阅读说明：本技术 一种快熟珍珠粉圆及其制备方法 (Quick-cooked pearl rice ball and preparation method thereof ) 是由 卢建龙 韩雪琴 陈辉 胡聪 陈美华 于 2021-06-17 设计创作，主要内容包括：本发明公开了一种快熟珍珠粉圆,属于食品加工技术领域。本发明的快熟珍珠粉圆包括以下重量份的组分：木薯淀粉40～60份、变性淀粉1～30份、瓜尔胶0.1～1份、羧甲基纤维素钠0.1～2份和海藻酸钠0.01～1份。其制备方法为：将原料和水混合均匀后经粉碎得到滚珠粉；将水和所述滚珠粉逐次加入容器中,搅拌翻滚得生粉圆；生粉圆表面裹上羧甲基纤维素钠后加入沸水中煮熟,得熟制粉圆；将熟制粉圆用水清洗后干燥后裹上木薯淀粉,再进行干燥。本发明快熟珍珠粉圆克服了传统珍珠粉圆熟制时间长且易破碎的缺陷,产品只需煮制3-5分钟,焖制3-5分钟即可食用。本发明快熟珍珠粉圆的制备方法能有效防止熟制珍珠风干过程中的黏粘,可常温贮藏6个月,方便运输。(The invention discloses a quick-cooked pearl rice ball, and belongs to the technical field of food processing. The quick-cooked pearl powder ball comprises the following components in parts by weight: 40-60 parts of cassava starch, 1-30 parts of modified starch, 0.1-1 part of guar gum, 0.1-2 parts of sodium carboxymethyl cellulose and 0.01-1 part of sodium alginate. The preparation method comprises the following steps: uniformly mixing the raw materials and water, and crushing to obtain ball powder; adding water and the ball powder into a container successively, and stirring and rolling to obtain raw flour balls; wrapping sodium carboxymethylcellulose on the surface of the raw flour ball, adding into boiling water, and cooking to obtain cooked flour ball; and cleaning the cooked rice balls with water, drying, wrapping with cassava starch, and drying. The quick-cooked pearl ball overcomes the defects of long cooking time and easy breakage of the traditional pearl ball, and the product can be eaten only by boiling for 3-5 minutes and stewing for 3-5 minutes. The preparation method of the quick-cooked pearl balls can effectively prevent the cooked pearls from being sticky in the air drying process, can be stored at normal temperature for 6 months, and is convenient to transport.)

1. The preparation method of the quick-cooked pearl balls is characterized by comprising the following steps:

(1) uniformly mixing raw materials and water, and crushing to obtain the bead powder, wherein the raw materials comprise cassava starch, modified starch, guar gum, sodium carboxymethylcellulose and sodium alginate, and the weight ratio of the cassava starch to the modified starch to the guar gum to the sodium carboxymethylcellulose to the sodium alginate to the water is as follows: 40-60 parts of cassava starch, 1-30 parts of modified starch, 0.1-1 part of guar gum, 0.1-2 parts of sodium carboxymethyl cellulose, 0.01-1 part of sodium alginate and 25-50 parts of water;

(2) adding water and the ball powder into a container successively, and stirring and rolling to obtain raw flour balls with the diameter of 0.8-1.0 cm;

(3) wrapping the surface of the starch dough with sodium carboxymethyl cellulose to obtain starch dough wrapped with sodium carboxymethyl cellulose;

(4) adding the raw flour balls wrapped with the sodium carboxymethyl cellulose into boiling water, and cooking to obtain cooked flour balls;

(5) cleaning the cooked rice balls with water, and drying to obtain dried cooked rice balls, wherein the water content in the dried cooked rice balls is 60-65%;

(6) wrapping the surface of the dried cooked rice flour ball with cassava starch to obtain a cooked rice flour ball wrapped with cassava starch;

(7) and drying the cooked pearl powder balls wrapped with the cassava starch until the water content is 25-50%, thus obtaining the quick-cooked pearl powder balls.

