CN106191159A - The production technology of starch syrup prepared by a kind of rice - Google Patents

The production technology of starch syrup prepared by a kind of rice Download PDF

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CN106191159A
CN106191159A CN201610559076.7A CN201610559076A CN106191159A CN 106191159 A CN106191159 A CN 106191159A CN 201610559076 A CN201610559076 A CN 201610559076A CN 106191159 A CN106191159 A CN 106191159A
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rice
value
production technology
sugar
regulation
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CN106191159B (en
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徐正康
罗建勇
周文君
周彦斌
郭峰
李碧珠
陈耀煌
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Shuangqiao (hubei) Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
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    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/14Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
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    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/22Preparation of compounds containing saccharide radicals produced by the action of a beta-amylase, e.g. maltose
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P21/00Preparation of peptides or proteins
    • C12P21/06Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products

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Abstract

The invention discloses a kind of rice and prepare the production technology of starch syrup, it comprises the following steps: 1) pulverizes, size mixing;2) liquefaction;3) streamline column insulation, solid-liquid separation;4) rice protein nitrogen source is extracted;5) saccharifying;6) filter without solid waste;7) mixed bed refines, concentrates.The technique of the present invention, during preparing starch syrup, reduces energy consumption by modulation high concentration starch slurry, controls water temperature shortening liquefying time of sizing mixing;And the sugar grain produced in production process is reclaimed residual sugar, use fat in alkaline lipase hydrolysis sugar grain, then use protease hydrolysis rice candy Egg preserved in wine to produce organic nitrogen source in vain, obtain the fermentation raw material of food, pharmaceutical purpose.The technique of the present invention is significantly better than traditional rice and prepares starch syrup technique, and production cost is low, improves value-added content of product, and in product, content of beary metal is far below traditional starch syrup product, and the solid waste produced is few, economic and environment-friendly.

Description

The production technology of starch syrup prepared by a kind of rice
Technical field
The present invention relates to a kind of rice and prepare the production technology of starch syrup, belong to rice field of deep.
Background technology
Starch sugar is widely used in the food such as beverage, confection, cake, medicated beer, easy to use, by vast food processing The favor of enterprise.Starch sugar is with a long history in China, the most on the books in the Important Arts for the People's Welfare in more than 500 year Christian era, and in detail Describe with rice sugaring method.Starch sugar kind is proportionately grouped into and point is broadly divided into glucose, maltose, really Sugar, maltodextrin, oligosaccharide, sugar alcohol, glycoconjugates (alcohol) etc..
At present, the manufacturing process of starch sugar is first to carry out saccharifying to carry out sugar slag again and separate mostly, protein in saccharifying, The impurity self such as fat react or are combined with saccharide and produce more by-product, and compete the effect position of enzyme with saccharide Point, reduces the growing amount of starch sugar.Further, since the sugar liquid of traditional handicraft manufacture contains the impurity such as a large amount of protein, fat, must The filter aid such as kieselguhr or perlite and activated carbon must be used can to filter by Sugarcane juice decolorization and smoothly, containing filter aid or work Property charcoal sugared grain cannot be again with, discharge only as solid waste, environment adversely affected.
Oryza glutinosa is the most important cereal crops of south China, and the rice yield of China occupies first place in the world.Rice has well Aminoacid composition and ratio, containing the essential amino acids needed for organism, quality is better than wheat protein and zein, and has low Anaphylaxis and high nutritive value, be one of desirable feedstock preparing starch sugar, have huge application prospect.With rice as raw material Producing starch sugar and rice protein many employings traditional handicraft, soak time length, used device are many, conversion ratio is relatively low, and by environment Factor impact is relatively big, causes rice grinding particle size uneven, thus affects product quality.
Summary of the invention
It is an object of the invention to provide a kind of rice and prepare the production technology of starch syrup.
