Jasmine flower fragrant rice, processing method and device

文档序号：1837029 发布日期：2021-11-16 浏览：8次中文

阅读说明：本技术 一种茉莉花香米、加工方法及装置 (Jasmine flower fragrant rice, processing method and device ) 是由邢卫国陈世海于 2021-08-19 设计创作，主要内容包括：本发明提供一种茉莉花香米、加工方法及装置,加工方法包括以下步骤：对稻谷进行预处理,所述预处理包括对稻谷进行去壳,得到脱壳大米；对脱壳大米进行一次抛光,并在一次抛光时向脱壳大米喷洒茉莉花露,得到茉莉花香米,茉莉花露的喷洒量为(1-100)kg茉莉花露/1.5t脱壳大米。该茉莉花香米、加工方法及装置,在脱壳大米进行一次抛光时,利用抛光机的着水机构,向脱壳大米直接喷洒茉莉花露替代喷水,使香料均匀喷淋在米的表层,从而生产茉莉花香米,该方法操作简单、便捷,产量高、效率高,还可以有效地去除糠粉,降低米温,减少增碎。(The invention provides jasmine scented rice, a processing method and a device, wherein the processing method comprises the following steps: pretreating the rice, wherein the pretreatment comprises the step of removing shells of the rice to obtain hulled rice; polishing the hulled rice for one time, and spraying jasmine flower dew to the hulled rice during the polishing for one time to obtain jasmine flower fragrant rice, wherein the spraying amount of the jasmine flower dew is (1-100) kg jasmine flower dew/1.5 t hulled rice. According to the jasmine scented rice and the processing method and device, when the hulled rice is polished for the first time, the water-absorbing mechanism of the polishing machine is utilized to directly spray jasmine dew on the hulled rice instead of spraying water, so that the spice is uniformly sprayed on the surface layer of the rice, and the jasmine scented rice is produced.)

1. A processing method of jasmine fragrant rice is characterized by comprising the following steps:

pretreating the rice, wherein the pretreatment comprises the step of removing shells of the rice to obtain hulled rice;

polishing the shelled rice for one time, and spraying jasmine flower dew to the shelled rice during the one-time polishing to obtain jasmine flower fragrant rice, wherein the spraying amount of the jasmine flower dew is 1-100kg jasmine flower dew/1.5 t shelled rice.

2. The processing method of jasmine scented rice according to claim 1, wherein:

the spraying amount of the jasmine flower dew is 5-20kg jasmine flower dew per 1.5t hulled rice.

3. The processing method of jasmine scented rice according to claim 1, wherein:

the technological conditions for spraying jasmine flower dew to the hulled rice during the primary polishing are as follows: the temperature of the hulled rice is 32-35 ℃; the temperature of the jasmine flower dew is 0-5 ℃.

4. The processing method of jasmine scented rice as claimed in claim 1, wherein the process conditions during the primary polishing are as follows:

the rice flow is 2-3t of hulled rice/h;

the polishing pressure is 3.8-4.7 Pa;

the linear polishing speed is 2-3 t/h.

5. The processing method of jasmine scented rice as claimed in claim 1, wherein secondary polishing is further performed after the primary polishing, and the process conditions in the secondary polishing are as follows:

the rice flow is 2-3t of hulled rice/h;

the polishing pressure is 3.8-4.7 Pa;

the linear polishing speed is 2-3 t/h.

6. The processing method of jasmine scented rice as claimed in claim 1, wherein the pretreatment specifically comprises the steps of:

s1, screening rice;

s2, removing stones from the rice;

s3, carrying out magnetic separation on the paddy;

s4, drying the screened, stone-removed and magnetically-separated rice;

s5, shelling the dried rice to obtain shelled rice;

s6, grading the hulled rice;

and S7, carrying out color selection on the graded hulled rice to finish pretreatment.

7. The processing method of jasmine scented rice according to claim 6, wherein:

in step S4, drying the paddy until the water content is 10% -15%;

in step S5, the hulling rate of hulling rice is greater than 85%.

8. The processing device of jasmine fragrant rice is characterized by comprising:

the rice pretreatment equipment is used for pretreating rice, and comprises a rice huller;

the primary polishing machine is connected with the rice pretreatment equipment and arranged behind the rice pretreatment equipment, and comprises a water absorbing mechanism which is used for spraying jasmine flower dew to the hulled rice in the primary polishing machine.