2. The method for preparing the quick-cooked pearl jelly according to claim 1, wherein in the step (3), the addition amount of the sodium carboxymethyl cellulose is 0.1-1% of the mass of the raw pearl jelly.

3. The method for preparing the instant pearl jelly according to claim 1, wherein the step of sieving the raw pearl jelly before coating the surface of the raw pearl jelly with the sodium carboxymethyl cellulose in the step (3) is further included.

4. The method for preparing the quick-cooked pearl powder balls as claimed in claim 1, wherein in the step (4), the cooking is: and adding boiling water into the raw flour ball wrapped with the sodium carboxymethyl cellulose, stirring, boiling for 5-60 minutes after the raw flour ball wrapped with the sodium carboxymethyl cellulose floats, and then turning off the fire and stewing for 5-40 minutes.

5. The method for preparing the instant pearl balls according to claim 1, wherein in the step (5), the drying is: and cold air drying is adopted while vibration is carried out, and the temperature of the cold air drying is 5-15 ℃.

6. The method for preparing the quick-cooked pearl balls as claimed in claim 1, wherein in the step (6), the addition amount of the tapioca starch is 40-60% of the mass of the dried cooked pearl balls.

7. The method for preparing the quick-cooked pearl powder balls according to claim 1, wherein in the step (6), the step of coating cassava starch on the surface of the dried cooked pearl powder balls is as follows: and (3) conveying the dried cooked rice flour balls into a vibrating screen, and adding cassava starch while vibrating.

8. The method for preparing the instant pearl balls according to claim 1, wherein the drying temperature in the step (7) is 20-60 ℃.

9. A quick-cooked pearl ball prepared by the preparation method of the quick-cooked pearl ball as claimed in any one of claims 1 to 8.

Technical Field

The invention relates to a quick-cooked pearl rice ball and a preparation method thereof, belonging to the technical field of food processing.

Background

The pearl powder balls originate from Taiwan, and are a novel food ingredient with mellow appearance and high inherent nutritional value. The auxiliary material of the flour ball takes cassava starch as a main component and small materials and a small amount of stabilizing agent and the like as auxiliary components, and the flour ball is crystal transparent like agate after being heated and cooked, has smooth and elastic taste and chewy property, and is deeply loved by consumers. However, the conventional pearl pearls on the market are various, but most of the conventional pearl pearls have the following defects that (1) the pearl pearls are inconvenient to eat, generally take about 60 minutes, and are tedious and time-consuming to cook; (2) the standardization is not easy, the boiling process time is long, and the consistency of the pearl taste is not easy to ensure; (3) the packaging and transportation are not easy, the flour balls are easy to break in the packaging and transportation process, and the loss brings loss to operators. The process method of the invention greatly shortens the cooking time of the flour ball, and the prepared quick-cooked flour ball not only retains the nutritive value of raw materials such as cassava starch, but also has the requirements of simple operation, time saving, labor saving and money saving.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the quick-cooked pearl rice ball which is convenient to cook, easy to standardize and not easy to break and the preparation method thereof.

In order to achieve the purpose, the invention adopts the technical scheme that:

