WO2010075818A1 - 一种营养强化的复原米及其制备方法 - Google Patents

一种营养强化的复原米及其制备方法 Download PDF

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WO2010075818A1
WO2010075818A1 PCT/CN2010/000249 CN2010000249W WO2010075818A1 WO 2010075818 A1 WO2010075818 A1 WO 2010075818A1 CN 2010000249 W CN2010000249 W CN 2010000249W WO 2010075818 A1 WO2010075818 A1 WO 2010075818A1
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weight
rice
parts
drying
temperature
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PCT/CN2010/000249
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English (en)
French (fr)
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刘�英
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上海亦晨信息科技发展有限公司
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Publication of WO2010075818A1 publication Critical patent/WO2010075818A1/zh

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A23L3/30Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating by treatment with ultrasonic waves
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • A23L7/196Products in which the original granular shape is maintained, e.g. parboiled rice

Definitions

  • the invention relates to a restored rice and a preparation method thereof, in particular to a nutritionally enhanced restored rice and a preparation method thereof, and belongs to the field of food processing. Background technique
  • French patent publication US 1530248 discloses a nutritionally fortified artificial grain.
  • the artificial grain is prepared from dough and vitamins of semolina or flour, and the dough is extruded into a paste structure by an extruder, and then cut into small pieces and dried.
  • the grain prepared according to this method has poor stability during cooking and is extremely fragile, thereby losing nutrients.
  • U.S. Patent No. 6,200,762 discloses a party for the preparation of eutrophic artificial rice. The method mixes rice flour, nutrients, and a binder, and then cooks the mixture to semi-gelatinize the starch therein, and finally granulates to obtain rice grains. However, the method has a longer cooking time and a higher temperature, which results in loss of sensitive micronutrient properties and poor taste of the rice grains.
  • U.S. Patent No. 5,609,896 discloses a process for the preparation of eutrophic artificial rice using extrusion techniques.
  • the method overcomes the problem of poor stability of the rice grains and loss of vitamins by adding specific additives such as heat stabilizers, binders, cross-linking agents and the like.
  • specific additives such as heat stabilizers, binders, cross-linking agents and the like.
  • the production process of the method is complicated, difficult to implement, low in yield and high in cost.
  • PCT International Application PCT/EP2004/012710 discloses a method of preparing eutrophicated reconstituted rice. The method mixes the pulverized rice substrate, the micronutrient, the emulsifier and water, and then heats the mixture and extrudes it for cutting to obtain granules. This method adds a preheating step before extrusion and uses the same adhesive. However, this preheating process does not allow sufficient and uniform heating of the mixture, and the resulting product is soft and easily broken.
  • the invention relates to a method for preparing a nutritionally enhanced restored rice, which comprises the following steps:
  • Pre-screening is carried out using rice or broken rice as a raw material, impurities are removed, and then the raw material is dusted and then pulverized.
  • the dust removal of raw materials further includes electrostatic dust removal and high-pressure dust removal, and multi-stage pulverization is used for the pulverization of raw materials.
  • the sieved sieve is used to screen the pulverized particles, and the unqualified particles are recovered and re-processed in multiple stages.
  • the nutrients are vitamins, vitamin B1, vitamin B2, vitamin B6, One or more of folic acid, niacin, vitamin B12, vitamin C, vitamin E, vitamin K, trace elements, riboflavin, VA acetate, thiamine, zinc gluconate, calcium gluconate, calcium lactate.
  • the mixture was poured into an extruder, and subjected to extrusion heat treatment at 80 to 100 ° C for 0.5 to 5 minutes, and the mixture was extruded through a die hole at the exit of the extruder and cut by a rotary cutter to obtain a particle size of 2 Particles of ⁇ 6m m and length 7 ⁇ 19 hidden.
  • the cut granules are coated with an edible oily substance, and then the granules produced in the step 3 are recovered and re-extruded.
  • the obtained granules are dried at a high temperature, the drying temperature is 60 to 80 Torr, the drying time is 30 to 210 seconds, and the water content after drying is 20 to 25
  • the obtained granules are subjected to multi-stage low-temperature drying at a temperature of 50 to 60 ° C, 40 to 50 ° C, 30 to 40 ° C and 20 to 30, and the drying time is 30 minutes to 10 hours, after drying.
  • the water content is 16 to 21%, 14 to 19%, 12 to 17%, and 10 to 15%, respectively.
  • the obtained granules are coated with an edible fat and oil, and the product is obtained by a constant temperature and humidity of 10 to 60 hours at a temperature of 15 to 25° (in a humidity of 10 to 15%).
  • Qualified products are sanded and beige white edible pigments are applied, the surface of which is spray dyed and dried.
  • the present invention also relates to a nutritionally fortified restored rice prepared by the above method.
  • the recovered rice comprises 40 to 80 parts by weight of the pulverized rice raw material, 1 to 2 parts by weight of cellulose, 1 to 2 parts by weight of heat stabilizer, 1 to 2 parts by weight of nutrient, and 1 to 2 parts by weight of a crosslinking agent.
  • the water content of the recovered rice is 10 to 15%.
  • the nutrients are vitamins 3 ⁇ 4A, vitamin B1, vitamin B2, vitamin B6, folic acid, niacin, vitamin B12, vitamin C; vitamin E, vitamin K, trace elements, riboflavin, VA acetate, thiamine One or more of zinc gluconate and calcium lactate.
  • the nutritionally enhanced restored rice of the present invention has the same or similar color and appearance as the natural rice, and has the same or similar cooking time as the natural rice.
  • the addition of the emulsifier facilitates the mixing of the pulverized rice raw material, that is, the rice flour and water, and avoids cracking of the surface of the finally prepared restored rice granule.
  • the cellulose provides a supporting fiber skeleton for the mixture, so that the finally obtained reconstituted rice granules contain a fiber skeleton having a certain supporting force to ensure that the hardness of the reconstituted rice granules is close to the hardness of the natural rice. And avoiding the deformation or breakage of the restored rice due to being too soft and drying in the subsequent processes, thereby reducing the reject rate.
  • the heat stabilizer is used to protect various nutrients which are subsequently added to the mixture to prevent the above nutrients from being inactivated or destroyed due to excessive temperature during the preparation process, thereby ensuring the content of nutrients in the recovered rice.
  • the nutrients can be freely selected according to specific needs and formulas.
  • the scope of the above nutrients is not limited to the nutrients listed in the claims and the specification.
  • the mixture of rice flour and water is gradually semi-gelatinized under heating conditions, and the crosslinking agent is added to facilitate the crosslinking reaction between the starch molecules, so that the prepared reconstituted rice has good elasticity and internal bonding. Force and surface adhesion, so as to avoid breakage of the recovered rice particles and surface cracking.
  • the addition of the crosslinking agent can reduce the heating time for promoting the semi-gelatinization, and prevent the nutrients from being inactivated or destroyed due to the long heating time.
  • the outer surface of the granules which are cut after extrusion is coated with an edible oily substance for the purpose of avoiding the cracking of the surface of the restored rice which may be caused by the loss of water during the subsequent drying.
  • the purpose of the high temperature drying is to rapidly reduce the water content of the particles, but the drying time is short to avoid cracking of the surface of the restored rice caused by rapid loss of moisture.
  • the purpose of the multi-stage low-temperature drying described is to gradually and gently dissipate the moisture of the reconstituted rice particles step by step, to avoid the insufficient water dispersion on the outer surface of the particles and the insufficient drying of the internal water dispersion and the outer surface of the particles. Cracking and other issues.
  • the purpose of applying an edible oil and fat substance on the outer surface of the dried particles is to further avoid particle breakage and cracking, and the long-term constant temperature and humidity treatment adopted thereafter can stabilize the water content of the restored rice at a certain level. Within the range, and gradually, the substance coated on the outer surface of the restored rice forms a protective film.
  • the restored rice subjected to constant temperature and humidity treatment has good stability.
  • the color-removed rice granules are optionally further post-treated, i.e., ground and dyed, such that the reconstituted rice is more similar in appearance to the natural rice.
  • Figure 1 is a schematic view showing the overall preparation process of the present invention.
  • 2 is a schematic view showing the specific flow of the dust removing and pulverizing step of the present invention.
  • Fig. 3 is a schematic view showing the specific flow of the material mixing step of the present invention.
  • Fig. 4 is a schematic view showing the specific flow of the extrusion molding step of the present invention.
  • Fig. 5 is a schematic view showing the specific flow of the drying and cooling step of the present invention.
  • Fig. 6 is a schematic view showing the specific flow of the inspection and packaging step of the present invention. detailed description
  • Embodiment 1 a technical solution for preparing a nutritionally enhanced restored rice is as follows.
  • Embodiment 1 a technical solution for preparing a nutritionally enhanced restored rice is as follows.
  • Process 1 Pre-screening the rice, sieving impurities, and then dusting the rice by electrostatic dust removal and high pressure dust removal.
  • Process 2 Multi-stage pulverization of the dust-removed rice to obtain 60 160 mesh rice flour.
  • the inspection sieve is used to recover the unqualified granules for multi-pole pulverization.
  • Process 3 8 22 parts by weight of rice flour, 8 22 parts by weight of water and 12 parts by weight of emulsifier were premixed for 0.5 2.4 hours to obtain a premix.
