation object of desugar in step (6) is used into air-flow drying method, it is dry to water content 6%
Resistant dextrin is made below.
Embodiment two
A kind of processing method of resistant dextrin, using wheaten starch as raw material, it is characterised in that specific step is as follows:
(1) spray sugar processing: impregnating 30min for the Compound-acid solution that Raw Wheat Starch concentration is 0.05%, described multiple
Closing acid solution is to be compounded by hydrochloric acid and citric acid according to the ratio of weight ratio 5:1, Compound-acid solution and starch raw material weight
Than for 3:1；Then the wet starch raw material isolated by the way of centrifuge separation, and by wet starch raw material under conditions of 90 DEG C
Drying to water content 8%, the liquid glucose for being then 50% to its spray concentration, the fountain height of liquid glucose is starch raw material weight after drying
20%；
(2) granulation is handled: will treated that Raw Wheat Starch is dried in vacuo under conditions of 60 DEG C for spray sugar in step (1)
To water content 10%, granularity is then granulated by pelletizer and is the wheat starch granule of 80 mesh, and is dried to moisture and contain
Amount 3%；
(3) being charred: the wheat starch granule after will be dry in step (2) makes starch raw material using periphery Electric heating
Reach 135 DEG C of high temperature, and handled 180 minutes under the conditions of this temperature, reacts starch and being charred of carbohydrate content, shape
At the being charred powder containing resistant dextrin；
(4) enzyme hydrolysis: by obtained the being charred powder containing resistant dextrin after being charred reaction treatment in step (3) by coke
Gelatinization powder: the ratio that water is 1:4 adds water to be adjusted to emulsus, and the Thermostable α-Amylase that being charred dried bean noodles weighs 0.45% is added,
90 DEG C of temperature, pH value is enzyme hydrolysis 2.0h under conditions of 7；PH to 4.5 is further adjusted after the completion of enzyme hydrolysis, then adds being charred
Dried bean noodles weighs 0.35% carbohydrase, and be saccharified 1.5h under the conditions of 60 DEG C；
(5) hydrolyzate in step (4) after enzyme hydrolysis and saccharification by enzyme deactivation and decoloration, desalting processing: is filtered it
It is decolourized afterwards using macroreticular resin, ion exchange resin desalination；When macroreticular resin decolourizes, temperature is 35 DEG C, and flow is per hour 3
Times column volume；When using ion exchange resin desalination, temperature is 25 DEG C, and flow is 1.5 times of column volumes per hour；Ion exchange
Resin selects storng-acid cation exchange resin and strong-base anion-exchange resin mixing dress column, cation exchange resin and yin
Ion exchange resin ratio is 1:1；
(6) desugar is handled: the hydrolyzate after decoloration, desalting processing in step (5) being concentrated to dry matter content 60%, is added
The ethyl alcohol for entering concentration 90% is precipitated, and the weight ratio of ethyl alcohol and hydrolysis concentrate is 3:1, then separates resistant dextrin sediment,
Sediment continues that concentration is used to clean 4 times for 75% ethyl alcohol in the ratio that sediment weight in wet base and ethyl alcohol weight ratio are 1:2；Desugar
The liquid glucose isolated is further concentrated to 50% concentration, then collects the liquid glucose as spray sugar processing in step (1)；
(7) desugar in step (6) is handled, resistant dextrin drying to the water content 5% after ethanol precipitation and cleaning is made
Resistant dextrin.
