A kind of polishing agent of artificial rice prepared from miscellaneous grain crops and glossing
Technical field
The present invention relates to a kind of preparation method's of food, particularly a kind of artificial rice prepared from miscellaneous grain crops polishing agent and glossing.
Background technology
Artificial rice prepared from miscellaneous grain crops is claimed various grains composite rice again, and it is to be primary raw material with multiple coarse cereals, adds (or not adding) melon dish potato class, processes rice shape particle after the mixing, supplies people edible as staple food as rice.This artificial rice prepared from miscellaneous grain crops coarse food grain carefully cooked, balanced in nutrition; Overcome the defective that the coarse cereals mouthfeel is poor, the difficulty of tasting bad is done; For people increase coarse cereals absorption, prevent and treat hypertension, high fat of blood, hyperglycaemia, intestines problem, obesity etc. modern " rich man's disease ", a kind of popular food is provided.
In the production technology of existing artificial rice prepared from miscellaneous grain crops; Chinese patent 200410068879 (application number), 200610087246 (application numbers) and 00120584 (application number) disclose the method production artificial rice prepared from miscellaneous grain crops of colding pressing and granulating with extruding and puffing technology or roller; Because the grain of rice is processed the back without polishing; Appearance is coarse smooth inadequately, not only influences the sense organ of product but also influence quality stability.This rice finished product poor heat stability, starch oozes out very soon and causes paste soup during boiling in boiling water, and organoleptic properties is bad.Therefore, this rice is normally edible as quick-cooking rice, promptly is fit to cook with the method for few waters such as steaming, stewing, and big yield long-time heating such as be not suitable for cooking gruel is hotted plate, and eating method has certain limitation.Improve the quality of artificial rice prepared from miscellaneous grain crops, strengthen heat endurance, make that Qi Jingpao is anti-to be boiled, being needs improved problems.Increase buffer's artistic skill and obviously improve the quality of artificial rice prepared from miscellaneous grain crops.
The water mill glossing is adopted in the polishing of general rice usually, is to make polishing agent with water, will meet the rice of certain precision; After water, profit rice, send into the rice polishing machine, roll under roller and the mutual rubbing action of the grain of rice at polishing machine; Starch is given birth to by one deck under the mill in grain of rice surface, under water and uniform temperature, and the amylan materialization on grain of rice surface; Thereby make grain of rice surface sparkling and crystal-clear bright and clean, the glutinous rice chaff does not reach the purpose that rice polishes.
The glossing and the equipment thereof of general rice are not suitable for artificial rice prepared from miscellaneous grain crops, because both raw material compositions are different with institutional framework, the physical chemical characteristics on grain of rice surface is different.Because the starch gelatinization or half gelatinization of artificial rice prepared from miscellaneous grain crops, the one deck that can not rub is given birth to starch, and the grain of rice can absorb water and dilatancy after meeting water on the contrary in a large number, is sticked together, and organoleptic properties is very poor, has a strong impact on the quality of product.
Summary of the invention
The objective of the invention is provides a kind of new polishing agent and glossing thereof of suitable artificial rice prepared from miscellaneous grain crops characteristics to the problems referred to above, through polishing; Make artificial rice prepared from miscellaneous grain crops remove grain of rice dust, repair the rough surface of the grain of rice, form the smooth gelatinous layer of layer of transparent on the artificial rice prepared from miscellaneous grain crops surface; Make the grain of rice sparkling and crystal-clear bright and clean, improve the fineness and the hardness of artificial rice prepared from miscellaneous grain crops, the speed that the infiltration rate of water and grain of rice internal starch are separated out when slowing down boiling simultaneously; Slow down the aerial oxidation of artificial rice prepared from miscellaneous grain crops; Thereby improve product quality, prolong shelf life, heat endurance strengthens during culinary art.
The objective of the invention is to realize like this, a kind of polishing agent of artificial rice prepared from miscellaneous grain crops and glossing is characterized in that: this polishing agent is to be formed by following feedstock production by weight percentage: water soluble protein powder 1-5%; Starch 0.8-2%; Carbohydrate 0.2-2%; Grease class 0-1%; Emulsifying agent 1-3%; Stabilizing agent 1-2%; Water 85-95%; Cereal fumet 0-0.02%.
