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A kind of processing method of remaining germ rice

A processing method and a technology for retaining germ rice, which are applied in the fields of grain degermination, grain finishing, agriculture, etc., can solve the problems of low embryo content in milled rice, and achieve the effects of simple process, easy implementation and waste reduction.

Active Publication Date: 2019-03-15
GUANGDONG JINYOU RICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method for processing rice with germ, aiming to solve the problem of low germ content in existing polished rice

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The processing method of the germ rice of the present embodiment is as follows:

[0014] Cleaning: select the full rice from the rice and remove impurities;

[0015] Hulling; the rice obtained by cleaning is subjected to conventional husking treatment, and then sprayed with rice oil of 1 / 50 weight, and mixed evenly;

[0016] Rice milling: Hulling the brown rice obtained at 20Pa / cm 2 A total of 4 grinding passes under wind pressure. The first grinding pass uses a corundum grain size of 36 on the surface of the emery roller shaft, the speed is 760 rpm, and the grinding takes 20 seconds; The particle size is 36, the speed is 730 rpm, and the grinding time is 20 seconds; the particle size of the diamond on the surface of the emery roller shaft used in the third grinding is 48, the speed is 680 rpm, and the grinding time is 20 seconds; The grain size of the emery on the surface of the emery roller shaft is 60, the rotating speed is 630 rpm, and the grinding time is 20s.

...

Embodiment 2

[0019] The processing method of the germ rice of the present embodiment is as follows:

[0020] Cleaning: select the full rice from the rice and remove impurities;

[0021] Hulling: the paddy rice obtained by cleaning is subjected to conventional husking treatment, and then sprayed with rice oil of 1 / 100 weight, and mixed evenly;

[0022] Rice milling: Hulling brown rice at 10Pa / cm 2 A total of 4 grinding passes were carried out under wind pressure. In the first grinding pass, the corundum grain size on the surface of the emery roller shaft was 36, the speed was 800 rpm, and the grinding was carried out for 30 seconds; The particle size is 36, the speed is 750 rpm, and the grinding time is 30 seconds; the particle size of the emery roller on the surface of the emery roller used in the third grinding is 48, the speed is 720 rpm, and the grinding time is 30 seconds; The corundum grain size on the surface of the emery roller shaft is 60, the rotating speed is 650 rpm, and the g...

Embodiment 3

[0025] The processing method of the germ rice of the present embodiment is as follows:

[0026] Cleaning: select the full rice from the rice and remove impurities;

[0027] Hulling; the rice obtained by cleaning is subjected to conventional husking treatment and then sprayed with rice oil of 1 / 75 weight, and mixed evenly;

[0028] Rice milling: Hulling the brown rice obtained at 15Pa / cm 2 A total of 4 passes were ground under wind pressure. The particle size of the corundum on the surface of the emery roller used in the first pass was 36, the rotational speed was 780 rpm, and the milling took 25 seconds; the corundum on the surface of the emery roller used in the second pass The particle size is 36, the speed is 740 rpm, and the grinding is 25; the particle size of the diamond on the surface of the emery roller shaft used in the third grinding is 48, the rotating speed is 700 rpm, and the grinding is 25s; the fourth grinding is used The corundum grain size on the surface of ...

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Abstract

The invention discloses a processing method of germ-remaining rice. The processing method comprises four steps of cleaning selection, decladding, rice milling and grading, wherein in the rice milling step, rice is milled for four times; during milling, the rotating speed of a sand roller is 630 to 800 r / m, and the air pressure is 10 to 20 Pa / cm<2>; and the rice milling duration at each time is 20 to 30 s. The germ remaining rate of the germ-remaining rice obtained by the processing method disclosed by the invention is greater than 80 percent, and the nutrition in the rice germs can be well remained, and the waste is reduced; and furthermore, the amount of broken rice produced in the rice milling process is reduced, and the rice germs can be kept more completely. The technology of the method is simple; the working efficiency is improved; and the method is easy to realize.

Description

technical field [0001] The invention relates to the technical field of rice processing, in particular to a method for processing rice with germ content of more than 80%. Background technique [0002] Rice is the most important and oldest food in the genus Oryza, and it originates in China. It is one of the main food crops in the world. China's rice sowing area accounts for 1 / 4 of the country's grain crops, while the output accounts for more than half. There are various ways to eat rice, such as rice, rice porridge, rice cakes, rice cakes, rice wine and so on. In addition to being edible, rice can also be used as industrial raw materials for wine making and sugar refining, and rice husk and rice straw can be used as feed. multiple usage. [0003] Germ-retained rice refers to rice with a germ retention rate of more than 80%. Embryo is an important part of rice, rich in fat, protein and vitamin B1, etc., with high nutritional value. But easy to fall off. In order to obta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02B3/04B02B5/02
CPCB02B3/04B02B5/02
Inventor 康小松刘波曾天山
Owner GUANGDONG JINYOU RICE
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