The technical solution used in the present invention is:
The production technology of starch syrup prepared by a kind of rice, comprises the following steps:
1) pulverizing, size mixing: rice carries out remove impurity, cleans, mill, add 54~the water of 57 DEG C, regulate pH value, obtaining concentration is 25 ~28 ° of B é, pH value is the rice serosity of 5.6~6.0;
2) liquefaction: add α-amylase in rice serosity, stir, carries out one-level injection liquefaction at 98~105 DEG C, dodges It is incubated 30~50min after steaming, then at 125~130 DEG C, carries out two-stage injection liquefaction, obtain liquefier;
3) streamline column insulation, solid-liquid separation: after liquefier flash distillation decrease temperature and pressure, stream adds α-amylase, enters back into multistage streamline column, At 95~100 DEG C, the control laminar flow time is 60~90min, enters back into solid-liquid layering tank, adds dilute hydrochloric acid at 85~95 DEG C Solution regulation pH value to 5.8~6.4, stand 5~10min, add dilute hydrochloric acid solution regulation pH value to 4.6~5.6, stand 5 ~10min, clear liquid to be released from solid-liquid separation pot bottom, sugar slag is retained by tank inner hole plate;
4) rice protein nitrogen source is extracted: the sugared slag of step 3) is added the hot water of 65~75 DEG C, stirs, filter pressing, will obtain Sugar grain clean after be transferred to collecting tank, homoiothermic to 55~65 DEG C, regulation pH value to 7.5~8.5, add alkaline lipase, water Solving 20~40h, then regulation pH value is to 5.0~6.5 or to isoelectric points of proteins, is warming up to 90~95 DEG C, stirs, mistake Filter, obtains rice candy Egg preserved in wine white, adds 55~60 DEG C of water, stir in rice candy Egg preserved in wine is white, regulation pH value to 2.0~5.0, Add protease A, stirring fully reaction, regulation pH value, to 9.0~10.5, adds Cathepsin B, and stirring fully reaction is filtered, Concentrate, obtain rice protein nitrogen source;
5) saccharifying: regulating step 3) the pH value of clear liquid to 4.2~5.6, homoiothermic to 56~66 DEG C, add saccharifying enzyme, the most instead Should, obtain saccharified liquid;
6) filter without solid waste: the temperature of regulation saccharified liquid, to 75~85 DEG C, carries out microfiltration of ceramic membrane, respectively obtains clear liquid and slag inclusion Concentrated solution, is centrifuged slag inclusion concentrated solution, and the centrifugal supernatant obtained carries out microfiltration of ceramic membrane again, merges microfiltration of ceramic membrane The stillness of night obtained, the extraction sugar Egg preserved in wine that the centrifugal sugared grain obtained carries out step 4) operates in vain;
7) mixed bed refines, concentrates: the clear liquid of step 6) is introduced MVR vaporizer, carries out pre-concentration, then it is refined, dense to carry out mixed bed Contracting, obtains starch syrup.
Step 2) and step 3) described in α-amylase consumption is rice quality 0.01%~0.04%.
In clear liquid described in step 3), the weight/mass percentage composition of solid content is 35~40%.
The consumption of alkaline lipase described in step 4) is the 0.001%~0.1% of sugar grain quality.
Protease A described in step 4) is at least one in Fungal Acid Protease, pepsin, the consumption of protease A For rice candy grain albumen quality 0.1%~1.0%.
Cathepsin B described in step 4) is at least one in trypsin, Chymotrypsin, and the consumption of Cathepsin B is rice The 0.1%~1.0% of sugar grain albumen quality.
In rice protein nitrogen source described in step 4), the percentage by weight of alpha-amido state nitrogen is 13.5%~15.0%.
Saccharifying enzyme described in step 5) is barley beta-amylase, fungal amylase, glucoamylase, pullulanase, fat At least one in enzyme.
The consumption of saccharifying enzyme described in step 5) is in step 3) the 0.001%~0.07% of the quality of giving money as a gift of the stillness of night.
The filtration pressure difference of microfiltration of ceramic membrane described in step 6) is 0.1MPa~0.5MPa, and cocnentration factor is 5~50.