  • the emulsifier is one or more of a fatty acid monoglyceride, a sucrose ester, a sorbitol fat, a soybean phospholipid, a lauric acid monoglyceride, a propylene glycol fatty acid ester, and the weight ratio thereof is 0 60% 0 ⁇ 40%> 0 35% 0 40% 0 60% 0 35% Process 4, adding 25 65 parts by weight of rice flour, 8 22 parts by weight of water to the premix, mixing under heating at 60 80 °C, adding 80 90 ° C high temperature water vapor and 60 70 ° C low temperature water vapor to adjust the mixing temperature to 70 80 ° C.
  • the heat stabilizer is one or more of sulfite, calcium chloride, magnesium chloride (salt brine), disodium edetate, glucono- ⁇ -lactone, and the weight ratio thereof is 0 60. % 0 60% 0 60% 0 60% 0 60%
  • the nutrients are vitamins, vitamin B1, vitamins ⁇ 2, vitamins ⁇ 6, folic acid, niacin, vitamin ⁇ 12, vitamin C, vitamin E, vitamin K, riboflavin, VA acetate, thiamine, zinc gluconate, One or more of calcium gluconate and calcium lactate, the weight ratio of which 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% 0 10% 0 10% 0 10% 0 10% 0 10% 0 10% 0 10% 0 10% 0 10%
  • the crosslinking agent is one or more of glyceraldehyde, glutaraldehyde, volatile acid, ammonia water, protein, gel, and the weight ratio thereof is 0 70% 0 70% 0 30% 0 30% 0 30% 0 30% 0 30%
  • the mixture is injected into an extruder, and subjected to extrusion heat treatment at 80 100 ° C for 0.5 5 minutes, and the mixture B is extruded through a die hole at the exit of the extruder and cut by a rotary cutter to obtain a particle diameter of 2 6 .
  • the mixture B is extruded through a die hole at the exit of the extruder and cut by a rotary cutter to obtain a particle diameter of 2 6 .
  • Process 6 Apply an edible oil and fat substance to the outer surface of the granule after extrusion to obtain the coated granules, recover the scrap and re-extrude.
  • the edible fat and oil substance is one or more of oleic acid, linoleic acid, linolenic acid and derivatives thereof, and the weight ratio thereof is 0 90% 0 90% 0 90%
  • Process 7 The coated particles are dried at a high temperature, the drying temperature is 60 80 ° C, and the drying time is 30 210 seconds, so that the moisture content of the dried particles is 20 25%.
  • Process 8 The high temperature dried granules are subjected to multi-stage low temperature drying:
  • Class 8.1 low temperature drying drying temperature 50 ⁇ 60 ⁇ , drying time 30 minutes to 10 hours, water content of pellet D after drying is 16 21%
  • the outer surface of the multi-stage low-temperature dried particles is coated with an edible oil and fat substance at a temperature of 15 25'C and humidity.
  • the edible fat and oil substance is one or more of oleic acid, linoleic acid, linolenic acid and derivatives thereof, and the weight ratio thereof is 0 ⁇
  • Process 10 Color sorting is performed on the primary product particles by using a color sorter to obtain product particles, and the defective product is recovered and re-pulverized.
  • Process 11 Polish the product granules, and spray a layer of beige edible pigment on the surface, then dry on the conveyor belt, naturally convectively, to obtain the recovered rice, and package.
  • the nutritionally-fortified restored rice obtained by the above preparation process comprises 40 to 80 parts by weight of rice flour, 1 to 2 parts by weight of cellulose, 1 to 2 parts by weight of heat stabilizer, 1 to 2 parts by weight of nutrient, and 1 to 2 parts by weight.
  • the cross-linking agent has a water content of 10 to 15%.
  • the heat stabilizer is one or more of sulfite, calcium chloride, magnesium chloride (salt brine), disodium edetate, glucono- ⁇ -lactone, and the weight ratio thereof is 0 ⁇ 50%, 0 to 50%, 0 to 50%, 0 to 50%, 0 to 50%.
  • the nutrients are vitamins, vitamin B1, vitamins ⁇ 2, vitamins ⁇ 6, folic acid, niacin, vitamin ⁇ 12, vitamin C, vitamin E, vitamin K, trace elements, riboflavin, VA acetate, thiamine, One or more of zinc gluconate, calcium gluconate and calcium lactate, the weight ratio of which is 0 to 50%, 0 to 30%, 0 to 30%, 0 to 30%, 0 to 20%, 0 ⁇ 20%, 0 ⁇ 30%, 0 ⁇ 50%, 0 ⁇ 30%, 0 ⁇ 30%, 0 ⁇ 10%, 0 ⁇ 10%, 0 ⁇ 10%, 0 ⁇ 10%, 0 ⁇ 10%, 0 ⁇ 10%, 0 ⁇ 20%.
  • the crosslinking agent is one or more of glyceraldehyde, glutaraldehyde, volatile acid, ammonia water, protein, gel, and the weight ratio thereof is 0-50%, 0-50%, 0 ⁇ 30 %, 0 ⁇ 30%, 0 ⁇ 30%, 0 ⁇ 30%.
  • Embodiment 2 :
  • the nutritionally enhanced restorer rice was prepared using the following technical parameters:
  • Process 3 10 parts by weight of 60 mesh rice flour, 10 parts by weight of water and 1 part by weight of emulsifier are used for premixing for 1.0 hour to obtain a premix.
  • Process 4 30 parts by weight of rice flour, 10 parts by weight of water, 1 part by weight of cellulose, 1 part by weight of heat stabilizer, 1 part by weight of nutrient and 1 part by weight of a crosslinking agent at a mixing temperature of 70 ° C, mixed The mixture was mixed under the conditions of 6 hours.
  • Vitamin A 0 ⁇ 50% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% Vitamin Bl 0 ⁇ 30% 5% 5% 10% 10% 10% 10% 10%
  • Vitamin B2 0 ⁇ 30% 5% 10% 10% 10% 10% 10% 10% 5%
  • Vitamin B6 0 ⁇ 30% 10% 10% 10% 10% 10% 10% 5% 5%
  • Vitamin C 0 ⁇ 50% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15%
  • Vitamin E 0 ⁇ 30% 10% 10% 5% 5% 10% 10% 10%
  • Vitamin K 0 ⁇ 30% 10% 5% 5% 10% 10% 10% 10% 10%
  • the extrusion heat treatment temperature is 8 (TC, time is 5 minutes.
  • the constant temperature and humidity cooling temperature used in the process 9 is 25 ° C, the humidity is 15%, and the time is 60 hours.
  • the nutritionally-fortified restored rice obtained by the above preparation process comprises 40 parts by weight of rice flour, 1 part by weight of cellulose, 1 part by weight of heat stabilizer, 1 part by weight of nutrient, and 1 part by weight of a crosslinking agent, and the content of the recovered rice The amount of water is 15%.
  • Embodiment 3 The composition of the cellulose, heat stabilizer, nutrient and crosslinking agent is as described above. Embodiment 3:
  • the nutritionally enhanced restorer rice was prepared with the following technical parameters:
  • Process 3 10 parts by weight of 70 mesh rice flour, 10 parts by weight of water, and 1.5 parts by weight of an emulsifier are used for premixing for 0.8 hours to obtain a premix.
  • Process 4 30 parts by weight of rice flour, 10 parts by weight of water, 1.5 parts by weight of cellulose, 1.5 parts by weight of heat stabilizer, 1.5 parts by weight of nutrients, and 1.5 parts by weight of a crosslinking agent are used at a mixing temperature of 71'C; The mixture was mixed under a mixing time of 6 hours to obtain a mixture.
  • Vitamin A 0 ⁇ 50% 5% 5% 10% 10%
  • Vitamin B1 0 ⁇ 30% 5% 10% 10% 10% 10% 10% 5%
  • Vitamin B2 0 ⁇ 30% 10% 10% 10% 10% 10% 5% 5%
  • Vitamin B6 0 ⁇ 30% 10% 10% 10% 10% 10% 5% 5%
  • Vitamin B12 0 ⁇ 30% 10% 10% 5% 5% 10%
  • Vitamin C 0 ⁇ 50% 15% 15% 15% 15% 15% 15% 15% 15%
  • Vitamin E 0 ⁇ 30% 15% 15% 15% 15% 15% 15% 15% 15%
  • Vitamin K 0 ⁇ 30% 10% 5% 5% 10% 10%
  • Zinc Gluconate 0 ⁇ Recommended 0 0 0 0 0 0 0 0 0 0 0 0 0 0
  • the extrusion heat treatment temperature is 80 ° C and the time is 5 minutes.
  • the temperature of the 'temperature and constant humidity cooling used in the process 9 is 24' (the humidity is 14.5%, and the time is 55 hours).
  • the nutritionally-fortified restored rice obtained by the above preparation process comprises 40 parts by weight of rice flour, 1.5 parts by weight of cellulose, 1.5 parts by weight of heat stabilizer, 1.5 parts by weight of nutrients, and 1.5 parts by weight of a crosslinking agent, and the recycled rice is contained
  • the amount of water is 14.5%.
  • Example 4 Using the preparation procedures 1 to 11 as described in Example 1, the nutritionally enhanced restored rice was prepared with the following technical parameters -
  • Process 3 10 parts by weight of 80 mesh rice flour, 10 parts by weight of water and 2 parts by weight of an emulsifier are premixed for 0.6 hours to obtain a premix.
