CN101791105B - Fluffy granule-shaped sugar-free sweetener compounded with xylooligosaccharide and preparation method thereof - Google Patents
Fluffy granule-shaped sugar-free sweetener compounded with xylooligosaccharide and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a fluffy granule-shaped sugar-free sweetener compounded with xylooligosaccharide and a preparation method thereof. The sweetener comprises the following components: 8.2-35.5% of trichlorosucrose, 35-78.8% of isomaltooligosacharide, 3-10% of xylooligosaccharide and 10-20% of xylitol. The preparation process comprises the following steps: separately adding trichlorosucrose and isomaltooligosacharide in a heating container, separately adding deionized water to mix, heating to dissolve; separately adding activated carbon in the trichlorosucrose solution and the isomaltooligosacharide solution, filtering when the solutions are warm, separately collecting filtrate in a storage tank; introducing a mixture of xylitol, xylooligosaccharide and isomaltooligosacharide in a fluidized bed with spraying from the bottom under a positive pressure to perform accelerated flow from bottom to top, exerting a negative pressure on the upper part of the fluidized bed with spraying, vibrating from top to bottom to ensure that materials boil up and down in the bed, using a multipoint spray gun arranged on the side of the fluidized bed to continuously spray and disperse the refined trichlorosucrose solution on superfine sugar alcohol, pumping the isomaltooligosacharide solution in the fluidized bed, and performing spray drying to obtain the fluffy granule-shaped sugar-free sweetener. The preparation flow is simple and is easy to operate.
Description
Technical field
The present invention relates to a kind of edible sweetener, relate in particular to a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener and preparation method thereof.
Background technology
The increase of Along with people's because of too much bringing disease with sugar, people's demand safety, healthy Sugarless type non-nutritive sweetener of not participating in body metabolism; In production procedure, reach the advanced preparation technology who puts into finished product one step completion from raw material; It is learnt from other's strong points to offset one's weaknesses, has complementary advantages to make between the sugar alcohol sweet taste on the formula for a product; Can play during product uses and cover the effect that promotes mouthfeel with synergy; People thirst for satisfying under the low prerequisite of sugariness height, heat, and occupation modeization, with cane-sugar taste safety and Health Sugarless type sweetener roughly the same.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists; A kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener and preparation method thereof is provided; Adopt the scientific technology of easy operation control, the molten speed property of product, mouthfeel, sugariness all are higher than the prior art optimum value.
The object of the invention is realized through following technical scheme:
A kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener is characterized in that comprising following composition (percentage by weight): Sucralose 8.2～35.5%, oligoisomaltose 35～78.8%, xylo-oligosaccharide 3～10%, xylitol 10～20%.
Further, above-mentioned a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener, its component has following percentage by weight: Sucralose 8.6%, oligoisomaltose 78.4%, xylo-oligosaccharide 3%, xylitol 10%.
Further, above-mentioned a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener, described xylo-oligosaccharide makes through following technology:
1. take by weighing straw, straw is pulverized, handle, filter, discard filtrating with hot-water soak;
2. add the NaOH aqueous solution and carry out alkali treatment, its alkali purification temp is 23～56 ℃, and the alkali treatment time is 24～36 hours;
3. centrifugal acquisition extract is used the acetic acid aqueous solution neutralising extract, to pH be 4.5～7.5;
4. centrifugal removal deposition after supernatant concentration, is used precipitation with alcohol, leaves standstill then;
5. centrifugal collecting precipitation, dry sediment is made into sediment 3～6% the aqueous solution then to remove ethanol wherein;
6. complex enzyme is carried out enzymolysis processing to the aqueous solution that 5. step makes, hydrolysis temperature is 30～45 ℃, and enzymolysis time is 24～36 hours, and 100mL handles in the aqueous solution and adds 0.05～5g complex enzyme; The component of wherein said complex enzyme is: endo-xylanase 55～85wt%, arabinofuranosidase 10～35wt%, circumscribed zytase 5～10wt%;
7. after enzymolysis finishes, enzymolysis liquid in 100～121 ℃ of deactivations 10～15 minutes, is concentrated in 40～60 ℃ of vacuum then;
8. with macroporous type absorption resin cation purifying concentrate,, obtain light yellow to white powdered granule xylo-oligosaccharide then in 45～55 ℃ of vacuum drying 14～18 hours.