The invention has the beneficial effects as follows:
(1) the rice protein nitrogen source that the present invention produces both can compound with various starch syrups, produces different fermentations characteristic Nitrogen-containing starch syrup, also can be used for the production of the health food such as fermented product or rice protein powder by rice protein nitrogen source, improves The added value of rice converted products;
(2) concentration of sizing mixing is 25~28 ° of B é, improves the solid content of rice serosity to greatest extent, saves water and steam, and Follow-up dry cost and energy consumption can be reduced, as a example by producing 100000 tons of rice starch syrup per year, can using water wisely 135~202 tons/ My god, economize on vapour 26~39 ton day;
(3) water temperature of sizing mixing is 54~57 DEG C, and maintains rice flour breast temperature 54~56 DEG C, makes the abundant swollen of rice starch granule, has Be beneficial to the decomposition of rice starch internal structure and the hydrolysis of enzyme preparation during injection liquefaction, hence it is evident that shorten liquefying time, reduce insoluble Starch granules, improves rice flour conversion ratio;
(4) use two grades of consecutive spraying fluidifications and multistage streamline column heat preservation method, can make the liquefaction effect of rice flour more thoroughly, fill Point, and in solid-liquid layering tank, using two benches regulation pH technology, it is achieved sugar slag efficiently separates with liquefaction clear liquid, improves clear The yield of liquid;
(5) present invention extracts sugar grain after liquefaction, is conducive at utmost extracting rice candy Egg preserved in wine white, at utmost reduces simultaneously Protein in sugar grain, fat, ash grade the impact on subsequent techniques such as saccharifying, improve transformation efficiency, reduce filter pressure;
(6) saccharified liquid is through microfiltration of ceramic membrane system after purification, and slag inclusion concentrated solution microfiltration of ceramic membrane system reclaims sugar again Matter, sugar grain is extracted rice protein the most further, is improve the yield of rice starch syrup and the comprehensive utilization ratio of side-product;
(7) content of beary metal in the rice starch syrup of the present invention is low, cadmium < 2 μ g/Kg, arsenic < 2 μ g/Kg, lead < 8 μ g/Kg, Far below traditional rice starch syrupy product;
(8) in the rice protein nitrogen source of the present invention, the content of alpha-amido state nitrogen is 13.5~15.0wt.%, and purity is far above similar Product.
Accompanying drawing explanation
Fig. 1 is the production technological process of the present invention.
Detailed description of the invention
The production technology of starch syrup prepared by a kind of rice, comprises the following steps:
1) pulverizing, size mixing: rice carries out remove impurity, cleans, mill, add 54~the water of 57 DEG C, regulate pH value, obtaining concentration is 25 ~28 ° of B é, pH value is the rice serosity of 5.6~6.0;
2) liquefaction: add α-amylase in rice serosity, stir, carries out one-level injection liquefaction at 98~105 DEG C, dodges It is incubated 30~50min after steaming, then at 125~130 DEG C, carries out two-stage injection liquefaction, obtain liquefier;
3) streamline column insulation, solid-liquid separation: after liquefier flash distillation decrease temperature and pressure, stream adds α-amylase, enters back into multistage streamline column, At 95~100 DEG C, the control laminar flow time is 60~90min, enters back into solid-liquid layering tank, adds dilute hydrochloric acid at 85~95 DEG C Solution regulation pH value to 5.8~6.4, stand 5~10min, add dilute hydrochloric acid solution regulation pH value to 4.6~5.6, stand 5 ~10min, clear liquid to be released from solid-liquid separation pot bottom, sugar slag is retained by tank inner hole plate;
4) rice protein nitrogen source is extracted: the sugared slag of step 3) is added the hot water of 65~75 DEG C, stirs, filter pressing, will obtain Sugar grain clean after be transferred to collecting tank, homoiothermic to 55~65 DEG C, regulation pH value to 7.5~8.5, add alkaline lipase, water Solving 20~40h, then regulation pH value is to 5.0~6.5 or to isoelectric points of proteins, is warming up to 90~95 DEG C, stirs, mistake Filter, obtains rice candy Egg preserved in wine white, adds 55~60 DEG C of water, stir in rice candy Egg preserved in wine is white, regulation pH value to 2.0~5.0, Add protease A, stirring fully reaction, regulation pH value, to 9.0~10.5, adds Cathepsin B, and stirring fully reaction is filtered, Concentrate, obtain rice protein nitrogen source;
5) saccharifying: regulating step 3) the pH value of clear liquid to 4.2~5.6, homoiothermic to 56~66 DEG C, add saccharifying enzyme, the most instead Should, obtain saccharified liquid;
6) filter without solid waste: the temperature of regulation saccharified liquid, to 75~85 DEG C, carries out microfiltration of ceramic membrane, respectively obtains clear liquid and slag inclusion Concentrated solution, is centrifuged slag inclusion concentrated solution, and the centrifugal supernatant obtained carries out microfiltration of ceramic membrane again, merges microfiltration of ceramic membrane The stillness of night obtained, the extraction sugar Egg preserved in wine that the centrifugal sugared grain obtained carries out step 4) operates in vain;
7) mixed bed refines, concentrates: the clear liquid of step 6) is introduced MVR vaporizer, carries out pre-concentration, then it is refined, dense to carry out mixed bed Contracting, obtains starch syrup.
