CN101798354B - Method for coproducing jerusalem artichoke inulin and jerusalem artichoke insoluble diedairy fiber - Google Patents
Method for coproducing jerusalem artichoke inulin and jerusalem artichoke insoluble diedairy fiber Download PDFInfo
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- CN101798354B CN101798354B CN2009100517820A CN200910051782A CN101798354B CN 101798354 B CN101798354 B CN 101798354B CN 2009100517820 A CN2009100517820 A CN 2009100517820A CN 200910051782 A CN200910051782 A CN 200910051782A CN 101798354 B CN101798354 B CN 101798354B
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Abstract
The invention discloses a method for coproducing jerusalem artichoke inulin and jerusalem artichoke insoluble diedairy fiber, comprising the following steps: slicing, baking, smashing, extracting, decoloring, filtering, concentrating and drying. The invention has the advantages of improving the additional value of the jerusalem artichoke, avoiding environmental pollution and resource waste, greatly meeting the flexibility of production, being capable of obtaining jerusalem artichoke products with different molecular weights, and meeting different application requirements.
Description
Technical field
The present invention relates to a kind of fiber production method, be specifically related to the method for a kind of coproducing jerusalem artichoke inulin and jerusalem artichoke insoluble diedairy fiber
Background technology
Jerusalem artichoke, the popular name Jerusalem artichoke, the ground ring, ginger is not peppery, composite family, Helianthus, perennial herb, chromosome number 2n=102.Jerusalem artichoke distributes wide, in various places, Chinese north and south cultivation is arranged all; Strong adaptability, impoverishment tolerant, cold-resistant, drought-enduring; Plant simple and easyly, once sow Multiple harvests; Output is high.Jerusalem artichoke originates in the North America, imports China into through Europe, and its edible portion is generally stem tuber, is spindle-type or irregular knurl type; Skin has redness, yellow and white; Quality is careful, tender and crisp, and fresh food quality is not good, but its stem tuber is rich in inulin, and content is the 15-20% of jerusalem artichoke weight in wet base, and dry weight is 9% protein, 4% robust fibre, 6% mineral substance, a small amount of starch and pectic substance approximately.According to the above, jerusalem artichoke is not only the crop of improving the sandy soil environment, and is the very high crop of economic worth.
Inulin is soluble dietary fibre, is the straight chain biological polyoses that is connected with β-(2～1) glycosidic link by＜60 fructose units, and reducing end under neutral is with glucose molecule ending (GFn), and distribution of polymerization degree is extensive, is about 2～60.The polymerization degree is less than 11 the component oligofructose that is otherwise known as; The inulin that the polymerization degree is high, namely the high molecular inulin is proved to be poorly soluble.The inulin chain length is according to the difference of floristics, vegetative period, weather and edaphic condition and difference.Inulin is the levan of pure natural, has the physiological function of water-soluble dietary fibre and biological activity precursor.Inulin can be adjusted the microorganism in the enteron aisle, especially can optionally promote the growth of bifidus bacillus useful in the enteron aisle.It is for regulating organism balance, recover gastrointestinal function, enhance metabolism, prevent various diseases, safeguarding that HUMAN HEALTH has very important effect.Be widely used at present in low in calories, low sugar, the low-fat food.
Japan, American-European countries utilize the plant extract inulin since the eighties in 20th century.China from the end of the nineties inulin that begins one's study extract, there is a lot of inulin manufacturer in the whole nation at present, mainly is that the processing jerusalem artichoke is extracted purifying and obtains inulin.At present, the jerusalem artichoke slag that extracted inulin is done feed sale or directly discarded through simple oven dry.This causes environmental pollution, and the wasting of resources, jerusalem artichoke added value are low, and the inulin cost is high, and product line is extensive, dull.
Insoluble dietary fibre mainly is Mierocrystalline cellulose, hemicellulose and xylogen etc.Insoluble dietary fibre is water insoluble, but can absorb the moisture of several times of own vols.Can be used for forming the weave construction of product, in case synersis.In some product such as meat product, it can make the flavour ingredient of gravy assemble and not loss.In addition, high retentiveness is expected obviously to improve the economic benefit of some processed food, as being used for bakery product, meat product and frozen product etc.Insoluble dietary fibre has multiple physiological function through checking, plays prevention and treatment constipation in the bakery product such as making an addition to, controls blood sugar, reducing cholesterol etc.At present, the insoluble dietary fibre raw material sources is extensive.But the report for preparing jerusalem artichoke insoluble diedairy fiber in conjunction with the jerusalem artichoke slag of inulin production is arranged not yet.