The preparation method of a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener of the present invention comprises following processing step---
1. Sucralose, oligoisomaltose are joined respectively in the heating container, add deionized water respectively and mix;
2. be warming up to 52～78 ℃ of dissolvings respectively, and stir;
3. add active carbon respectively in above-mentioned sucralose solution and the oligoisomaltose solution, be incubated 25～30 minutes, filter while hot, filtrating is pooled to respectively in the storage tank of heat tracing;
4. xylitol and xylo-oligosaccharide, oligoisomaltose are put in the spray-fluidized bed apparatus after pulverizing; The mixed material of xylitol and xylo-oligosaccharide, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying impose negative pressure vibrate from top to bottom make material in fluid bed up and down the boiling; The multiple spot spray gun of fluid bed sidepiece is sprayed the above-mentioned sucralose solution that refines continuously earlier and is distributed on the fine sugar alcohol body; Pump into the above-mentioned oligoisomaltose solution that refines again, spray-drying obtains fluffy granular composite sugar-free sweetener continuously.
Again further, the preparation method of above-mentioned a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener joins Sucralose, oligoisomaltose respectively in the container, adds deionized water respectively and mixes; Be warming up to 60～70 ℃ of dissolvings respectively, and stir; Add active carbon respectively, be incubated 30 minutes, filter while hot, filtrating is pooled to respectively in the storage tank that has heat tracing; Xylitol, xylo-oligosaccharide, oligoisomaltose reach 120～180 orders through pulverizing; Be sent in the spray-fluidized bed apparatus; The mixed material of xylitol, xylo-oligosaccharide, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying imposes negative pressure and vibrates from top to bottom and make material boiling up and down in fluid bed, and control fluidized-bed layer temperature is at 35～80 ℃, and the multiple spot spray gun of fluid bed sidepiece earlier will the above-mentioned sucralose solution that refines be sprayed continuously and is distributed on the fine sugar alcohol body; After the mixing of sugar alcohol fluidisation loses surperficial moisture content; Pump into the above-mentioned oligoisomaltose solution that refines again, spray drying granulation obtains fluffy granular composite sugar-free sweetener continuously.
Again further; The preparation method of above-mentioned a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener; The bed temperature scope of said fluidized bed with spraying is 35～80 ℃; Wherein the bed temperature of phase I Sucralose spraying dispersion is 35～50 ℃, and the bed temperature of second stage oligoisomaltose mist projection granulating is 50～80 ℃.
Again further, the preparation method of above-mentioned a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener, in the phase I of said Spray Mixing fluid bed, the Sucralose spraying is dispersed in fluidisation and smashes on the fine sugar alcohol crystal body; In second stage, the oligoisomaltose spray drying granulation is on the noncrystal of mixing sugar alcohol.
Substantive distinguishing features and obvious improvement that technical scheme of the present invention is outstanding are mainly reflected in:
The present invention adopts the negative pressure fluid bed fluidization technique of scientific formula, uses advanced to combine the multi-point atomizing method, and time sharing segment control appliance bed temperature efficiently solves even dispersion, coats problems such as granulation, drying.With Sucralose, xylo-oligosaccharide, xylitol, oligoisomaltose is primary raw material; Modify uniformly and coat through preparation method to sugariness, make product sweetness reach 50～200 times of common sucrose, products obtained therefrom does not have smell, does not have color; Soluble in water; This fluffy granular composite sugar-free sweetener is easy to use, and its preparation process science is simple and easy to operate, is fit to very much large-scale production.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1: process chart of the present invention.
The specific embodiment
The fluffy granule-shaped sugar-free sweetener that the present invention is Xylo-oligosaccharide compounded, its composition is: Sucralose 8.2～35.5%, oligoisomaltose 35～78.8%, xylo-oligosaccharide 3～10%, xylitol 10～20%; Ideal formulations is: Sucralose 8.6%, oligoisomaltose 78.4%, xylo-oligosaccharide 3%, xylitol 10%.