Preferably, step 2) and step 3) described in α-amylase consumption is rice quality 0.01%~0.04%.
Preferably, step 2) and step 3) described in α-amylase be Liquozyme Supra 2.2X, Liquozyme One in Supra.
Preferably, in clear liquid described in step 3), the weight/mass percentage composition of solid content is 35~40%.
Preferably, multistage streamline column described in step 3) is the liquefaction post that 6~8 ratio of height to diameters are 8~10 of series connection, under material Go out on entering.
Preferably, described in step 3), the ratio of height to diameter of solid-liquid layering tank is 3~5, is internally provided with agitating device and perforated The orifice plate in footpath 0.8~1.2mm, from top to bottom successively decreases in the aperture of orifice plate.
Preferably, the consumption of alkaline lipase described in step 4) is the 0.001%~0.1% of sugar grain quality.
Preferably, protease A described in step 4) is at least one in Fungal Acid Protease, pepsin, protease A Consumption is rice candy grain albumen quality 0.1%~1.0%.
Preferably, Cathepsin B described in step 4) is at least one in trypsin, Chymotrypsin, the consumption of Cathepsin B For rice candy grain albumen quality 0.1%~1.0%.
Preferably, in rice protein nitrogen source described in step 4), the percentage by weight of alpha-amido state nitrogen is 13.5%~15.0%.
Preferably, filter pressing described in step 4) is carried out in diaphragm pressing pressure filter.
Preferably, saccharifying enzyme described in step 5) is barley beta-amylase, fungal amylase, glucoamylase, Pullulan At least one in enzyme, lipase.
Preferably, during the consumption of saccharifying enzyme described in step 5) is step 3) the 0.001%~0.07% of the quality of giving money as a gift of the stillness of night.
Preferably, the filtration pressure difference of microfiltration of ceramic membrane described in step 6) is 0.1MPa~0.5MPa, and cocnentration factor is 5~50.
Below in conjunction with specific embodiment, the present invention is made further explanation and description, the process chart of the present invention such as figure Shown in 1.
Embodiment 1:
1) pulverize, size mixing: weigh the rice of 100 mass parts, be transported to wash a meter tank after removing visible foreign, soak, be passed through Compressed air, makes grain of rice rolling, friction, the impurity on rinsing grain of rice surface, releases rice-washed water, repeat once, by rice after rinsing Grain is cleaned, and then pulverizes homogenizer through roll-type and mills pulping, adds 54~55 DEG C of water, and regulation pH value, obtaining concentration is 25~26 ° B é, pH value is the rice serosity of 5.6~5.7;
2) liquefaction: add the Liquozyme Supra 2.2X α-amylase accounting for rice quality 0.03% in rice serosity, stir Mix uniformly, at 100~102 DEG C, carry out one-level injection liquefaction, be incubated 30min after flash distillation, then carry out at 125~126 DEG C Two-stage injection is liquefied, and obtains liquefier;
3) streamline column insulation, solid-liquid separation: after liquefier flash distillation decrease temperature and pressure, stream adds the Liquozyme accounting for rice quality 0.03% Supra 2.2X α-amylase, enters back into multistage streamline column, and at 100 DEG C, the control laminar flow time is 80min, enters back into solid-liquid Knockout drum, add while stirring at 90~92 DEG C dilute hydrochloric acid solution regulation pH value to 6.2~6.4, stop stirring, stand 8min, then addition dilute hydrochloric acid solution regulation pH value, to 4.6~4.8, stops stirring, stands 8min while stirring, by clear liquid from admittedly Releasing and import saccharifying tank bottom liquid knockout drum, sugar slag is retained by tank inner hole plate;
4) rice protein nitrogen source is extracted: added by the sugared slag of step 3) in the hot water of 70~72 DEG C, stir, filter pressing, collect Sugar grain, is transferred to collecting tank after cleaning, homoiothermic to 56~58 DEG C, and regulation pH value, to 7.5~7.6, adds and is equivalent to sugar grain quality The alkaline fat enzyme hydrolysis 30h of 0.003%, then regulation pH value is to 6.3~6.4, is warming up to 90 DEG C, stirs 20min, filters White to rice candy Egg preserved in wine, it is subsequently adding the water of 5 times of volumes 58 DEG C, regulation pH value, to 2.5~2.8, adds sugar white 0.3% weight of Egg preserved in wine The Fungal Acid Protease of amount, after stirring reaction 10h, regulation pH value, to 9.0~9.1, adds and is equivalent to sugar grain quality 0.2% Trypsin, continues stirring reaction 10h, fine straining, and being concentrated in vacuo to concentration is 77wt.%, obtains food stage rice protein nitrogen source, Protein content is 88.2wt.%, and alpha-amido state nitrogen is 13.9wt.%;