And the current stage is produced product too dull aspect the production of soluble dietary fibre, can not fully satisfy society to the requirement of soluble dietary fibre sugar degree and instantly-soluble.
Summary of the invention
The present invention is from the food fibre angle, use advanced extraction processing Theory, develop a kind of method of efficiently utilizing jerusalem artichoke, coproducing jerusalem artichoke inulin and jerusalem artichoke insoluble diedairy fiber, obtaining simultaneously having water-soluble dietary fibre (SDF) and the insoluble dietary fibre (IDF) of the multiple sugariness standard of physiological function, is a kind of product structure production method of optimization.
Such in order to address the above problem technical scheme of the present invention:
1, the method for a kind of coproducing jerusalem artichoke inulin and jerusalem artichoke insoluble diedairy fiber is characterized in that, the method may further comprise the steps:
1., with fresh, clean jerusalem artichoke root is cut into the thin slice that thickness is 0.1-0.2cm with slicing machine, again thin slice through the steam blanched enzyme that goes out, the jerusalem artichoke sheet behind the enzyme that will go out is again dried with continuous dryer;
2., the jerusalem artichoke sheet after will drying is ground into jerusalem artichoke dry powder with pulverizer, and with air flow dryer control moisture content below 5%, in jerusalem artichoke dry powder, add entry afterwards, cooperate the lixiviate of lixiviate householder method after fully stirring, vat liquor is filtered centrifugal obtaining and jerusalem artichoke vat liquor and jerusalem artichoke residue;
3., the jerusalem artichoke vat liquor is added precipitation agent, to processings of decolouring of the supernatant liquid after filtering, and the solution after decolouring is carried out desalting treatment obtain inulin solution;
4., to the inulin solution filter, concentrated, obtain high sugariness oligofructose product after the drying, instant low sugariness inulin, the fat substituted high molecular weight inulin of use hangs down sugariness standard inulin, instant standard inulin;
5., in the jerusalem artichoke residue, add alkali lye, and use the screw extruding modification, water is washed till neutrality with the jerusalem artichoke residue after the modification, with the SYNTHETIC OPTICAL WHITNER bleaching, washes with water to neutrality again, passes through centrifugally again, and oven dry obtains jerusalem artichoke insoluble diedairy fiber after the pulverizing.
The blanching time of above-mentioned steps in 1. is 3-5min, and bake out temperature is 50-60 ℃.
The whipping temp of above-mentioned steps in 2. is at 60-80 ℃.
The lixiviate householder method of above-mentioned steps in 2. is ultrasonic wave, microwave, and one or more in the biological enzyme are combined with.
The lixiviate amount of water of above-mentioned steps in 2. is controlled in 10 times of jerusalem artichoke dry powder.
The precipitation agent of above-mentioned steps in 3. is liming and CO
2
The decolouring approach of above-mentioned steps in 3. has the activated carbon decolorizing method, spent ion exchange resin decoloring method after ion-exchange resin decolorization method and a small amount of Activated Carbon Pretreatment.
The bleaching temperature of above-mentioned activated carbon decolorizing method is 60-80 ℃, and the decolouring pH value is 5.0-6.0.
The SYNTHETIC OPTICAL WHITNER of above-mentioned steps in 5. is clorox.
The concentration process of above-mentioned steps in 4. comprises that nanofiltration is concentrated and the multiple-effect falling film vaporizer is concentrated.
The concentration of lye of above-mentioned steps in 5. is 7-10%, and the alkali lye amount is 10% of jerusalem artichoke level of residue.
Above-mentioned steps 4. middle inulin solution obtains low molecular weight product and nanofiltration membrane trapped fluid with the filtration of low aperture nanofiltration membrane, the nanofiltration membrane trapped fluid is obtained intermediates and high molecular weight products with the filtration of wide aperture filtering membrane, the low molecular weight product concentrate drying is got high sugariness oligofructose product, middle product is carried out concentrate drying obtain instant low sugariness inulin, high molecular weight products is carried out concentrate drying obtain the fat substituted high molecular weight inulin of using, the nanofiltration membrane trapped fluid is carried out concentrate drying obtain low sugariness standard inulin.