Embodiment three
A kind of processing method of resistant dextrin, using rice starch as raw material, it is characterised in that specific step is as follows:
(1) sulfuric acid solution of rice starch raw material concentration 0.05% spray sugar processing: is impregnated into 10-90min, sulfuric acid solution
It is 2:1, the wet starch raw material then filtered to isolate, using 70 DEG C of heated-air dryings to aqueous with rice starch raw material weight ratio
Amount 6%, the liquid glucose for being then 60% to its spray concentration, the fountain height of liquid glucose are rice starch raw material weight after drying
30%；
(2) granulation is handled: will predrying is extremely under conditions of 90 DEG C for spray sugar treated rice starch raw material in step (1)
Then water content 16% is granulated into granularity by pelletizer and is the starch granules of 20 mesh, and is dried to moisture content 5%；
(3) being charred: electric in advance by the starch granules after drying in step (2) using the outer Electric heating of rotating pipe
120 DEG C are heated to, then, further uses pipeline type microwave heating method, feed product heating is reached to 160 DEG C of high temperature,
And handled 60 minutes under the conditions of this temperature, starch and being charred of carbohydrate content are reacted, the coke containing resistant dextrin is formed
It is gelatinized powder；
(4) enzyme hydrolysis: by obtained the being charred powder containing resistant dextrin after being charred reaction treatment in step (3) by coke
Gelatinization powder: the ratio that water is 1:3.5 adds water to be adjusted to emulsus, and the Thermostable α-Amylase that being charred dried bean noodles weighs 0.45% is added,
At 95 DEG C of temperature, pH value is enzyme hydrolysis 1.5h under conditions of 4；PH to 5.0 is further adjusted after the completion of enzyme hydrolysis, then addition is charred
Change the carbohydrase that dried bean noodles weighs 0.15%, be saccharified 0.5h under the conditions of 70 DEG C；
(5) decoloration, desalting processing: by step (4) through enzyme hydrolysis and saccharification after the heated enzyme deactivation of hydrolyzate, filtering,
It after being concentrated to dry matter content 40%, is decolourized in advance using active carbon, activated carbon dosage is 5%, the pH 6.0 of liquid weight, temperature
50 DEG C of degree the time 1.5 hours, uses macroreticular ion exchange resin desalination, 30 DEG C of temperature, flow is per hour 2 again after filtering
Times column volume, the conductivity through macroreticular ion exchange resin treated liquid are controlled in 60 μ s/cm hereinafter, macroporous type ion
Exchanger resin selects large pores cation exchange resin and macroporous type anion exchange resin to fill column respectively；
(6) desugar is handled: the hydrolyzate after decoloration, desalting processing in step (5) is passed through ultrafiltration desugar, temperature 20
DEG C, under conditions of pH is 6, uses molecule interception to carry out ultrafiltration for the ultrafiltration membrane of 1000Da, slough hydrolyzate small molecular
The sugar of the small molecules such as glucose, maltose；The liquid glucose that desugar is isolated is further concentrated to 60% concentration, then collects
Liquid glucose as spray sugar processing in step (1) and step (4)；
(7) by the concentration of treated the hydrolyzate of desugar in step (6), dry resistant dextrin is made to water content 5%.
Example IV
A kind of processing method of resistant dextrin, using tapioca as raw material, it is characterised in that specific step is as follows:
(1) spray sugar processing: the hydrochloric acid that concentration 0.8% is sprayed after tapioca raw material predrying to water content 10% is molten
Liquid, discharge rate are the 12% of dry weight of starch；It is dried under conditions of 90 DEG C to water content 5%, is then 30% to its spray concentration
Liquid glucose, the fountain height of liquid glucose be it is dry after starch raw material weight 30%；
(2) granulation is handled: will in step (1) spray sugar treated starch raw material under conditions of 90 DEG C predrying to aqueous
Then amount 12% is granulated into granularity by pelletizer and is the starch granules of 30 mesh, and is dried to moisture content 3%；
(3) being charred: the tapioca particle heating after will be dry in step (2) reaches 160 DEG C of high temperature, and warm herein
It is handled 160 minutes under the conditions of degree, reacts starch and being charred of carbohydrate content, form the being charred powder containing resistant dextrin；
(4) enzyme hydrolysis: by the being charred powder containing resistant dextrin obtained after being charred reaction treatment in step (3) by being charred
Change powder: the ratio that water is 1:4 adds water to be adjusted to emulsus, and the alpha-amylase that being charred dried bean noodles weighs 0.45% is added, at 85 DEG C of temperature,
PH value is enzyme hydrolysis 2h under conditions of 6；PH to 5.0 is further adjusted after the completion of enzyme hydrolysis, is then added being charred dried bean noodles and is weighed 0.5%
Carbohydrase, be saccharified 2h under the conditions of 70 DEG C；
(5) decoloration, desalting processing: the hydrolyzate in step (4) after enzyme hydrolysis and saccharification is decolourized in advance using active carbon,
Activated carbon dosage be liquid weight 1.5%, pH 5.0, temperature 60 C, the time 1.5 hours, carried out again after filtering macroporous type from
The synchronous decoloration of sub-exchange resin and desalination, temperature 50 C, flow is 1 times of column volume per hour, through macroreticular ion exchange resin
The conductivity of treated liquid is controlled in 45 μ s/cm hereinafter, macroreticular ion exchange resin selects the exchange of macroporous type cation
Resin and macroporous type anion exchange resin fill column respectively；
(6) desugar is handled: the desugar in such a way that ultrafiltration is in conjunction with alcohol precipitation, by decoloration, desalting processing in step (5)
Hydrolyzate afterwards is 40 DEG C in temperature, and pH uses molecule interception to carry out ultrafiltration for the ultrafiltration membrane of 1500Da under conditions of 7,
Slough the glucose, maltose and maltotriose of hydrolyzate small molecular；After reaching ultrafiltration desugar requirement, further using super
Hydrolyzate is concentrated to dry matter content 40% by filter membrane；In concentrate be added concentration 95% ethyl alcohol precipitated, ethyl alcohol with
The weight ratio for hydrolyzing concentrate is 4:1, isolates resistant dextrin sediment.Sediment continues the ethyl alcohol using 70% by sediment
The ratio that weight in wet base and ethyl alcohol weight ratio are 1:2 is cleaned 3 times；
(7) it resistant dextrin is made to water content 5% produces treated the resistant dextrin wet feed of desugar in step (6) is dry
Product.
