CN101836728A - Enriched-nutrient composite rice and preparation method thereof - Google Patents
Enriched-nutrient composite rice and preparation method thereof Download PDFInfo
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- CN101836728A CN101836728A CN200810205121A CN200810205121A CN101836728A CN 101836728 A CN101836728 A CN 101836728A CN 200810205121 A CN200810205121 A CN 200810205121A CN 200810205121 A CN200810205121 A CN 200810205121A CN 101836728 A CN101836728 A CN 101836728A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/198—Dry unshaped finely divided cereal products, not provided for in groups A23L7/117 - A23L7/196 and A23L29/00, e.g. meal, flour, powder, dried cereal creams or extracts
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
- A23P20/10—Coating with edible coatings, e.g. with oils or fats
- A23P20/11—Coating with compositions containing a majority of oils, fats, mono/diglycerides, fatty acids, mineral oils, waxes or paraffins
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
- A23P30/20—Extruding
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Abstract
The invention relates to composite rice and a preparation method thereof, in particular to enriched-nutrient composite rice and a preparation method thereof. In the method, black rice, polished round-grained rice, long-shaped rice and sticky rice, which are used as raw materials, and natural rice undergo pre-screening, electrostatic dust removal, multistage grinding, test sieve and grain recovery processes in turn to give raw material powder and rice flour respectively. The raw material powder, water and an emulsifier are pre-mixed and then mixed with the rice flour, water, cellulous, a heat stabilizer, nutrients and a cross-linking agent at a certain temperature. The obtained mixture is formed by extrusion and cut into grains, and the outside surfaces of the obtained grains are coated with a layer of edible grease material. The obtained grains are pre-dried, dried at a high temperature and dried at a low temperature in turn; and the outside surfaces of the dried grains are coated with a layer of the edible grease material and cooled at a constant temperature and humidity, and thus, the composite rice is obtained. The preparation method disclosed by the method is simple and high in yield. The prepared composite rice has high nutrient content and has a similar shape with natural rice.
Description
Technical field
The present invention relates to a kind of composite rice and preparation method thereof, particularly composite rice of a kind of fortification and preparation method thereof belongs to food processing field.
Background technology
Account for Asia, the Middle East and the Hispanic resident of world population more than 2/3 with the staple food of cereal, satisfy the absorption of its daily calorie of absorption and nutrient as daily life.Yet nutrients such as the vitamin that contains in the cereal only can keep sub-fraction, and nutrients such as most vitamin are along with shell and endosperm together are removed through after milling in mill processes.
So in the cereal of a large amount of forfeitures of nutrient, add nutrients such as rational vitamin, trace element, essential amino acid, the comprehensive edible nourishing that improves cereal is worth, satisfy with cereal the resident's who is staple food the demand of nutrients such as vitamin, thereby prevent disease is kept fit, and has become a global problem.Yet how to come the nutrient content in the intensified cereal, technical scheme is not preferably arranged at present yet by low price, simple and efficient way.
Countries in the world are to the cereal of fortification, especially Mi research is a lot, mainly contain comparatively simple production method such as seed premixed technology, powder premixed technology, the artificial intensified rice technology of development afterwards, the pre-steaming method technology of acid, directly soak relatively more ripe production method such as suction method technology and coating method technology, and occur in recent years expanding microporous one solidify one and soak the production method of inhaling nutritional agents one multiple film.
The open text US1530248 of French Patent (FRP) discloses a kind of artificial kernels of fortification.This artificial kernels adopts the extruder extrude dough to become the pasty state structure by the dough and the vitamin preparation of wheat middling or flour, is cut into small pieces then, carries out drying.Yet, very poor, very easily cracked according to grain stability in the process of boiling of this method preparation, thus make the nutrient forfeiture.Same problem also is present in the Chinese patent 200510039229.7.
U.S. Pat 620762 discloses a kind of side for preparing eutrophic synthetic rice.This method is mixed ground rice, nutrients and adhesive, and cooking mixture makes starch half gelatine wherein then, and granulating at last obtains the grain of rice.Yet the time that the boiling of this method is handled is long and temperature is higher, can cause the bad of responsive micronutrient loses in performance and grain of rice taste.
U.S. Pat 5609896 discloses a kind of method that adopts extruding technology to prepare eutrophic synthetic rice.This method as heat stabilizer, adhesive, crosslinking agent etc., has overcome the problem that grain of rice less stable and vitamin run off by adding special additive.Yet the production process of this method comparatively complexity, performance difficulty, yield rate is low and cost is higher.
PCT International Application PCT/EP2004/012710 discloses a kind of method for preparing eutrophic reconstituted rice.This method is mixed Mi Jizhi, micronutrient, emulsifying agent and the water of pulverizing, and then mixture heating and extrusion molding is cut, and obtains particle.This method has been added one and has been preheated treatment step before extruding, and same use adhesive.Yet preheating processing procedure, this can't carry out full and uniform heating to mixture, and the softer and easy fragmentation of the product that makes.