  • Vitamin A 0 ⁇ 50% 10% 10% 10% 10% 10% 10% 10%
  • Vitamin B1 0 ⁇ 30% 5% 10% 10% 10% 10% Recommended 5%
  • Vitamin B2 0-30% 5% 5% 10% 10% 10% 10% 10%
  • Vitamin B6 0 ⁇ 30% 10% 5% 5% 10% 10% 10%
  • Vitamin B12 0 ⁇ 30% 10% 10% 10% 10% 5% 5% 10%
  • Vitamin C 0 ⁇ 50% 10% 10% 10% 10% 10% 10% Vitamin E 0 ⁇ 30% 10% 10% 10% 10% 10% 10% 10% Recommended
  • Vitamin K 0 ⁇ 30% 10% 10% 10% 10% 10% 5% 5%
  • Zinc Gluconate 0 ⁇ 10% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
  • the extrusion heat treatment temperature is 85 ° C and the time is 4 minutes.
  • the nutritionally-fortified restored rice obtained by the above preparation process comprises 40 parts by weight of rice flour, 2 parts by weight of cellulose, 2 parts by weight of heat stabilizer, 2 parts by weight of nutrients, and 2 parts by weight of a crosslinking agent, and the recycled rice contains The amount of water is 14%.
  • Embodiment 5 Using the preparation procedures 1 to 11 as described in Example 1, the nutritionally enhanced reconstituted rice is prepared according to the following technical parameters: 1. In the scheme 3, 15 parts by weight of 90 mesh rice flour, 15 parts by weight of water and 1 part by weight of an emulsifier are used. Premixing was carried out for 1.6 hours to obtain a premix.
  • Process 4 45 parts by weight of rice flour, 15 parts by weight of water, 1 part by weight of cellulose, 1 part by weight of heat stabilizer, 1 part by weight of nutrient, and 1 part by weight of a crosslinking agent at a mixing temperature of 73 ° C, mixed The mixture was mixed under the conditions of 5 hours.
  • the extrusion heat treatment temperature is 85 ⁇ and the time is 4 minutes.
  • the constant temperature and humidity cooling temperature used in the process 9 is 22 ⁇ , the humidity is 13.5%, and the time is 45 hours.
  • the nutritionally-fortified restored rice obtained by the above preparation process comprises 60 parts by weight of rice flour, 1 part by weight of cellulose, 1 part by weight of heat stabilizer, 1 part by weight of nutrient and 1 part by weight of a crosslinking agent, and the content of the recovered rice
  • the amount of water is 13.5%.
  • the nutritionally enhanced reconstituted rice was prepared by the following technical parameters, and the process 3 was carried out by using 15 parts by weight of 100 mesh rice flour, 15 parts by weight of water, and 1.5 parts by weight of an emulsifier. Premixed for 1.4 hours to obtain a premix.
  • Soybean phospholipid 0 ⁇ 40% 16. 5% 18% 19. 5% 21% 22. 5%
  • Lauric acid monoglyceride 0 ⁇ 60% 0 0 0 0 0 0 0
  • the nutrients and 1.5 parts by weight of the crosslinking agent were mixed at a mixing temperature of 74 ° C and a mixing time of 4 hours to obtain a mixture.
  • the extrusion heat treatment temperature is 90 ° C and the time is 3 minutes.
  • the constant temperature and humidity cooling temperature used in the process 9 is 21 ⁇ , the humidity is 13%, and the time is 40 hours.
  • the above-mentioned preparation process of the nutrient-enhanced reconstituted rice comprising 60 parts by weight of rice flour, 1. 5 parts by weight of cellulose, 1.5 parts by weight of heat stabilizer, 1.5 parts by weight of nutrients and 1.5 parts by weight of cross-linking
  • the water content of the recovered rice is 13%.
  • Example 7 Using the preparation procedures 1 to 11 as described in Example 1, nutritionally fortified restorer rice was prepared using the following technical parameters:
  • Process 3 15 parts by weight of 110 mesh rice flour, 15 parts by weight of water and 2 parts by weight of an emulsifier are used for premixing for 1. 2 hours to obtain a premix.
  • Process 4 45 parts by weight of rice flour, 15 parts by weight of water, 2 parts by weight of cellulose, 2 parts by weight of heat stabilizer, 2 parts by weight of nutrients, and 2 parts by weight of a crosslinking agent at a mixing temperature of 75 ° C, mixed The mixture was obtained by mixing under a time of 4 hours.
  • the composition of the nutrients and their weight ratio range, preferred weight The experimental data of the ratio is as follows :
  • the constant temperature and humidity cooling temperature used in the process 9 is 20 ° C, the humidity is 12.5%, and the time is 35 hours.
  • the nutritionally-fortified restored rice obtained by the above preparation process comprises 60 parts by weight of rice flour, 2 parts by weight of cellulose, 2 parts by weight of heat stabilizer, 2 parts by weight of nutrients, and 2 parts by weight of a crosslinking agent, and the recycled rice contains The amount of water is 12.5%.
  • the nutritionally-enhanced reconstituted rice is prepared by the following technical parameters: 1.
  • Process 3 20 parts by weight of 120 mesh rice flour, 20 parts by weight of water and 1 part by weight of emulsifier are used. Premixed for 2.2 hours to obtain a premix.
  • Drying temperature drying time drying water content Process 7 high temperature drying 72 °C 90 seconds 22%
  • the constant temperature and humidity cooling temperature used in the process 9 is 19'C, the humidity is 12%, and the time is 30 hours.
  • the nutritionally-fortified restored rice obtained by the above preparation process comprises 80 parts by weight of rice flour, 1 part by weight of cellulose, 1 part by weight of heat stabilizer, 1 part by weight of nutrient, and 1 part by weight of a crosslinking agent, and the content of the recovered rice The amount of water is 12%.
  • the nutritionally enhanced restorer rice was prepared using the following technical parameters:
  • Process 3 20 parts by weight of 130 mesh rice flour, 20 parts by weight of water, and 1.5 parts by weight of emulsifier were premixed for 2.0 hours to obtain a premix.
  • the mixture was mixed under the conditions of a mixing temperature of 77 ° C and a mixing time of 3 hours.
  • the extrusion heat treatment temperature is 95 ° C and the time is 2 minutes.
  • the constant temperature and humidity cooling temperature used in the process 9 is 18 ⁇ , the humidity is 11.5%, and the time is 25 hours. 5 ⁇
  • the water content of the recovered rice was 11.5%.
  • the nutritionally enhanced restorer rice was prepared using the following technical parameters:
  • Process 3 20 parts by weight of 140 mesh rice flour, 20 parts by weight of water and 2 parts by weight of emulsifier are premixed for 1. 8 hours to obtain a premix.
  • Process 4 60 parts by weight of rice flour, 20 parts by weight of water, 2 parts by weight of cellulose, 2 parts by weight of heat stabilizer, 2 parts by weight of nutrients, and 2 parts by weight of a crosslinking agent are used at a mixing temperature of 78 ° C, The mixture was mixed under a mixing time of 2 hours to obtain a mixture.
  • the constant temperature and humidity cooling temperature used in the process 9 is 17 ⁇ , the humidity is 11%, and the time is 20 hours.
  • the nutrient-fortified restored rice obtained by the above preparation process comprises 80 parts by weight of rice flour, 2 parts by weight of cellulose, 2 parts by weight of heat stabilizer, 2 parts by weight of nutrients, and 2 parts by weight of a crosslinking agent, and the recycled rice contains The amount of water is 11%.
  • the nutritionally enhanced restorer rice was prepared with the following technical parameters:
  • Process 3 20 parts by weight of 150 mesh rice flour, 20 parts by weight of water, and 2 parts by weight of an emulsifier were used for premixing for 2.0 hours to obtain a premix.
  • the process uses 4 (30 parts by weight of rice flour, 20 parts by weight of water, 1 parts by weight of cellulose, 2 parts by weight of a heat stabilizer, 2 parts by weight; prime and 1 part by weight of a crosslinking ij homogeneous mixing temperature 79 ° C. The mixture was mixed under a mixing time of 2 hours.
  • the extrusion heat treatment temperature is 100 ° C and the time is 1 minute.
  • the constant temperature and humidity cooling temperature used in the process 9 is 16 ⁇ , the humidity is 10.5%, and the time is 15 hours.
  • the nutritionally-fortified restored rice obtained by the above preparation process comprises 80 parts by weight of rice flour, 1 part by weight of cellulose, 2 parts by weight of heat stabilizer, 2 parts by weight of nutrients, and 1 part by weight of a crosslinking agent, and the content of the recovered rice
  • the amount of water is 10.5%.
  • Example 12 The composition of the cellulose, heat stabilizer, nutrient and crosslinking agent is as described above.
  • Example 12 The composition of the cellulose, heat stabilizer, nutrient and crosslinking agent is as described above.
  • Example 12 The composition of the cellulose, heat stabilizer, nutrient and crosslinking agent is as described above.
  • the nutritionally enhanced restorer rice was prepared using the following technical parameters:
  • Process 3 20 parts by weight of 160 mesh rice flour, 20 parts by weight of water and 2 parts by weight of an emulsifier were used for premixing for 2.0 hours to obtain a premix.
  • Process 4 60 parts by weight of rice flour, 20 parts by weight of water, 2 parts by weight of cellulose, 1 part by weight of heat stabilizer, 1 part by weight of nutrients, and 2 parts by weight of a crosslinking agent are used at a mixing temperature of 80 ° C, The mixture was mixed under a mixing time of 1 hour to obtain a mixture.
  • the extrusion heat treatment temperature is 100 ⁇ and the time is 1 minute.
  • the constant temperature and humidity cooling temperature used in the process 9 is 15 ° C, the humidity is 10%, and the time is 10 hours.
  • the nutrient-fortified restored rice obtained by the above preparation process comprises 80 parts by weight of rice flour, 2 parts by weight of cellulose, 1 part by weight of heat stabilizer, 1 part by weight of nutrient and 2 parts by weight of a crosslinking agent, and the recycled rice contains The amount of water is 10%.
