CN1535599A

CN1535599A - Production metod of cooked instant rice

Info

Publication number: CN1535599A
Application number: CNA03109676XA
Authority: CN
Inventors: 徐敦言
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-04-11
Filing date: 2003-04-11
Publication date: 2004-10-13
Anticipated expiration: 2023-04-11
Also published as: CN1263393C

Abstract

The present invention discloses a production process of instant cooked rice, said production process includes the following steps: (1). pretreatment step: soaking rice in room-temp. water, then taking out and drying; (2) boiling step: boiling the pretreated rice in water; (3) steaming step: steaming the boiled rice by using steam and cooking rice; (4) cold water immersion step; immersing the steamed rice with cold water; and (5). drying step; spreading immersed rice, drying by using dry hot air, dividing into 2-3 stages of drying from 60 deg.C-120 deg.C, high-temp. sterilizing, bagging and sealing so as to obtain the invented instant cooked rice. Besides, 4-6% of starch and 9-11% of red bean also can be added. Said invented product is long for storage.

Description

The production technology of the convenient rice of a kind of prepared food

Technical field

The present invention relates to the production technology of a kind of prepared food aspect rice.

Background technology

At present, the rhythm of people's life is accelerated day by day, and thereupon, the requirement of instant food, instant flour food is also increasing, and various packed, box-packed instant noodles are flooded with the shelf in big or small supermarket, make the people too plenty for the eye to take it all in.But convenient rice is difficult to see on market, and its reason is, the difficulty of the production and processing of convenient rice is far longer than the production and processing of instant noodles, and the convenient rice of institute's production and processing is not expand, have hard core with bubble, is bonded to bulk exactly, is unfavorable for that water brews.Number of patent application 98113718.0 is called " a kind of instant-rice ", discloses a kind of production method of instant-rice.This method be with rice, glutinous rice, scented rice through soaking, draining, cook, dry in the air to normal temperature, drying is dried in the air to normal temperature, and the bulk of bonding is broken into pieces.Glutinous rice, scented rice are processed into powdery, again that rice, glutinous rice flour, scented rice powder is hybrid packed in proportion.The shortcoming of this method is that the method that employing once cooks is easy to generate hard core in the dried rice; And adopted primary drying 3 hours, and temperature is 60 ℃, though drying time is long, temperature is not high, and temperature to the beginning is 60 ℃ extremely eventually, is easy to generate the bulk of bonding, when especially dry, core does not have drying saturating in the grain of rice, causes the dry contraction of core surface drying inconsistent, does not expand with bubble when edible.Number of patent application 97105118.6 " processing technology for instant rice " by name discloses a kind of convenient meter processing technology.This technology is that rice is soaked, and in the polybag of the nontoxic high-pressure resistant high temperature of packing into, carries out high pressure steaming, after the sterilization, seals sack while hot.The technology shortcoming of being somebody's turn to do is undried, storage life weak point.Because above-mentioned various shortcoming, make things convenient for that Mi Weineng is capable to become large-scale commercialization.

Summary of the invention

The object of the present invention is to provide a kind of no hard core, water is once bubble grain of rice expansion, instant, and the convenient rice of the prepared food of long shelf-life.

For achieving the above object, the present invention takes following technical scheme:

The production technology of the convenient rice of this prepared food comprises the steps:

(1), pre-treatment step: rice is soaked the back with room temperature water take out drying;

(2), boiling step: with the boiling in water of pretreated rice;

(3), steam step: the rice of boiling is cooked with steam;

(4), cold water impregnation steps: the rice that will steam floods with cold water;

(5), baking step: impregnated rice is divided out, carried out drying with hot dry wind, be divided into 2-3 stage with hot dry wind from 60 ℃-120 ℃ and carry out drying, adopt the hot dry wind high-temperature sterilization again, last, the convenient rice of prepared food is promptly made in the pack sealing.

In the described step (5) of the production technology of the convenient rice of prepared food of the present invention, the hot dry wind drying was divided into 2 stages, the phase I: with 60 ℃-90 ℃ the predrying 45-60 of hot dry wind minutes; Second stage: strengthen typing dry 45-60 minute with 100 ℃-120 ℃ hot dry winds; The hot dry wind high-temperature sterilization is the hot dry wind sterilizing-drying 5-10 second with 190 ℃-210 ℃.By above-mentioned drying, the moisture weight of the convenient rice of prepared food can be reduced to 4-7%.Drying by first and second stage can make rice drying contraction stably, and the lining core is all dry saturating, and the dry contraction of core surface drying is consistent, and water expands once steeping the grain of rice when helping eating.Purpose with the hot dry wind high-temperature sterilization is sterilization, helps long preservation.

