KR101276691B1 - Apparatus for deciding freshness of grain - Google Patents

Apparatus for deciding freshness of grain Download PDF

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KR101276691B1
KR101276691B1 KR1020120149128A KR20120149128A KR101276691B1 KR 101276691 B1 KR101276691 B1 KR 101276691B1 KR 1020120149128 A KR1020120149128 A KR 1020120149128A KR 20120149128 A KR20120149128 A KR 20120149128A KR 101276691 B1 KR101276691 B1 KR 101276691B1
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grain
freshness
lighting
grain sample
image file
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이재권
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쌍용기계산업 주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/80—Indicating pH value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food

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  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE: A grain freshness determining device is provided to objectively determine the freshness of a grain sample by calculating a maximum value, a minimum value, and an average by measuring colors of each grain respectively. CONSTITUTION: A grain freshness determining device comprises a measuring device(100) and a computer(200). The measuring device photographs a grain specimen, thereby transmitting data of a form of an image file. The computer extracts the grain specimen from the transmitted image file, applies arbitrary numbers to the extracted grain specimen respectively, scoring each of grains by comparing a reference color table recorded in a database with the grain sample in which the numbers is applied, and determining freshness by calculating the average.

Description

곡물 신선도 판정기{APPARATUS FOR DECIDING FRESHNESS OF GRAIN}Grain Freshness Tester {APPARATUS FOR DECIDING FRESHNESS OF GRAIN}

본 발명은 곡물(쌀 또는 보리쌀)의 신선도를 측정하고 판정하는 곡물 신선도 판정기에 관한 것으로서, 보다 상세하게는 측정장치에서 시약처리된 곡물시료를 촬영하여 이미지 파일로 데이터를 컴퓨터로 전송하고, 컴퓨터가 전송된 이미지 파일로부터 곡물시료를 추출하고, 추출된 각각의 곡물시료 낱알에 임의의 번호를 부여하고, 번호가 부여된 곡물시료 낱알의 컬러를 데이터 베이스에 저장된 기준 컬러 테이블과 각각 대비하여, 곡물시료 낱알 각각에 점수를 매기고, 평균을 내어 신선도를 판정하는 곡물 신선도 판정기에 관한 것이다.
The present invention relates to a grain freshness determiner for measuring and determining the freshness of grains (rice or barley rice), and more particularly, to photograph the reagents processed grain samples in the measuring device and to transfer the data to a computer as an image file. Grain samples are extracted from the transferred image file, each grain sample is given a random number, and the grain sample is compared with the reference color table stored in the database for each color of the numbered grain sample. It relates to a grain freshness determiner that scores each grain and averages them to determine freshness.

대한민국 특허공개 제10-2010-0052905호(2010년 5월 20일, 공개)에 "쌀 신선도 판정방법 및 장치"가 소개되어 있다.Republic of Korea Patent Publication No. 10-2010-0052905 (published May 20, 2010) is introduced "rice freshness determination method and apparatus".

상기 쌀 신선도 판정장치는 측정모듈과, 상기 측정모듈로부터 데이터를 수집하는 검출모듈과, 상기 검출모듈과 연결되어 상기 검출모듈로부터 공급되는 색채값을 통해 지방산도 및 신선도를 계산하고, 상기 신선도를 표시부 또는 통신모듈로 전달하는 제어부를 포함하고, 상기 측정모듈은 내부에 용액을 담을 수 있는 시험관과, 상기 시험관에 주변으로부터의 빛이 공급되는 것을 차단하는 광차단커버와, 상기 광차단커버와 상기 시험관을 안정적으로 지지하는 베이스와, 상기 광차단커버에 설치되고 상기 검출모듈에 전기적으로 연결되는 발광부 및 수광센서를 포함한다.The rice freshness determination device is a measurement module, a detection module for collecting data from the measurement module, and connected to the detection module calculates the fatty acid degree and freshness through the color values supplied from the detection module, and displays the freshness display unit Or a control unit for transmitting to a communication module, wherein the measurement module includes a test tube which can contain a solution therein, a light blocking cover which blocks light from the surroundings from being supplied to the test tube, and the light blocking cover and the test tube. And a light emitting unit and a light receiving sensor installed on the light blocking cover and electrically connected to the detection module.