the preparation method of the quick-cooked pearl balls is characterized by comprising the following steps: (1) uniformly mixing raw materials and water, and crushing to obtain the bead powder, wherein the raw materials comprise cassava starch, modified starch, guar gum, sodium carboxymethylcellulose and sodium alginate, and the weight ratio of the cassava starch to the modified starch to the guar gum to the sodium carboxymethylcellulose to the sodium alginate to the water is as follows: 40-60 parts of cassava starch, 1-30 parts of modified starch, 0.1-1 part of guar gum, 0.1-2 parts of sodium carboxymethyl cellulose, 0.01-1 part of sodium alginate and 25-50 parts of water; (2) adding water and the ball powder into a container one by one, and stirring and rolling to obtain raw flour balls with the diameter of 0.8-1.0 cm; (3) wrapping the surface of the starch dough with sodium carboxymethyl cellulose to obtain starch dough wrapped with sodium carboxymethyl cellulose; (4) adding the raw flour balls wrapped with the sodium carboxymethyl cellulose into boiling water, and cooking to obtain cooked flour balls; (5) cleaning the cooked rice balls with water, and drying to obtain dried cooked rice balls, wherein the water content in the dried cooked rice balls is 60-65%; (6) wrapping the surface of the dried cooked rice flour ball with cassava starch to obtain a cooked rice flour ball wrapped with cassava starch; (7) and drying the cooked pearl powder balls wrapped with the cassava starch until the water content is 25-50%, thus obtaining the quick-cooked pearl powder balls. The modified starch has good anti-aging effect, and can keep good Q elasticity of the pearl balls in ice drinks without hard feeling. Guar gum, sodium carboxymethylcellulose and sodium alginate are used as thickening agents, so that pearls can be rolled and molded more easily, and the colloid and gelatinized starch can form a stable gel structure, so that the aging of the starch is delayed to a certain extent, and the application of the pearl balls in ice drinks, ice cream and the like is expanded. The quick-cooked pearl ball overcomes the defects of long cooking time and easy breakage of the traditional pearl ball, is convenient to cook and easy to standardize, and is not easy to break.

In addition to the specific requirements of the components, the quick-cooked pearl powder ball can be added or used with other auxiliary materials within the scope of not damaging the effect of the invention, the auxiliary materials can be preservatives, spices, coloring agents and the like, and the technicians in the field can select the common types and contents according to the conventional standard, for example, the preservatives can be sodium dehydroacetate, the spices can be caramel essence, and the coloring agents can be caramel color.

As a preferred embodiment of the preparation method of the instant pearl powder balls, in the step (3), a step of sieving the raw pearl powder balls is further included before the surfaces of the raw pearl powder balls are wrapped with sodium carboxymethyl cellulose. The flour balls with uniform size can be obtained by sieving treatment.

As a preferred embodiment of the preparation method of the instant pearl powder ball, in the step (4), the cooking is as follows: and adding boiling water into the raw flour ball wrapped with the sodium carboxymethyl cellulose, stirring, boiling for 5-60 minutes after the raw flour ball wrapped with the sodium carboxymethyl cellulose floats, and then turning off the fire and stewing for 5-40 minutes.

As a preferred embodiment of the preparation method of the instant pearl powder ball, in the step (5), the drying is: and cold air drying is adopted while vibration is carried out, and the temperature of the cold air drying is 5-15 ℃. This drying mode can prevent the sticking that takes place in the drying process better.

As a preferred embodiment of the preparation method of the quick-cooked pearl powder ball, in the step (6), the coating of tapioca starch on the surface of the dried cooked pearl powder ball is as follows: and (3) conveying the dried cooked rice flour balls into a vibrating screen, and adding cassava starch while vibrating. The powder wrapping mode can achieve uniform powder wrapping.

As a preferred embodiment of the preparation method of the quick-cooked pearl powder ball, in the step (6), the addition amount of the cassava starch is 40-60% of the mass of the dried cooked pearl powder ball. The cassava starch is added in an amount capable of dispersing the round powder particles, so that the particles are not sticky.

As a preferred embodiment of the preparation method of the quick-cooked pearl powder ball, in the step (7), the drying temperature is 20-60 ℃.