  • composition of the cellulose, heat stabilizer, nutrient and crosslinking agent is as described above.
  • various additives are used, and their effects are as follows:
  • the addition of the emulsifier facilitates the mixing of the pulverized rice raw material, that is, the rice flour and water, and avoids cracking of the surface of the finally prepared restored rice granule.
  • the cellulose provides a supporting fiber skeleton for the mixture, so that the finally obtained reconstituted rice granules contain a fiber skeleton having a certain supporting force to ensure that the hardness of the reconstituted rice granules is close to the hardness of the natural rice. And avoiding the deformation or breakage of the restored rice due to being too soft and drying in the subsequent processes, thereby reducing the reject rate.
  • the heat stabilizer is used to protect various nutrients which are subsequently added to the mixture to prevent the above nutrients from being inactivated or destroyed due to excessive temperature during the preparation process, thereby ensuring the content of nutrients in the recovered rice.
  • the nutrients can be freely selected according to specific needs and formulas.
  • the scope of the above nutrients is not limited to the nutrients listed in the claims and the specification.
  • the mixture of rice flour and water is gradually semi-gelatinized under heating conditions, and the crosslinking agent is added to facilitate the crosslinking reaction between the starch molecules, so that the prepared reconstituted rice has good elasticity and internal bonding. Force and surface adhesion, so as to avoid breakage of the recovered rice particles and surface cracking.
  • the addition of the crosslinking agent can reduce the heating time for promoting the semi-gelatinization, and prevent the nutrients from being inactivated or destroyed due to the long heating time.
  • the outer surface of the granules which are cut after extrusion is coated with an edible oily substance for the purpose of avoiding the cracking of the surface of the restored rice which may be caused by the loss of water during the subsequent drying.
  • the purpose of the high temperature drying is to rapidly reduce the water content of the particles, but the drying time is short to avoid cracking of the surface of the restored rice caused by rapid loss of moisture.
  • the purpose of the multi-stage low-temperature drying described is to gradually and gently dissipate the moisture of the reconstituted rice particles step by step, to avoid the insufficient water dispersion on the outer surface of the particles and the insufficient drying of the internal water dispersion and the outer surface of the particles. Cracking and other issues.
  • the purpose of applying an edible oil and fat substance on the outer surface of the dried particles is to further avoid particle breakage and cracking, and the long-term constant temperature and humidity treatment adopted thereafter can stabilize the water content of the restored rice at a certain level. Within the range, and gradually, the substance coated on the outer surface of the restored rice forms a protective film.
  • the restored rice subjected to constant temperature and humidity treatment has good stability.
  • the color-removed rice particles are further post-treated, that is, sanded and dyed, so that the restored rice is more in shape. Add close to natural rice.
  • the technical advantage of the present invention is that the prepared nutrient-enhanced restored rice not only has a similar or similar shape to that of natural rice, but also has similar cooking time and hardness similar to that of natural rice, and is not easily broken, and
  • the preparation method of the invention has a simple process flow and a low yield.

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Description

一种营养强化的复原米及其制备方法 技术领域
本发明涉及一种复原米及其制备方法, 特别涉及一种营养强化的复原米及其制备方法, 属于食品 加工领域。 背景技术
占世界人口 2/3以上的亚洲、中东以及拉丁美洲的居民以米作为日常生活的主食,满足其日常卡路 里摄入和营养素的摄入。 然而米中含有的维生素等营养素在经过粗米碾磨后, 仅能保留一小部分, 而 大部分的维生素等营养素随着外壳和胚乳在碾磨过程中被一同被除去。
所以向营养素大量丧失的米中添加合理的维生素、 微量元素、 必需氨基酸等营养素, 综合提高大 米的食用营养价值, 满足以米为主食的居民的维生素等营养素的需求, 从而预防疾病保持健康, 已成 一个世界性的课题。 然而如何通过低价、 简单且有效的方法来强化米中的营养素含量, 目前仍未有较 好的技术方案。
世界各国对营养强化的米的研究很多, 主要有籽粒预混合工艺、 粉末预混合工艺等较为简单的生 产方法, 后来发展的人造强化米工艺、 酸预蒸法工艺、 直接浸吸法工艺和涂膜法工艺等比较成熟的生 产方法, 以及近年来出现的膨化微孔一固化一浸吸营养剂一复膜的生产方法。
法国专利公开文本 US1530248公开了一种营养强化的人造谷粒。该人造谷粒由粗小麦粉或面粉的面 团及维生素制备, 采用挤压机挤压面团成糊状结构, 然后切成小块, 进行干燥。 然而, 根据该方法制 备的谷粒在烹煮过程中稳定性很差, 极易碎裂, 从而使营养素丧失。 同样的问题也存在于中国专利 200510039229. 7中。
美国专利 US620762公开了一种制备富营养的人造米的方。该方法将米粉、营养物以及粘合剂混合, 然后蒸煮混合物使其中的淀粉半胶凝化, 最后制粒得到米粒。 然而, 该方法的蒸煮处理的时间较长和 温度较高, 会导致敏感的微量营养物性能丧失以及米粒味道的不良。
美国专利 US5609896公开了一种采用挤出技术来制备富营养的人造米的方法。该方法通过加入特定 添加剂, 如热稳定剂、 粘合剂、 交联剂等, 来克服了米粒稳定性较差以及维生素流失的问题。 然而该 方法的生产过程较为复杂、 实施困难、 成品率低并且成本较高。
PCT国际申请 PCT/EP2004/012710公开了一种制备富营养的复原米的方法。该方法将粉碎的米基质、 微量营养物、 乳化剂和水混合, 然后将混合物加热并挤出成型进行切割, 得到颗粒。 该方法在挤压前 ' 添加了一个预加热处理步骤, 并同样的使用了粘合剂。 然而该预加热处理过程无法对混合物进行充分 均匀的加热, 并且制得的产品较软并且容易破碎。
同样的 PCT国际申请 PCT/US96/02708、 PCT/US95/00682, 美国专利 US20070054029、 US6139898、 US5403606、 US4886675, US3620762,英国专利 GB1225070、加拿大专利 CA2558700、 以及澳大利亚专利 AU1808883中都不同程度的存在以上所述的问题和缺陷。 发明内容
