CN106179561A - A kind of processing method of rice with remained germ - Google Patents

A kind of processing method of rice with remained germ Download PDF

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Publication number
CN106179561A
CN106179561A CN201610532062.6A CN201610532062A CN106179561A CN 106179561 A CN106179561 A CN 106179561A CN 201610532062 A CN201610532062 A CN 201610532062A CN 106179561 A CN106179561 A CN 106179561A
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CN
China
Prior art keywords
rice
processing method
roll shaft
remained germ
revs
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Granted
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CN201610532062.6A
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Chinese (zh)
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CN106179561B (en
Inventor
康小松
刘波
曾天山
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Guangdong Jin You Meter Industry Ltd Co
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Guangdong Jin You Meter Industry Ltd Co
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Priority to CN201610532062.6A priority Critical patent/CN106179561B/en
Publication of CN106179561A publication Critical patent/CN106179561A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B3/00Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
    • B02B3/04Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B5/00Grain treatment not otherwise provided for
    • B02B5/02Combined processes

Abstract

The processing method that the invention discloses a kind of rice with remained germ.Including cleaning, shell, husk rice, four steps of classification, wherein husk rice step mills 4 roads altogether, described in when milling sand roll shaft rotating speed be 630~800 revs/min, blast be 10~20Pa/cm2, the per pass husk rice time is 20~30s.Nutrition in rice germ, higher than 80%, can be effectively maintained by the rate of kernels with remained germ of the rice with remained germ obtained through the processing method of the present invention, reduces waste.And reduce the amount of cracking rice produced in rice milling process, and make the holding of rice germ more complete.This method technique is simple, improves work efficiency, it is easy to accomplish.