Among same PCT International Application PCT/US96/02708, PCT/US95/00682, U.S. Pat 20070054029, US6139898, US5403606, US4886675, US3620762, BP GB1225070, Canadian Patent CA2558700 and the Australian Patent AU1808883 all in various degree have above-described problem and a defective.
Summary of the invention
It is a kind of through the composite rice of fortification and the method for making this composite rice, to remedy the deficiencies in the prior art that one object of the present invention is to provide.
The preparation method of the composite rice of a kind of fortification that the present invention relates to specifically comprises the steps:
Carry out prescreen with black rice, polished rice, long-grained nonglutinous rice, glutinous rice together as raw material and rice, the sieve decontamination is then to raw material and rice dedusting and pulverizing subsequently.Dedusting to raw material and rice further comprises electrostatic precipitation and high-pressure dust-cleaning, and multistage pulverizing is adopted in the pulverizing of raw material and rice.Adopt the particle after test sieve screening is pulverized respectively, out-of-size particle is reclaimed respectively and carries out multistage pulverization process again, obtain raw material powder and ground rice.
With 18～42 weight portion raw material powders and 8～22 weight parts water premixeds after pulverizing, and add 1～2 weight portion emulsifier for mixing, mixture to 60～80 that obtain of heating ℃, and to the water at low temperature steam of 80～90 ℃ of high-temperature vapors that wherein add and 60～70 ℃, temperature with the adjusting mixture is 70～80 ℃, and premixed obtained premix in 0.5～2.4 hour;
In the premix of gained, add 18～42 weight portion ground rice, 8～22 weight parts waters, mixture to 60～80 that obtain of heating ℃, and, it is 70～80 ℃ with the temperature of regulating mixture to the water at low temperature steam of 80～90 ℃ of high-temperature vapors that wherein add and 60～70 ℃.Add the nutrient and 1～2 weight portion crosslinking agent of 1～2 weight portion cellulose, 1～2 weight portion heat stabilizer, 1～2 weight portion in mixture, under 70～80 ℃ mixing temperature, mixed 1～6 hour, obtain mixture.
Described nutrient is one or more in vitamin A, vitamin B1, vitamin B2, vitamin B6, folic acid, nicotinic acid, cobalamin, vitamin C, vitamin E, vitamin K, trace element, riboflavin, VA amyl acetate, thiamine, zinc gluconate, calcium gluconae, the calcium lactate.
The mixture of gained is injected extruder, pushed heat treatment 0.5～5 minute at 80～100 ℃, mixture is extruded through the nib at extruder outlet place, and being rotated the cutter cutting, to obtain particle diameter be that 2～6mm, length are the particle of 7～19mm.To the particle coated one deck edible oil lipid material after the cutting, then the particle that produces in the step 3 is reclaimed and extrusion modling again.
The particle of gained is carried out high temperature drying, and baking temperature is 60～80 ℃, and 30～210 seconds drying times, dry back water content is 20～25%.
Particle to gained carries out multistage low temperature drying then, baking temperature is followed successively by 50～60 ℃, 40～50 ℃, 30～40 ℃ and 20～30 ℃, be all drying time 30 minutes to 10 hours, dried water content is followed successively by 16～21%, 14～19%, 12～17% and 10～15%.
Coating one deck edible fats on the particle of gained is that 15～25 ℃, humidity are constant temperature and humidity cooling 10～60 hours under 10～15% the environment in temperature, obtains product.
Product is carried out the look Selected Inspection test, reclaim substandard products and it is returned pulverizing again.
Qualified product is polished and adopted the edible pigment, its surface is sprayed dyeing and dry.
The invention still further relates to a kind of composite rice that adopts the fortification that method for preparing obtains.Described composite rice comprises 18～42 weight portion raw material powders, 18～42 weight portion ground rice, the nutrient of 1～2 weight portion cellulose, 1～2 weight portion heat stabilizer, 1～2 weight portion and 1～2 weight portion crosslinking agent, the water content of described composite rice is 10～15%.Described nutrient is one or more in vitamin A, vitamin B1, vitamin B2, vitamin B6, folic acid, nicotinic acid, cobalamin, vitamin C, vitamin E, vitamin K, trace element, riboflavin, VA amyl acetate, thiamine, zinc gluconate, the calcium lactate.
The composite rice of fortification of the present invention has the profile identical or close with natural rice, and has boil time identical or close with natural rice.
Raw material powder after the adding of described emulsifying agent is convenient to pulverize, ground rice mix with water, and the composite rice particle surface of avoiding making at last ftractures.
Described cellulose provides a fiber reinforcement of playing a supporting role for mixture, thereby contain fiber reinforcement in the feasible composite rice particle that makes at last with certain support force, hardness with the hardness that guarantees the composite rice particle and natural rice is close, and avoid composite rice because too soft and distortion or damaged in flow processs such as drying thereafter, thereby reduce percent defective.