In the described step (1) of the production technology of the convenient rice of prepared food of the present invention, carry out drying with 70 ℃-90 ℃ hot dry winds, be 20-40 minute drying time.The time of soaking with room temperature water is 7-15 minute.The main purpose that adopts rice to soak with room temperature water and carry out dry method is to make rice softening, and makes rice not have hard core.

In the described step (2) of the production technology of the convenient rice of prepared food of the present invention, rice in 92 ℃-98 ℃ water boiling 4-6 minute.The weight of water is 4-8 times of rice weight.In boiling meter process, do not stir.The purpose of boiling is that the particle of rice is expanded, and reaches about 1.5 times, there is no hard core.By boiling the grain of rice is expanded as much as possible,, help in baking step, shrinking gradually, also help grain of rice water and brew expansion immediately to strengthen the flexible ability of the grain of rice.

In the described step (3) of the production technology of the convenient rice of prepared food of the present invention, rice steams 8-12 minute under normal pressure.The vapor (steam) temperature that steams under the normal pressure is 100 ℃.Also can pressurize steams, and the time that steams just correspondingly shortens.By steaming rice is thoroughly cooked.

In the described step (4) of the production technology of the convenient rice of prepared food of the present invention, rice flooded 1-2 minute in the water below 15 ℃.It mainly acts on is the dispersiveness that improves the grain of rice, prevents that the grain of rice from forming bulk.

In described step (5) step of the production technology of the convenient rice of prepared food of the present invention, strengthen adding the starch of the 4-6% of its weight in the dried rice of typing at hot dry wind, and be mixed.Can make the smooth and thickness of the convenient rice of prepared food after brewing.

In the described step (5) of the production technology of the convenient rice of prepared food of the present invention, after the rice hot dry wind is strengthened the typing drying, add rde bean and be mixed, the weight of rde bean is the 9-11% of rice weight, described rde bean by the mill skin, in water, soak, boil, drying makes.Can make the convenient rice of prepared food after brewing that beans perfume (or spice), nutty is arranged.

In the described step (5) of the production technology of the convenient rice of prepared food of the present invention, employed rde bean is in making process, advanced row filter, select first-class rde bean, the crust that will screen good rde bean then is worn, again the rde bean of worn scaling was soaked 25-40 minute with room temperature water, ripe soaked rde bean again with the 4-8 poach doubly of rde bean weight, the time of control is 25-40 minute, again the rde bean that boils was dried 45-60 minute with 100 ℃-120 ℃ hot dry wind, the moisture weight that makes rde bean is 4-6%, dried rde bean and hot dry wind are strengthened the dried rice of typing, and starch is mixed, and through the hot dry wind high-temperature sterilization, refills the bag sealing and promptly makes the convenient rice of the prepared food that contains rde bean.

Advantage of the present invention is: the no hard core of the convenient rice of prepared food of the present invention, water once the bubble grain of rice expand, instant, and long shelf-life, and prepared food of the present invention both had been graininess after conveniently meter brewing, do not lumpd, thickness again between the grain of rice; When edible, not only smooth but also good to eat.

Description of drawings

Fig. 1 is the technological process of production figure that prepared food of the present invention makes things convenient for rice

The specific embodiment

Embodiment 1

As shown in Figure 1, carry out preliminary treatment earlier, the rice of getting 2 kilograms took out with 15 ℃ of water logging bubbles in 10 minutes, used 80 ℃ of heated-air dryings 30 minutes again.Carry out boiling then, the water of putting into 12 kilograms in boiling the rice pot is heated to boiling, more above-mentioned rice is poured into rapidly in the pot, keeps about 95 ℃ heating 5 minutes, boils in meter process and does not stir, and by boiling rice pellets is expanded about 1.5 times.After boiling rice, the rapid drop of thin rice gruel is gone out, steam again, rice is moved into steam in the rice pot, steamed 10 minutes, rice is thoroughly cooked by steaming with 100 ℃ of vapours.After steaming rice rice is taken out, carry out the cold water dipping immediately, with 15 ℃ of water rettings 2 minutes.The grain of rice under the cold stain drop divided on ventilative stainless steel screen tray dry, earlier with 80 ℃ of hot dry wind elder generations predry 50 minutes, strengthened typing dry 50 minutes with 100 ℃ hot dry wind again, can make the stably dry contraction of rice by above-mentioned two stage drying, in core all dry saturating, carry out high-temperature sterilization at last, with 200 ℃ of hot dry wind sterilizing-dryings 8 seconds, so far, the rice water content after the oven dry is reduced to about 6%.The convenient rice of prepared food is promptly made in the pack sealing.