그러나, 상기 쌀 신선도 판정장치는 쌀과 시약을 혼합한 용액이 담겨진 시험관에 광을 비추어 시험관을 투과한 광의 수광센서로 받아들여 검출모듈에서 투과된 광의 색체값을 계산하기 때문에 낱알 각각의 지방산 산도를 측정하지 못하고, 빛의 세기 및 쌀을 시약에 넣고 방치한 시간 등에 따라 측정값 차이가 발생할 수 있는 단점이 있다.
However, the rice freshness determination device reflects light in a test tube containing a mixture of rice and reagents and receives the light as a light receiving sensor of light passing through the test tube to calculate the color value of the light transmitted from the detection module. There is a disadvantage that the measurement value difference may occur depending on the intensity of light and the time left in the reagent in the rice.

따라서, 본 발명의 목적은 측정장치에서 시약처리된 곡물시료를 촬영하여 이미지 파일로 데이터를 컴퓨터로 전송하고, 컴퓨터가 전송된 이미지 파일로부터 곡물시료를 추출하고, 추출된 각각의 곡물시료 낱알에 임의의 번호를 부여하고, 번호가 부여된 곡물시료 낱알의 컬러를 데이터 베이스에 저장된 기준 컬러 테이블과 각각 대비하여, 곡물시료 낱알 각각에 점수를 매기고, 평균을 내어 신선도를 판정함으로써, 곡물시료의 신선도를 종합적으로 그리고 객관적으로 판정할 수 있으며, 곡물시료를 측정하는 작업이 간편한 곡물 신선도 판정기를 제공하는 것이다.
Accordingly, an object of the present invention is to photograph the reagents processed grain sample in the measuring device to transfer the data to the computer as an image file, the computer extracts the grain sample from the transferred image file, and randomly to each grain sample extracted The number of grain samples is numbered and the color of the numbered grain samples is compared with the reference color table stored in the database, and each grain sample is scored and averaged to determine the freshness. It provides a grain freshness tester that can be comprehensively and objectively judged and is easy to measure grain samples.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 곡물 신선도 판정기는 시약처리된 곡물시료를 촬영하여 이미지 파일로 데이터를 전송하는 측정장치와, 전송된 이미지 파일에서 곡물시료를 추출하고, 추출된 각각의 곡물시료 낱알에 임의의 번호를 부여하고, 번호가 부여된 곡물시료 낱알의 컬러를 데이터 베이스에 저장된 기준 컬러 테이블과 각각 대비하여, 곡물시료 낱알 각각에 점수를 매기고, 평균을 내어 신선도를 판정하는 컴퓨터로 구성되는 것을 특징으로 하는 곡물 신선도 판정기.Grain freshness determiner according to the present invention for achieving the above object is a measuring device for photographing the reagent-processed grain sample and transmitting the data to the image file, extracting the grain sample from the transmitted image file, each extracted A computer that assigns a random number to each grain sample, compares the color of the numbered grain sample with the reference color table stored in the database, scores each grain sample, and averages them to determine freshness. Grain freshness determiner, characterized in that consisting of.