Described heat stabilizer is used for protecting the various nutrients that are added into mixture thereafter, avoiding the too high and inactivation or destroyed of above-mentioned nutrient Yin Wendu in preparation process, thereby has guaranteed the content of nutrient in the composite rice.
Described nutrient can freely be chosen according to concrete needs and prescription.The scope of above-mentioned nutrient is not limited in nutrient cited in claim and the specification.
The mixture of described raw material powder, ground rice and water half gelatine gradually under heating condition, add described crosslinking agent, be convenient to impel the cross-linking reaction between starch molecule, thereby make the composite rice that makes have better elastic, internal bond power, surperficial cohesive force, thereby avoid the fragmentation of composite rice particle, face checking.The adding of crosslinking agent simultaneously can reduce in order to impel the heat time heating time of half gelatine, avoids nutrient because of long inactivation or destroyed heat time heating time.
Be the composite rice face checking of avoiding this particle in dry run subsequently, may bring because of moisture loss in the purpose of extruding particle outer surface coating one deck edible oil lipid material that back cutting obtains.
The purpose of described high temperature drying is to make that the water content of particle reduces fast, but should lack the composite rice face checking to avoid moisture to scatter and disappear and caused fast drying time.
Adopt the purpose of described multistage low temperature drying to be, what the moisture that makes the composite rice particle step by step was slowly gentle scatters and disappears, and avoids the fast and internal moisture of particle outer surface the moisture loss slow dry insufficient and particle outer surface problems of crack of bringing of scattering and disappearing.
Purpose at dried particle outer surface coating one deck edible oil lipid material is further to avoid the damaged and cracking of particle; and the described long-time constant temperature and humidity that adopts thereafter handle can be so that the water content of composite rice be stable within the specific limits, and make the material of composite rice outer surface coating form layer protecting film gradually.The stability of the composite rice that the process constant temperature and humidity is handled better.
Ground, the choosing back composite rice particle of selectively checking colors carries out post processing further, promptly polishes and dyes, so that composite rice is approaching more in shape and natural rice.
In all preparation process waste material can both be reclaimed, and correspondingly handle again, thus in this preparation flow loss of material extremely low.
Description of drawings
Fig. 1 is a whole preparation flow schematic diagram of the present invention.
Fig. 2 is the idiographic flow schematic diagram of dedusting pulverising step of the present invention.
Fig. 3 is the idiographic flow schematic diagram of material blend step of the present invention.
Fig. 4 is the idiographic flow schematic diagram of extrusion modling step of the present invention.
Fig. 5 is the idiographic flow schematic diagram of the dry cooling step of the present invention.
Fig. 6 is the idiographic flow schematic diagram of test package step of the present invention.
The specific embodiment
According to claim of the present invention and the disclosed preparation method of summary of the invention, the technical scheme of composite rice for preparing a kind of fortification is specific as follows described.
Embodiment one:
According to Fig. 2:
Flow process 1, in black rice, polished rice, long-grained nonglutinous rice, the glutinous rice one or more are carried out prescreen, the sieve decontamination adopts electrostatic precipitation and high-pressure dust-cleaning method that above-mentioned raw material are carried out dedusting then, carries out multistage pulverizing subsequently, obtains 60～160 purpose raw material powders.Adopt test sieve, out-of-size particle is reclaimed carry out multipole pulverizing again.The experimental data of described raw-material material composition and weight proportion scope thereof, preferred weight proportioning is as follows:
Flow process 2, rice is carried out prescreen, the sieve decontamination then to the rice dedusting and carry out multistage pulverizing subsequently, obtains 60～160 purpose ground rice.Adopt test sieve, out-of-size particle is reclaimed carry out multipole pulverizing again.
According to Fig. 3;
Flow process 3, get 18～42 weight portion raw material powders, 8～22 weight parts waters and 1～2 weight portion emulsifying agent, mixture to 60～80 that obtain of heating ℃, and to the water at low temperature steam of 80～90 ℃ of high-temperature vapors that wherein add and 60～70 ℃, temperature with the adjusting mixture is 70～80 ℃, carry out premixed 0.5～2.4 hour, and obtained premix.
Described emulsifying agent is a fatty acid mono glycidol, in sucrose ester, sorbose alcohol ester, soybean lecithin, lauric monoglyceride, the methyl glycol fatty acid ester one or more, its weight proportion are 0～60%, 0～40%, 0～35%, 0～40%, 0～60%, 0～35%.
Flow process 4, add 18～42～weight portion ground rice, 8～22 weight parts waters in premix, mix under 60～80 ℃ of heating conditions, adding 80～90 ℃ high-temperature vapor and 60～70 ℃ water at low temperature steam is 70～80 ℃ to regulate mixing temperature.In the mixture that is mixing, add the nutrient and 1～2 weight portion crosslinking agent of 1～2 weight portion cellulose, 1～2 weight portion heat stabilizer, 1～2 weight portion subsequently successively, under 70～80 ℃ of mixing temperatures, mixed 1～6 hour, obtain mixture.