Above-mentioned steps 4. middle inulin solution obtains high molecular weight products and filtering membrane trapped fluid with the filtration of wide aperture filtering membrane, the filtering membrane trapped fluid is obtained intermediates and low molecular weight product with the filtration of small-bore nanofiltration membrane, the low molecular weight product concentrate drying is got high sugariness oligofructose product, middle product is carried out concentrate drying obtain instant low sugariness inulin, high molecular weight products is carried out concentrate drying obtain the fat substituted high molecular weight inulin of using, the filtering membrane trapped fluid is carried out concentrate drying obtain instant standard inulin.
The present invention has the following advantages:
1, the present invention propose for the first time a kind of novel, optimize, process the method for jerusalem artichoke coproducing jerusalem artichoke inulin and jerusalem artichoke insoluble diedairy fiber flexibly, by the present invention, obtain two class food fibre, soluble dietary fibre and insoluble dietary fibres.
2, the present invention utilizes the jerusalem artichoke residue production jerusalem artichoke insoluble diedairy fiber that inulin is produced for the first time, has improved the jerusalem artichoke added value.
3, the invention provides the purification production technique of a no waste, avoid environmental pollution and the wasting of resources.
4, two kinds of inulin subsequent purification of proposition process of the invention has satisfied the handiness of producing greatly.Two kinds of processes are based on identical equipment, technique, and namely nanofiltration membrane and wide aperture film, concentration and drying equipment do not increase equipment cost.Just the trend by changing material, sequentially obtains the inulin product of different molecular weight, can satisfy different application requiring.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schema of an aspect of the invention.
Fig. 2 is the schema of the another kind of scheme of the present invention.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
With reference to accompanying drawing step 01, fresh jerusalem artichoke root is removed earth, impurity etc. through cleaning, and uses slicing machine jerusalem artichoke undercut flakiness, thickness 0.1-0.2cm.The jerusalem artichoke sheet is through the steam blanched enzyme that goes out, blanching time 3-5min.Go out jerusalem artichoke sheet behind the enzyme through the continuous dryer oven dry, bake out temperature 50-60 ℃, had better not be greater than 80 ℃.This prevents excess Temperature, jerusalem artichoke sheet surface-moisture rapid evaporation, and inner moisture was difficult to be evaporated after jerusalem artichoke sheet surface became dry; Prevent that also excessive temperature from causing the degraded of inulin, affects the yield of inulin among the present invention.Jerusalem artichoke sheet after drying course will guarantee to dry in addition without be charred, without the variable color sheet, color and luster is good, moisture is even, shallow color and luster can reduce the decolouring difficulty of follow-up inulin and jerusalem artichoke insoluble diedairy fiber.
Such as accompanying drawing step 02, the jerusalem artichoke sheet after the oven dry is pulverized with pulverizer, obtains jerusalem artichoke dry powder after the pulverizing, if the moisture of jerusalem artichoke dry powder, re-uses the oven dry of hot blast continuous oven more than 5%, until moisture is below 5%.Step 01 and 02 is to concentrate processing to obtain jerusalem artichoke dry powder when jerusalem artichoke is gathered in.This guarantees that jerusalem artichoke can in time be processed, and prevents from rotting; Guarantee that also the present invention has enough raw materials in the jerusalem artichoke between the harvests.
The jerusalem artichoke dry powder that step 02 obtains adds entry, and 60-80 ℃ of lower fully the stirring makes the water-swelling of jerusalem artichoke dry powder carry out lixiviate.This step also needs to control temperature and is not more than 80 ℃, causes the degraded of inulin to prevent excessive temperature, affects the yield of inulin among the present invention.This step can use supplementary means to carry out lixiviate, and one or more are combined with such as ultrasonic wave, microwave, biological enzyme etc.This step adds moisture and adds the best, namely filters behind the extracting in water, and residue again adds water and repeats lixiviate.Overall amount of water is controlled in 10 times of jerusalem artichoke dry powder.The vat liquor that lixiviate produces is centrifugal, gathers the purifying for the jerusalem artichoke inulin of subsequent step; Jerusalem artichoke dry powder after the lixiviate comprises filtration, the residue after centrifugal, be generically and collectively referred to as the jerusalem artichoke residue, in the jerusalem artichoke residue, add alkali lye, and use the screw extruding modification, water is washed till neutrality with the jerusalem artichoke residue after the modification, bleaches with SYNTHETIC OPTICAL WHITNER, wash with water again to neutrality, pass through again centrifugal, the oven dry, obtain jerusalem artichoke insoluble diedairy fiber after the pulverizing.This step is with reference to accompanying drawing step 03.