9. The processing apparatus of jasmine scented rice of claim 8, wherein:

the rice pretreatment equipment comprises a vibrating screen, a stone remover, a magnetic separator, a dryer, a rice huller, a separating screen and a color selector which are connected in sequence.

10. A jasmine scented rice processed by the processing method of jasmine scented rice according to any one of claims 1-7.

Technical Field

The invention belongs to the technical field of food processing, and particularly relates to jasmine scented rice, a processing method and a processing device.

Background

People eat food as day and eat food as first. The rice is the first major food crop of China, the rice is the traditional staple food of Chinese people, can be accepted by almost hundreds of people due to being delicious and not being tired of eating for a long time, and the rice product has the characteristics of unique aromatic flavor and easy digestion, so the rice and the rice product have wide sale objects, huge development potential and wide market, and have great social benefit for research and development of the rice and the rice product.

Along with the continuous improvement of the living standard of people, the quality requirement of consumers on rice is higher and higher, the requirement on the quality of the rice is reflected on the quality and the taste, the sensory requirement and the functional requirement of the rice are higher and higher, particularly, the rice with good quality and a pearly and smooth appearance is more popular with the consumers, the quality of the high-quality rice is not only dependent on the producing area and the variety, but also the later processing technology is more important, and if the raw rice with good variety and good quality does not have the good processing technology, the later selling price can be greatly discounted, so that a processing factory suffers great economic loss.

The existing rice processing method is generally completed by the procedures of cleaning, impurity removal, husking, coarse rice separation, secondary husking, coarse grinding, white rice grading, color selection, polishing, split charging and the like of rice, and the process is completed by a plurality of sized large-scale continuous processing devices at present. The rice processed by the method and the equipment has different operating conditions in various plants, so the quality of the produced rice is also different, the quality of finished rice cannot be ensured, and the problems of the yield reduction of refined rice, the utilization rate reduction of raw rice and the like are caused.

Chinese patent document 201310628116.5 discloses a method for processing refined rice, which comprises the steps of cleaning rice, removing impurities, peeling, separating coarse rice, peeling again, coarse grinding, grading white rice, color sorting, polishing, subpackaging and the like, wherein the feeding flow rate of the rice in the polishing process is 75-85kg/min, the polishing water temperature is 10-18 ℃, the polishing water inlet amount is 0.2-0.4kg/min, the linear velocity of a polishing roller is 350m/min, the pressure of a polishing chamber is 0.018-0.07MPa, and the air suction amount is 55-65m³The polishing time is 5-8s, and the rice outlet flow is 74-84 kg/min; the rice produced by the method is uniform, full, crystal clear, less in broken grains, soft, glutinous, fragrant and sweet in taste, strong in market competitiveness, and great in social benefit and economic benefit. Chinese patent document 201410258719.5 discloses a rice processing method, comprising the following steps: screening rice, removing stone, magnetic separation, removing husk, separating rice from brown rice, thickness classification, rice milling, white rice classification,Cooling rice, polishing, color sorting, secondary white rice grading, sterilizing and packaging. The method has simple processing process and high rice yield, can reduce the production cost of rice processing enterprises, and the rice produced by the method is clean, has good smoothness and low broken rice rate.

Said invention is aimed at producing general rice with complete rice grains and bright surface, and its nutrient elements are only nutrient elements of rice, and its nutrient component is single. Chinese patent document 201510380843.3 discloses a processing method of jasmine flower mulberry leaf scented rice, which comprises the steps of rice screening, stone removal, magnetic separation, drying, rice shelling, white rice grading and color selection, jasmine flower cultivation, a scenting machine, circular scenting of jasmine flower and rice in a bamboo sieve, a layer of jasmine flower and a layer of rice in a superposition mode, and timely separation of rice and flower to obtain jasmine flower scented rice. The method utilizes jasmine and organic rice to obtain jasmine fragrant rice, and meets high requirements of consumers on rice quality and nutrition. However, the method is similar to a smoking process, a layer of jasmine flowers and a layer of rice are needed to be overlapped and smoked, the jasmine flower fragrance and the rice are promoted to be fused to generate the jasmine flower mulberry leaf fragrant rice, the fragrant rice is complex in production operation, long in yield time, low in efficiency, and relatively wastes jasmine flower raw materials, and the method is difficult to industrialize.