本发明的一个目的在于提供一种经过营养强化的复原米以及制造该复原米的方法, 以弥补现有技 术的不足。
本发明涉及的一种营养强化的复原米的制备方法, 具体包括如下步骤:
以米或碎米作为原材料进行预筛选, 筛去杂质, 然后对原材料除尘并随后粉碎。 对原材料的除尘 进一步包括静电除尘和高压除尘, 对原材料的粉碎采用多级粉碎。 釆用检査筛筛选粉碎后的颗粒, 对 尺寸不合格的颗粒回收并重新进行多级粉碎处理。
将粉碎后的 8〜22重量份原材料与 8〜22重量份水预混合, 并加入 1〜2重量份乳化剂搅拌, 预混合
0. 5〜2. 4小时得到混合物;
向所得的混合物中加入 25〜65重量份原材料、 8〜22重量份水, 加热得到的混合物至 60〜80'C, 并 向其中添加的 80〜90°C高温水蒸气和 60〜70'C的低温水蒸气, 以调节混合物的温度为 70〜80°C。 向混 合物中内添加 1〜2重量份纤维素、 1〜2重量份热稳定剂、 1〜2重量份的营养素以及 1〜2重量份交联剂, 在 70〜80°C的混合温度下混合 1〜6小时。 所述的营养素为维生素 、 维生素 Bl、 维生素 B2、 维生素 B6、 叶酸、 烟酸、 维生素 B12、 维生素 C、 维生素 E、 维生素 K、 微量元素、 核黄素、 VA醋酸脂、 硫胺素、 葡 萄糖酸锌、 葡萄糖酸钙、 乳酸钙中的一种或多种。
将所得的混合物注入挤压机,在 80~100'C进行挤压热处理 0. 5〜5分钟,混合物经挤压机出口处的 模孔挤出, 并被旋转切割刀切割得到粒径为 2〜6mm、长度为 7〜19隱的颗粒。对切割后的颗粒涂敷一层 可食用油脂类物质, 然后对步骤 3中产生的碎料回收并重新挤压成型。
将所得的颗粒进行高温干燥, 干燥温度为 60〜80Ό, 干燥时间 30〜210秒,干燥后含水量为 20〜25
%。
然后对所得的颗粒进行多级低温干燥, 干燥温度依次为 50〜60°C、 40~50°C、 30〜40'C以及 20〜 30 ,干燥时间皆为 30分钟至 10小时,干燥后的含水量依次为 16〜21 %、 14〜19 %、 12〜17%以及 10〜 15 %。
在所得的颗粒上涂敷一层可食用油脂, 在温度为 15〜25° ( 、 湿度为 10〜 15%的环境下恒温恒湿冷 却 10〜60小时, 得到产品。
对产品进行色选检验, 回收次品并将其返回重新粉碎。
对合格的产品进行打磨并采用米白色可食用色素, 对其表面进行喷涂染色并干燥。
本发明还涉及一种采用上述方法制备得到的营养强化的复原米。 所述复原米包含 40〜80重量份的 经粉碎的米原材料, 1〜2重量份纤维素、 1〜2重量份热稳定剂、 1〜2重量份的营养素以及 1〜2重量份 交联剂,所述复原米的含水量为 10〜15 %。所述的营养素为维生 ¾A、维生素 Bl、维生素 B2、维生素 B6、 叶酸、 烟酸、 维生素 B12、 维生素 C;、 维生素 E、 维生素 K、 微量元素、 核黄素、 VA醋酸脂、 硫胺素、 葡 萄糖酸锌、 乳酸钙中的一种或多种。
本发明的营养强化的复原米具有与天然米相同或相近的颜色和外形, 并且具有与天然米相同或相 近的煮熟时间。
所述的乳化剂的加入便于粉碎后的米原材料, 即米粉与水的混合, 并避免最后制得的复原米颗粒 表面开裂。
所述的纤维素为混合物提供了一个起到支撑作用的纤维骨架, 从而使得最后制得的复原米颗粒中 含有具有一定支撑力的纤维骨架, 以保证复原米颗粒的硬度与天然米的硬度相近, 并避免复原米由于 过于柔软而在其后的干燥等流程中变形或破损, 从而减小废品率。
所述的热稳定剂用于保护其后添加至混合物中的各种营养素, 以避免上述营养素在制备过程中因 温度过高而失活或被破坏, 从而保证了复原米中营养素的含量。
所述的营养素可以根据具体的需要及配方, 自由选取。 上述营养素的范围并不仅限于权利要求和 说明书中所列举的营养素。
所述米粉和水的混合物在加热条件下逐渐半胶凝化, 加入所述的交联剂, 便于促使淀粉分子间的 交联反应, 从而使得制得的复原米具有良好的弹性、 内部粘结力、 表面粘结力, 从而避免复原米颗粒 破碎、 表面开裂。 同时交联剂的加入可以减少为了促使半胶凝化的加热时间, 避免营养素因加热时间 较长而失活或被破坏。
在挤出后切割得到的颗粒外表面涂敷一层可食用油脂类物质的目的在于避免该颗粒在随后的干燥 过程中因水分散失而可能带来的复原米表面开裂。
所述的高温干燥的目的在于使得颗粒的含水量快速降低, 但该干燥时间较短以避免水分快速散失 所导致的复原米表面开裂。
釆用所述的多级低温干燥的目的在于, 逐级的使复原米颗粒的水分缓慢温和的散失, 避免颗粒外 表面水分散失快而内部水分散失慢所带来的干燥不充分以及颗粒外表面开裂等问题。
在干燥后的颗粒外表面涂敷一层可食用油脂类物质的目的在于进一步避免颗粒破损及开裂, 而其 后采用的所述的长时间恒温恒湿处理可以使得复原米的含水量稳定在一定范围内, 并逐渐使得复原米 外表面涂敷的物质形成一层保护膜。 经过恒温恒湿处理的复原米的稳定性较好。
可选择地对色选后地复原米颗粒进行进一步地后处理, 即打磨和染色, 以使得复原米在外形上更 加接近与天然米。
所有制备过程中地废弃物料都能得以回收, 并相应地重新进行处理, 故该制备流程中地物料损失 极低。 附图说明
图 1是本发明的整体制备流程示意图。 图 2是本发明除尘粉碎步骤的具体流程示意图。
图 3是本发明材料混合步骤的具体流程示意图。
图 4是本发明挤压成型步骤的具体流程示意图。
图 5是本发明干燥冷却步骤的具体流程示意图。
图 6是本发明检验包装步骤的具体流程示意图。 具体实施方式
根据本发明的权利要求和发明内容所公开的制备方法, 制备一种营养强化的复原米的技术方案具 体如下所述。 实施例一:
根据图 2:
流程 1、 对米进行预筛选, 筛去杂质, 然后采用静电除尘和高压除尘法对米进行除尘。
流程 2、 对除尘后的米进行多级粉碎, 得到 60 160目的米粉。 采用检查筛, 将尺寸不合格的颗粒 回收重新进行多极粉碎。
根据图 3:
流程 3、取 8 22重量份米粉、 8 22重量份水以及 1 2重量份乳化剂进行预混合 0.5 2.4小时,得 到预混合物。
所述的乳化剂是脂肪酸单甘油脂, 蔗糖酯、 山梨糖醇脂、 大豆磷脂、 月桂酸单甘油酯、 丙二醇脂 肪酸酯中的一种或多种, 其重量配比为 0 60% 0~40%> 0 35% 0 40% 0 60% 0 35% 流程 4、 向预混合物中加入 25 65重量份米粉、 8 22重量份水, 在 60 80°C加热条件下进行混合, 添加 80 90°C的高温水蒸气和 60 70°C的低温水蒸气以调节混合温度为 70 80°C。 随后向正在混合的 混合物中依次添加 1 2重量份纤维素、 1 2重量份热稳定剂、 1 2重量份的营养素以及 1 2重量份交 联剂, 在 70 80'C混合温度下混合 1 6小时, 得到混合物。
所述的热稳定剂是亚硫酸盐、氯化钙、氯化镁 (盐卤)、 乙二胺四乙酸二钠、葡萄糖酸 - δ -内酯中 的一种或多种, 其重量配比为 0 60% 0 60% 0 60% 0 60% 0 60%
所述的营养素为维生 ¾Α、 维生素 Bl、 维生素 Β2、 维生素 Β6、 叶酸、 烟酸、 维生素 Β12、 维生素 C 维生素 E、 维生素 K、 核黄素、 VA醋酸脂、硫胺素、 葡萄糖酸锌、 葡萄糖酸钙、 乳酸钙中的一种或多种, 其重量配比为 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%
所述的交联剂是甘油醛、 戊二醛、 挥发性酸、 氨水、 蛋白质、 凝胶中的一种或多种, 其重量配比 为 0 70% 0 70% 0 30% 0 30% 0 30% 0 30%
根据图 4:
流程 5、将混合物注入挤压机, 在 80 100°C进行挤压热处理 0.5 5分钟, 混合物 B经挤压机出口处 的模孔挤出, 并被旋转切割刀切割得到粒径为 2 6 长度为 7 19mm的挤压后颗粒。
流程 6、在挤压后颗粒的外表面涂敷一层可食用油脂类物质, 得到涂敷后颗粒,将碎料回收并重新 挤压成型。
所述的可食用油脂类物质是油酸、亚油酸、亚麻酸及其衍生物中的一种或多种,其重量配比为 0 90% 0 90% 0 90%
根据图 5:
流程 7、 将涂敷后颗粒进行高温干燥, 干燥温度为 60 80°C, 干燥时间 30 210秒, 使得干燥后颗 粒的含水量为 20 25%
流程 8、 将高温干燥后的颗粒进行多级低温干燥:
8.1 级低温干燥: 干燥温度 50~60Ό、 干燥时间 30分钟至 10小时, 干燥后颗粒 D的含水量为 16 21%
8.2二级低温干燥: 干燥温度 40 50°C、 干燥时间 30分钟至 10小时, 干燥后颗粒 D的含水量为 14 19%
8.3三级低温干燥: 干燥温度 30 40°C、 干燥时间 30分钟至 10小时, 千燥后颗粒 D的含水量为 12 ' 17%
8.4四级低温干燥: 干燥温度 20 30°C、 干燥时间 30分钟至 10小时, 千燥后颗粒 D的含水量为 10
15%
流程 9、在多级低温千燥后的颗粒的外表面涂敷一层可食用油脂类物质, 在温度为 15 25'C、湿度 为 10〜15 %的环境下恒温恒湿冷却 10〜60小时, 得到初级产品颗粒。 · 所述的可食用油脂类物质是油酸、亚油酸、亚麻酸及其衍生物中的一种或多种,其重量配比为 0〜
90%、 0〜90%、 0〜90%。
根据图 6:
流程 10、 利用色选仪对初级产品颗粒进行色选检验, 得到产品颗粒, 将次品回收并重新粉碎。 流程 11、 打磨产品颗粒, 并对其表面喷涂一层米白色可食用色素进行染色, 随后在传送带上, 自 然对流干燥, 得到复原米, 并进行包装。
经过上述制备流程得到的营养强化的复原米, 包含 40〜80重量份米粉, 1〜2重量份纤维素、 1〜2 重量份热稳定剂、 1〜2重量份的营养素以及 1〜2重量份交联剂, 所述复原米的含水量为 10~15 %。
所述的热稳定剂是亚硫酸盐、氯化钙、氯化镁 (盐卤)、 乙二胺四乙酸二钠、葡萄糖酸 - δ -内酯中 的一种或多种, 其重量配比为 0〜50%、 0〜50%、 0〜50%、 0〜50%、 0〜50%。
所述的营养素为维生 ¾Α、 维生素 Bl、 维生素 Β2、 维生素 Β6、 叶酸、 烟酸、 维生素 Β12、 维生素 C、 维生素 E、 维生素 K、 微量元素、 核黄素、 VA醋酸脂、 硫胺素、 葡萄糖酸锌、 葡萄糖酸钙、 乳酸钙中的 一种或多种, 其重量配比为 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%。
所述的交联剂是甘油醛、 戊二醛、 挥发性酸、 氨水、 蛋白质、 凝胶中的一种或多种, 其重量配比 为 0〜50%、 0〜50%、 0〜30%、 0〜30%、 0〜30%、 0〜30%。 实施例二:
釆用如实施例一所述的制备流程 1〜11 , 以下述技术参数制备营养强化的复原米:
1、 流程 3中采用 10重量份的 60目米粉、 10重量份水以及 1重量份乳化剂进行预混合 1. 0小时, 得到 预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000006_0001
2、流程 4中釆用 30重量份米粉、 10重量份水、 1重量份纤维素、 1重量份热稳定剂、 1重量份的 营养素以及 1重量份交联剂在混合温度 70 °C、 混合时间 6小时的条件下混合得到混合物。
所述的热稳定剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000006_0002
所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
优选重量配比
重量配比
1 2 3 4 5 6 7 8 维生素 A 0〜50% 15% 15% 15% 15% 15% 15% 15% 15% 维生素 Bl 0〜30% 5% 5% 10% 10% 10% 10% 10% 10%