Described heat stabilizer is one or more in sulphite, calcium chloride, magnesium chloride (bittern), disodium ethylene diamine tetraacetate, the glucono-, and its weight proportion is 0～60%, 0～60%, 0～60%, 0～60%, 0～60%.
Described nutrient is one or more in vitamin A, vitamin B1, vitamin B2, vitamin B6, folic acid, nicotinic acid, cobalamin, vitamin C, vitamin E, vitamin K, riboflavin, VA amyl acetate, thiamine, zinc gluconate, calcium gluconae, the calcium lactate, and its weight proportion is 0～50%, 0～30%, 0～30%, 0～30%, 0～30%, 0～30%, 0～30%, 0～50%, 0～30%, 0～30%, 0～10%, 0～10%, 0～10%, 0～10%, 0～10%, 0～10%.
Described crosslinking agent is one or more in glyceraldehyde, glutaraldehyde, volatile acid, ammoniacal liquor, protein, the gel, and its weight proportion is 0～70%, 0～70%, 0～30%, 0～30%, 0～30%, 0～30%.
According to Fig. 4:
Flow process 5, mixture is injected extruder, pushed heat treatment 0.5～5 minute at 80～100 ℃, mixture B extrudes through the nib at extruder outlet place, and being rotated the cutter cutting, to obtain particle diameter be that 2～6mm, length are particle after the extruding of 7～19mm.
Flow process 6, after extruding outer surface coating one deck edible oil lipid material of particle, obtain applying the back particle, particle is reclaimed and extrusion modling again.
Described edible oil lipid material is one or more in oleic acid, linoleic acid, leukotrienes and the derivative thereof, and its weight proportion is 0～90%, 0～90%, 0～90%.
According to Fig. 5:
Flow process 7, will apply the back particle and carry out high temperature drying, baking temperature is 60～80 ℃, 30～210 seconds drying times, makes that the water content of dry back particle is 20～25%.
Flow process 8, the particle after the high temperature drying is carried out multistage low temperature drying:
8.1 one-level low temperature drying: 50～60 ℃ of baking temperatures, 30 minutes to 10 hours drying time, the water content of dry back particle D is 16～21%;
8.2 secondary low temperature drying: 40～50 ℃ of baking temperatures, 30 minutes to 10 hours drying time, the water content of dry back particle D is 14～19%;
8.3 three grade low-temp dryings: 30～40 ℃ of baking temperatures, 30 minutes to 10 hours drying time, the water content of dry back particle D is 12～17%;
8.4 level Four low temperature drying: 20～30 ℃ of baking temperatures, 30 minutes to 10 hours drying time, the water content of dry back particle D is 10～15%.
The outer surface of flow process 9, the particle after multistage low temperature drying coating one deck edible oil lipid material is that 15～25 ℃, humidity are constant temperature and humidity cooling 10～60 hours under 10～15% the environment in temperature, obtains the primary product particle.
Described edible oil lipid material is one or more in oleic acid, linoleic acid, leukotrienes and the derivative thereof, and its weight proportion is 0～90%, 0～90%, 0～90%.
According to Fig. 6:
Flow process 10, utilize look to select instrument that the primary product particle is carried out the look Selected Inspection to test, obtain product particle, substandard products are reclaimed and pulverize again.
Flow process 11, beat product particle, and its surface spraying one deck edible pigment is dyeed, on conveyer belt, the free convection drying obtains composite rice, and packs subsequently.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 18～42 weight portion raw material powders, 18～42 weight portion ground rice, the nutrient of 1～2 weight portion cellulose, 1～2 weight portion heat stabilizer, 1～2 weight portion and 1～2 weight portion crosslinking agent, the water content of described composite rice is 10～15%.
Described heat stabilizer is one or more in sulphite, calcium chloride, magnesium chloride (bittern), disodium ethylene diamine tetraacetate, the glucono-, and its weight proportion is 0～50%, 0～50%, 0～50%, 0～50%, 0～50%.
Described nutrient is one or more in vitamin A, vitamin B1, vitamin B2, vitamin B6, folic acid, nicotinic acid, cobalamin, vitamin C, vitamin E, vitamin K, trace element, riboflavin, VA amyl acetate, thiamine, zinc gluconate, calcium gluconae, the calcium lactate, and its weight proportion is 0～50%, 0～30%, 0～30%, 0～30%, 0～20%, 0～20%, 0～30%, 0～50%, 0～30%, 0～30%, 0～10%, 0～10%, 0～10%, 0～10%, 0～10%, 0～20%.
Described crosslinking agent is one or more in glyceraldehyde, glutaraldehyde, volatile acid, ammoniacal liquor, protein, the gel, and its weight proportion is 0～50%, 0～50%, 0～30%, 0～30%, 0～30%, 0～30%.