상기 측정장치는 베이스 프레임에 조명박스가 배치되고, 조명박스의 내부에 LED 하부조명수단이 내장되고, 조명박스의 상부면에 조명판이 부착되고, 조명판의 상부면에 가이드 패널이 부착되고, 가이드 패널의 가이드 홈에 슬라이드가 끼워지며, 베이스 프레임에 스텐드의 하단이 장착되고, 스텐드에 카메라와 LED 상부조명수단이 장착되어, LED 상부조명수단이 카메라와 슬라이드 사이에 배치되고, LED 상부조명수단의 상부면에 중앙에 관측 구멍이 형성된 조명 무반사판이 부착되는 것을 특징으로 한다.
The measuring device is a lighting box is disposed in the base frame, the LED lower lighting means is built in the interior of the lighting box, the lighting plate is attached to the upper surface of the lighting box, the guide panel is attached to the upper surface of the lighting plate, the guide The slide is fitted in the guide groove of the panel, the bottom of the stand is mounted on the base frame, the camera and the LED upper lighting means are mounted on the stand, and the LED upper lighting means is disposed between the camera and the slide, An illumination antireflective plate having an observation hole formed in the center on the upper surface is attached.

이것에 의해, 본 발명에 따른 곡물 신선도 판정기는 곡물시료 낱알을 각각의 컬러를 각각 측정하여 최대값과 최소값을 구하고 평균을 구하여 곡물시료의 신선도를 종합적으로 그리고 객관적으로 판정할 수 있으며, 곡물시료를 측정하는 작업이 간편한 효과가 있다.
Thereby, the grain freshness determiner according to the present invention can determine the freshness of grain samples comprehensively and objectively by measuring grain color for each color, obtaining the maximum and minimum values, and obtaining the average. It is easy to measure.

도 1은 신선도에 따른 곡물시료의 시약처리 결과를 나타낸 사진
도 2는 본 발명에 따른 곡물 신선도 판정기를 도시한 구성도
도 3은 도 2의 측정장치를 도시한 사시도
도 4는 도 2의 측정장치를 도시한 측면도
도 5는 측정장치의 이미지 파일에서 곡물 형상을 추출하고 각각의 곡물시료에 번호를 넘버링한 예시도
도 6은 어느 한 곡물시료의 시험 성적서1 is a photo showing the results of reagent treatment of grain samples according to freshness
2 is a block diagram showing a grain freshness determiner according to the present invention
3 is a perspective view of the measuring device of FIG.
4 is a side view showing the measuring device of FIG.
Figure 5 is an example of extracting the grain shape from the image file of the measuring device and numbering each grain sample number
6 is a test report of one grain sample

이하, 본 발명의 바람직한 실시예를 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

먼저, 곡물시료의 시약처리 방법과 그 결과를 설명하기로 한다.First, the reagent processing method and results of the grain sample will be described.

① 시험관에 2g(100립 내외) 정도의 곡물시료를 넣는다. ① Put about 2g (about 100 grains) grain sample into the test tube.

② 구아야콜 1%용액을 4㎖ 넣고 10회 흔든 다음 2분간 정치한다.② Add 4 ml of 1% solution of guayacol, shake it 10 times, and then stand still for 2 minutes.

③ 과산화수소 3%용액을 스포이드로 3~4방울 가하여 10회 정도 흔들어준다.③ Add 3 ~ 4 drops of 3% hydrogen peroxide solution and shake it about 10 times.

④ 파라페닐엔디아민 0.2%용액을 3㎖ 가하여 다시 10회전도 흔든 다음 5분간 정치한다.④ Add 3 ml of 0.2% paraphenylenediamine solution and shake again for 10 revolutions.

⑤ 이후, 맑은 물로 2회 세수하여 감정한다.⑤ After that, wash your face twice with clear water.

이때, 도 1에 도시된 것처럼, 신선한 쌀은 배아, 배유부와 시약이 자색으로 변하고, 약간 오래된 쌀은 배아 부위만 착색되거나 착색반응이 약하게 나타나며, 오래되거나 발열 또는 변색된 쌀은 착색 반응이 거의 일어나지 않는다.At this time, as shown in Figure 1, fresh rice, the embryo, the drainage part and the reagent turns purple, slightly old rice is colored only in the embryo area or weak color reaction, old or exothermic or discolored rice is almost the color reaction Does not happen.