5) saccharifying: by the clear liquid (solid content is 36~38wt.%) of the step 3) dilute hydrochloric acid solution regulation pH value of 4wt.% To 4.2~4.6, and adding and be equivalent to sugar liquid and give money as a gift the glucoamylase of quality 0.06%, it is 98 that 66 DEG C of saccharifying obtain DE value Saccharified liquid;
6) filtering without solid waste: the saccharified liquid of step 5) is warming up to 75 DEG C, enter microfiltration of ceramic membrane system, filtration pressure difference is 0.2MPa, cocnentration factor is 50, obtains clear liquid and slag inclusion concentrated solution, the clear liquid backflow that slag inclusion concentrated solution obtains through high speed centrifuge Entering microfiltration of ceramic membrane system, merge the stillness of night that microfiltration of ceramic membrane obtains, the centrifugal sugar grain obtained then enters the receipts in step 4) Collection tank;
7) mixed bed refines, concentrates: the clear liquid that step 6) obtains is 46wt.% through MVR vaporizer pre-concentration to solid content, Pre-concentration liquid carries out isomery conversion by fixed glucose isomerase post, then it is refined and concentrate to carry out mixed bed, obtains high fructose syrup.
After testing, in high fructose syrup prepared by the present embodiment, content of beary metal is as follows: cadmium < 2 μ g/Kg, and arsenic is 1.0 μ g/ Kg, lead is 2 μ g/Kg.
Embodiment 2:
1) pulverize, size mixing: weigh the rice of 100 mass parts, be transported to wash a meter tank after removing visible foreign, soak, be passed through Compressed air, makes grain of rice rolling, friction, the impurity on rinsing grain of rice surface, releases rice-washed water, repeat once, by rice after rinsing Grain is cleaned, and then pulverizes homogenizer through roll-type and mills pulping, adds 56~57 DEG C of water, and regulation pH value, obtaining concentration is 27~28 ° B é, pH value is the rice serosity of 5.8~5.9;
2) liquefaction: add the Liquozyme Supra α-amylase accounting for rice quality 0.04% in rice serosity, stirring is all Even, at 104~105 DEG C, carry out one-level injection liquefaction, be incubated 40min after flash distillation, then at 128~129 DEG C, carry out two grades Injection liquefaction, obtains liquefier;
3) streamline column insulation, solid-liquid separation: after liquefier flash distillation decrease temperature and pressure, stream adds the Liquozyme accounting for rice quality 0.01% Supra α-amylase, enters back into multistage streamline column, and at 95 DEG C, the control laminar flow time is 90min, enters back into solid-liquid separation tank, Add while stirring at 87~88 DEG C dilute hydrochloric acid solution regulation pH value to 5.9~6.1, stop stirring, stand 5min, then limit stir Mix limit add dilute hydrochloric acid solution regulation pH value to 4.9~5.2, stop stirring, stand 5min, by clear liquid from solid-liquid separation pot bottom Releasing and import saccharifying tank, sugar slag is retained by tank inner hole plate;
4) rice protein nitrogen source is extracted: added by the sugared slag of step 3) in the hot water of 67~68 DEG C, stir, filter pressing, collect Sugar grain, is transferred to collecting tank after cleaning, homoiothermic to 60~62 DEG C, and regulation pH value, to 7.9~8.0, adds and is equivalent to sugar grain quality The alkaline fat enzyme hydrolysis 25h of 0.006%, then regulation pH value is to 6.0~6.1, is warming up to 92 DEG C, stirs 18min, filters White to rice candy Egg preserved in wine, it is subsequently adding the water of 6 times of volumes 60 DEG C, regulation pH value, to 4.9~5.0, adds sugar white 0.5% weight of Egg preserved in wine The pepsin of amount, after stirring reaction 10h, regulation pH value, to 10.0~10.1, adds the rotten egg being equivalent to sugar grain quality 0.4% White enzyme, continues stirring reaction 12h, and fine straining, being concentrated in vacuo to concentration is 80wt.%, obtains food stage rice protein nitrogen source, albumen Matter content is 90.1wt.%, and alpha-amido state nitrogen is 14.3wt.%;