维生素 B2 0〜30% 5% 10% 10% 10% 10% 10% 10% 5%
维生素 B6 0〜30% 10% 10% 10% 10% 10% 10% 5% 5%
叶酸 0〜30% 10% 10% 10% 10% 10% 5% 5% 10%
烟酸 0〜30% 10% 10% 10% 10% 5% 5% 10% 10%
0〜30% 10% 10% 10% 5% 5% 10% 10% 10%
B12 '、
维生素 C 0〜50% 15% 15% 15% 15% 15% 15% 15% 15%
维生素 E 0〜30% 10% 10% 5% 5% 10% 10% 10% 10%
维生素 K 0〜30% 10% 5% 5% 10% 10% 10% 10% 10%
核黄素 0〜10% 0 0 0 0 0 0 0 0
VA醋酸脂 0〜腦 0 0 0 0 0 0 0 0
硫胺素 0〜10% 0 0 0 0 0 0 0 0
葡萄糖酸
0〜10% 0 0 0 0 0 0 0 0 锌
葡萄糖酸
0〜10% 0 0 0 0 0 0 0 0 钙
乳酸钙 0〜篇 0 0 0 0 0 0 0 0
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000007_0001
3、 流程 5中采用挤压热处理温度为 8(TC、 时间为 5分钟。
4、流程 6和 9中采用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000007_0002
5、 流程 7和 8中采用的髙温干燥和多级低温干燥的参数如下:
干燥温度 干燥时间 干燥后含水量 流程 7 高温干燥 60 °C 210秒 25% 一级低温干燥 50°C 10小时 21%
二级低温干燥 40 °C 10小时 19%
流程 8 多级低温干燥
三级低温干燥 30 °C 10小时 17%
四级低温干燥 20 °C 10小时 15%
6、 流程 9中采用的恒温恒湿冷却的温度为 25°C、 湿度为 15%、 时间为 60小时。
经过上述制备流程得到的营养强化的复原米, 包含 40重量份米粉, 1重量份纤维素、 1重量份热稳 定剂、 1重量份的营养素以及 1重量份交联剂, 所述复原米的含水量为 15%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例三:
采用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米:
1、 流程 3中采用 10重量份的 70目米粉、 10重量份水以及 1.5重量份乳化剂进行预混合 0.8小时, 得 到预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000008_0001
2、 流程 4中采用 30重量份米粉、 10重量份水、 1.5重量份纤维素、 1.5重量份热稳定剂、 1.5重量份 的营养素以及 1.5重量份交联剂在混合温度为 71'C;、 混合时间 6小时的条件下混合得到混合物。
所述的热稳定剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000008_0002
所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
重量配 优选重量配比
比 1 2 3 4 5 6 7 8
10 10 10
维生素 A 0〜50% 5% 5% 10% 10% 10%
% % %
10 10
维生素 B1 0〜30% 5% 10% 10% 10% 10% 5%
% %
10
维生素 B2 0〜30% 10% 10% 10% 10% 10% 5% 5%
%
10
维生素 B6 0〜30% 10% 10% 10% 10% 10% 5% 5%
% 10 10
叶酸 0—30% 10% 10% 10% 10% 5% 5%
% %
10 10 10
烟酸 0〜30% 10% 10% 10% 5% 5%
% % %
10 10 10
维生素 B12 0〜30% 10% 10% 5% 5% 10%
% % %
15 15 15
维生素 C 0〜50% 15% 15% 15% 15% 15%
% % %
15 15 15
维生素 E 0〜30% 15% 15% 15% 15% 15%
% % %
10 10 10
维生素 K 0〜30% 10% 5% 5% 10% 10%
% % %
核黄素 0〜10% 0 0 0 0 0 0 0 0
VA醋酸脂 0〜10% 0 0 0 0 0 0 0 0
硫胺素 0〜 0 0 0 0 0 0 0 0
葡萄糖酸锌 0〜薦 0 0 0 0 0 0 0 0
葡萄糖酸钙 0〜10% 0 0 0 0 0 0 0 0
乳酸钙 0〜薦 0 0 0 0 0 0 0 0
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000009_0001
3、 流程 5中釆用挤压热处理温度为 80'C、 时间为 5分钟。
4、流程 6和 9中采用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000009_0002
5、 流程 7和 8中釆用的高温干燥和多级低温干燥的参数如下:
干燥温度 干燥时间 干燥后含水量 流程 7 髙温干燥 62 °C 190秒 24.5%
流程 8 多级低温干燥 —级低温干燥 51。C 9小时 20.5%
二级低温干燥 41°C 9小时 18.5% 三级低温干燥 31°C 9小时 16.5%
四级低温干燥 21。C 9小时 14.5%
6、 流程 9中釆用的'亘温恒湿冷却的温度为 24' ( 、 湿度为 14.5%、 时间为 55小时。
经过上述制备流程得到的营养强化的复原米, 包含 40重量份米粉, 1.5重量份纤维素、 1.5重量份 热稳定剂、 1.5重量份的营养素以及 1.5重量份交联剂, 所述复原米的含水量为 14.5%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例四- 采用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米-
1、 流程 3中釆用 10重量份的 80目米粉、 10重量份水以及 2重量份乳化剂进行预混合 0.6小时, 得到 预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000010_0001
所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
优选重量配比
重量配比
1 2 3 4 5 6 7
维生素 A 0〜50% 10% 10% 10% 10% 10% 10% 10%
维生素 B1 0〜30% 5% 10% 10% 10% 10% 薦 5%
维生素 B2 0—30% 5% 5% 10% 10% 10% 10% 10%
维生素 B6 0〜30% 10% 5% 5% 10% 10% 10% 10%
叶酸 0—30% 10% 10% 5% 5% 10% 10% 10%
烟酸 0〜30% 10% 10% 10% 5% 5% 10% 10%
维生素 B12 0〜30% 10% 10% 10% 10% 5% 5% 10%
维生素 C 0〜50% 10% 10% 10% 10% 10% 10% 10% 维生素 E 0〜30% 10% 10% 10% 10% 10% 10% 薦
维生素 K 0〜30% 10% 10% 10% 10% 10% 5% 5%
核黄素 0〜10% 5% 5% 5% 5% 5% 5% 5%
VA醋酸脂 0〜10% 0% 0% 0% 0% 0% 0% 0%
硫胺素 0〜10% 0% 0% 0% 0% 0% 0% 0%
葡萄糖酸锌 0〜10% 0% 0% 0% 0% 0% 0% 0%
葡萄糖酸钙 0〜10% 0% 0% 0% 0% 0% 0% 0%
乳酸钙 0〜10% 5% 5% 5% 5% 5% 5% 5%
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000011_0001
3、 流程 5中采用挤压热处理温度为 85°C、 时间为 4分钟。
4、流程 6和 9中采用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000011_0002
Figure imgf000011_0003
经过上述制备流程得到的营养强化的复原米, 包含 40重量份米粉, 2重量份纤维素、 2重量份热稳 定剂、 2重量份的营养素以及 2重量份交联剂, 所述复原米的含水量为 14%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例五: 釆用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米- 1、 流程 3中采用 15重量份的 90目米粉、 15重量份水以及 1重量份乳化剂进行预混合 1. 6小时, 得到 预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000012_0001
2、 流程 4中采用 45重量份米粉、 15重量份水、 1重量份纤维素、 1重量份热稳定剂、 1重量份的营养 素以及 1重量份交联剂在混合温度为 73 °C、 混合时间 5小时的条件下混合得到混合物。
所述的热稳定剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000012_0002
所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000012_0003
葡萄糖酸钙 0—10% 1% 1% 1% 1% 1% 1% 1%
乳酸钙 0〜10% 3% 3% 3% 3% 3% 3% 3%
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000013_0001
3、 流程 5中采用挤压热处理温度为 85Ό、 时间为 4分钟。
4、流程 6和 9中采用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000013_0002
Figure imgf000013_0003
6、 流程 9中釆用的恒温恒湿冷却的温度为 22Ό、 湿度为 13.5%、 时间为 45小时。
经过上述制备流程得到的营养强化的复原米, 包含 60重量份米粉, 1重量份纤维素、 1重量份热稳 定剂、 1重量份的营养素以及 1重量份交联剂, 所述复原米的含水量为 13.5%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例六:
采用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米- 1、流程 3中采用 15重量份的 100目米粉、 15重量份水以及 1.5重量份乳化剂进行预混合 1.4小时, 得 到预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
优选重量配比
重量配比
1 2 3 4 5
脂肪酸单甘油脂 0〜60% 45% 40% 35% 30% 25%
蔗糖酯 0〜40% 16.5% 薦 19.5% 21% 22.5% 山梨糖醇脂 0〜35% 11 % 12% 13% 14% 15%
大豆磷脂 0〜40% 16. 5% 18% 19. 5% 21 % 22. 5%
月桂酸单甘油酯 0〜60% 0 0 0 0 0
丙二醇脂肪酸酯 0〜35% 11 % 12% 13% 14% 15%
2、流程 4中 3 ξ用 45重量份米粉、 15重量份水、 1. 51 ί量份纤维素、 1.