이것은 곡물 그 자체에 효소가 존재하지만 저장기간이 길어지거나 저장 방법이 불량하게 되면, 효소의 활성이 떨어지고 곡물의 품질이 저하되기 때문이다.This is because enzymes are present in the grains themselves, but if the storage period is prolonged or the storage method is poor, the activity of the enzymes is reduced and the grains are degraded.

따라서, 진한 자색에서 색상이 점점 흐려지는 정도에 따라 기준 컬러 테이블과 비교하여 곡물의 신선도를 판단할 수 있다.
Therefore, the freshness of the grain can be determined by comparing with the reference color table according to the degree of fading of the color in dark purple.

도 2를 참조하면, 본 발명에 따른 곡물 신선도 판정기는 시약처리된 곡물시료(SP)를 촬영하여 이미지 파일로 데이터를 전송하는 측정장치(100)와, 전송된 이미지 파일에서 곡물시료를 추출하고, 추출된 각각의 곡물시료 낱알에 임의의 번호를 부여하고, 번호가 부여된 곡물시료 낱알의 컬러를 데이터 베이스에 저장된 기준 컬러 테이블과 각각 대비하여, 곡물시료 낱알 각각에 점수를 매기고, 평균을 내어 신선도를 판정하는 컴퓨터(200)로 구성된다.Referring to Figure 2, the grain freshness determiner according to the present invention is a measuring device 100 for photographing the reagent-treated grain sample (SP) and transmits the data in the image file, and extracts the grain sample from the transmitted image file, Randomly number each grain sample, and compare the color of the numbered grain sample with the reference color table stored in the database, score each grain sample, and average the freshness. It consists of a computer 200 for determining the.

도 3 및 도 4를 참조하면, 상기 측정장치(100)는 베이스 프레임(110)에 조명박스(120)가 배치되고, 조명박스(120)의 내부에 LED 하부조명수단(130)이 내장되고, 조명박스(120)의 상부면에 조명판(135)이 부착되고, 조명판(135)의 상부면에 가이드 패널(140)이 부착되고, 가이드 패널(140)의 가이드 홈(142)에 슬라이드(150)가 끼워지며, 베이스 프레임(110)에 스텐드(160)의 하단이 장착되고, 스텐드(160)에 카메라(170)와 LED 상부조명수단(180)이 장착되어, LED 상부조명수단(180)이 카메라(170)와 슬라이드(150) 사이에 배치되고, LED 상부조명수단(180)의 상부면에 중앙에 관측 구멍(186)이 형성된 조명 무반사판(185)이 부착된다.3 and 4, the measuring device 100 is a lighting box 120 is disposed in the base frame 110, LED lower lighting means 130 is built in the interior of the lighting box 120, The lighting plate 135 is attached to the upper surface of the lighting box 120, the guide panel 140 is attached to the upper surface of the lighting plate 135, and slides in the guide groove 142 of the guide panel 140. 150 is fitted, the bottom of the stand 160 is mounted on the base frame 110, the camera 170 and the LED upper lighting means 180 is mounted on the stand 160, LED upper lighting means 180 The illumination non-reflective plate 185 is disposed between the camera 170 and the slide 150 and the observation hole 186 is formed at the center of the upper surface of the LED upper lighting means 180.

이것에 의해, LED 하부조명수단(130)이 곡물 시료를 펼쳐놓은 슬라이드(150)로 빛을 상향 조명하는 것과 동시에 LED 상부조명수단(180)이 슬라이드(150)로 빛을 하향 조명함으로써, 슬라이드(150)에 펼쳐놓은 곡물시료에 음영이 형성되는 것을 방지할 수 있고, 조명판(135)의 상부면에 검정색 포맥스 소재의 가이드 패널(140)이 부착되어 있고, LED 상부조명수단(180)의 상부면에 중앙에 관측 구멍(186)이 형성된 조명 무반사판(185)이 부착되어 있어, LED 하부조명수단(130) 및 LED 상부조명수단(180)의 빛이 카메라(170) 주위로 반사되는 것을 방지할 수 있다.As a result, the LED lower illumination means 130 illuminates the light upward with the slide 150 on which the grain sample is spread, and the LED upper illumination means 180 illuminates the light downward with the slide 150, thereby providing a slide ( Shading may be prevented from being formed on the grain sample laid out at 150, and a guide panel 140 made of black Formax material is attached to the upper surface of the lighting plate 135, and the upper portion of the LED upper lighting means 180. An illumination antireflective plate 185 having a viewing hole 186 formed at the center thereof is attached to prevent the light from the LED lower lighting unit 130 and the LED upper lighting unit 180 from being reflected around the camera 170. can do.