Above-mentioned xylo-oligosaccharide is raw material with the straw, and through the preparation of complex enzyme zymohydrolysis technology, concrete steps are: 1. take by weighing straw, straw is pulverized, with 50～56 ℃ of hot-water soaks 6～11 hours, filter, discard filtrating; 2. add the NaOH aqueous solution and carry out alkali treatment, the concentration of the NaOH aqueous solution is 0.5～5%, uses volume 22～60 times as straw weight, and its alkali purification temp is 23～56 ℃, and the alkali treatment time is 24～36 hours; 3. centrifugal acquisition extract, using the acetic acid aqueous solution neutralising extract is 4.5～7.5 to pH, the concentration of acetic acid aqueous solution is 20～50%; 4. centrifugal removal deposition after supernatant concentration, is used precipitation with alcohol, and concentration of alcohol is 95%, leaves standstill then 6～12 hours; 5. centrifugal collecting precipitation, dry sediment is made into sediment 3～6% the aqueous solution then to remove ethanol wherein; 6. complex enzyme is carried out enzymolysis processing to the aqueous solution that 5. step makes in proportion, hydrolysis temperature is 30～45 ℃, and enzymolysis time is 24～36 hours, and 100mL handles in the aqueous solution and adds 0.05～5g complex enzyme; Wherein, the component of complex enzyme is: endo-xylanase 55～85wt%, arabinofuranosidase 10～35wt%, circumscribed zytase 5～10wt%; 7. after enzymolysis finishes, enzymolysis liquid in 100～121 ℃ of deactivations 10～15 minutes, is concentrated in 40～60 ℃ of vacuum then; 8. with macroporous type absorption resin cation purifying concentrate; Promptly earlier resin is fully moistened and rise, press the consumption of the concentrated complex enzyme hydrolysis liquid of 100g resin 200mL, 20～40 ℃ of following adsorption treatment 10～20 hours; Filter then; With 20～50% ethanolic solution wash-outs, after eluent concentrates earlier, the desalination in 24～72 hours of dialysing again; In 45～55 ℃ of vacuum drying 14～18 hours, obtain light yellow then to white powdered granule xylo-oligosaccharide.The purity of xylo-oligosaccharide is 80%～85%.
As shown in Figure 1, the preparation technology of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener: at first, Sucralose, oligoisomaltose are joined respectively in the heating container, add deionized water respectively and mix; Be warming up to 52～78 ℃ of dissolvings respectively, and stir; Add active carbon respectively in above-mentioned sucralose solution and the oligoisomaltose solution, be incubated 25～30 minutes, filter while hot, filtrating is pooled to respectively in the storage tank of heat tracing; At last; Xylitol, xylo-oligosaccharide oligoisomaltose are put in the spray-fluidized bed apparatus after pulverizing; The mixed material of xylitol, xylo-oligosaccharide, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying impose negative pressure vibrate from top to bottom make material in fluid bed up and down the boiling; The multiple spot spray gun of fluid bed sidepiece is sprayed the above-mentioned sucralose solution that refines continuously earlier and is distributed on the fine sugar alcohol body, and the bed temperature that the spraying of control Sucralose disperses is 35～50 ℃, and the Sucralose even spraying is dispersed on the mixing sugar alcohol crystalline solid of powder; The rising bed temperature; At mixing sugar alcohol after fluidisation loses surface crystallization water; Pump into the above-mentioned oligoisomaltose solution that refines again; Continuous spray drying granulation, the bed temperature of oligoisomaltose mist projection granulating controlled well is 50～80 ℃, the oligoisomaltose spray drying granulation is on the noncrystalline fluffy body of sugar alcohol; Obtain even sugariness and modify fluffy good shape product.