的营养素以及 1. 5重量份交联剂在混合温度为 74°C、 混合时间 4小时的条件下混合得到混合物。
Figure imgf000014_0001
Figure imgf000014_0002
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000014_0003
挥发性酸 0〜30% 28% 24% 20 % 16% 12% 氨水 0〜30% 10 % 10% 10% 10 % 10%
蛋白质 0〜30% 10% 10 % 10 % 10% 10 %
凝胶 0〜30% 10 % 10% 10% 10 % 10%
3、 流程 5中采用挤压热处理温度为 90'C、 时间为 3分钟。
4、流程 6和 9中釆用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000015_0001
Figure imgf000015_0002
6、 流程 9中釆用的恒温恒湿冷却的温度为 21Ό、 湿度为 13%、 时间为 40小时。
经过上述制备流程得到的营养强化的复原米, 包含 60重量份米粉, 1. 5重量份纤维素、 1. 5重量份 热稳定剂、 1. 5重量份的营养素以及 1. 5重量份交联剂, 所述复原米的含水量为 13%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例七- 采用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米:
1、流程 3中采用 15重量份的 110目米粉、 15重量份水以及 2重量份乳化剂进行预混合 1. 2小时, 得到 预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下-
Figure imgf000015_0003
2、流程 4中采用 45重量份米粉、 15重量份水、 2重量份纤维素、 2重量份热稳定剂、 2重量份的营养 素以及 2重量份交联剂在混合温度为 75 °C、 混合时间 4小时的条件下混合得到混合物。
所述的热稳定剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
重量配比 优选重量配比 1 2 3 4 5 亚硫酸盐 0〜60% 0 0 0 0 0 氯化钙 0〜60% 58% 54% 50 % 46% 42% 氯化镁 (盐卤) 0〜60% 0 0 0 0 0 乙二胺四乙酸二钠 0〜60% 42% 46% 50 % 54% 58 % 葡萄糖酸 - δ -内酯 0〜60% 0 0 0 0 0 所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000016_0001
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000016_0002
4、流程 6和 9中采用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下: 优选重量酉 β比
重量配比
1 2 3 4 5 油酸及其衍生物 0〜90% 0 0 0 0 0 亚油酸及其衍生物 0〜90% 72% 76% 80% 84% 88% 亚麻酸及其衍生物 0〜90% 28% 24% 20% 16% 12%
5、 流程 7和 8中釆用的髙温干燥和多级低温干燥的参数如下:
Figure imgf000017_0001
6、 流程 9中采用的恒温恒湿冷却的温度为 20°C、 湿度为 12.5%、 时间为 35小时。
经过上述制备流程得到的营养强化的复原米, 包含 60重量份米粉, 2重量份纤维素、 2重量份热稳 定剂、 2重量份的营养素以及 2重量份交联剂, 所述复原米的含水量为 12.5%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例八:
采用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米: 1、流程 3中采用 20重量份的 120目米粉、 20重量份水以及 1重量份乳化剂进行预混合 2.2小时, 得到 预混合物。
Figure imgf000017_0002
所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000018_0001
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下. -
Figure imgf000018_0002
3、 流程 5中釆用挤压热处理温度为 95°C、 时间为 2分钟。
4、流程 6和 9中采用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000018_0003
干燥温度 干燥时间 干燥后含水量 流程 7 高温干燥 72 °C 90秒 22%
一级低温干燥 56 °C 4小时 18%
二级低温干燥 46 °C 4小时 16%
流程 8 多级低温干燥
三级低温干燥 36。C 4小时 14%
四级低温干燥 26°C 4小时 12%
6、 流程 9中釆用的恒温恒湿冷却的温度为 19'C、 湿度为 12%、 时间为 30小时。
经过上述制备流程得到的营养强化的复原米, 包含 80重量份米粉, 1重量份纤维素、 1重量份热稳 定剂、 1重量份的营养素以及 1重量份交联剂, 所述复原米的含水量为 12%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例九:
釆用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米:
1、流程 3中釆用 20重量份的 130目米粉、 20重量份水以及 1. 5重量份乳化剂进行预混合 2. 0小时,得 到预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000019_0001
2、 流程 4中采用 60重量份米粉、 20重量份水、 1. 5重量份纤维素、 1. 5重量份热稳定剂、 1. 5重量份 的营养素以及 1. 5重量份交联剂在混合温度为 77 °C、 混合时间 3小时的条件下混合得到混合物。
所述的热稳定剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下 -
Figure imgf000019_0002
所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000019_0003
叶酸 0〜30% 5% 5% 5% 5% 10% 10% 10% 10% 烟酸 0〜30% 10% 5% 5% 5% 5% 10% 10% 10% 维生素 B12 0〜30% 10% 10% 5% 5% 5% 5% 10% 10% 维生素 C 0〜50% 15% 15% 15% 15% 15% 15% 15% 15% 维生素 E 0〜30% 10% 10% 10% 5% 5% 5% 5% 10% 维生素 K 0〜30% 10% 10% 10% 10% 5% 5% 5% 5% 核黄素 0〜薦 1% 1% 1% 1% 1% 1% 1% 1%
VA醋酸脂 0〜薦 2% 2% 2% 2% 2% 2% 2% 2% 硫胺素 0〜10% 2% 2% 2% 2% 2% 2% 2% 2% 葡萄糖酸锌 0〜篇 2% 2% 2% 2% 2% 2% 2% 2% 葡萄糖酸钙 0〜10% 2% 2% 2% 2% 2% 2% 2% 2% 乳酸钙 0〜10% 1% 1% 1% 1% 1% 1% 1% 1% 所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000020_0001
3、 流程 5中采用挤压热处理温度为 95°C、 时间为 2分钟。
4、流程 6和 9中采用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000020_0002
Figure imgf000020_0003
6、 流程 9中采用的恒温恒湿冷却的温度为 18Ό、 湿度为 11.5%、 时间为 25小时。 经过上述制备流程得到的营养强化的复原米, 包含 80重量份米粉, 1. 5重量份纤维素、 1. 5重量份 热稳定剂、 1. 5重量份的营养素以及 1. 5重量份交联剂, 所述复原米的含水量为 11. 5 %。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例十:
釆用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米:
1、流程 3中釆用 20重量份的 140目米粉、 20重量份水以及 2重量份乳化剂进行预混合 1. 8小时, 得到 预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000021_0001
2、流程 4中釆用 60重量份米粉、 20重量份水、 2重量份纤维素、 2重量份热稳定剂、 2重量份的营养 素以及 2重量份交联剂在混合温度为 78°C、 混合时间 2小时的条件下混合得到混合物。
所述的热稳定剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下-
Figure imgf000021_0002
Figure imgf000021_0003
VA醋酸脂 0〜10% 0 0 0 0 0 0 0 0 硫胺素 0〜薦 0 0 0 0 0 0 0 0 葡萄糖酸锌 0〜薦 0 0 0 0 0 0 0 0 葡萄糖酸钙 0〜10% 0 0 0 0 0 0 0 0 乳酸钙 0〜扇 5% 5% 5% 5% 5% 5% 5% 5%
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000022_0001
Figure imgf000022_0002
6、 流程 9中采用的恒温恒湿冷却的温度为 17Ό、 湿度为 11%、 时间为 20小时。
经过上述制备流程得到的营养强化的复原米, 包含 80重量份米粉, 2重量份纤维素、 2重量份热稳 定剂、 2重量份的营养素以及 2重量份交联剂, 所述复原米的含水量为 11%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例十一:
采用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米:
1、流程 3中采用 20重量份的 150目米粉、 20重量份水以及 2重量份乳化剂进行预混合 2.0小时, 得到 预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下- 优选重量配比
重量配比
1 2 3 4 5 脂肪酸单甘油脂 0〜60% 0 0 0 0 0 蔗糖酯 0〜40% 16.5% 18% 19.5% 21% 22.5% 山梨糖醇脂 0〜35% 11% 12% 13% 14% 15% 大豆磷脂 0〜40% 16.5% 18% 19.5% 21% 22.5% 月桂酸单甘油酯 0〜60% 45% 40% 35% 30% 25% 丙二醇脂肪酸酯 0〜35% 11% 12% 13% 14% 15%