5) saccharifying: by the clear liquid (solid content is 38~40wt.%) of the step 3) dilute hydrochloric acid solution regulation pH value of 5wt.% To 5.2~5.4, and add be equivalent to sugar liquid give money as a gift quality 0.01% glucoamylase, be equivalent to sugar liquid and give money as a gift quality The fungal amylase of 0.005%, be equivalent to sugar liquid and give money as a gift quality 0.02% pullulanase and be equivalent to sugar liquid and give money as a gift quality 0.002% Acid lipase enzyme, 60 DEG C of cooperative saccharifications, saccharified liquid DE value is to be warming up to 83 DEG C when 60, be incubated 45min enzyme denaturing;
6) filtering without solid waste: the saccharified liquid of step 5) is warming up to 80 DEG C, enter microfiltration of ceramic membrane system, filtration pressure difference is 0.5MPa, cocnentration factor is 40, obtains clear liquid and slag inclusion concentrated solution, the clear liquid backflow that slag inclusion concentrated solution obtains through high speed centrifuge Entering microfiltration of ceramic membrane system, merge the stillness of night that microfiltration of ceramic membrane obtains, the centrifugal sugar grain obtained then enters the receipts in step 4) Collection tank;
7) mixed bed refines, concentrates: the clear liquid that step 6) obtains is 55wt.% through MVR vaporizer pre-concentration to solid content, Pre-concentration liquid is refined through mixed bed, concentration, obtains glucose syrup.
After testing, in glucose syrup prepared by the present embodiment, content of beary metal is as follows: cadmium < 2 μ g/Kg, and arsenic is 1.5 μ g/ Kg, lead is 5 μ g/Kg, and copper is 7.5 μ g/Kg.
Embodiment 3:
1) pulverize, size mixing: weigh the rice of 100 mass parts, be transported to wash a meter tank after removing visible foreign, soak, be passed through Compressed air, makes grain of rice rolling, friction, the impurity on rinsing grain of rice surface, releases rice-washed water, repeat once, by rice after rinsing Grain is cleaned, and then pulverizes homogenizer through roll-type and mills pulping, adds 55~56 DEG C of water, and regulation pH value, obtaining concentration is 26~27 ° B é, pH value is the rice serosity of 5.7~5.8;
2) liquefaction: add the Liquozyme Supra 2.2X α-amylase accounting for rice quality 0.02% in rice serosity, stir Mix uniformly, at 99~100 DEG C, carry out one-level injection liquefaction, be incubated 50min after flash distillation, at 126~127 DEG C, then carry out two Level injection liquefaction, obtains liquefier;
3) streamline column insulation, solid-liquid separation: after liquefier flash distillation decrease temperature and pressure, stream adds the Liquozyme accounting for rice quality 0.02% Supra 2.2X α-amylase, enters back into multistage streamline column, and at 98 DEG C, the control laminar flow time is 70min, enters back into solid-liquid and divides From tank, add while stirring at 94~95 DEG C dilute hydrochloric acid solution regulation pH value to 5.8~5.9, stop stirring, stand 10min, Addition dilute hydrochloric acid solution regulation pH value is to 4.5~4.6 the most while stirring, stops stirring, stands 10min, divided from solid-liquid by clear liquid Release and import saccharifying tank from pot bottom, sugar slag is retained by tank inner hole plate;
4) rice protein nitrogen source is extracted: added by the sugared slag of step 3) in the hot water of 66~67 DEG C, stir, filter pressing, collect Sugar grain, is transferred to collecting tank after cleaning, homoiothermic to 63~64 DEG C, and regulation pH value, to 7.7~7.8, adds and is equivalent to sugar grain quality The alkaline fat enzyme hydrolysis 20h of 0.009%, then regulation pH value is to 5.9~6.1, is warming up to 95 DEG C, stirs 25min, filters White to rice candy Egg preserved in wine, it is subsequently adding the water of 7 times of volumes 56 DEG C, regulation pH value, to 4.0~4.1, adds and is equivalent to sugar grain quality The Fungal Acid Protease of 0.2% and the pepsin being equivalent to sugar grain quality 0.2%, after stirring reaction 11h, regulate pH value extremely 9.3~9.4, add the trypsin being equivalent to sugar grain quality 0.1% and the Chymotrypsin being equivalent to sugar grain quality 0.1%, continue Stirring reaction 11h, fine straining, being concentrated in vacuo to concentration is 85wt.%, obtains food stage rice protein nitrogen source, and protein content is 83.5wt.%, alpha-amido state nitrogen is 14.8wt.%;