Embodiment two:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1,60 order raw material powders, 10 weight parts waters and the 1 weight portion emulsifying agent that adopts 20 weight portions in the flow process 3 obtains premix 70 ℃ of following premixeds of mixing temperature 1.0 hours.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 60 order ground rice, 10 weight parts waters, 1 weight portion cellulose, 1 weight portion heat stabilizer, 1 weight portion of 20 weight portions and 1 weight portion crosslinking agent under 70 ℃ of mixing temperatures, 6 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 80 ℃, time are 5 minutes.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 25 ℃, humidity are 15%, the time is 60 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 20 weight portion raw material powders, 20 weight portion ground rice, the nutrient of 1 weight portion cellulose, 1 weight portion heat stabilizer, 1 weight portion and 1 weight portion crosslinking agent, the water content of described composite rice is 15%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment three:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 70 order raw material powders, 10 weight parts waters and the 1.5 weight portion emulsifying agents of 20 weight portions in the flow process 3 is 71 ℃ of following premixeds 0.8 hour at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 70 order ground rice, 10 weight parts waters, 1.5 weight portion celluloses, 1.5 weight portion heat stabilizers, 1.5 weight portions of 30 weight portions and 1.5 weight portion crosslinking agents under mixing temperature is 71 ℃, 6 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 80 ℃, time are 5 minutes.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 24 ℃, humidity are 14.5%, the time is 55 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 20 weight portion raw material powders, 30 weight portion ground rice, 1.5 the nutrient of weight portion cellulose, 1.5 weight portion heat stabilizers, 1.5 weight portions and 1.5 weight portion crosslinking agents, the water content of described composite rice is 14.5%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment four:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 80 order raw material powders, 10 weight parts waters and the 2 weight portion emulsifying agents of 20 weight portions in the flow process 3 is 72 ℃ of following premixeds 0.6 hour at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 80 order ground rice, 10 weight parts waters, 2 weight portion celluloses, 2 weight portion heat stabilizers, 2 weight portions of 40 weight portions and 2 weight portion crosslinking agents under mixing temperature is 72 ℃, 5 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 85 ℃, time are 4 minutes.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 23 ℃, humidity are 14%, the time is 50 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 20 weight portion raw material powders, 40 weight portion ground rice, the nutrient of 2 weight portion celluloses, 2 weight portion heat stabilizers, 2 weight portions and 2 weight portion crosslinking agents, the water content of described composite rice is 14%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment five:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 90 order raw material powders, 15 weight parts waters and the 1 weight portion emulsifying agent of 30 weight portions in the flow process 3 is 73 ℃ of following premixeds 1.6 hours at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 90 order ground rice, 15 weight parts waters, 1 weight portion cellulose, 1 weight portion heat stabilizer, 1 weight portion of 20 weight portions and 1 weight portion crosslinking agent under mixing temperature is 73 ℃, 5 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 85 ℃, time are 4 minutes.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 22 ℃, humidity are 13.5%, the time is 45 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 30 weight portion raw material powders, 20 weight portion ground rice, the nutrient of 1 weight portion cellulose, 1 weight portion heat stabilizer, 1 weight portion and 1 weight portion crosslinking agent, the water content of described composite rice is 13.5%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment six:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 100 order raw material powders, 15 weight parts waters and the 1.5 weight portion emulsifying agents of 30 weight portions in the flow process 3 is 74 ℃ of following premixeds 1.4 hours at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 100 order ground rice, 15 weight parts waters, 1.5 weight portion celluloses, 1.5 weight portion heat stabilizers, 1.5 weight portions of 30 weight portions and 1.5 weight portion crosslinking agents under mixing temperature is 74 ℃, 4 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 90 ℃, time are 3 minutes.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 21 ℃, humidity are 13%, the time is 40 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 30 weight portion raw material powders, 30 weight portion ground rice, 1.5 the nutrient of weight portion cellulose, 1.5 weight portion heat stabilizers, 1.5 weight portions and 1.5 weight portion crosslinking agents, the water content of described composite rice is 13%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment seven:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 110 order raw material powders, 15 weight parts waters and the 2 weight portion emulsifying agents of 30 weight portions in the flow process 3 is 75 ℃ of following premixeds 1.2 hours at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 110 order ground rice, 15 weight parts waters, 2 weight portion celluloses, 2 weight portion heat stabilizers, 2 weight portions of 40 weight portions and 2 weight portion crosslinking agents under mixing temperature is 75 ℃, 4 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 90 ℃, time are 3 minutes.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 20 ℃, humidity are 12.5%, the time is 35 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 30 weight portion raw material powders, 40 weight portion ground rice, the nutrient of 2 weight portion celluloses, 2 weight portion heat stabilizers, 2 weight portions and 2 weight portion crosslinking agents, the water content of described composite rice is 12.5%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment eight:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 120 order raw material powders, 20 weight parts waters and the 1 weight portion emulsifying agent of 40 weight portions in the flow process 3 is 76 ℃ of following premixeds 2.2 hours at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 120 order ground rice, 20 weight parts waters, 1 weight portion cellulose, 1 weight portion heat stabilizer, 1 weight portion of 20 weight portions and 1 weight portion crosslinking agent under mixing temperature is 76 ℃, 3 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 95 ℃, time are 2 minutes.