Description

A kind of processing method of rice with remained germ
Technical field
The present invention relates to a kind of rice processing technique field, a kind of rice germ content reaches the rice with remained germ of more than 80% Processing method.
Background technology
Oryza sativa L., is the main the longest one as grain in Oryza, originates in China.It is that world's main food is made One of thing.Rice in China sowing face accounts for the 1/4 of whole nation cereal crops, and yield then accounts for more than half.The eating method of rice is many Plant various, have rice, congee, rice cake, rice cake, rice wine etc..Oryza sativa L. is in addition to edible, it is also possible to makes wine, refine sugar and make the raw material of industry, Rice husk, rice straw, can be as feedstuff.Of many uses.
Rice with remained germ be rate of kernels with remained germ more than 80 percent rice.Embryo is the important component part of rice, containing abundant Fat, protein and vitamin B1 etc., be of high nutritive value.But easily come off.In order to obtain polished rice, rolloff repeatedly, removing While bran skin, also rice germ is eliminated the most therewith, so can lose a lot of nutrition.
Summary of the invention
The present invention provides the processing method of a kind of rice with remained germ, it is therefore an objective to solve the problem that existing polished rice amount Han embryo is low.For reaching To above-mentioned purpose, technical scheme provided by the present invention is: the processing method of a kind of rice with remained germ, including cleaning, shell, husk rice, Four steps of classification, wherein husk rice step mills 4 roads altogether, described in when milling sand roll shaft rotating speed be 630~800 revs/min, blast be 10~20Pa/cm2, the per pass husk rice time is 20~30s.
Further, when first is milled, described sand roll shaft rotating speed is 760~800 revs/min;Described sand when second is milled Roll shaft rotating speed is 730~750 revs/min;3rd road when milling described sand roll shaft rotating speed be 680~720 revs/min;Mill in 4th road Shi Suoshu sand roll shaft rotating speed is 630~650 revs/min.
Further, the corundum granularity on described sand roll shaft surface is 36~60.
Further, described in clean step be that rice is selected full Oryza glutinosa, and reject impurity.
Further, described shelling step is to spray 1/50~1/100 by cleaning after the Oryza glutinosa obtained carries out heat treatment The Rice oil of weight, and mix homogeneously.
Further, described classification step for will complete 4 roads roll rear gained rice with remained germ feeding classifying screen in carry out classification Screening processes.
In sum, the invention have the advantage that the rate of kernels with remained germ of gained rice with remained germ, can by the nutrition in rice germ very higher than 80% Good remains, and reduces waste.Spray Rice oil before husk rice and can reduce the amount of cracking rice produced in rice milling process, and make rice The holding of embryo is more complete.This method technique is simple, improves work efficiency, it is easy to accomplish.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail, but present disclosure is not limited to be lifted Embodiment.
Embodiment 1
The processing method of the rice with remained germ of the present embodiment is as follows:
Clean: rice is selected full Oryza glutinosa, and rejects impurity;
Shelling;The Rice oil spraying 1/50 weight after the Oryza glutinosa obtained carries out conventional heat treatment will be cleaned, and mix all Even;
Husk rice: brown rice shelling obtained is at 20Pa/cm2Mill altogether under blast 4 roads, sand roll shaft used when first is milled The corundum granularity on surface is 36, and rotating speed is 760 revs/min, and mill 20s;The Buddha's warrior attendant on sand roll shaft surface used when second is milled Fineness of sand is 36, and rotating speed is 730 revs/min, and mill 20s;3rd road when milling the corundum granularity on sand roll shaft surface used be 48, Rotating speed is 680 revs/min, and mill 20s;4th road when milling the corundum granularity on sand roll shaft surface used be 60, rotating speed is 630 Rev/min, mill 20s.
Classification: 4 roads will be completed and roll rear gained rice with remained germ and send in classifying screen and carry out conventional hierarchical screening process.Gained stays The rate of kernels with remained germ of embryo rice is 85%, and broken rice rate is less than 5%.
Embodiment 2
The processing method of the rice with remained germ of the present embodiment is as follows:
Clean: rice is selected full Oryza glutinosa, and rejects impurity;
Shelling;The Rice oil spraying 1/100 weight after the Oryza glutinosa obtained carries out conventional heat treatment will be cleaned, and mix all Even;
Husk rice: brown rice shelling obtained is at 10Pa/cm2Mill altogether under blast 4 roads, sand roll shaft used when first is milled The corundum granularity on surface is 36, and rotating speed is 800 revs/min, and mill 30s;The Buddha's warrior attendant on sand roll shaft surface used when second is milled Fineness of sand is 36, and rotating speed is 750 revs/min, and mill 30s;3rd road when milling the corundum granularity on sand roll shaft surface used be 48, Rotating speed is 720 revs/min, and mill 30s;4th road when milling the corundum granularity on sand roll shaft surface used be 60, rotating speed is 650 Rev/min, mill 30s.
Classification: 4 roads will be completed and roll rear gained rice with remained germ and send in classifying screen and carry out conventional hierarchical screening process.Gained stays The rate of kernels with remained germ of embryo rice is 88%, and broken rice rate is less than 5%.
Embodiment 3
The processing method of the rice with remained germ of the present embodiment is as follows:
Clean: rice is selected full Oryza glutinosa, and rejects impurity;
Shelling;The Rice oil spraying 1/75 weight after the Oryza glutinosa obtained carries out conventional heat treatment will be cleaned, and mix all Even;
Husk rice: brown rice shelling obtained is at 15Pa/cm2Mill altogether under blast 4 roads, sand roll shaft used when first is milled The corundum granularity on surface is 36, and rotating speed is 780 revs/min, and mill 25s;The Buddha's warrior attendant on sand roll shaft surface used when second is milled Fineness of sand is 36, and rotating speed is 740 revs/min, mills 25;3rd road when milling the corundum granularity on sand roll shaft surface used be 48, Rotating speed is 700 revs/min, and mill 25s;4th road when milling the corundum granularity on sand roll shaft surface used be 60, rotating speed is 640 Rev/min, mill 25s.
Classification: 4 roads will be completed and roll rear gained rice with remained germ and send in classifying screen and carry out conventional hierarchical screening process.Gained stays The rate of kernels with remained germ of embryo rice is 89%, and broken rice rate is less than 5%.
Embodiment 4 (comparative example)
The processing method of the rice with remained germ of the present embodiment is as follows:
Clean: rice is selected full Oryza glutinosa, and rejects impurity;
Shelling;To clean after the Oryza glutinosa obtained carries out conventional heat treatment;
Husk rice: brown rice shelling obtained is at 15Pa/cm2Mill altogether under blast 4 roads, sand roll shaft used when first is milled The corundum granularity on surface is 36, and rotating speed is 780 revs/min, and mill 25s;The Buddha's warrior attendant on sand roll shaft surface used when second is milled Fineness of sand is 36, and rotating speed is 740 revs/min, mills 25;3rd road when milling the corundum granularity on sand roll shaft surface used be 48, Rotating speed is 700 revs/min, and mill 25s;4th road when milling the corundum granularity on sand roll shaft surface used be 60, rotating speed is 640 Rev/min, mill 25s.
Classification: 4 roads will be completed and roll rear gained rice with remained germ and send in classifying screen and carry out conventional hierarchical screening process.Gained stays The rate of kernels with remained germ of embryo rice is 82%, and broken rice rate is 10%.
Should be understood that this embodiment is merely to illustrate the present invention rather than limits the scope of the present invention.Furthermore, it is to be understood that After having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, these Within the equivalent form of value falls within the protection domain that the application appended claims is limited equally.