Embodiment 2

Adding starch and be mixed in the grain of rice under cold stain drop, remaining is all identical with embodiment 1.As shown in Figure 1, after rice oven dry, add the starch of 100 grams, by be mixed, high-temperature sterilization, pack sealing promptly make convenient meter of prepared food.Made prepared food makes things convenient for Mi Hanyou starch, has smooth and characteristics thickness after the convenient rice of this prepared food brews.

Embodiment 3

Remove after rice (containing starch) hot dry wind is strengthened the typing drying, outside being mixed with rde bean, remaining is all identical with embodiment 2, and the weight of rde bean is 10% of rice weight.The convenient rice of made prepared food not only contains starch, but also contains rde bean, not only has smooth and characteristics thickness after the convenient rice of this prepared food brews, and also has beans perfume (or spice), nutty.

As shown in Figure 1, employed rde bean is in making process, advanced row filter, wait the rde bean of 200 grams in the selection, grind skin then, the crust of the rde bean that screening is good is worn, soaks again, and the rde bean of worn scaling was steeped 30 minutes with 15 ℃ of water loggings, ripe soaked rde bean again with the poach of 1200 grams, the time of control is 30 minutes, then with the rde bean that boils with 110 ℃ hot dry wind drying 50 minutes, the moisture weight that makes rde bean is 5%, dried rde bean is strengthened the dried rice of typing with hot dry wind again, and starch is mixed, and through the hot dry wind high-temperature sterilization, refills the bag sealing and promptly makes the convenient rice of the prepared food that contains rde bean.

The convenient rice of prepared food of the present invention brews with the boiling water more than 70 ℃ of 1.1-1.3 times weight when edible, closes the lid, and be edible after 3-5 minute.The storage life of the convenient rice of prepared food of the present invention is 6 months.

Claims

1, the production technology of the convenient rice of a kind of prepared food, it is characterized in that: this production technology comprises the steps:

(2), boiling step: with the boiling in water of pretreated rice;

(3), steam step: the rice of boiling is cooked with steam;

2, the production technology of the convenient rice of prepared food according to claim 1, it is characterized in that: in the described step (5), the hot dry wind drying was divided into 2 stages, the phase I: with 60 ℃-90 ℃ the predrying 45-60 of hot dry wind minutes; Second stage: strengthen typing dry 45-60 minute with 100 ℃-120 ℃ hot dry winds; The hot dry wind high-temperature sterilization is 190 ℃-210 ℃ hot dry wind sterilizing-drying 5-10 seconds of usefulness.

3, the production technology of the convenient rice of prepared food according to claim 1 and 2, it is characterized in that: in the described step (1), carry out drying with 70 ℃-90 ℃ hot dry winds, be 20-40 minute drying time.

4, the production technology of the convenient rice of prepared food according to claim 3 is characterized in that: in the described step (2), and rice in 92 ℃-98 ℃ water boiling 4-6 minute.

5, the production technology of the convenient rice of prepared food according to claim 4, it is characterized in that: in the described step (3), rice steams 8-12 minute under normal pressure.

6, the production technology of the convenient rice of prepared food according to claim 5, it is characterized in that: in the described step (4), rice flooded 1-2 minute in the water below 15 ℃.

7, the production technology of the convenient rice of prepared food according to claim 6, it is characterized in that: in the described step (1), rice soaked 8-12 minute in 13 ℃ of-17 ℃ of water.

8, the production technology of the convenient rice of prepared food according to claim 7 is characterized in that: in described step (5) step, strengthen adding the starch of the 4-6% of its weight in the dried rice of typing at hot dry wind, and be mixed.

9, the production technology of the convenient rice of prepared food according to claim 8, it is characterized in that: in the described step (5), after the rice hot dry wind is strengthened the typing drying, adding rde bean is mixed, the weight of rde bean is the 9-11% of rice weight, described rde bean by the mill skin, in water, soak, boil, drying makes.