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Process for applying ultrahigh pressure technique to rice coloring

An ultra-high pressure technology and ultra-high pressure technology are applied in the process field of ultra-high pressure technology for rice coloring, which can solve the problems of hard texture of rice, poor coloring effect, and difficulty in permeating the rice, and achieve stable and uniform color and improve the quality of rice. Effect

Inactive Publication Date: 2016-03-16
寿县永昌米面股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the texture of rice is hard, whether it is soaked or infiltrated, it is difficult to penetrate into the inside of the rice, and the coloring effect is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A kind of ultra-high pressure technology is used for the process of rice coloring, specifically comprises the following steps:

[0015] (1) Husking: Husking with a hulling machine;

[0016] (2) Separation of rice and rice mixture: the husked brown rice is automatically transported to the gravity rice and rice separator for separation of rice and rice, and the clean brown rice is separated;

[0017] (3) Thickness classification: the clean brown rice is separated and screened by a thickness classifier to select broken grains and uncooked grains;

[0018] (4) Rice milling: cool and store the rice after thickness classification, and lightly mill the stored rice with a rice mill at 1°C;

[0019] (5) Grading: the rice after the rice milling is carried out rice grading arrangement through the white rice grading sieve;

[0020] (6) Coloring: the rice is soaked in a natural colorant solution, processed under 800Mpa ultra-high pressure for 10 minutes, and dried in a grain dryer...

Embodiment 2

[0023] A kind of ultra-high pressure technology is used for the process of rice coloring, specifically comprises the following steps:

[0024] (1) Husking: Husking with a hulling machine;

[0025] (2) Separation of rice and rice mixture: the husked brown rice is automatically transported to the gravity rice and rice separator for separation of rice and rice, and the clean brown rice is separated;

[0026] (3) Thickness classification: the clean brown rice is separated and screened by a thickness classifier to select broken grains and uncooked grains;

[0027] (4) Rice milling: cool and store the rice after thickness classification, and lightly mill the stored rice with a rice mill at a low temperature of 13°C;

[0028] (5) Grading: the rice after the rice milling is carried out rice grading arrangement through the white rice grading sieve;

[0029] (6) Coloring: the rice is soaked in a natural colorant solution, treated at 200Mpa ultra-high pressure for 40 minutes, and dried...

Embodiment 3

[0032] A kind of ultra-high pressure technology is used for the process of rice coloring, specifically comprises the following steps:

[0033] (1) Husking: Husking with a hulling machine;

[0034] (2) Separation of rice and rice mixture: the husked brown rice is automatically transported to the gravity rice and rice separator for separation of rice and rice, and the clean brown rice is separated;

[0035] (3) Thickness classification: the clean brown rice is separated and screened by a thickness classifier to select broken grains and uncooked grains;

[0036] (4) Rice milling: cool and store the rice after thickness classification, and lightly mill the stored rice with a rice mill at a low temperature of 5°C;

[0037] (5) Grading: the rice after the rice milling is carried out rice grading arrangement through the white rice grading sieve;

[0038] (6) Coloring: the rice is soaked in a natural colorant solution, treated with 400Mpa ultra-high pressure for 30 minutes, and drie...

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PUM

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Abstract

The invention discloses a process for applying the ultrahigh pressure technique to rice coloring. The process comprises the steps of grain milling, grain-impurity mixture separation, thickness separation, rice milling, grading, coloring and the like. The rice milling temperature is 1-13 DEG C. According to the step of coloring, rice is soaked in a coloring agent solution in the prior art and treated under the ultrahigh pressure of 200-800 Mpa for 10-40 min, and then the rice is dried through a grain dryer for 20-40 min. According to the process, the ultrahigh pressure technique is applied to rice coloring, so that coloring agents are made to permeate into the rice rapidly and uniformly; in addition, by means of the ultrahigh pressure treatment, the digestion characteristics and quality characteristics of the rice are improved.

Description

technical field [0001] The invention relates to a process for applying ultra-high pressure technology to rice coloring. Background technique [0002] Rice coloring can save steps such as polishing and color sorting, so that more vitamins and amino acids can be preserved, and the food is healthier and safer. However, the texture of rice is hard, whether it is soaked or infiltrated, it is difficult to penetrate into the inside of the rice, and the coloring effect is poor. Contents of the invention [0003] In order to solve the problems in the background technology, the present invention provides a rice coloring process using ultra-high pressure technology, so that the coloring agent can quickly and evenly penetrate into the rice. Not only that, UHP treatment improves the digestibility properties of the rice. The rice prepared from the rice treated by ultra-high pressure has uniform color, luster, no cracks, good taste, chewy and elastic, which shows that ultra-high pressu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02B5/02
CPCB02B5/02
Inventor 鲍广礼
Owner 寿县永昌米面股份有限公司
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