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 19 ℃, humidity are 12%, the time is 30 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 40 weight portion raw material powders, 20 weight portion ground rice, the nutrient of 1 weight portion cellulose, 1 weight portion heat stabilizer, 1 weight portion and 1 weight portion crosslinking agent, the water content of described composite rice is 12%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment nine:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 130 order raw material powders, 20 weight parts waters and the 1.5 weight portion emulsifying agents of 40 weight portions in the flow process 3 is 77 ℃ of following premixeds 2.0 hours at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 130 order ground rice, 20 weight parts waters, 1.5 weight portion celluloses, 1.5 weight portion heat stabilizers, 1.5 weight portions of 30 weight portions and 1.5 weight portion crosslinking agents under mixing temperature is 77 ℃, 3 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 95 ℃, time are 2 minutes.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 18 ℃, humidity are 11.5%, the time is 25 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 40 weight portion raw material powders, 30 weight portion ground rice, 1.5 the nutrient of weight portion cellulose, 1.5 weight portion heat stabilizers, 1.5 weight portions and 1.5 weight portion crosslinking agents, the water content of described composite rice is 11.5%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment ten:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 140 order raw material powders, 20 weight parts waters and the 2 weight portion emulsifying agents of 40 weight portions in the flow process 3 is 78 ℃ of following premixeds 1.8 hours at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 140 order ground rice, 20 weight parts waters, 2 weight portion celluloses, 2 weight portion heat stabilizers, 2 weight portions of 40 weight portions and 2 weight portion crosslinking agents under mixing temperature is 78 ℃, 2 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 100 ℃, time are 1 minute.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 17 ℃, humidity are 11%, the time is 20 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 40 weight portion raw material powders, 40 weight portion ground rice, the nutrient of 2 weight portion celluloses, 2 weight portion heat stabilizers, 2 weight portions and 2 weight portion crosslinking agents, the water content of described composite rice is 11%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment 11:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 150 order raw material powders, 20 weight parts waters and the 2 weight portion emulsifying agents of 40 weight portions in the flow process 3 is 79 ℃ of following premixeds 2.0 hours at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 150 order ground rice, 20 weight parts waters, 1 weight portion cellulose, 2 weight portion heat stabilizers, 2 weight portions of 20 weight portions and 1 weight portion crosslinking agent under mixing temperature is 79 ℃, 2 hours condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 100 ℃, time are 1 minute.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
6, the temperature of the constant temperature and humidity cooling of rice usefulness is that 16 ℃, humidity are 10.5% in the flow process 9, the time is 15 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 40 weight portion raw material powders, 20 weight portion ground rice, the nutrient of 1 weight portion cellulose, 2 weight portion heat stabilizers, 2 weight portions and 1 weight portion crosslinking agent, the water content of described composite rice is 10.5%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Embodiment 12:
Adopt as embodiment one described preparation flow 1～11, prepare the composite rice of fortification with following technical parameter:
1, adopting 160 order raw material powders, 20 weight parts waters and the 2 weight portion emulsifying agents of 40 weight portions in the flow process 3 is 80 ℃ of following premixeds 2.0 hours at mixing temperature, obtains premix.
The experimental data of the material composition of described emulsifying agent and weight proportion scope thereof, preferred weight proportioning is as follows:
2, adopt the nutrient of 160 order ground rice, 20 weight parts waters, 2 weight portion celluloses, 1 weight portion heat stabilizer, 1 weight portion of 20 weight portions and 2 weight portion crosslinking agents under mixing temperature is 80 ℃, 1 hour condition of incorporation time, to mix in the flow process 4 and obtain mixture.
The experimental data of the material composition of described heat stabilizer and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described nutrient and weight proportion scope thereof, preferred weight proportioning is as follows:
The experimental data of the material composition of described crosslinking agent and weight proportion scope thereof, preferred weight proportioning is as follows:
3, adopting the extruding heat treatment temperature in the flow process 5 is that 100 ℃, time are 1 minute.
4, the experimental data of the material of the edible oil lipid material that adopts in the flow process 6 and 9 composition and weight proportion scope thereof, preferred weight proportioning is as follows:
5, the parameter of high temperature drying that adopts in the flow process 7 and 8 and multistage low temperature drying is as follows:
The temperature of the constant temperature and humidity cooling of 6, adopting in the flow process 9 is that 15 ℃, humidity are 10%, the time is 10 hours.
The composite rice of the fortification that the above-mentioned preparation flow of process obtains, comprise 40 weight portion raw material powders, 20 weight portion ground rice, the nutrient of 2 weight portion celluloses, 1 weight portion heat stabilizer, 1 weight portion and 2 weight portion crosslinking agents, the water content of described composite rice is 10%.