With reference to accompanying drawing step 04, the jerusalem artichoke vat liquor that step 03 produces adds milk of lime, is filled with CO
2, most of albumen and partial pigment are precipitated, and the supernatant liquor after the filtration enters accompanying drawing step 05.
In step 05, the inulin crude extract that step 04 the obtains processing of being decoloured the invention provides different approach: gac adds ion decolorizing resin decolouring after decolouring, the decolouring of ion decolorizing resin, the gac pre-treatment.Gac adds decolouring, and bleaching temperature 60-80 ℃, decolouring pH value 5.0-6.0.Gac is reluctant to use because gac can not reuse and adsorb inulin by some manufacturers, can use ion-exchange resin decolorization, perhaps spent ion exchange resin decolouring after a small amount of Activated Carbon Pretreatment.
Inulin solution after the decolouring carries out the subsequent purification of the empty frame of accompanying drawing by the ion exchange resin desalination of step 06 behind the removal inorganic substance.
Accompanying drawing 1 and accompanying drawing 2 provide two subsequent purification processes, have obtained different inulin finished products, can satisfy different application needs.
Step 08 in the step 07 of accompanying drawing 1 and the accompanying drawing 2 ' what use is the nanofiltration membrane of small-bore, purpose is separated the lower-molecular-weight components such as small molecular weight, large, the bibulous fructose of sugariness, glucose, sucrose and part oligose, and remaining is the nanofiltration membrane trapped fluid.The step 07 of the step 08 of accompanying drawing 1 and accompanying drawing 2 ' be use wide-aperture film macromolecule, polymerization degree high molecular weight component high, poor solubility separates, i.e. wide aperture film trapped fluid.Process through two step films, after lower molecular weight and high molecular weight component were separated, remaining component was the component between lower molecular weight and high molecular, and the present invention is called intermediate component.
The step 09 of the step 09 of accompanying drawing 1 and accompanying drawing 2 ' be to concentrate and dry lower-molecular-weight component, concentration process comprises that nanofiltration is concentrated and the multiple-effect falling film vaporizer is concentrated, spraying drying obtains high sugariness oligofructose product after concentrating.The step 10 of accompanying drawing 1,11,12 and the step 10 of accompanying drawing 2 ', 11 ', 12 ' adopt the multiple-effect falling film vaporizer concentrated, carry out spraying drying after concentrated.Step 11 by accompanying drawing 1,12 and the step 11 of accompanying drawing 2 ', 12 ' high molecular weight inulin and the instant low sugariness inulin that obtains respectively fat substituted usefulness.By the step 10 of accompanying drawing 1 and the step 10 of accompanying drawing 2 " obtain respectively low Standard for Sugars inulin and instant standard inulin.Particularly point out, the multiple-effect falling film evaporative process that the present invention adopts must guarantee that evaporator temperature is not more than 80 ℃, is preferably in below 70 ℃, prevents the inulin thermal destruction, produces new impurity, reduces output.
Through above-mentioned steps, the present invention obtains following inulin product:
1, fat replaces using high molecular weight inulin.Its lowest molecular weight is by the decision of the aperture of the above-mentioned wide aperture film of selecting, and its highest weight is not subjected to manual control.
2, instant low sugariness inulin.Its highest weight is by the decision of the aperture of the above-mentioned wide aperture film of selecting, and its lowest molecular weight is determined by the aperture of the above-mentioned nanofiltration membrane of selecting.
3, high sugariness oligofructose.Its highest weight is by the decision of the aperture of the above-mentioned nanofiltration membrane of selecting, and its lowest molecular weight is not subjected to manual control.
4, low sugariness standard inulin.Its lowest molecular weight is by the decision of the aperture of the above-mentioned nanofiltration membrane of selecting, and its highest weight is not subjected to manual control.
5, instant standard inulin.Its highest weight is by the decision of the aperture of the above-mentioned wide aperture film of selecting, and its lowest molecular weight is not subjected to manual control.
Why the present invention provides two subsequent purification processes, is because can obtain different products, satisfies different foods to the requirement of instantly-soluble and sugariness.For example, inulin adds in the common beverages, needs high sugariness instantly-soluble good; That inulin is used for is hypoglycemic, need to hang down the sugariness product during protective foods of reducing blood-fat, if this protective foods is the liquid type product, also requires the instantly-soluble of inulin; And inulin is when fat substituted, and the inulin of high-polymerization degree is more suitable for.