According to the preparation method of the quick-cooked pearl powder balls, the carboxymethyl cellulose sodium is coated on the surfaces of the raw powder balls in the step (3), so that mutual adhesion and conglobation of the cooked pearl powder balls in the air drying process in the step (5) can be obviously improved, the wire drawing condition generated when the pearl powder balls are separated from each other in the cassava starch coating stage in the step (6) can be reduced, the products can be uniformly coated with the powder in the powder coating stage, and the good appearance of the products is guaranteed. The surface of the starch dough ball is wrapped with the sodium carboxymethyl cellulose, and the starch dough ball can be wrapped with the starch by rolling in a ball pot for 10-40 min. In the step (5), the water content of the dried cooked flour ball is controlled to be 60-65% so as to ensure that a thin layer of cassava starch can be uniformly coated on the surface of the product when the cassava starch is coated in the step (6). In the step (7), the cooked tapioca balls wrapped with cassava starch are dried until the water content is 25-50%, so that the water content of the whole tapioca balls can be reduced, the product particles are prevented from being adhered together again, the growth of microorganisms can be delayed, and the purpose of prolonging the quality guarantee period of the product is achieved. As the preferable embodiment of the preparation method of the quick-cooked pearl powder balls, the mass percent of the sodium carboxymethyl cellulose added in the step (4) of the preparation method of the quick-cooked pearl powder balls is 0.1-1%. The use of the sodium carboxymethylcellulose can be better played by adopting the addition amount of the sodium carboxymethylcellulose.

The invention also provides the quick-cooked pearl balls, and the quick-cooked pearl balls are prepared by the preparation method of the quick-cooked pearl balls.

Compared with the prior art, the invention has the beneficial effects that: the invention provides quick-cooked pearl balls, which overcome the defects of long cooking time and easiness in crushing of the traditional pearl balls, are convenient to cook and easy to standardize and are not easy to crush. The invention also provides a preparation method of the quick-cooked pearl balls, which can effectively prevent the cooked pearls from being sticky in the air drying process, can be stored at normal temperature for 6 months and is convenient to transport.

Detailed Description

To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.

Example 1

One embodiment of the preparation method of the quick-cooked pearl glue ball comprises the following steps:

(1) weighing: weighing the following raw materials in parts by weight according to the formula: 50 parts of cassava starch, 10 parts of modified starch, 0.5 part of guar gum, 0.2 part of sodium carboxymethylcellulose, 0.1 part of sodium alginate, 2 parts of caramel, 0.1 part of sodium dehydroacetate, 0.2 part of caramel essence and 36.9 parts of water;

(2) preparing ball powder: uniformly mixing cassava starch, modified starch, guar gum, sodium carboxymethylcellulose and sodium alginate, dissolving the rest raw materials with water to obtain a water material, uniformly mixing the water material and the mixed powder, and crushing the mixture by a crusher to obtain ball powder;

(3) molding the rice flour balls: feeding a small amount of the ball powder into a ball pot for forming the flour balls, and adding water and the ball powder while rolling to bond the ball powder and the water successively to form raw flour balls with the diameter of 0.8-1.0 cm;

(4) sieving and polishing: sieving the raw flour balls by a vibrating screen, removing the flour balls with too large or too small diameters, putting the raw flour balls with the particle size of 0.8-1.0cm into a ball pot, adding 0.5% of sodium carboxymethyl cellulose to wrap the surface of the raw flour balls with the sodium carboxymethyl cellulose, and obtaining the raw flour balls wrapped with the sodium carboxymethyl cellulose;

(5) curing: adding the raw flour balls wrapped with the sodium carboxymethylcellulose into boiling water, continuously stirring, starting timing after the raw flour balls float, boiling for 10 minutes, turning off the fire, stewing for 10 minutes, and obtaining cooked flour balls;

(6) draining and air drying: washing the cooked flour balls with water, pumping the flour balls into a vibration draining machine after washing twice, and removing part of water on the surface; feeding the cooked rice flour balls into a vibration draining air dryer, blowing pearls by using cold air at 10 ℃ while vibrating, rapidly reducing the moisture content of the surfaces of the cooked rice flour balls by means of vibration and wind power, and air-drying until the moisture content of the cooked rice flour balls is 62% to obtain dried cooked rice flour balls;

(7) wrapping powder: sending the dried cooked rice flour balls into a vibrating screen, adding cassava starch while vibrating, dispersing the cooked rice flour balls into single grains, coating a layer of uniform cassava starch on the surface of the single grains to obtain cooked rice flour balls coated with the cassava starch, wherein the adding amount of the cassava starch is 50% of the mass of the dried cooked rice flour balls;

(8) and (3) drying, namely putting the cooked pearl balls wrapped with the cassava starch into a drying box for drying to obtain the quick-cooked pearl balls, wherein the drying temperature is 40 ℃, and the drying is carried out until the water content of the pearl balls is 35%.