Claims (7)
1. a kind of processing method of resistant dextrin, it is characterised in that specific step is as follows:
(1) it spray sugar processing: is made from starch, after carrying out sour processing to it with hydrochloric acid solution, under conditions of 50-110 DEG C
Drying to water content 3-15%, the liquid glucose of the liquid glucose for being then 20-60% to its spray concentration, sprinkling is pasted using production resistance
The liquid glucose isolated from starch raw material when smart, and concentrating it to concentration is 20%-60%, the fountain height of the liquid glucose is dry
The 10-60% of starch raw material weight after dry；Wherein, the acid processing is by starch raw material predrying or to adjust to water content 3-
The hydrochloric acid solution of concentration 0.1%-2.0% is sprayed after 20%, discharge rate is the 1%-20% of dry weight of starch；Or by starch raw material with dense
The hydrochloric acid solution of degree 0.01%-1.0% is centrifuged or is separated by filtration after impregnating 10-90min, wherein hydrochloric acid solution and starch raw material weight
Amount is than being 1-5:1；The hydrochloric acid of the acid processing is using one in sulfuric acid, nitric acid, phosphoric acid, oxalic acid, citric acid, lactic acid, tartaric acid
It is replaced after kind or any two kinds of compoundings, uses the weight ratios of any two kinds of acid compounding for 1-10:1-10；
(2) granulation is handled: will in step (1) spray sugar treated starch raw material under conditions of 50-110 DEG C predrying to aqueous
10-40% is measured, granularity is then granulated by pelletizer and is the starch granules of 120-10 mesh, and is dried to moisture content
3%-16%；
(3) being charred: the starch granules heating after will be dry in step (2) reaches 120-200 DEG C of high temperature, and in this temperature strip
It is handled 10-300 minutes under part, reacts starch and being charred of carbohydrate content, form the being charred powder containing resistant dextrin；
(4) enzyme hydrolysis: by the being charred powder containing resistant dextrin obtained after being charred reaction treatment in step (3) by being charred
Powder: the ratio that water is 1:2-5 adds water to be adjusted to emulsus, and the alpha-amylase of being charred dried bean noodles weight 0.01-0.5% is added, in temperature
60-95 DEG C, pH value is enzyme hydrolysis 0.5-2.5h under conditions of 4-7；PH to 4.0-6.0 is further adjusted after the completion of enzyme hydrolysis, then
Add the carbohydrase of being charred dried bean noodles weight 0.01-0.5%, Glucoamylase hydrolysis 0.25-2.5h under the conditions of 50-70 DEG C；
(5) hydrolyzate in step (4) after amylase and Glucoamylase hydrolysis decoloration, desalting processing: is passed through into enzyme deactivation and filtering
Later using macroreticular resin decoloration, ion exchange resin desalination, or using the synchronous decoloration of macroreticular ion exchange resin and take off
Salt；When being decolourized using macroreticular resin, temperature is 20-60 DEG C, and flow is 1-5 times of column volume per hour；Using macroporous type ion
When exchanger resin decoloration and desalination, temperature is 20-60 DEG C, and flow is 1-6 times of column volume per hour, at ion exchange resin
The conductivity of liquid after reason is controlled in 45 μ S/cm hereinafter, ion exchange resin selects cation exchange resin and anion to hand over
It changes resin and fills column or mixing dress column respectively；
(6) desugar is handled: by the hydrolyzate after decoloration, desalting processing in step (5) by ultrafiltration or alcohol precipitation, or being surpassed
Mode of the filter method in conjunction with alcohol precipitation carries out desugar processing, and it in temperature is 10-50 DEG C that the ultrafiltration desugar, which is by hydrolyzate,
PH uses molecule interception to carry out ultrafiltration for the ultrafiltration membrane of 500-2500Da, sloughs hydrolyzate small molecular under conditions of 3-9
Glucose, maltose and maltotriose；The liquid glucose that desugar is isolated is further concentrated to the concentration of 20-60%, then collects
Play the liquid glucose as spray sugar processing in step (1)；
(7) treated the wet stock of desugar in step (6) is dry or dry to 6% or less water content after liquid material is concentrated
Resistant dextrin is made.