상기 컴퓨터(200)는, 도 5에 도시된 것처럼, 이미지 파일 데이터가 입력되면, 이미지 파일에서 곡물 형상(쌀 또는 보리쌀)을 추출하고, 추출된 각각의 곡물 형상에 번호를 임의로 부여하고, 번호가 부여된 각각의 곡물 형상의 컬러를 인식하고, 인식된 곡물시료의 컬러를 데이터 베이스에 저장된 기준 컬러 테이블과 대비하여 도 6의 시험 성적서와 같이 각각의 곡물 시료의 컬러를 점수화하고, 각각의 점수를 합산하여 평균을 냄으로써, 판정하고자 하는 곡물의 신선도를 판단한다.As shown in FIG. 5, when the image file data is input, the computer 200 extracts a grain shape (rice or barley rice) from the image file, randomly assigns a number to each extracted grain shape, Recognize the color of each given grain shape, compare the color of the recognized grain sample with the reference color table stored in the database and score the color of each grain sample as shown in the test report of FIG. By adding up and averaging, the freshness of the grain to be judged is judged.

상기와 같은 본 발명에 따른 곡물 신서도 판정기는 곡물시료 낱알을 각각의 컬러를 각각 측정하여 최대값과 최소값을 구하고 평균을 구하여 곡물시료의 신선도를 종합적으로 그리고 객관적으로 판정할 수 있으며, 곡물시료를 측정하는 작업이 간편한 장점이 있다.
Grain newness determination device according to the present invention as described above can determine the freshness of the grain sample comprehensively and objectively by measuring the respective grain color of each grain sample to obtain the maximum value and the minimum value and obtain the average. The advantage is easy to measure.

100 : 측정장치 200 : 컴퓨터100: measuring device 200: computer

Claims (2)