Example 2

One embodiment of the preparation method of the quick-cooked pearl glue ball comprises the following steps:

(1) weighing: weighing the following raw materials in parts by weight according to the formula: 40 parts of cassava starch, 10 parts of modified starch, 1 part of guar gum, 1 part of sodium carboxymethylcellulose, 1 part of sodium alginate, 5 parts of caramel color, 0.1 part of sodium dehydroacetate, 0.1 part of caramel essence and 41.8 parts of water;

(2) preparing ball powder: uniformly mixing cassava starch, modified starch, guar gum, sodium carboxymethylcellulose and sodium alginate, dissolving the rest raw materials with water to obtain a water material, uniformly mixing the water material and the mixed powder, and crushing the mixture by a crusher to obtain ball powder;

(3) molding the rice flour balls: feeding a small amount of the ball powder into a ball pot for forming the flour balls, and adding water and the ball powder while rolling to bond the ball powder and the water successively to form raw flour balls with the diameter of 0.8-1.0 cm;

(4) sieving and polishing: sieving the raw flour balls by a vibrating screen, removing the flour balls with too large or too small diameters, putting the raw flour balls with the particle size of 0.8-1.0cm into a ball pot, adding 0.1% of sodium carboxymethyl cellulose to wrap the surface of the raw flour balls with the sodium carboxymethyl cellulose, and obtaining the raw flour balls wrapped with the sodium carboxymethyl cellulose;

(5) curing: adding the raw flour balls wrapped with the sodium carboxymethylcellulose into boiling water, continuously stirring, starting timing after the raw flour balls float, boiling for 10 minutes, turning off the fire, stewing for 10 minutes, and obtaining cooked flour balls;

(6) draining and air drying: washing the cooked flour balls with water, pumping the flour balls into a vibration draining machine after washing twice, and removing part of water on the surface; feeding the cooked rice flour balls into a vibration draining air dryer, blowing pearls by using cold air at 10 ℃ while vibrating, rapidly reducing the moisture content of the surfaces of the cooked rice flour balls by means of vibration and wind power, and air-drying until the moisture content of the cooked rice flour balls is 60% to obtain dried cooked rice flour balls;

(7) wrapping powder: sending the dried cooked rice flour balls into a vibrating screen, adding cassava starch while vibrating, dispersing the cooked rice flour balls into single grains, coating a layer of uniform cassava starch on the surface of the single grains to obtain cooked rice flour balls coated with the cassava starch, wherein the adding amount of the cassava starch is 40% of the mass of the dried cooked rice flour balls;

(8) and (3) drying, namely putting the cooked pearl balls wrapped with the cassava starch into a drying box for drying to obtain the quick-cooked pearl balls, wherein the drying temperature is 20 ℃, and the drying is carried out until the water content of the pearl balls is 50%.

Example 3

One embodiment of the preparation method of the quick-cooked pearl glue ball comprises the following steps:

(1) weighing: weighing the following raw materials in parts by weight according to the formula: 60 parts of cassava starch, 5 parts of modified starch, 0.1 part of guar gum, 2 parts of sodium carboxymethylcellulose, 0.01 part of sodium alginate, 0.01 part of caramel color, 0.01 part of sodium dehydroacetate, 0.5 part of caramel essence and 32.37 parts of water;

(2) preparing ball powder: uniformly mixing cassava starch, modified starch, guar gum, sodium carboxymethylcellulose and sodium alginate, dissolving the rest raw materials with water to obtain a water material, uniformly mixing the water material and the mixed powder, and crushing the mixture by a crusher to obtain ball powder;