The composition of described cellulose, heat stabilizer, nutrient and crosslinking agent as mentioned above.
Adopted multiple additives among the present invention, its effect is as follows:
Raw material powder after the adding of described emulsifying agent is convenient to pulverize, ground rice mix with water, and the composite rice particle surface of avoiding making at last ftractures.
Described cellulose provides a fiber reinforcement of playing a supporting role for mixture, thereby contain fiber reinforcement in the feasible composite rice particle that makes at last with certain support force, hardness with the hardness that guarantees the composite rice particle and natural rice is close, and avoid composite rice because too soft and distortion or damaged in flow processs such as drying thereafter, thereby reduce percent defective.
Described heat stabilizer is used for protecting the various nutrients that are added into mixture thereafter, avoiding the too high and inactivation or destroyed of above-mentioned nutrient Yin Wendu in preparation process, thereby has guaranteed the content of nutrient in the composite rice.
Described nutrient can freely be chosen according to concrete needs and prescription.The scope of above-mentioned nutrient is not limited in nutrient cited in claim and the specification.
The mixture of described raw material powder, ground rice and water half gelatine gradually under heating condition, add described crosslinking agent, be convenient to impel the cross-linking reaction between starch molecule, thereby make the composite rice that makes have better elastic, internal bond power, surperficial cohesive force, thereby avoid the fragmentation of composite rice particle, face checking.The adding of crosslinking agent simultaneously can reduce in order to impel the heat time heating time of half gelatine, avoids nutrient because of long inactivation or destroyed heat time heating time.
Be the composite rice face checking of avoiding this particle in dry run subsequently, may bring because of moisture loss in the purpose of extruding particle outer surface coating one deck edible oil lipid material that back cutting obtains.
The purpose of described high temperature drying is to make that the water content of particle reduces fast, but should lack the composite rice face checking to avoid moisture to scatter and disappear and caused fast drying time.
Adopt the purpose of described multistage low temperature drying to be, what the moisture that makes the composite rice particle step by step was slowly gentle scatters and disappears, and avoids the fast and internal moisture of particle outer surface the moisture loss slow dry insufficient and particle outer surface problems of crack of bringing of scattering and disappearing.
Purpose at dried particle outer surface coating one deck edible oil lipid material is further to avoid the damaged and cracking of particle; and the described long-time constant temperature and humidity that adopts thereafter handle can be so that the water content of composite rice be stable within the specific limits, and make the material of composite rice outer surface coating form layer protecting film gradually.The stability of the composite rice that the process constant temperature and humidity is handled better.
Ground, the choosing back composite rice particle of selectively checking colors carries out post processing further, promptly polishes and dyes, so that composite rice is approaching more in shape and natural rice.
In all preparation process waste material can both be reclaimed, and correspondingly handle again, thus in this preparation flow loss of material extremely low.
To sum up, technical advantage of the present invention is that the composite rice of the fortification for preparing not only has the profile similar or close to natural rice, and has boil time and the hardness similar or close to natural rice, and be not easy breakage, and preparation method's technological process of the present invention is simple, the productive rate height
Claims (10)
1. the preparation method of the composite rice of a fortification is characterized in that, may further comprise the steps:
Step 1: the dedusting pulverising step, raw material and rice are carried out prescreen, the sieve decontamination, to raw material and rice dedusting and pulverizing subsequently, described step 1 further comprises then:
Step 1.1: in black rice, polished rice, long-grained nonglutinous rice, the glutinous rice one or more are carried out prescreen, and the sieve decontamination then to above-mentioned raw material dedusting and pulverize subsequently, obtains raw material powder;
Step 1.2: rice is carried out prescreen, and the sieve decontamination to rice dedusting and pulverizing subsequently, obtains ground rice then;
Step 2: the material blend step, raw material powder, ground rice, water to be mixed with additive, described step 2 further comprises:
Step 2.1: pre-blend step, with 18～42 weight portion raw material and 8～22 weight parts water premixeds after pulverizing, and add 1～2 weight portion emulsifier for mixing, premixed obtained mixture in 0.5～2.4 hour;
Step 2.2: reinforced blend step adds the further mixing of 18～42 weight portion ground rice, 8～22 weight parts waters and 1～2 weight portion nutrient and obtained mixture in 1～6 hour in the mixture of pre-blend step;
Step 3: extrusion modling step, the mixture that reinforced blend step is obtained injects extruder, under 80～100 ℃ of conditions, pushed heat treatment 0.5～5 minute, mixture is extruded through the nib at extruder outlet place, and being rotated cutter cuttings, to obtain particle diameter be that 2～6mm, length are the particle of 7～19mm;
Step 4: dry cooling step, the particle that the extrusion modling step is obtained dry to water content be 10～15%, and apply one deck edible oil lipid material thereon, and be that 15～25 ℃, humidity are constant temperature and humidity cooling 10～60 hours under 10～15% the environment in temperature, obtain product.