Embodiment 1:
5 kilograms of oligoisomaltoses and deionized water are dissolved in a stainless steel reacting by heating pot for 25 kilograms; 8.6 kilograms of Sucraloses and deionized water are also dissolved in another stainless steel reacting by heating pot for 25 kilograms, and material is heated to 67 ℃ by chuck in the pot, starts stirring; Add 0.5 kilogram of active carbon respectively; Be incubated 30 minutes, filter while hot, for use in the storage tank that collects in the chuck insulation respectively of filtrating; With 3 kilograms of xylo-oligosaccharides, 10 kilograms of xylitols, 73.4 kilograms of oligoisomaltoses, pulverizing reaches 180 orders through pulverizer, is sent in the spray-fluidized bed apparatus; The mixed material of xylo-oligosaccharide, xylitol oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying imposes negative pressure and vibrates from top to bottom and make material boiling up and down in fluid bed, the multiple spot spray gun of fluid bed sidepiece earlier will the above-mentioned sucralose solution that refines continuously spraying be distributed on the fine sugar alcohol body, controlling the fluidized-bed layer temperature is 35～50 ℃; The multiple spot even spraying is disperseed; After operation is accomplished, improve bed temperature to 50～55 ℃ again, xylo-oligosaccharide, xylitol, oligoisomaltose fluidisation mix lose surface crystallization water after; Pump into the above-mentioned oligoisomaltose solution that refines; Continuous spray drying granulation is controlled air quantity and mist flow well, obtains even sugariness and modifies good fluffy granular product.
Embodiment 2:
5 kilograms of oligoisomaltoses and deionized water are dissolved in a stainless steel reacting by heating pot for 20 kilograms; 17.5 kilograms of Sucraloses and deionized water are also dissolved in another stainless steel reaction pot for 30 kilograms, and material is heated to 70 ℃ by chuck in the pot, starts stirring; Add 1.5 kilograms of active carbons respectively; Be incubated 30 minutes, filter while hot, for use in the storage tank that collects in the chuck insulation respectively of filtrating; With 4 kilograms of xylo-oligosaccharides, 12 kilograms of xylitols, 61.5 kilograms of oligoisomaltoses, reach 180 orders through pulverizing, be sent to and carry out the fluidisation mixing in the spray-fluidized bed apparatus; The mixed material of xylo-oligosaccharide, xylitol, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying imposes negative pressure and vibrates from top to bottom and make material boiling up and down in fluid bed, the multiple spot spray gun of fluid bed sidepiece earlier will the above-mentioned sucralose solution that refines continuously spraying be distributed on the fine sugar alcohol body, control 35～40 ℃ of fluidized-bed layer temperature; Even spraying is disperseed; After operation is accomplished, improve bed temperature to 50～75 ℃ again, after xylo-oligosaccharide, xylitol, oligoisomaltose fluidisation being mixed lose surface crystallization water; Pumping into the above-mentioned oligoisomaltose solution that refines; Continuous spray granulating and drying is controlled air quantity and mist flow well, obtains even sugariness and modifies good fluffy granular product.
Embodiment 3:
5 kilograms of oligoisomaltoses and deionized water are dissolved in a stainless steel reacting by heating pot for 30 kilograms; 26.4 kilograms of Sucraloses and deionized water are also dissolved in another stainless steel reacting by heating pot for 40 kilograms, and material is heated to 65 ℃ by chuck in the pot, starts stirring; Add 3.0 kilograms of active carbons respectively; Be incubated 30 minutes, filter while hot, for use in the storage tank that collects in the chuck insulation respectively of filtrating; With 5 kilograms of xylo-oligosaccharides, 11 kilograms of xylitols, 52.6 kilograms of oligoisomaltoses; Pulverizing reaches 170 orders through pulverizer, is sent in the spray-fluidized bed apparatus, and the mixed material of xylo-oligosaccharide, xylitol, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying imposes negative pressure and vibrates from top to bottom and make material boiling up and down in fluid bed, and the multiple spot spray gun of fluid bed sidepiece earlier will the above-mentioned sucralose solution that refines be sprayed continuously and is distributed on the fine sugar alcohol body, controls 35～42 ℃ of fluidized-bed layer temperature well; The multiple spot even spraying is disperseed; After operation is accomplished, improve bed temperature to 50～80 ℃ again, xylo-oligosaccharide, xylitol, oligoisomaltose fluidisation mix lose surface crystallization water after; Pump into the above-mentioned oligoisomaltose solution that refines; Continuous spray drying granulation is controlled air quantity and mist flow well, obtains even sugariness and modifies good fluffy granular product.