Claims (6)

1. the processing method of a rice with remained germ, it is characterised in that: include cleaning, shell, husk rice, four steps of classification, wherein grind Rice step is milled 4 roads altogether, described in when milling sand roll shaft rotating speed be 630~800 revs/min, blast be 10~20Pa/cm2, per pass grinds The rice time is 20~30s.
The processing method of rice with remained germ the most according to claim 1, it is characterised in that: when first is milled, described sand roll shaft turns Speed is 760~800 revs/min;When second is milled, described sand roll shaft rotating speed is 730~750 revs/min;Described in time milling in 3rd road Sand roll shaft rotating speed is 680~720 revs/min;4th road when milling described sand roll shaft rotating speed be 630~650 revs/min.
The processing method of rice with remained germ the most according to claim 1, it is characterised in that: the emery grit on described sand roll shaft surface Degree is 36~60.
The processing method of rice with remained germ the most according to claim 1, it is characterised in that clean step described in: full for being selected by rice Full Oryza glutinosa, and reject impurity.
The processing method of rice with remained germ the most according to claim 1, it is characterised in that: described shelling step obtains for cleaning Oryza glutinosa carry out spraying after heat treatment the Rice oil of 1/50~1/100 weight, and mix homogeneously.
The processing method of rice with remained germ the most according to claim 1, it is characterised in that: described classification step will be for will complete 4 roads Roll in rear gained rice with remained germ feeding classifying screen and carry out gradation sizing process.
CN201610532062.6A 2016-07-07 2016-07-07 A kind of processing method of rice with remained germ Active CN106179561B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107410847A (en) * 2017-04-18 2017-12-01 华中农业大学 A kind of high GABA rice product and its processing method
CN109012877A (en) * 2018-06-05 2018-12-18 上海交通大学 The method for improving slowly digestible starch content in rice flour
CN109012806A (en) * 2018-07-23 2018-12-18 上海交通大学 Retain the method for polyphenol content in rice milling process
CN111282621A (en) * 2020-02-28 2020-06-16 武汉轻工大学 Grading processing method of long-grain rice semi-finished product and long-grain rice processing method
CN113713884A (en) * 2021-08-31 2021-11-30 上海九穗农业科技有限公司 Whitening method for germ-remaining rice

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CN104028328A (en) * 2014-06-12 2014-09-10 贵州凤冈县神农米业有限公司 Processing method allowing lower broken rice rate
CN104174454A (en) * 2014-07-21 2014-12-03 贵州省黎平县侗乡米业有限公司 Polished rice processing method with rice embryo content more than 80%
CN105642388A (en) * 2015-12-30 2016-06-08 国家粳稻工程技术研究中心 Processing method for increasing rice remained germ rate

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CN104028328A (en) * 2014-06-12 2014-09-10 贵州凤冈县神农米业有限公司 Processing method allowing lower broken rice rate
CN104174454A (en) * 2014-07-21 2014-12-03 贵州省黎平县侗乡米业有限公司 Polished rice processing method with rice embryo content more than 80%
CN105642388A (en) * 2015-12-30 2016-06-08 国家粳稻工程技术研究中心 Processing method for increasing rice remained germ rate

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107410847A (en) * 2017-04-18 2017-12-01 华中农业大学 A kind of high GABA rice product and its processing method
CN107410847B (en) * 2017-04-18 2020-07-03 华中农业大学 High GABA rice product and processing method thereof
CN109012877A (en) * 2018-06-05 2018-12-18 上海交通大学 The method for improving slowly digestible starch content in rice flour
CN109012806A (en) * 2018-07-23 2018-12-18 上海交通大学 Retain the method for polyphenol content in rice milling process
CN111282621A (en) * 2020-02-28 2020-06-16 武汉轻工大学 Grading processing method of long-grain rice semi-finished product and long-grain rice processing method
CN111282621B (en) * 2020-02-28 2021-10-22 武汉轻工大学 Grading processing method of long-grain rice semi-finished product and long-grain rice processing method
CN113713884A (en) * 2021-08-31 2021-11-30 上海九穗农业科技有限公司 Whitening method for germ-remaining rice

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