Described water soluble protein powder is the soybean protein isolates powder that uses soybean to process as raw material.
Described starch is a kind of in farina, glutinous rice converted starch, modified corn starch, the maltodextrin.
Described carbohydrate is a kind of in glucose, sucrose, the HFCS.
Described grease is a kind of in edible peanut oil, soybean oil, corn oil, the salad oil.
Described emulsifying agent is a kind of in monoglyceride, the sucrose fatty ester.
Described stabilizing agent comprises a kind of in calcium lactate, the calcium chloride.
Described cereal fumet is flavour enhancer for rice or corn fumet: natural essence.
Another object of the present invention provides a kind of glossing of suitable artificial rice prepared from miscellaneous grain crops characteristics.
The preparation method of described polishing agent is:
After above-mentioned materials of weight proportions mixing and stirring, through high pressure homogenizer continuous homogeneous 2-3 time in pressure 20MPa-30MPa scope, make the abundant mixing and emulsifyings of raw material such as oil, water even, exquisiteness is lubricious.
The glossing of described suitable artificial rice prepared from miscellaneous grain crops characteristics is: with even particle size, free from admixture, no dust, the water content artificial rice prepared from miscellaneous grain crops without polishing at 12%-14%; Polishing is 1-6 minute in the sugar coating machine of drum-type polishing machine or band hot blast; Employing simultaneously being beaten to drip, spray or beat a spraying mode of combining and adding the polishing agent emulsified solution that addition is the 0.5%-2.5% of grain of rice weight; Use heated-air drying in the polishing process; The temperature of heated-air drying is 40 ℃-50 ℃, and polishing is synchronous with heated-air drying, reduces to below 14% to grain of rice surface moisture.
Compare with prior art, the present invention has following characteristics:
1, because light water grinding and polishing light technology is not suitable for the polishing of artificial rice prepared from miscellaneous grain crops, the present invention has confirmed the polishing agent and the glossing of suitable artificial rice prepared from miscellaneous grain crops characteristics.This polishing agent is characterized in that a kind of emulsified solution that is composited by plurality of raw materials, mainly is made up of water, protein powder, starch, carbohydrate, grease class, emulsifying agent and stabilizing agent.After this composite polishing agent solution is sprayed on grain of rice surface, under action of temperature, form the smooth gelatinous layer of layer of transparent very soon on the artificial rice prepared from miscellaneous grain crops surface, repaired rough grain of rice surface, make grain of rice surface sparkling and crystal-clear bright and clean, improve the fineness and the hardness of rice; Simultaneously play the effect of layer of protecting barrier film again, the speed that the infiltration rate of water and grain of rice internal starch are oozed out when slowing down boiling is slowed down the aerial oxidation of artificial rice prepared from miscellaneous grain crops; Thereby improve product quality; Prolong shelf life, product is improved the quality, heat endurance strengthens during culinary art.
2, this polishing agent is a kind of composite emulsifying solution, and this solution is through high-pressure homogeneous, and plurality of raw materials such as oil, water fully mix, and is fine and smooth lubricious, is easy to form even, smooth film on grain of rice surface.
3,, confirm glossing and equipment according to the characteristics of artificial rice prepared from miscellaneous grain crops.Because common rice polishing machine is not suitable for artificial rice prepared from miscellaneous grain crops; Therefore the polissoir of artificial rice prepared from miscellaneous grain crops is selected the sugar coating machine of drum-type polishing machine or band hot blast for use; Not the living starch of surface " under the mill " one deck at the grain of rice; But " add " the smooth gelatinous layer of layer of transparent on the surface of artificial rice prepared from miscellaneous grain crops, and dry simultaneously, play the purpose that improves product quality.
The specific embodiment
Below in conjunction with specific embodiment the present invention is further specified.Should be understood that these embodiment make polishing agent of the present invention be able to implement, and be not used in restriction scope of the present invention.The equipment of the method for unreceipted actual conditions and use among the following embodiment, usually according to normal condition, or the condition of advising according to manufacturer.