The jerusalem artichoke residue that step 03 obtains, moisture content are 75-80%.Jerusalem artichoke residue composition mainly is robust fibre, protein, fat, insoluble colloidalmaterial etc.The present invention the robust fibre purifying in the jerusalem artichoke residue, obtains jerusalem artichoke insoluble diedairy fiber by a series of processing.
At first the jerusalem artichoke residue is processed through the step 13 in the accompanying drawing.The alkali lye of preparation 7-10% concentration fully mixes with the jerusalem artichoke residue by jerusalem artichoke residue 10%, uses the screw extruding modification.The non-fibrous materials such as alkali lye can solubilising protein, fat reach the purpose of purifying fiber.
Jerusalem artichoke washing residue through step 13 processing is extremely neutral, i.e. accompanying drawing step 14.Then, with reference to step 15, with 0.2% sodium hypochlorite bleaching jerusalem artichoke residue, the pigment that the pigment of removal jerusalem artichoke itself and alkali lye produce in processing.
Jerusalem artichoke residue after the decolouring washes neutrality with water, presses accompanying drawing step 16, and the centrifugal jerusalem artichoke fiber that obtains the purifying of white is after oven dry, with jerusalem artichoke fiber micronizing to 160 order.Obtain jerusalem artichoke insoluble diedairy fiber.
The jerusalem artichoke insoluble diedairy fiber index that the present invention obtains is as follows:
Embodiment 1:
Fresh jerusalem artichoke root is removed earth, impurity etc. through cleaning, and jerusalem artichoke undercut flakiness, thickness is less than 0.2cm with slicing machine.The jerusalem artichoke sheet is through the steam blanched enzyme that goes out, blanching time 5min.Go out jerusalem artichoke sheet behind the enzyme through continuous dryer oven dry, 50 ℃ of bake out temperatures.Jerusalem artichoke sheet after the oven dry without be charred, without the variable color sheet, color and luster is good, moisture is even.
Jerusalem artichoke sheet after the oven dry is pulverized with pulverizer, obtains jerusalem artichoke dry powder after the pulverizing, and the moisture 10% of jerusalem artichoke dry powder re-uses hot blast continuous oven oven dry, to moisture below 5%.
Jerusalem artichoke dry powder adds entry, and 60 ℃ of lower fully stirrings make the water-swelling of jerusalem artichoke dry powder carry out lixiviate.Use the supplementary means ultrasonic wave to carry out lixiviate.Add moisture and add for 3 times, namely filter behind the extracting in water, residue again adds water and repeats lixiviate.Overall amount of water is controlled at 10 times of jerusalem artichoke dry powder.
The jerusalem artichoke vat liquor that obtains adds milk of lime to pH value 12, stirs, and then is filled with CO
2, be saturated to pH 9, obtain supernatant liquor after the filtration.
The supernatant liquor activated carbon decolorizing, 65 ℃ of bleaching temperatures, decolouring pH value 5.0.Inorganic substance are removed in inulin solion exchange resin desalination after the decolouring, and electricity is led below the 10 μ s/cm after the desalination.
Then enter the subsequent purification process.
Feed liquid obtains the following lower-molecular-weight component of 500 dalton and the above component of 500 dalton by aperture 500 daltonian nanofiltration membrane.The component aperture 3000 daltonian membrane sepn that 500 dalton are above obtain the above component of 500-3000 dalton and 3000 dalton.
In conjunction with another route of producing, feed liquid obtains the following component of 3000 dalton and the above component of 3000 dalton through aperture 3000 daltonian membrane sepn.The component aperture 500 daltonian membrane sepn that 3000 dalton are above obtain the following component of 500-3000 dalton and 500 dalton.
The following component process nanofiltration of 500 dalton concentrates and the multiple-effect falling film vaporizer concentrates, and concentrated rear spraying drying obtains high sugariness oligofructose product.Component below 3000 dalton, 500-3000 dalton component, above component and the above component of 3000 dalton of 500 dalton adopt the multiple-effect falling film vaporizer concentrated, carry out spraying drying after concentrating.Obtain respectively the high molecular weight inulin of instant standard inulin, instant low sugariness inulin, low Standard for Sugars inulin and fat substituted usefulness.
Prepare the alkali lye of 7% concentration, fully mix with the jerusalem artichoke residue by jerusalem artichoke residue 10%, use the screw extruding modification.The jerusalem artichoke washing residue of processing is to neutral.Then, with 0.2% sodium hypochlorite bleaching jerusalem artichoke residue, the pigment that the pigment of removal jerusalem artichoke itself and alkali lye produce in processing.