Disclosure of Invention

The invention solves the technical problem of providing a processing method and a device of jasmine scented rice, when hulled rice is polished for one time, jasmine dew is directly sprayed on the hulled rice instead of water spraying by utilizing a water-sticking mechanism of a polishing machine, so that spice is uniformly sprayed on the surface layer of the rice, thereby producing the jasmine scented rice.

In order to solve the above problems, an aspect of the present invention provides a method for processing jasmine scented rice, comprising the steps of:

pretreating the rice, wherein the pretreatment comprises the step of removing shells of the rice to obtain hulled rice;

The jasmine flower is called jasmine, is upright or climbing shrub in the genus of Jasminum in the family of Oleaceae, is one of ten kinds of flower tea in China, has the fragrance of flowers in spring, has the fresh smell of tea leaves, has fragrant and sweet taste, and is a very popular flower tea. Jasmine has rich anthocyanin and can provide antioxidant substances for human body through conversion, so that the jasmine has great effects and efficacies of nourishing and beautifying face, whitening skin, dredging intestines and stomach of human body, discharging stubborn stool, guiding qi downward and refreshing brain, reducing blood pressure and blood fat, resisting bacteria and viruses and treating cancers. Therefore, the jasmine flower fragrant rice integrates the traditional rice and the jasmine flowers, and the microelements and anthocyanin in the jasmine flowers of the rice are endowed, so that the nutritional value of the rice can be greatly improved.

Wherein the jasmine flower distillate is essential oil containing jasmine flower fragrance substances extracted by various methods. For example, the jasmine flower extract may be obtained by extracting jasmine flower by a method such as organic phase extraction and heating distillation, or may be obtained by a more innovative method provided in the literature, for example, a patent publication No. CN109593607A entitled a preparation and storage method of jasmine flower distillate. And can also be directly purchased by manufacturers. Wherein the main fragrant substances are benzyl alcohol, methyl salicylate, linalool, methyl anthranilate and benzyl acetate. The fragrant substances of the floral water in different months are mainly linalool, indole and geraniol.

In the rice processing process, in order to remove bran powder on the surface layer of rice grains and gelatinize starch on the surface of the rice grains to ensure that the rice grains are bright to a certain extent, the rice needs to be polished, and in the polishing process, in order to ensure wet friction of the rice grains in the polishing chamber, a water-absorbing mechanism on the polishing machine needs to be used for spraying water on the surface of the rice in the polishing chamber. In addition, the processing method can be realized by directly utilizing the existing rice processing production line without adding redundant devices or modifying the production line, thereby greatly saving the equipment cost.

Preferably, the spraying amount of the jasmine flower water is 5-20kg jasmine flower water/1.5 t hulled rice. The spraying amount of the jasmine flower dew during polishing the hulled rice has important influence on the taste and the polishing effect of the fragrant rice, and the excessive spraying amount can cause abnormal flowing of rice grains and cause excessive pressure in a polishing machine, so that the crushing is intensified, and even the rice is blocked; and if the spraying amount is too small, only the bran powder is simply removed, the effect of reducing the temperature of the rice and the reduction of breakage cannot be effectively achieved, the glossiness of the rice is reduced, and the jasmine flower dew is too little in contact with the rice and is not easy to adhere to the surface of the rice, so that the visual effect, the edible taste and the nutritional value of the scented rice are directly influenced, and therefore, the spraying amount of the jasmine flower dew needs to be strictly controlled. A large number of experimental researches show that when the spraying amount is adopted, the integrity and the nutritive value of the prepared jasmine flower fragrant rice are optimal.

Further preferably, the spraying amount of the jasmine flower water is 10kg jasmine flower water/1.5 t dehulled rice.

Preferably, the process conditions for spraying jasmine dew to the hulled rice during the primary polishing are as follows: the temperature of the hulled rice is 32-35 ℃; the temperature of the jasmine flower dew is 0-5 ℃. The temperatures of the hulled rice and the extracting solution when the jasmine flower dew is sprayed have direct influence on the integrity, the breakage rate, the dry matter content and the organic matter content of the finally obtained jasmine flower fragrant rice, and the jasmine flower fragrant rice can have high integrity, low breakage rate, high dry matter content, high organic matter content, high appearance oil amount and fragrant taste when the temperatures are adopted.