2. a kind of processing method of resistant dextrin according to claim 1, it is characterised in that: the shallow lake in the step (1)
Powder raw material is cornstarch, wheaten starch, tapioca, rice starch or potato starch.
3. a kind of processing method of resistant dextrin according to claim 1, it is characterised in that: the granulation side in step (2)
Method includes non-slurry pelletizing, wet process rotating granulation, the granulation of wet process twin-screw, fluidized granulating, mist projection granulating, and granulating raw material water content is
10%-40%.
4. a kind of processing method of resistant dextrin according to claim 1, it is characterised in that: being charred in step (3)
Heating method be electric heating or steam heating or conduction oil mode heats or microwave heating, or electricity, steam, conduction oil side
Formula and microwave composite heating；The electric heating, steam and conduction oil, microwave heating are all made of container or rotating pipe external heat side
Formula, wherein realizing continuous production using rotating pipe external heating mode；Electricity, steam, conduction oil and microwave composite heating are electricity, steam
Both any or triplicity mode in vapour, conduction oil and microwave.
5. a kind of processing method of resistant dextrin according to claim 1, it is characterised in that: resin is de- in step (5)
It is decolourized in advance before color using active carbon, activated carbon dosage is 0.2%-6%, the pH 4.0-6.0 of liquid weight, 20-80 DEG C of temperature,
Time 0.5-3 hour carries out resin decolorization and desalination again after filtering.
6. a kind of processing method of resistant dextrin according to claim 1, it is characterised in that: alcohol described in step (6)
Coprecipitation mode is that hydrolyzate is first concentrated to dry matter content 20%-60%, and the ethyl alcohol that concentration 90%-100% is added is sunk
It forms sediment, hydrolyzate weight ratio is 2-6:1 after ethyl alcohol and concentration, then separates resistant dextrin sediment, and sediment continues using concentration
Ratio cleaning 1 time or multiple that the ethyl alcohol of 60%-95% is 1:0.5-3 in sediment weight in wet base and ethyl alcohol weight ratio；The ultrafiltration
Mode in conjunction with alcohol precipitation is to be concentrated to dry matter content 20%-60% for after hydrolyzate ultrafiltration desugar, then right again
Concentrate uses alcohol precipitation and cleaning treatment；Or ultrafiltration is carried out again after first handling hydrolysis concentrate through alcohol precipitation and is taken off
Sugar.
7. a kind of processing method of resistant dextrin according to claim 1, it is characterised in that: in step (1) to step (7)
In drying means include pneumatic conveying drying, heated-air drying, vacuum drying, roller drying, spray drying.
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| CN105936926A (en) * | 2016-05-30 | 2016-09-14 | 郑州国食科技有限公司 | Preparation method of wheat C starch resistant dextrin |
| CN106117375A (en) * | 2016-08-02 | 2016-11-16 | 保龄宝生物股份有限公司 | A kind of decolouring impurity-removing method of resistant dextrin |
| CN106755203A (en) * | 2016-11-28 | 2017-05-31 | 保龄宝生物股份有限公司 | A kind of preparation method of resistant dextrin |
| CN107432481A (en) * | 2017-08-07 | 2017-12-05 | 中国大冢制药有限公司 | A kind of diet fiber composition and preparation method thereof |
| CN107674893A (en) * | 2017-10-19 | 2018-02-09 | 无锡甜丰食品有限公司 | A kind of preparation method of resistant maltodextrin |
| CN109081874A (en) * | 2018-10-23 | 2018-12-25 | 东莞东美食品有限公司 | A kind of preparation method of resistant dextrin |
| CN111187796A (en) * | 2019-01-28 | 2020-05-22 | 健隆生物科技股份有限公司 | Xanthan gum fermentation medium prepared by using resistant dextrin byproduct and system |
| CN110862461B (en) * | 2019-11-12 | 2022-02-22 | 潍坊盛泰药业有限公司 | Preparation method of resistant dextrin |
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| CN101870991A (en) * | 2010-06-08 | 2010-10-27 | 保龄宝生物股份有限公司 | Method for preparing novel anti-peptic dextrin |
| CN103045701A (en) * | 2012-12-29 | 2013-04-17 | 保龄宝生物股份有限公司 | High-yield method for co-producing resistant dextrin, beta-cyclodextrin and F42 HFCS (high fructose corn syrup) |
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| CN101870991A (en) * | 2010-06-08 | 2010-10-27 | 保龄宝生物股份有限公司 | Method for preparing novel anti-peptic dextrin |
| CN103045701A (en) * | 2012-12-29 | 2013-04-17 | 保龄宝生物股份有限公司 | High-yield method for co-producing resistant dextrin, beta-cyclodextrin and F42 HFCS (high fructose corn syrup) |
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