Embodiment 1
1, the polishing agent emulsified solution is prefabricated
The prescription of A, polishing agent emulsified solution: soybean protein isolates powder 2.4%, farina 1.2%, liquid glucose 0.8%, edible salad oil 0.5%, monoglyceride 3%, calcium lactate 1.2%, all the other are 45 ℃ of running water.
B, by prescription batching, mixing and stirring is carried out homogeneous through high pressure homogenizer, homogenization pressure 25MPa, homogeneous processing twice makes the abundant mixing and emulsifying of raw material even, and is fine and smooth lubricious.
2, polishing: at 12%-14%, without the artificial rice prepared from miscellaneous grain crops of polishing, polishing is 4 minutes in the sugar coating machine of band hot blast with the even particle size that conforms to quality requirements, free from admixture, no dust, water content.Artificial rice prepared from miscellaneous grain crops rolls in sugar coating machine, limit rolling spray painting and polishing agent solution, and the addition of polishing agent solution is 1.5% of Mi Chongliang; Addition manner is spraying; Note spraying evenly, make the surface of artificial rice prepared from miscellaneous grain crops be formed uniformly the smooth gelatinous layer of layer of transparent, with 45 ℃ of hot blasts drying is carried out on grain of rice surface in the time of spraying; Polishing is synchronous with heated-air drying, and with grain of rice dry tack free to moisture below 14%.
Embodiment 2
1, the polishing agent emulsified solution is prefabricated:
The prescription of A, polishing agent emulsified solution: soybean protein isolates powder 5%, glutinous rice converted starch 0.8%, HFCS 2.0%, edible peanut oil 1%, monoglyceride 2%, calcium chloride 1%, flavour enhancer for rice (natural essence) 0.02%, all the other are 45 ℃ of running water.
Can also adopt modified corn starch to substitute the glutinous rice converted starch in this prescription.
B, by prescription batching, mixing and stirring is carried out homogeneous through high pressure homogenizer, homogenization pressure 20MPa, homogeneous processing 3 times makes the abundant mixing and emulsifying of raw material even, and is fine and smooth lubricious.
2, polishing: with the even particle size that conforms to quality requirements, free from admixture, no dust water content was thrown 1 minute in band hot blast sugar coating machine without the artificial rice prepared from miscellaneous grain crops of polishing at 12%-14%.Artificial rice prepared from miscellaneous grain crops rolls in cylinder, and the limit rolling adds polishing agent solution, and the addition of polishing agent solution is 0.5% of Mi Chongliang; Addition manner is for beating the mode of spraying again of dripping; Note spraying evenly, make the surface of artificial rice prepared from miscellaneous grain crops be formed uniformly the smooth gelatinous layer of layer of transparent, with 40 ℃ of hot blasts drying is carried out on grain of rice surface in the time of spraying; Polishing is synchronous with heated-air drying, and with grain of rice dry tack free to moisture below 14%.
Embodiment 3
1, the polishing agent emulsified solution is prefabricated
The prescription of A, polishing agent emulsified solution: soybean isolate protein powder 1%, maltodextrin 0.85%, sucrose 0.2%; Modified corn starch 2%, edible corn oil 1%, sucrose fatty ester 1%; Calcium lactate 2%, corn fumet (natural essence) 0.01%, all the other are 30 ℃ of running water.
B, by prescription batching, mixing and stirring is carried out homogeneous through high pressure homogenizer, homogenization pressure 30MPa, homogeneous processing 2 times makes the abundant mixing and emulsifying of raw material even, and is fine and smooth lubricious.
2, polishing: artificial rice prepared from miscellaneous grain crops was polished 6 minutes in the drum-type polishing machine.Artificial rice prepared from miscellaneous grain crops rolls in cylinder, and the limit rolling adds polishing agent solution, and the addition of polishing agent solution is 2.5% of Mi Chongliang; Addition manner drips for beating; Note beating and drip evenly, make the surface of artificial rice prepared from miscellaneous grain crops be formed uniformly the smooth gelatinous layer of layer of transparent, with 50 ℃ of hot blasts drying is carried out on the grain of rice surface when beating droplet; Polishing is synchronous with heated-air drying, and with grain of rice dry tack free to moisture below 14%.