Further preferably, the process conditions for spraying jasmine dew to the hulled rice during the primary polishing are as follows: the temperature of the hulled rice is 35 ℃; the temperature of the jasmine flower dew is 0 ℃.

Preferably, the process conditions in the primary polishing are as follows:

the rice flow is 2-3t of hulled rice/h;

the polishing pressure is 3.8-4.7 Pa;

the linear polishing speed is 2-3 t/h.

The flow, polishing pressure and polishing linear speed of the polished rice have important influences on the integrity, surface brightness and other effects of the polished rice, and simultaneously influence the contact effect of the rice and the jasmine flower dew, so that the types and content of nutrient substances of the jasmine flower fragrant rice are influenced. The rice flow during polishing is too small, so that the rice grains are too much turned in a polishing chamber, the friction force and the impact force are too large, over-grinding linearity is generated, the surfaces of the rice grains lose brightness, and the rice yield is influenced; the rice grains are not easy to roll due to overlarge flow, the contact chance of the rice grains with the iron roller and the rice sieve is less, and the rice cannot achieve the polishing effect. The rice grains processed by the method can be complete and have bright surfaces by adopting the proper rice flow.

Preferably, the primary polishing is followed by a secondary polishing, and the process conditions in the secondary polishing are as follows:

the rice flow is 2-3t hulled rice/h;

the polishing pressure is 3.8-4.7 Pa;

the linear polishing speed is 2-3 t/h.

Preferably, the pretreatment specifically comprises the steps of:

s1, screening rice;

s2, removing stones from the rice;

s3, carrying out magnetic separation on the paddy;

s4, drying the screened, stone-removed and magnetically-separated rice;

s5, shelling the dried rice to obtain shelled rice;

s6, grading the hulled rice;

and S7, carrying out color selection on the graded hulled rice to finish pretreatment.

Preferably, in step S4, the rice is dried to a moisture content of 10% to 15%;

in step S5, the hulling rate of hulling rice is greater than 85%.

Specifically, the pretreatment specifically comprises the following steps:

s1, selecting clean organic paddy, and primarily cleaning the paddy by adopting a roller primary cleaning sieve and a vibrating sieve to remove weeds, branches and leaves in the paddy;

s2, removing soil and sand stone blocks mixed in the paddy rice by using a stone remover;

s3, removing iron-containing impurities mixed in the rice by using a magnetic separator;

s4, drying the paddy rice by adopting a six-layer circulating dryer until the water content is 10% -15%;

s5, hulling the paddy by using a huller to obtain hulled rice, wherein the hulling rate is more than 85%;

s6, separating complete grains from incomplete grains of the unshelled rice by using a separating screen, and selecting the complete grains for later use;

s7, selecting complete rice grains, and removing different color grains by using a color selector to finish pretreatment.

Preferably, the method further comprises a step of storing the jasmine flower essence, and specifically comprises the following steps:

the jasmine flower dew is stored in a cool and ventilated environment, is far away from seeds and personnel, and is stored at the temperature of no more than 30 ℃.

Preferably, the step of storing the jasmine distillate further comprises:

sealing operation is carried out, and ventilation is enhanced;

operators must be trained to strictly follow the operating regulations;

operators wear masks and chemical safety glasses, wear acid and alkali resistant work clothes and wear rubber acid and alkali resistant gloves;

the cigarette is far away from fire and heat sources, and smoking is strictly prohibited in workplaces;

keeping the container sealed, storing the container and other chemical related reagents separately, and avoiding mixing and storing;

explosion-proof lighting and ventilation facilities are adopted;

prohibiting the use of mechanical devices and tools that are susceptible to spark;

the reservoir is provided with leakage emergency treatment equipment and appropriate containment materials.

Another aspect of the present invention provides a processing apparatus for jasmine scented rice, comprising:

the rice pretreatment equipment is used for pretreating rice, and comprises a rice huller;

Preferably, the rice pretreatment equipment comprises a vibrating screen, a stone remover, a magnetic separator, a dryer, a rice huller, a separating screen and a color selector which are connected in sequence.

Preferably, the polishing machine further comprises a secondary polishing machine which is connected with the primary polishing machine and arranged behind the primary polishing machine, wherein the secondary polishing machine comprises a water-absorbing mechanism which is used for spraying jasmine flower dew to the hulled rice in the secondary polishing machine.