Embodiment 4:
5 kilograms of oligoisomaltoses and deionized water are dissolved in a stainless steel reacting by heating pot for 40 kilograms; 60 kilograms also another dissolves in stainless steel reacting by heating pot with deionized water with 35.5 kilograms of Sucraloses, and material is heated to 60 ℃ by chuck in the pot, starts stirring; Add 3.0 kilograms of active carbons respectively; Be incubated 30 minutes, filter while hot, for use in the storage tank that collects in the chuck insulation respectively of filtrating; 6 kilograms of xylo-oligosaccharides, 15 kilograms of xylitols, 38.5 kilograms of oligoisomaltoses; Pulverizing reaches 150 orders through pulverizer, is sent to fluidisation in the spray-fluidized bed apparatus, and the mixed material of xylo-oligosaccharide, xylitol oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying imposes negative pressure and vibrates from top to bottom and make material boiling up and down in fluid bed, and the multiple spot spray gun of fluid bed sidepiece earlier will the above-mentioned sucralose solution that refines be sprayed continuously and is distributed on the fine sugar alcohol body, controls 35～40 ℃ of fluidized-bed layer temperature well; The multiple spot even spraying is disperseed; After operation is accomplished, improve bed temperature to 50～78 ℃ again, after xylo-oligosaccharide, xylitol, oligoisomaltose fluidisation lose surface crystallization water; Pumping into the above-mentioned oligoisomaltose solution that refines; Continuous Spray Mixing drying-granulating is controlled air quantity and mist flow well, obtains the good fluffy granular product of even sugariness decorations.
Embodiment 5:
5 kilograms of oligoisomaltoses and deionized water are dissolved in a stainless steel reacting by heating pot for 40 kilograms; 60 kilograms also another dissolves in stainless steel reacting by heating pot with deionized water with 10 kilograms of Sucraloses, and material is heated to 60 ℃ by chuck in the pot, starts stirring; Add 3.0 kilograms of active carbons respectively; Be incubated 30 minutes, filter while hot, for use in the storage tank that collects in the chuck insulation respectively of filtrating; 7 kilograms of xylo-oligosaccharides, 16 kilograms of xylitols, 62 kilograms of oligoisomaltoses; Pulverizing reaches 150 orders through pulverizer, is sent to fluidisation in the spray-fluidized bed apparatus, and the mixed material of xylo-oligosaccharide, xylitol oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying imposes negative pressure and vibrates from top to bottom and make material boiling up and down in fluid bed, and the multiple spot spray gun of fluid bed sidepiece earlier will the above-mentioned sucralose solution that refines be sprayed continuously and is distributed on the fine sugar alcohol body, controls 35～40 ℃ of fluidized-bed layer temperature well; The multiple spot even spraying is disperseed; After operation is accomplished, improve bed temperature to 50～78 ℃ again, after xylo-oligosaccharide, xylitol, oligoisomaltose fluidisation lose surface crystallization water; Pumping into the above-mentioned oligoisomaltose solution that refines; Continuous Spray Mixing drying-granulating is controlled air quantity and mist flow well, obtains the good fluffy granular product of even sugariness decorations.
Embodiment 6:
5 kilograms of oligoisomaltoses and deionized water are dissolved in a stainless steel reacting by heating pot for 40 kilograms; 60 kilograms also another dissolves in stainless steel reacting by heating pot with deionized water with 30 kilograms of Sucraloses, and material is heated to 60 ℃ by chuck in the pot, starts stirring; Add 3.0 kilograms of active carbons respectively; Be incubated 30 minutes, filter while hot, for use in the storage tank that collects in the chuck insulation respectively of filtrating; 10 kilograms of xylo-oligosaccharides, 17 kilograms of xylitols, 38 kilograms of oligoisomaltoses; Pulverizing reaches 150 orders through pulverizer, is sent to fluidisation in the spray-fluidized bed apparatus, and the mixed material of xylo-oligosaccharide, xylitol, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying imposes negative pressure and vibrates from top to bottom and make material boiling up and down in fluid bed, and the multiple spot spray gun of fluid bed sidepiece earlier will the above-mentioned sucralose solution that refines be sprayed continuously and is distributed on the fine sugar alcohol body, controls 35～40 ℃ of fluidized-bed layer temperature well; The multiple spot even spraying is disperseed; After operation is accomplished, improve bed temperature to 50～78 ℃ again, after xylo-oligosaccharide, xylitol, oligoisomaltose fluidisation lose surface crystallization water; Pumping into the above-mentioned oligoisomaltose solution that refines; Continuous Spray Mixing drying-granulating is controlled air quantity and mist flow well, obtains the good fluffy granular product of even sugariness decorations.