2、 流程 4中采用 ( 30重量份米粉、 20重量份水、 1重量份纤维素、 2重量份热稳定剂、 2重量份的; 素以及 1重量份交联齐 ij在混合温度为 79°C、 混合时间 2小时的条件下混合得到混合物。
所述的热稳定剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
优选重量賀 B比
重量配比
1 2 3 4 5 亚硫酸盐 0〜60% 0 0 0 0 0 氯化钙 0〜60% 0 0 0 0 0 氯化镁 (盐卤) 0〜60% 0 0 0 0 0 乙二胺四乙酸二钠 0—60% 58% 54% 50% 46% 42% 葡萄糖酸 -δ-内酯 0〜60% 42% 46% 50% 54% 58% 所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下-
Figure imgf000023_0001
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下: 优选重量酉 β比
重量配比
1 2 3 4 5
甘油醛 0〜70% 0 0 0 0 0
戊二醛 0〜70% 0 0 0 0 0
挥发性酸 0〜30% 22% 24% 26% 28% 25%
氨水 0〜30% 24% 26% 28% 22% 25%
蛋白质 0〜30% 26% 28% 22% 24% 25%
凝胶 0〜30% 28% 22% 24% 26% 25%
3、 流程 5中采用挤压热处理温度为 100°C、 时间为 1分钟。
4、流程 6和 9中采用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000024_0001
Figure imgf000024_0002
6、 流程 9中采用的恒温恒湿冷却的温度为 16Ό、 湿度为 10.5%、 时间为 15小时。
经过上述制备流程得到的营养强化的复原米, 包含 80重量份米粉, 1重量份纤维素、 2重量份热稳 定剂、 2重量份的营养素以及 1重量份交联剂, 所述复原米的含水量为 10.5%。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 实施例十二:
釆用如实施例一所述的制备流程 1〜11, 以下述技术参数制备营养强化的复原米:
1、流程 3中采用 20重量份的 160目米粉、 20重量份水以及 2重量份乳化剂进行预混合 2.0小时, 得到 预混合物。
所述的乳化剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000024_0003
丙二醇脂肪酸酯 0〜35% 0 0 0 0 0
2、 流程 4中釆用 60重量份米粉、 20重量份水、 2重量份纤维素、 1重量份热稳定剂、 1重量份的营养 素以及 2重量份交联剂在混合温度为 80°C、 混合时间 1小时的条件下混合得到混合物。
所述的热稳定剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000025_0001
所述的营养素的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000025_0002
所述的交联剂的物质组成及其重量配比范围、 优选重量配比的实验数据如下:
Figure imgf000025_0003
凝胶 0〜30 % 10% 10% 10 % 10% 10 %
3、 流程 5中釆用挤压热处理温度为 100Ό、 时间为 1分钟。
4、流程 6和 9中釆用的可食用油脂类物质的物质组成及其重量配比范围、优选重量配比的实验数据 如下:
Figure imgf000026_0001
5、 流程 7和 8中釆用的高温干燥和多级低温干燥的参数如下:
Figure imgf000026_0002
6、 流程 9中采用的恒温恒湿冷却的温度为 15°C、 湿度为 10%、 时间为 10小时。
经过上述制备流程得到的营养强化的复原米, 包含 80重量份米粉, 2重量份纤维素、 1重量份热稳 定剂、 1重量份的营养素以及 2重量份交联剂, 所述复原米的含水量为 10 %。
所述的纤维素、 热稳定剂、 营养素及交联剂的组成如上所述。 本发明中釆用了多种添加剂, 其作用如下:
所述的乳化剂的加入便于粉碎后的米原材料, 即米粉与水的混合, 并避免最后制得的复原米颗粒 表面开裂。
所述的纤维素为混合物提供了一个起到支撑作用的纤维骨架, 从而使得最后制得的复原米颗粒中 含有具有一定支撑力的纤维骨架, 以保证复原米颗粒的硬度与天然米的硬度相近, 并避免复原米由于 过于柔软而在其后的干燥等流程中变形或破损, 从而减小废品率。
所述的热稳定剂用于保护其后添加至混合物中的各种营养素, 以避免上述营养素在制备过程中因 温度过高而失活或被破坏, 从而保证了复原米中营养素的含量。
所述的营养素可以根据具体的需要及配方, 自由选取。 上述营养素的范围并不仅限于权利要求和 说明书中所列举的营养素。
所述米粉和水的混合物在加热条件下逐渐半胶凝化, 加入所述的交联剂, 便于促使淀粉分子间的 交联反应, 从而使得制得的复原米具有良好的弹性、 内部粘结力、 表面粘结力, 从而避免复原米颗粒 破碎、 表面幵裂。 同时交联剂的加入可以减少为了促使半胶凝化的加热时间, 避免营养素因加热时间 较长而失活或被破坏。
在挤出后切割得到的颗粒外表面涂敷一层可食用油脂类物质的目的在于避免该颗粒在随后的干燥 过程中因水分散失而可能带来的复原米表面开裂。
所述的高温干燥的目的在于使得颗粒的含水量快速降低, 但该干燥时间较短以避免水分快速散失 所导致的复原米表面开裂。
釆用所述的多级低温干燥的目的在于, 逐级的使复原米颗粒的水分缓慢温和的散失, 避免颗粒外 表面水分散失快而内部水分散失慢所带来的干燥不充分以及颗粒外表面开裂等问题。
在干燥后的颗粒外表面涂敷一层可食用油脂类物质的目的在于进一步避免颗粒破损及开裂, 而其 后采用的所述的长时间恒温恒湿处理可以使得复原米的含水量稳定在一定范围内, 并逐渐使得复原米 外表面涂敷的物质形成一层保护膜。 经过恒温恒湿处理的复原米的稳定性较好。
可选择地对色选后地复原米颗粒进行进一步地后处理, 即打磨和染色, 以使得复原米在外形上更 加接近与天然米。
所有制备过程中地废弃物料都能得以回收, 并相应地重新进行处理, 故该制备流程中地物料损失 极低。
综上,本发明的技术优势在于制备得到的营养强化的复原米不仅具有与天然米相似或相近的外形, 而且具有与天然米相似或相近的煮熟时间和硬度, 并且不容易破损, 并且本发明的制备方法工艺流程 简单, 产率髙。

Claims

权 利 要 求 书
1、 一种营养强化的复原米的制备方法, 其特征在于, 以米或碎米作为原材 料, 并包括以下步骤:
步骤 1 : 除尘粉碎步骤, 对原材料进行预筛选, 筛去杂质, 然后对原材 料除尘并随后粉碎;
步骤 2: 材料混合步骤, 将原材料、 水与添加剂混合, 所述的步骤 2进 一步包括:
步骤 2.1 : 预混合步骤, 将粉碎后的 8〜22重量份原材料与 8〜22重量 份水预混合, 并加入 1〜2重量份乳化剂搅拌, 预混合 0.5〜2.4小时得到混 合物;
步骤 2.2:加料混合步骤, 向预混合步骤的混合物中加入 25〜65重量份 原材料、 8〜22重量份水和 1〜2重量份营养素进一步混合 1〜6小时得到混 合物;
步骤 3: 挤压成型步骤, 将加料混合步骤得到的混合物注入挤压机, 在 80〜100°C条件下进行挤压热处理 0.5〜5分钟,混合物经挤压机出口处的模 孔挤出, 并被旋转切割刀切割得到粒径为 2〜6mm、 长度为 7〜19mm的颗 粒;
步骤 4:干燥冷却步骤,将挤压成型步骤得到的颗粒烘干至含水量为 10〜 15% , 并在其上涂敷一层可食用油脂类物质, 在温度为 15〜25°C、 湿度为 10〜15%的环境下恒温恒湿冷却 10〜60小时, 得到产品。
2、 如权利要求 1 所述的一种营养强化的复原米的制备方法, 其特征在于, 所述的步骤 1中, 对原材料的除尘进一步包括静电除尘和高压除尘, 对原材 料的粉碎采用多级粉碎;
在所述的步骤 1中, 采用检査筛筛选粉碎后的颗粒, 对尺寸不合格的颗 粒回收并重新进行多级粉碎处理。
3、 如权利要求 1 所述的一种营养强化的复原米的制备方法, 其特征在于, 所述的步骤 2.2中, 将得到的浪合物加热至 60〜80°C, 并向其中添加 80〜 90 °C的高温水蒸气和 60〜70°C的低温水蒸气, 以调节混合物的温度至 70〜 80°C ;
在所述的步骤 2.2中, 向混合物中添加 1〜2重量份纤维素、 1〜2重量 份热稳定剂、 以及 1〜2重量份交联剂。
4、 如权利要求 1 所述的一种营养强化的复原米的制备方法, 其特征在于, 所述的营养素为维生素 、维生素 B1、维生素 B2、维生素 B6、叶酸、烟酸、 维生素 B12、 维生素 C、 维生素 E、 维生素 K、 微量元素、 核黄素、 VA醋酸 脂、 硫胺素、 葡萄糖酸锌、 葡萄糖酸钙、 乳酸钙中的一种或多种。
5、 如权利要求 1 所述的一种营养强化的复原米的制备方法, 其特征在于, 所述的步骤 3中, 对切割后的颗粒涂敷一层可食用油脂类物质, 然后对步骤 3中产生的碎料回收并重新挤压成型。
6、 如权利要求 1 所述的一种营养强化的复原米的制备方法, 其特征在于, 所述的步骤 4进一步包括:
步骤 4.1 : 将步骤 3中的颗粒进行高温干燥, 干燥温度为 60〜80°C, 干 燥时间 30〜210秒, 干燥后含水量为 20〜25% ;
步骤 4.2: 对步骤 4.1中的颗粒进行低温干燥, 干燥温度为 20〜60°C, 干燥时间为 120分钟至 40小时, 干燥后含水量为 10〜15%。
7、 如权利要求 6所述的一种营养强化的复原米的制备方法, 其特征在于, 所述的步骤 4.2中的低温干燥为多级低温干燥, 干燥温度依次为 50〜60°C、 40〜50°C、 30〜40°C以及 20〜30°C, 干燥时间皆为 30分钟至 10小肘, 干 燥后的含水量依次为 16〜21 %、 14〜19%、 12〜17%以及 10〜15%。
8、 如权利要求 1 所述的一种营养强化的复原米的制备方法, 其特征在于, 所述的步骤 4后还包括步骤 5: 对步骤 4.2中的产品进行色选检验, 回收次 品并将其返回至步骤 1中的粉碎装置。 '
9、 如权利要求 8所述的一种营养强化的复原米的制备方法, 其特征在于, 还包括一个对步骤 5得到的产品进行打磨并采用米白色可食用色素对其表面 进行喷涂染色并干燥的步骤。
10、一种根据权利要求 1至 9所述的方法制备的营养强化的复原米, 其特征 在于, 所述的复原米具有与天然米相同或相近的颜色和外形。
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CN103169022A (zh) * 2013-01-31 2013-06-26 温特牧(北京)科技有限公司 再生米生产方法
CN107348358A (zh) * 2017-07-26 2017-11-17 安徽省福宁米业有限公司 一种改性大豆膳食纤维营养大米的制备方法

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