시약처리된 곡물시료(SP)를 촬영하여 이미지 파일로 데이터를 전송하는 측정장치(100)와, 전송된 이미지 파일에서 곡물시료를 추출하고, 추출된 각각의 곡물시료 낱알에 임의의 번호를 부여하고, 번호가 부여된 곡물시료 낱알의 컬러를 데이터 베이스에 저장된 기준 컬러 테이블과 각각 대비하여, 곡물시료 낱알 각각에 점수를 매기고, 평균을 내어 신선도를 판정하는 컴퓨터(200)로 구성되고,
상기 측정장치(100)는 베이스 프레임(110)에 조명박스(120)가 배치되고, 조명박스(120)의 내부에 LED 하부조명수단(130)이 내장되고, 조명박스(120)의 상부면에 조명판(135)이 부착되고, 조명판(135)의 상부면에 가이드 패널(140)이 부착되고, 가이드 패널(140)의 가이드 홈(142)에 슬라이드(150)가 끼워지며, 베이스 프레임(110)에 스텐드(160)의 하단이 장착되고, 스텐드(160)에 카메라(170)와 LED 상부조명수단(180)이 장착되어, LED 상부조명수단(180)이 카메라(170)와 슬라이드(150) 사이에 배치되고, LED 상부조명수단(180)의 상부면의 중앙에 관측 구멍(186)이 형성된 조명 무반사판(185)이 부착되는 것을 특징으로 하는 곡물 신선도 판정기.
Measuring device 100 for photographing the reagent-processed grain sample (SP) and transmitting the data to the image file, extracting the grain sample from the transmitted image file, and assigns a random number to each grain sample extracted And comparing the color of the numbered grain sample with the reference color table stored in the database, respectively, to score each grain sample, and to average the freshness to determine the freshness.
The measuring device 100 has a lighting box 120 is disposed in the base frame 110, LED lower lighting means 130 is built in the interior of the lighting box 120, the upper surface of the lighting box 120 The lighting plate 135 is attached, the guide panel 140 is attached to the upper surface of the lighting plate 135, the slide 150 is fitted into the guide groove 142 of the guide panel 140, the base frame ( The lower end of the stand 160 is mounted on the stand 110, and the camera 170 and the LED upper lighting means 180 are mounted on the stand 160, and the LED upper lighting means 180 includes the camera 170 and the slide 150. And a lighting non-reflective plate 185 having a viewing hole 186 formed at the center of the upper surface of the LED upper lighting unit 180.
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Publication number Priority date Publication date Assignee Title
RU2563128C1 (en) * 2014-08-26 2015-09-20 Федеральное государственное бюджетное учреждение Научно-исследовательский институт проблем хранения Федерального агентства по государственным резервам Rice groats freshness determination method
KR101901812B1 (en) * 2017-02-07 2018-09-28 대한민국 A method for discriminating new rice and staled rice using electronic eye
KR101937882B1 (en) 2017-09-15 2019-01-14 대한민국 Method of discriminating new rice and old rice using liquid chromatographytandem mass spectrometry
KR102045215B1 (en) 2018-05-28 2019-11-18 대한민국 Method of discriminating new rice and old rice using GC×GC TOF
KR102111950B1 (en) 2018-11-21 2020-05-21 대한민국 Quick discrimination new rice and old rice
KR20220063982A (en) * 2020-11-11 2022-05-18 대한민국(국립농산물품질관리원장) Color code composition for discriminating milling degree of rice and method for discriminating milling degree of rice using the same

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JPH0219747A (en) * 1988-07-06 1990-01-23 Yanmar Agricult Equip Co Ltd Detecting device for hulling rate of grain
JP2007093516A (en) * 2005-09-30 2007-04-12 Kett Electric Laboratory Device, method and system for determining grain
KR20090112421A (en) * 2008-04-24 2009-10-28 임용무 System and method for evaluating the grade of rice grains

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JPH0219747A (en) * 1988-07-06 1990-01-23 Yanmar Agricult Equip Co Ltd Detecting device for hulling rate of grain
JP2007093516A (en) * 2005-09-30 2007-04-12 Kett Electric Laboratory Device, method and system for determining grain
KR20090112421A (en) * 2008-04-24 2009-10-28 임용무 System and method for evaluating the grade of rice grains

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2563128C1 (en) * 2014-08-26 2015-09-20 Федеральное государственное бюджетное учреждение Научно-исследовательский институт проблем хранения Федерального агентства по государственным резервам Rice groats freshness determination method
KR101901812B1 (en) * 2017-02-07 2018-09-28 대한민국 A method for discriminating new rice and staled rice using electronic eye
KR101937882B1 (en) 2017-09-15 2019-01-14 대한민국 Method of discriminating new rice and old rice using liquid chromatographytandem mass spectrometry
KR102045215B1 (en) 2018-05-28 2019-11-18 대한민국 Method of discriminating new rice and old rice using GC×GC TOF
KR102111950B1 (en) 2018-11-21 2020-05-21 대한민국 Quick discrimination new rice and old rice
KR20220063982A (en) * 2020-11-11 2022-05-18 대한민국(국립농산물품질관리원장) Color code composition for discriminating milling degree of rice and method for discriminating milling degree of rice using the same
KR102412798B1 (en) 2020-11-11 2022-06-24 대한민국 Color code composition for discriminating milling degree of rice and method for discriminating milling degree of rice using the same

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