(3) molding the rice flour balls: feeding a small amount of the ball powder into a ball pot for forming the flour balls, and adding water and the ball powder while rolling to bond the ball powder and the water successively to form raw flour balls with the diameter of 0.8-1.0 cm;

(4) sieving and polishing: sieving the starch balls by a vibrating screen, removing the starch balls with too large or too small diameters, putting the starch balls with the particle size of 0.8-1.0cm into a ball pot, adding 1% of sodium carboxymethyl cellulose to wrap the surface of the starch balls with sodium carboxymethyl cellulose, and obtaining the starch balls wrapped with sodium carboxymethyl cellulose;

(5) curing: adding the raw flour balls wrapped with the sodium carboxymethylcellulose into boiling water, continuously stirring, starting timing after the raw flour balls float, boiling for 10 minutes, turning off the fire, stewing for 10 minutes, and obtaining cooked flour balls;

(6) draining and air drying: washing the cooked flour balls with water, pumping the flour balls into a vibration draining machine after washing twice, and removing part of water on the surface; feeding the cooked rice flour balls into a vibration and water draining air dryer, blowing pearls by using cold air at 10 ℃ while vibrating, rapidly reducing the moisture content on the surfaces of the cooked rice flour balls by means of vibration and wind power, and air-drying until the moisture content of the cooked rice flour balls is 65% to obtain dried cooked rice flour balls;

(7) wrapping powder: sending the dried cooked rice flour balls into a vibrating screen, adding cassava starch while vibrating, dispersing the cooked rice flour balls into single grains, coating a layer of uniform cassava starch on the surface of the single grains to obtain cooked rice flour balls coated with the cassava starch, wherein the adding amount of the cassava starch is 60% of the mass of the dried cooked rice flour balls;

(8) and (3) drying, namely putting the cooked pearl balls wrapped with the cassava starch into a drying box for drying to obtain the quick-cooked pearl balls, wherein the drying temperature is 60 ℃, and the drying is carried out until the water content of the pearl balls is 25%.

Example 4

One embodiment of the preparation method of the quick-cooked pearl glue ball comprises the following steps:

(1) weighing: weighing the following raw materials in parts by weight according to the formula: 50 parts of cassava starch, 1 part of modified starch, 0.5 part of guar gum, 0.2 part of sodium carboxymethylcellulose, 0.1 part of sodium alginate, 2 parts of caramel, 0.1 part of sodium dehydroacetate, 0.2 part of caramel essence and 45.9 parts of water;

(2) preparing ball powder: uniformly mixing cassava starch, modified starch, guar gum, sodium carboxymethylcellulose and sodium alginate, dissolving the rest raw materials with water to obtain a water material, uniformly mixing the water material and the mixed powder, and crushing the mixture by a crusher to obtain ball powder;

(3) molding the rice flour balls: feeding a small amount of the ball powder into a ball pot for forming the flour balls, and adding water and the ball powder while rolling to bond the ball powder and the water successively to form raw flour balls with the diameter of 0.8-1.0 cm;

(4) sieving and polishing: sieving the raw flour balls by a vibrating screen, removing the flour balls with too large or too small diameters, putting the raw flour balls with the particle size of 0.8-1.0cm into a ball pot, adding 0.5% of sodium carboxymethyl cellulose to wrap the surface of the raw flour balls with the sodium carboxymethyl cellulose, and obtaining the raw flour balls wrapped with the sodium carboxymethyl cellulose;

(5) curing: adding the raw flour balls wrapped with the sodium carboxymethylcellulose into boiling water, continuously stirring, starting timing after the raw flour balls float, boiling for 10 minutes, turning off the fire, stewing for 10 minutes, and obtaining cooked flour balls;

(6) draining and air drying: washing the cooked flour balls with water, pumping the flour balls into a vibration draining machine after washing twice, and removing part of water on the surface; feeding the cooked rice flour balls into a vibration and draining air dryer, blowing pearls by cold air at 5 ℃ while vibrating, rapidly reducing the moisture content of the surfaces of the cooked rice flour balls by means of vibration and wind power, and air-drying until the moisture content of the cooked rice flour balls is 62% to obtain dried cooked rice flour balls;