5) saccharifying: by the clear liquid (solid content is 35~37wt.%) of the step 3) dilute hydrochloric acid solution regulation pH value of 5wt.% To 5.2~5.4, and add and be equivalent to sugar liquid and give money as a gift the barley beta-amylase of quality 0.01% and be equivalent to sugar liquid and give money as a gift quality The pullulanase of 0.002%, at 62 DEG C of cooperative saccharification 6h, adds and is equivalent to sugar liquid and gives money as a gift the glucoamylase of quality 0.002% Enzyme, continues saccharifying, and saccharified liquid DE value is to be warming up to 84 DEG C of enzyme denaturing when 53, is incubated 1h enzyme denaturing;
6) filtering without solid waste: the saccharified liquid of step 5) is warming up to 85 DEG C, enter microfiltration of ceramic membrane system, filtration pressure difference is 0.4MPa, cocnentration factor is 30, obtains clear liquid and slag inclusion concentrated solution, the clear liquid backflow that slag inclusion concentrated solution obtains through high speed centrifuge Entering microfiltration of ceramic membrane system, merge the stillness of night that microfiltration of ceramic membrane obtains, the centrifugal sugar grain obtained then enters the receipts in step 4) Collection tank;
7) mixed bed refines, concentrates: the clear liquid that step 6) obtains is 50wt.% through MVR vaporizer pre-concentration to solid content, Pre-concentration liquid is refined through mixed bed, concentration, obtains maltose syrup.
After testing, in maltose syrup prepared by the present embodiment, content of beary metal is as follows: cadmium < 2 μ g/Kg, and arsenic is 1.7 μ g/ Kg, lead is 6 μ g/Kg.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify, All should be the substitute mode of equivalence, within being included in protection scope of the present invention.

Claims (10)

1. the production technology of starch syrup prepared by a rice, it is characterised in that: comprise the following steps:
1) pulverizing, size mixing: rice carries out remove impurity, cleans, mill, add 54~the water of 57 DEG C, regulate pH value, obtaining concentration is 25 ~28 ° of B é, pH value is the rice serosity of 5.6~6.0;
2) liquefaction: add α-amylase in rice serosity, stir, carries out one-level injection liquefaction at 98~105 DEG C, dodges It is incubated 30~50min after steaming, then at 125~130 DEG C, carries out two-stage injection liquefaction, obtain liquefier;
3) streamline column insulation, solid-liquid separation: after liquefier flash distillation decrease temperature and pressure, stream adds α-amylase, enters back into multistage streamline column, At 95~100 DEG C, the control laminar flow time is 60~90min, enters back into solid-liquid layering tank, adds dilute hydrochloric acid at 85~95 DEG C Solution regulation pH value to 5.8~6.4, stand 5~10min, add dilute hydrochloric acid solution regulation pH value to 4.6~5.6, stand 5 ~10min, clear liquid to be released from solid-liquid separation pot bottom, sugar slag is retained by tank inner hole plate;
4) rice protein nitrogen source is extracted: the sugared slag of step 3) is added the hot water of 65~75 DEG C, stirs, filter pressing, will obtain Sugar grain clean after be transferred to collecting tank, homoiothermic to 55~65 DEG C, regulation pH value to 7.5~8.5, add alkaline lipase, water Solving 20~40h, then regulation pH value is to 5.0~6.5 or to isoelectric points of proteins, is warming up to 90~95 DEG C, stirs, mistake Filter, obtains rice candy Egg preserved in wine white, adds 55~60 DEG C of water, stir in rice candy Egg preserved in wine is white, regulation pH value to 2.0~5.0, Add protease A, stirring fully reaction, regulation pH value, to 9.0~10.5, adds Cathepsin B, and stirring fully reaction is filtered, Concentrate, obtain rice protein nitrogen source;
5) saccharifying: regulating step 3) the pH value of clear liquid to 4.2~5.6, homoiothermic to 56~66 DEG C, add saccharifying enzyme, the most instead Should, obtain saccharified liquid;
6) filter without solid waste: the temperature of regulation saccharified liquid, to 75~85 DEG C, carries out microfiltration of ceramic membrane, respectively obtains clear liquid and slag inclusion Concentrated solution, is centrifuged slag inclusion concentrated solution, and the centrifugal supernatant obtained carries out microfiltration of ceramic membrane again, merges microfiltration of ceramic membrane The stillness of night obtained, the extraction sugar Egg preserved in wine that the centrifugal sugared grain obtained carries out step 4) operates in vain;
7) mixed bed refines, concentrates: the clear liquid of step 6) is introduced MVR vaporizer, carries out pre-concentration, then it is refined, dense to carry out mixed bed Contracting, obtains starch syrup.