A jasmine scented rice processed by the processing method of jasmine scented rice is provided.

Compared with the prior art, the invention has the following beneficial effects:

1. jasmine has rich anthocyanin and can provide antioxidant substances for human body through conversion, so that the jasmine has great effects and efficacies of nourishing and beautifying face, whitening skin, dredging intestines and stomach of human body, discharging stubborn stool, guiding qi downward and refreshing brain, reducing blood pressure and blood fat, resisting bacteria and viruses and treating cancers. Therefore, according to the processing method of the jasmine flower fragrant rice, the traditional rice and the jasmine flower are fused, trace elements and anthocyanin in the jasmine flower of the rice are endowed, and the nutritional value of the rice can be greatly improved;

2. the processing method of the jasmine scented rice provided by the invention has the advantages that jasmine dew is sprayed to replace water when the rice is polished, the hulled rice in the polishing process in the polishing chamber is directly sprayed, and the jasmine dew is uniformly sprayed on the surface layer of the rice, so that the jasmine scented rice is prepared. Moreover, the processing method can be realized by directly utilizing the existing rice processing production line without adding redundant devices or modifying the production line, thereby greatly saving the equipment cost;

3. according to the processing method of the jasmine fragrant rice, the jasmine fragrant rice has the best taste, appearance and nutritional value through regulation and control of the spraying amount, spraying temperature, rice flow, polishing pressure and polishing linear speed of jasmine dew during one-time polishing of rice;

4. according to the processing device for jasmine scented rice, the jasmine scented rice can be produced by adjusting the water spraying in the polishing equipment to be jasmine dew spraying on the original rice production line, other equipment does not need to be added or the production line is not required to be modified, and equipment cost is greatly saved.

Drawings

Fig. 1 is a schematic structural diagram of a processing apparatus for jasmine scented rice according to an embodiment of the present invention.

Wherein: 1-vibrating screen; 2-a stone remover; 3-a magnetic separator; 4-a dryer; 5-rice huller; 6-separating screen; 7-color sorter; 8-one polishing machine; 81-watering mechanism.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following examples, jasmine flower juice is an existing product and purchased from Minyan tea industry Co.

Example 1

The processing method of jasmine scented rice described in this embodiment includes the following steps in sequence:

s1, selecting clean organic paddy, and primarily cleaning the paddy by adopting a roller primary cleaning sieve and a vibrating sieve to remove weeds, branches and leaves in the paddy;

s2, removing soil and sand stone blocks mixed in the paddy rice by using a stone remover;

s3, removing iron-containing impurities mixed in the rice by using a magnetic separator;

s4, drying the paddy rice by adopting a six-layer circulating dryer until the water content is 10% -15%;

s5, hulling the paddy by using a huller to obtain hulled rice, wherein the hulling rate is more than 85%;

s6, separating complete grains from incomplete grains of the unshelled rice by using a separating screen, and selecting the complete grains for later use;

s7, removing the abnormal grains by using a color sorter to complete pretreatment;

s8, polishing the pretreated hulled rice for one time, and spraying jasmine flower dew to the hulled rice during the polishing for one time to obtain jasmine flower fragrant rice, wherein the spraying amount of the jasmine flower dew is 10kg of jasmine flower dew per 1.5t of hulled rice; the temperature of the hulled rice is 35 ℃; the temperature of the jasmine flower dew is 0 ℃; the rice flow is 2t of hulled rice/h; the polishing pressure is 3.8 Pa; the linear polishing speed is 3 t/h.

Also comprises a storage step of the jasmine flower essence, which comprises the following steps:

A1. sealing operation is carried out, and ventilation is enhanced; operators must be trained to strictly follow the operating regulations; operators wear masks and chemical safety glasses, wear acid and alkali resistant work clothes and wear rubber acid and alkali resistant gloves; the cigarette is far away from fire and heat sources, and smoking is strictly prohibited in workplaces;

A2. storing the jasmine flower dew in a cool and ventilated environment, wherein the temperature of the storage environment is not more than 30 ℃ and is far away from seeds and personnel; keeping the container sealed, storing the container and other chemical related reagents separately, and avoiding mixing and storing; explosion-proof lighting and ventilation facilities are adopted;

A3. prohibiting the use of mechanical devices and tools that are susceptible to spark; the reservoir is provided with leakage emergency treatment equipment and appropriate containment materials.

Example 2