(7) wrapping powder: sending the dried cooked rice flour balls into a vibrating screen, adding cassava starch while vibrating, dispersing the cooked rice flour balls into single grains, coating a layer of uniform cassava starch on the surface of the single grains to obtain cooked rice flour balls coated with the cassava starch, wherein the adding amount of the cassava starch is 50% of the mass of the dried cooked rice flour balls;

(8) and (3) drying, namely putting the cooked pearl balls wrapped with the cassava starch into a drying box for drying to obtain the quick-cooked pearl balls, wherein the drying temperature is 40 ℃, and the drying is carried out until the water content of the pearl balls is 35%.

Example 5

One embodiment of the preparation method of the quick-cooked pearl glue ball comprises the following steps:

(1) weighing: weighing the following raw materials in parts by weight according to the formula: 40 parts of cassava starch, 30 parts of modified starch, 0.5 part of guar gum, 0.2 part of sodium carboxymethylcellulose, 0.1 part of sodium alginate, 3 parts of caramel, 0.1 part of sodium dehydroacetate, 0.1 part of caramel essence and 26 parts of water;

(2) preparing ball powder: uniformly mixing cassava starch, modified starch, guar gum, sodium carboxymethylcellulose and sodium alginate, dissolving the rest raw materials with water to obtain a water material, uniformly mixing the water material and the mixed powder, and crushing the mixture by a crusher to obtain ball powder;

(3) molding the rice flour balls: feeding a small amount of the ball powder into a ball pot for forming the flour balls, and adding water and the ball powder while rolling to bond the ball powder and the water successively to form raw flour balls with the diameter of 0.8-1.0 cm;

(4) sieving and polishing: sieving the raw flour balls by a vibrating screen, removing the flour balls with too large or too small diameters, putting the raw flour balls with the particle size of 0.8-1.0cm into a ball pot, adding 0.5% of sodium carboxymethyl cellulose to wrap the surface of the raw flour balls with the sodium carboxymethyl cellulose, and obtaining the raw flour balls wrapped with the sodium carboxymethyl cellulose;

(5) curing: adding the raw flour balls wrapped with the sodium carboxymethylcellulose into boiling water, continuously stirring, starting timing after the raw flour balls float, boiling for 10 minutes, turning off the fire, stewing for 10 minutes, and obtaining cooked flour balls;

(6) draining and air drying: washing the cooked flour balls with water, pumping the flour balls into a vibration draining machine after washing twice, and removing part of water on the surface; feeding the cooked rice flour balls into a vibration and draining air dryer, blowing pearls by adopting cold air at 15 ℃ while vibrating, rapidly reducing the moisture content on the surfaces of the cooked rice flour balls by virtue of vibration and wind power, and air-drying until the moisture content of the cooked rice flour balls is 62% to obtain dried cooked rice flour balls;

(7) wrapping powder: sending the dried cooked rice flour balls into a vibrating screen, adding cassava starch while vibrating, dispersing the cooked rice flour balls into single grains, coating a layer of uniform cassava starch on the surface of the single grains to obtain cooked rice flour balls coated with the cassava starch, wherein the adding amount of the cassava starch is 50% of the mass of the dried cooked rice flour balls;

(8) and (3) drying, namely putting the cooked pearl balls wrapped with the cassava starch into a drying box for drying to obtain the quick-cooked pearl balls, wherein the drying temperature is 40 ℃, and the drying is carried out until the water content of the pearl balls is 35%.