Production technology the most according to claim 1, it is characterised in that: step 2) and step 3) described in the consumption of α-amylase For rice quality 0.01%~0.04%.
Production technology the most according to claim 1, it is characterised in that: the percent mass of solid content in clear liquid described in step 3) Content is 35~40%.
Production technology the most according to claim 1, it is characterised in that: the consumption of alkaline lipase described in step 4) is sugar grain The 0.001%~0.1% of quality.
Production technology the most according to claim 1, it is characterised in that: protease A described in step 4) is Fungal Acid albumen At least one in enzyme, pepsin, the consumption of protease A is the 0.1%~1.0% of rice candy grain albumen quality.
Production technology the most according to claim 1, it is characterised in that: Cathepsin B described in step 4) is trypsin, rotten egg At least one in white enzyme, the consumption of Cathepsin B is the 0.1%~1.0% of rice candy grain albumen quality.
Production technology the most according to claim 1, it is characterised in that: alpha-amido state in rice protein nitrogen source described in step 4) The percentage by weight of nitrogen is 13.5%~15.0%.
Production technology the most according to claim 1, it is characterised in that: saccharifying enzyme described in step 5) be barley beta-amylase, At least one in fungal amylase, glucoamylase, pullulanase, lipase.
9. according to the production technology described in claim 1 or 8, it is characterised in that: the consumption of saccharifying enzyme described in step 5) is step 3) in, clear liquid is given money as a gift the 0.001%~0.07% of quality.
Production technology the most according to claim 1, it is characterised in that: the filtration pressure difference of microfiltration of ceramic membrane described in step 6) For 0.1MPa~0.5MPa, cocnentration factor is 5~50.
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CN107475322A (en) * 2017-07-25 2017-12-15 安徽万德生物科技有限公司 A kind of technique for preparing fructose syrup
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CN107287262A (en) * 2017-07-25 2017-10-24 安徽万德生物科技有限公司 A kind of preparation technology of starch syrup
CN107475322A (en) * 2017-07-25 2017-12-15 安徽万德生物科技有限公司 A kind of technique for preparing fructose syrup
CN108251471A (en) * 2017-12-09 2018-07-06 吉林中粮生化有限公司 A kind of method of paddy sugaring
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CN110343190A (en) * 2019-08-21 2019-10-18 福建农林大学 A kind of synchronous method for extracting hericium erinaceum polysaccharide and protein
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CN110540330B (en) * 2019-09-23 2021-06-22 南京钛净流体技术有限公司 Membrane integrated rice washing water recycling device and recycling method
CN110819671A (en) * 2019-11-05 2020-02-21 山东香驰健源生物科技有限公司 Maltodextrin and production process and application thereof
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CN110885867A (en) * 2019-12-04 2020-03-17 双桥(厦门)有限公司 Production process of corn starch syrup
CN112501226A (en) * 2020-11-27 2021-03-16 广州双桥(重庆)有限公司 Preparation method of syrup for medical lovastatin
CN113481259A (en) * 2021-07-13 2021-10-08 山东省科学院菏泽分院 Method for extracting starch syrup and rice protein isolate from broken rice
CN113481259B (en) * 2021-07-13 2023-06-13 山东省科学院菏泽分院 Method for extracting starch syrup and rice protein isolate by using broken rice

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Denomination of invention: A production process for preparing starch syrup from rice

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