Jerusalem artichoke residue after the decolouring washes neutrality with water, and the centrifugal jerusalem artichoke fiber that obtains the purifying of white is after oven dry, with jerusalem artichoke fiber micronizing to 160 order.Obtain jerusalem artichoke insoluble diedairy fiber.
The jerusalem artichoke insoluble diedairy fiber index that this embodiment obtains is as follows:
Embodiment 2:
Fresh jerusalem artichoke root is removed earth, impurity etc. through cleaning, and jerusalem artichoke undercut flakiness, thickness is less than 0.2cm with slicing machine.The jerusalem artichoke sheet is through the steam blanched enzyme that goes out, blanching time 3min.Go out jerusalem artichoke sheet behind the enzyme through continuous dryer oven dry, 60 ℃ of bake out temperatures.
Jerusalem artichoke sheet after the oven dry is pulverized with pulverizer, obtains jerusalem artichoke dry powder after the pulverizing, the moisture 5% of jerusalem artichoke dry powder.
Jerusalem artichoke dry powder adds entry, and 70 ℃ of lower fully stirrings make the water-swelling of jerusalem artichoke dry powder carry out lixiviate.Use the supplementary means microwave to carry out lixiviate.Add moisture and add for 5 times, namely filter behind the extracting in water, residue again adds water and repeats lixiviate.Overall amount of water is controlled at 10 times of jerusalem artichoke dry powder.
The jerusalem artichoke vat liquor that obtains adds milk of lime to pH value 11, stirs, and then is filled with CO
2, be saturated to pH 10, obtain supernatant liquor after the filtration.
Supernatant liquor is through the decolouring ion exchange resin, and flow is 5BV/h, temperature 45 C.Inorganic substance are removed in inulin solion exchange resin desalination after the decolouring, and electricity is led below the 10 μ s/cm after the desalination.
Then enter the subsequent purification process.
Feed liquid obtains the following lower-molecular-weight component of 500 dalton and the above component of 500 dalton by aperture 500 daltonian nanofiltration membrane.The component aperture 2500 daltonian membrane sepn that 500 dalton are above obtain the above component of 500-2500 dalton and 2500 dalton.
In conjunction with another route of producing, feed liquid obtains the following component of 2500 dalton and the above component of 2500 dalton through aperture 2500 daltonian membrane sepn.The component aperture 500 daltonian membrane sepn that 2500 dalton are above obtain the following component of 500-2500 dalton and 500 dalton.
The following component process nanofiltration of 500 dalton concentrates and the multiple-effect falling film vaporizer concentrates, and concentrated rear spraying drying obtains high sugariness oligofructose product.Component below 2500 dalton, 500-2500 dalton component, above component and the above component of 2500 dalton of 500 dalton adopt the multiple-effect falling film vaporizer concentrated, carry out spraying drying after concentrating.Obtain respectively the high molecular weight inulin of instant standard inulin, instant low sugariness inulin, low Standard for Sugars inulin and fat substituted usefulness.
Prepare the alkali lye of 10% concentration, fully mix with the jerusalem artichoke residue by jerusalem artichoke residue 10%, use the screw extruding modification.The jerusalem artichoke washing residue of processing is to neutral.Then, with 0.2% sodium hypochlorite bleaching jerusalem artichoke residue, the pigment that the pigment of removal jerusalem artichoke itself and alkali lye produce in processing.
Jerusalem artichoke residue after the decolouring washes neutrality with water, and the centrifugal jerusalem artichoke fiber that obtains the purifying of white is after oven dry, with jerusalem artichoke fiber micronizing to 160 order.Obtain jerusalem artichoke insoluble diedairy fiber.
The jerusalem artichoke insoluble diedairy fiber index that this embodiment obtains is as follows:
Embodiment 3:
Fresh jerusalem artichoke root is removed earth, impurity etc. through cleaning, and jerusalem artichoke undercut flakiness, thickness is less than 0.2cm with slicing machine.The jerusalem artichoke sheet is through the steam blanched enzyme that goes out, blanching time 5min.Go out jerusalem artichoke sheet behind the enzyme through continuous dryer oven dry, 50 ℃ of bake out temperatures.
Jerusalem artichoke sheet after the oven dry is pulverized with pulverizer, obtains jerusalem artichoke dry powder after the pulverizing, the moisture 5% of jerusalem artichoke dry powder.