Through detecting, adopt the fluffy granular composite sugar-free sweetener of technical scheme acquisition of the present invention, its main performance index is seen table 1.
Table 1
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Particle size | 30～60 orders | 30～60 orders | 30～60 orders | 30～60 orders | 30～60 orders | 30～60 orders |
| Sugariness (sucrose contrast) | 50 times | 100 times | 150 times | 200 times | 60 times | 120 times |
| Outward appearance | White particle | White particle | White particle | White particle | White particle | White particle |
| Bulk density (g/mm 3) | 0.58 | 0.62 | 0.63 | 0.66 | 0.65 | 0.66 |
The stability test of sweetener is to check sweetener to guarantee the ability that undergoes no deterioration within a certain period of time, and the sweetener product of the embodiment of the invention was stored 3 years at normal temperatures, phenomenons such as rotten and sugariness reduction occur, and the stability ten minutes is superior.
The sugariness degree of modification of the Xylo-oligosaccharide compounded sugar-free sweetener of a kind of fluffy granular of the present invention is with according to the adjustment of Sucralose in the food consumption adds, 50～200 times of selecting the common sucrose sugariness usually for use; Relatively be fit to the food enterprise needs; Form according to prescription, under same sugariness situation, people only are 1/50～1/200 of common sucrose to the absorption of heat; Sugar-free sweetener is the sweet taste article of low-calorie; The metabolism of this sweetener does not need insulin, can not cause blood sugar to raise, and is suitable for diabetes, three high crowds' needs.
Show obviously that to sum up the present invention adopts scientific formula, uses advanced science and technology technology and method, products obtained therefrom does not have smell, do not have color, and is soluble in water, and it is very convenient that this fluffy granule-shaped sugar-free sweetener is used.Granularity, molten speed, mouthfeel, sugariness all are much better than the prior art value, and the scientific preparation process simple flow is prone to row, are fit to very much large-scale production, are worth wide popularization and application in the field of business.
What need understand is: the above only is a preferred implementation of the present invention; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (4)
1. an Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener is characterized in that being become to be grouped into by following percentage by weight: Sucralose 8.2～35.5%, oligoisomaltose 35～78.8%, xylo-oligosaccharide 3～10%, xylitol 10～20%; Said xylo-oligosaccharide makes through following processing step:
1. take by weighing straw, straw is pulverized, handle, filter, discard filtrating with hot-water soak;
2. add the NaOH aqueous solution and carry out alkali treatment, its alkali purification temp is 23～56 ℃, and the alkali treatment time is 24～36 hours;
3. centrifugal acquisition extract is used the acetic acid aqueous solution neutralising extract, to pH be 4.5～7.5;
4. centrifugal removal deposition after supernatant concentration, is used precipitation with alcohol, leaves standstill then;
5. centrifugal collecting precipitation, dry sediment is made into sediment 3～6% the aqueous solution then to remove ethanol wherein;
6. complex enzyme is carried out enzymolysis processing to the aqueous solution that 5. step makes, hydrolysis temperature is 30～45 ℃, and enzymolysis time is 24～36 hours, and 100mL handles in the aqueous solution and adds 0.05～5g complex enzyme; The component of wherein said complex enzyme is: endo-xylanase 55～85wt%, arabinofuranosidase 10～35wt%, circumscribed zytase 5～10wt%;
7. after enzymolysis finishes, enzymolysis liquid in 100～121 ℃ of deactivations 10～15 minutes, is concentrated in 40～60 ℃ of vacuum then;
8. with macroporous type absorption resin cation purifying concentrate,, obtain light yellow to white powdered granule xylo-oligosaccharide then in 45～55 ℃ of vacuum drying 14～18 hours;
The preparation method of said Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener comprises following processing step:
1. Sucralose, oligoisomaltose are joined respectively in the heating container, add deionized water respectively and mix;
2. be warming up to 52～78 ℃ of dissolvings respectively, and stir;