Comparative example 1

This comparative example differs from example 1 only in that step (4) is not included, and specifically includes the following steps:

(1) weighing: weighing the following raw materials in parts by weight according to the formula: 50 parts of cassava starch, 10 parts of modified starch, 0.5 part of guar gum, 0.2 part of sodium carboxymethylcellulose, 0.1 part of sodium alginate, 2 parts of caramel, 0.1 part of sodium dehydroacetate, 0.2 part of caramel essence and 36.9 parts of water;

(2) preparing ball powder: uniformly mixing cassava starch, modified starch, guar gum, sodium carboxymethylcellulose and sodium alginate, dissolving the rest raw materials with water to obtain a water material, uniformly mixing the water material and the mixed powder, and crushing the mixture by a crusher to obtain ball powder;

(3) molding the rice flour balls: feeding a small amount of the ball powder into a ball pot for forming the flour balls, and adding water and the ball powder while rolling to bond the ball powder and the water successively to form raw flour balls with the diameter of 0.8-1.0 cm;

(4) curing: adding the raw flour balls into boiling water, continuously stirring, timing after the raw flour balls float, boiling for 10 minutes, and then turning off the fire for stewing for 10 minutes to obtain cooked flour balls;

(5) draining and air drying: washing the cooked flour balls with water, pumping the flour balls into a vibration draining machine after washing twice, and removing part of water on the surface; feeding the cooked rice flour balls into a vibration draining air dryer, blowing pearls by using cold air at 10 ℃ while vibrating, rapidly reducing the moisture content of the surfaces of the cooked rice flour balls by means of vibration and wind power, and air-drying until the moisture content of the cooked rice flour balls is 60% to obtain dried cooked rice flour balls;

(6) wrapping powder: sending the dried cooked rice flour balls into a vibrating screen, adding cassava starch while vibrating, dispersing the cooked rice flour balls into single grains, coating a layer of uniform cassava starch on the surface of the single grains to obtain cooked rice flour balls coated with the cassava starch, wherein the adding amount of the cassava starch is 50% of the mass of the dried cooked rice flour balls;

(7) and (3) drying, namely putting the cooked pearl balls wrapped with the cassava starch into a drying box for drying to obtain the quick-cooked pearl balls, wherein the drying temperature is 20 ℃, and the drying is carried out until the water content of the pearl balls is 25%.

Comparative example 2

This comparative example differs from example 1 only in that the moisture content of the dried cooked rice balls in step (5) is different, and in this comparative example, the moisture content of the dried cooked rice balls is 55%.

Comparative example 3

This comparative example differs from example 1 only in that the moisture content of the dried cooked rice balls in step (5) is different, and in this comparative example, the moisture content of the dried cooked rice balls is 70%.

Comparative example 4

The comparative example differs from example 1 only in the amount of tapioca starch added in step (6), which is 30% by mass of the dried cooked rice flour dough.

Comparative example 5

The comparative example differs from example 1 only in the amount of tapioca starch added in step (6), which is 70% of the mass of the dried cooked rice flour ball.

Comparative example 6

This comparative example differs from example 1 only in that step (7) is not included.

Comparative example 7

The comparative example differs from example 1 only in that the water content of the dried instant pearl balls in step (8) is different, and in this comparative example, the water content of the dried instant pearl balls is 20%.

Comparative example 8

The comparative example differs from example 1 only in that the water content of the dried instant pearl pearls in step (8) is different, and in this comparative example, the water content of the dried instant pearl pearls is 55%.

Examples of effects

Sensory evaluation was performed on the pearl balls prepared in examples 1 to 5 and comparative examples 1 to 8, and specific data are shown in table 1. The scoring criteria were: the color (uneven: 2 min, -1 min, generally: 0min, even: 1 min, 2 min); smell (bad smell: 2 points, -1 point, generally: 0 point, natural smell: 1 point, 2 points); the overall shape (deformation, breakage is more: 2 min, -1 min, general: 0min, uniform: 1 min, 2 min); the surface state (rough: -2 min, -1 min, generally: 0min, smooth and fine: 1 min, 2 min); the degree of stickiness (severe stickiness: score-2, -score-1; generally score-0; no stickiness: score-1, score-2); elastic mouthfeel (soft but not chewy: 1 min, 2 min; generally: 0 min; Q elastic with chewy).

TABLE 1

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the true spirit and scope of the present invention.