2. the preparation method of the composite rice of a kind of fortification as claimed in claim 1, it is characterized in that, in described step 1.1 and the step 1.2, the dedusting of raw material and rice is further comprised electrostatic precipitation and high-pressure dust-cleaning, multistage pulverizing is adopted in the pulverizing of raw material and rice;
In described step 1.1 and step 1.2, adopt the particle after test sieve screening is pulverized respectively, out-of-size particle is reclaimed respectively and carries out multistage pulverization process again.
3. the preparation method of the composite rice of a kind of fortification as claimed in claim 1 is characterized in that:
In the described step 2.1, the mixture that obtains is heated to 60～80 ℃, and to wherein adding 80～90 ℃ high-temperature vapor and 60～70 ℃ water at low temperature steam, with temperature to 70～80 of regulating mixture ℃;
In the described step 2.2, the mixture that obtains is heated to 60～80 ℃, and to wherein adding 80～90 ℃ high-temperature vapor and 60～70 ℃ water at low temperature steam, with temperature to 70～80 of regulating mixture ℃;
In described step 2.2, in mixture, add 1～2 weight portion cellulose, 1～2 weight portion heat stabilizer and 1～2 weight portion crosslinking agent.
4. the preparation method of the composite rice of a kind of fortification as claimed in claim 1, it is characterized in that described nutrient is one or more in vitamin A, vitamin B1, vitamin B2, vitamin B6, folic acid, nicotinic acid, cobalamin, vitamin C, vitamin E, vitamin K, trace element, riboflavin, VA amyl acetate, thiamine, zinc gluconate, calcium gluconae, the calcium lactate.
5. the preparation method of the composite rice of a kind of fortification as claimed in claim 1 is characterized in that, in the described step 3, to the particle coated one deck edible oil lipid material after the cutting, then the particle that produces in the step 3 is reclaimed and extrusion modling again.
6. the preparation method of the composite rice of a kind of fortification as claimed in claim 1 is characterized in that, described step 4 further comprises:
Step 4.1: the particle in the step 3 is carried out high temperature drying, and baking temperature is 60～80 ℃, and 30～210 seconds drying times, dry back water content is 20～25%;
Step 4.2: the particle in the step 4.1 is carried out low temperature drying, and baking temperature is 20～60 ℃, and be 120 minutes to 40 hours drying time, and dry back water content is 10～15%.
7. the preparation method of the composite rice of a kind of fortification as claimed in claim 6, it is characterized in that, low temperature drying in the described step 4.2 is multistage low temperature drying, baking temperature is followed successively by 50～60 ℃, 40～50 ℃, 30～40 ℃ and 20～30 ℃, be all drying time 30 minutes to 10 hours, dried water content is followed successively by 16～21%, 14～19%, 12～17% and 10～15%.
8. the preparation method of the composite rice of a kind of fortification as claimed in claim 1 is characterized in that, also comprises step 5 after the described step 4: the product in the step 4.2 is carried out the look Selected Inspection test, reclaim substandard products and it is back to reducing mechanism in the step 1.
9. the preparation method of the composite rice of a kind of fortification as claimed in claim 8 is characterized in that, comprises that also a product that step 5 is obtained polishes and adopt the edible pigment that its surface is sprayed dyeing and dry step.
10. the composite rice according to the fortification of the described method preparation of claim 1 to 9 is characterized in that described composite rice has the profile identical or close with natural rice.
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| CN200810205121A CN101836728A (en) | 2008-12-31 | 2008-12-31 | Enriched-nutrient composite rice and preparation method thereof |
| PCT/CN2010/000247 WO2010075816A1 (en) | 2008-12-31 | 2010-03-01 | Nutrition enriched compound rice and preparing method thereof |
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| CN200810205121A CN101836728A (en) | 2008-12-31 | 2008-12-31 | Enriched-nutrient composite rice and preparation method thereof |
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| CN103494120A (en) * | 2013-09-27 | 2014-01-08 | 合肥珠光粮油贸易有限公司 | Healthcare composite rice and preparation method thereof |
| CN103609954A (en) * | 2013-11-28 | 2014-03-05 | 福建新顺成食品科技有限公司 | Five-grain rice and preparation method thereof |
| CN103609954B (en) * | 2013-11-28 | 2016-08-17 | 福建新顺成食品科技有限公司 | A kind of Five-grain rice and preparation method thereof |
| CN104855833A (en) * | 2015-06-11 | 2015-08-26 | 北京凯宾鸿生物医药科技有限公司 | Method for processing nutrition enhanced rice |
| CN107348358A (en) * | 2017-07-26 | 2017-11-17 | 安徽省福宁米业有限公司 | A kind of preparation method of modified soybean dietary fiber nutrient rice |
| CN110353169A (en) * | 2019-08-19 | 2019-10-22 | 青铜峡市叶盛地三米业有限责任公司 | A kind of preparation method of Nutritive Rice |
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