3. add active carbon respectively in above-mentioned sucralose solution and the oligoisomaltose solution, be incubated 25～30 minutes, filter while hot, filtrating is pooled to respectively in the storage tank of heat tracing;
4. xylitol and xylo-oligosaccharide, oligoisomaltose are put in the spray-fluidized bed apparatus after pulverizing; The mixed material of xylitol and xylo-oligosaccharide, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying impose negative pressure vibrate from top to bottom make material in fluid bed up and down the boiling; The bed temperature scope of fluidized bed with spraying is 35～80 ℃; The multiple spot spray gun of fluid bed sidepiece is sprayed the above-mentioned sucralose solution that refines continuously earlier and is distributed on the fine sugar alcohol body; Pump into the above-mentioned oligoisomaltose solution that refines again, spray-drying obtains fluffy granular composite sugar-free sweetener continuously; Wherein the bed temperature of phase I Sucralose spraying dispersion is 35～50 ℃, and the bed temperature of second stage oligoisomaltose mist projection granulating is 50～80 ℃.
2. a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener according to claim 1 is characterized in that being become to be grouped into by following percentage by weight: Sucralose 8.6%, oligoisomaltose 78.4%, xylo-oligosaccharide 3%, xylitol 10%.
3. the preparation method of the described a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener of claim 1 is characterized in that: comprise following processing step---
1. Sucralose, oligoisomaltose are joined respectively in the heating container, add deionized water respectively and mix;
2. be warming up to 52～78 ℃ of dissolvings respectively, and stir;
3. add active carbon respectively in above-mentioned sucralose solution and the oligoisomaltose solution, be incubated 25～30 minutes, filter while hot, filtrating is pooled to respectively in the storage tank of heat tracing;
4. xylitol and xylo-oligosaccharide, oligoisomaltose are put in the spray-fluidized bed apparatus after pulverizing; The mixed material of xylitol and xylo-oligosaccharide, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying impose negative pressure vibrate from top to bottom make material in fluid bed up and down the boiling; The bed temperature scope of fluidized bed with spraying is 35～80 ℃; The multiple spot spray gun of fluid bed sidepiece is sprayed the above-mentioned sucralose solution that refines continuously earlier and is distributed on the fine sugar alcohol body; Pump into the above-mentioned oligoisomaltose solution that refines again, spray-drying obtains fluffy granular composite sugar-free sweetener continuously; Wherein the bed temperature of phase I Sucralose spraying dispersion is 35～50 ℃, and the bed temperature of second stage oligoisomaltose mist projection granulating is 50～80 ℃.
4. the preparation method of a kind of Xylo-oligosaccharide compounded fluffy granule-shaped sugar-free sweetener according to claim 3 is characterized in that: Sucralose, oligoisomaltose are joined respectively in the container, add deionized water respectively and mix; Be warming up to 60～70 ℃ of dissolvings respectively, and stir; Add active carbon respectively, be incubated 30 minutes, filter while hot, filtrating is pooled to respectively in the storage tank that has heat tracing; Xylitol, xylo-oligosaccharide, oligoisomaltose reach 120～180 orders through pulverizing; Be sent in the spray-fluidized bed apparatus; The mixed material of xylitol, xylo-oligosaccharide, oligoisomaltose also quickens to flow from the bottom entering fluidized bed with spraying of fluidized bed with spraying with malleation from bottom to top; The top of fluidized bed with spraying imposes negative pressure and vibrates from top to bottom and make material boiling up and down in fluid bed, and control fluidized-bed layer temperature is at 35～80 ℃, and the multiple spot spray gun of fluid bed sidepiece earlier will the above-mentioned sucralose solution that refines be sprayed continuously and is distributed on the fine sugar alcohol body; After the mixing of sugar alcohol fluidisation loses surperficial moisture content; Pump into the above-mentioned oligoisomaltose solution that refines again, spray drying granulation obtains fluffy granular composite sugar-free sweetener continuously.
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