Jerusalem artichoke dry powder adds entry, and 70 ℃ of lower fully stirrings make the water-swelling of jerusalem artichoke dry powder carry out lixiviate.Use the supplementary means microwave to carry out lixiviate.Add moisture and add for 3 times, namely filter behind the extracting in water, residue again adds water and repeats lixiviate.Overall amount of water is controlled at 10 times of jerusalem artichoke dry powder.
The jerusalem artichoke vat liquor that obtains adds milk of lime to pH value 11, stirs, and then is filled with CO
2, be saturated to pH 10, obtain supernatant liquor after the filtration.
Supernatant liquor is through the decolouring ion exchange resin, and flow is 5BV/h, temperature 45 C.Inorganic substance are removed in inulin solion exchange resin desalination after the decolouring, and electricity is led below the 10 μ s/cm after the desalination.
Then enter the subsequent purification process.
Feed liquid obtains the following lower-molecular-weight component of 1000 dalton and the above component of 1000 dalton by aperture 1000 daltonian nanofiltration membrane.The component aperture 5000 daltonian membrane sepn that 1000 dalton are above obtain the above component of 1000-5000 dalton and 5000 dalton.
In conjunction with another route of producing, feed liquid obtains the following component of 5000 dalton and the above component of 5000 dalton through aperture 5000 daltonian membrane sepn.The component aperture 1000 daltonian membrane sepn that 5000 dalton are above obtain the following component of 1000-5000 dalton and 1000 dalton.
The following component process nanofiltration of 1000 dalton concentrates and the multiple-effect falling film vaporizer concentrates, and concentrated rear spraying drying obtains high sugariness oligofructose product.Component below 5000 dalton, 1000-5000 dalton component, above component and the above component of 5000 dalton of 1000 dalton adopt the multiple-effect falling film vaporizer concentrated, carry out spraying drying after concentrating.Obtain respectively the high molecular weight inulin of instant standard inulin, instant low sugariness inulin, low Standard for Sugars inulin and fat substituted usefulness.
Prepare the alkali lye of 9% concentration, fully mix with the jerusalem artichoke residue by jerusalem artichoke residue 10%, use the screw extruding modification.The jerusalem artichoke washing residue of processing is to neutral.Then, with 0.2% sodium hypochlorite bleaching jerusalem artichoke residue, the pigment that the pigment of removal jerusalem artichoke itself and alkali lye produce in processing.
Jerusalem artichoke residue after the decolouring washes neutrality with water, and the centrifugal jerusalem artichoke fiber that obtains the purifying of white is after oven dry, with jerusalem artichoke fiber micronizing to 160 order.Obtain jerusalem artichoke insoluble diedairy fiber.
The jerusalem artichoke insoluble diedairy fiber index that this embodiment obtains is as follows:
Above demonstration and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (12)
1. the method for a coproducing jerusalem artichoke inulin and jerusalem artichoke insoluble diedairy fiber is characterized in that, the method may further comprise the steps:
1., with fresh, clean jerusalem artichoke root is cut into the thin slice that thickness is 0.1-0.2cm with slicing machine, again thin slice through the steam blanched enzyme that goes out, the jerusalem artichoke sheet behind the enzyme that will go out is again dried with continuous dryer, wherein bake out temperature is 50-60 ℃;
2., the jerusalem artichoke sheet after will drying is ground into jerusalem artichoke dry powder with pulverizer, and with air flow dryer control moisture content below 5%, in jerusalem artichoke dry powder, add entry afterwards, cooperate the lixiviate of lixiviate householder method after fully stirring, vat liquor is filtered, centrifugal jerusalem artichoke vat liquor and the jerusalem artichoke residue of obtaining, wherein whipping temp is at 60-80 ℃;
3., the jerusalem artichoke vat liquor is added precipitation agent, to processings of decolouring of the supernatant liquid after filtering, and the solution after decolouring is carried out desalting treatment obtain inulin solution;
4., inulin solution filters through nanofiltration membrane, nanofiltration membrane filtrate concentrate drying obtains high sugariness oligofructose, obtain low sugariness standard inulin after nanofiltration membrane trapped fluid evaporation concentration, the drying, or with the nanofiltration membrane trapped fluid through the wide aperture membrane filtration, obtain the fat substituted high molecular weight inulin of using after wide aperture film trapped fluid evaporation concentration, the drying, obtain instant low sugariness inulin after wide aperture membrane filtration liquid evaporation concentration, the drying; Perhaps, with inulin solution through the wide aperture membrane filtration, wide aperture film trapped fluid concentrate drying obtains the fat substituted high molecular weight inulin of using, obtain instant standard inulin after wide aperture membrane filtration liquid evaporation concentration, the spraying drying, or wide aperture membrane filtration liquid filtered through nanofiltration membrane, nanofiltration membrane filtrate is concentrated, obtain high sugariness oligofructose after the drying, obtains instant low sugariness inulin after nanofiltration membrane trapped fluid evaporation concentration, the drying;
5., in the jerusalem artichoke residue, add alkali lye, and use the screw extruding modification, water is washed till neutrality with the jerusalem artichoke residue after the modification, with the SYNTHETIC OPTICAL WHITNER bleaching, washes with water to neutrality again, passes through centrifugally again, and oven dry obtains jerusalem artichoke insoluble diedairy fiber after the pulverizing.
2. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber is characterized in that, the blanching time of described step in 1. is 3-5min.
3. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber is characterized in that, the lixiviate householder method of described step in 2. is ultrasonic wave, microwave, and one or more in the biological enzyme are combined with.
4. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber is characterized in that, the lixiviate amount of water of described step in 2. is controlled in 10 times of jerusalem artichoke dry powder.
5. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber is characterized in that, the precipitation agent of described step in 3. is liming and CO
2
6. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber, it is characterized in that, the decolouring approach of described step in 3. has the activated carbon decolorizing method, spent ion exchange resin decoloring method after ion-exchange resin decolorization method and a small amount of Activated Carbon Pretreatment.
7. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 6 and jerusalem artichoke insoluble diedairy fiber is characterized in that, the bleaching temperature of described activated carbon decolorizing method is 60-80 ℃, and the decolouring pH value is 5.0-6.0.
8. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber is characterized in that, the SYNTHETIC OPTICAL WHITNER of described step in 5. is clorox.
9. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber is characterized in that, the concentration process of described step in 4. comprises that nanofiltration is concentrated and the multiple-effect falling film vaporizer is concentrated.
10. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber is characterized in that, the concentration of lye of described step in 5. is 7-10%, and the alkali lye amount is 10% of jerusalem artichoke level of residue.
11. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber, it is characterized in that, described step 4. middle inulin solution obtains low molecular weight product and nanofiltration membrane trapped fluid with the filtration of low aperture nanofiltration membrane, the nanofiltration membrane trapped fluid is obtained intermediates and high molecular weight products with the filtration of wide aperture filtering membrane, the low molecular weight product concentrate drying is got high sugariness oligofructose product, middle product is carried out concentrate drying obtain instant low sugariness inulin, high molecular weight products is carried out concentrate drying obtain the fat substituted high molecular weight inulin of using, the nanofiltration membrane trapped fluid is carried out concentrate drying obtain low sugariness standard inulin.
12. the method for a kind of coproducing jerusalem artichoke inulin as claimed in claim 1 and jerusalem artichoke insoluble diedairy fiber, it is characterized in that, described step 4. middle inulin solution obtains high molecular weight products and filtering membrane trapped fluid with the filtration of wide aperture filtering membrane, the filtering membrane trapped fluid is obtained intermediates and low molecular weight product with the filtration of small-bore nanofiltration membrane, the low molecular weight product concentrate drying is got high sugariness oligofructose product, middle product is carried out concentrate drying obtain instant low sugariness inulin, high molecular weight products is carried out concentrate drying obtain the fat substituted high molecular weight inulin of using, the filtering membrane trapped fluid is carried out concentrate drying obtain instant standard inulin.
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| CN107411065A (en) * | 2017-05-31 | 2017-12-01 | 云南肠和健康科技股份有限公司 | A kind of jerusalem artichoke ferment and preparation method thereof, preparation and application |
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| CN107325205B (en) * | 2017-08-09 | 2019-09-24 | 无锡新禾创工食品科技有限公司 | A kind of inulin and oligofructose syrup co-production |
| CN110423293A (en) * | 2019-03-13 | 2019-11-08 | 陕西森弗天然制品有限公司 | It is a kind of using jerusalem artichoke as the inulin preparation method of raw material |
| CN111533828A (en) * | 2020-05-21 | 2020-08-14 | 陕西森弗天然制品有限公司 | Inulin purification and impurity removal process flow |
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