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Method for identifying Wuchang rice-flower fragrance rice by virtue of near infrared spectrum technique

A technology of near-infrared spectroscopy and infrared spectrometer, which is applied in the field of identifying Wuchang rice flower-flavored rice by using near-infrared spectroscopy technology, can solve the problems of difficult promotion, high cost, and high identification error rate, and achieve the effect of easy promotion

Inactive Publication Date: 2015-04-08
SHENZHEN ACAD OF METROLOGY & QUALITY INSPECTION
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Problems solved by technology

[0012] The invention provides a method for identifying Wuchang Dao Huaxiang rice by using near-infrared spectrum technology, using second order derivatives and standardization means to preprocess the original data, and then adopting the method of partial least squares to establish an identification model to solve the problem of Wuchang rice in the prior art The technical problems of high cost, high identification error rate and difficult promotion in the identification process

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  • Method for identifying Wuchang rice-flower fragrance rice by virtue of near infrared spectrum technique
  • Method for identifying Wuchang rice-flower fragrance rice by virtue of near infrared spectrum technique
  • Method for identifying Wuchang rice-flower fragrance rice by virtue of near infrared spectrum technique

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Embodiment Construction

[0032] The technical solutions of the present invention will be described below in conjunction with specific embodiments.

[0033] A kind of method utilizing near-infrared spectrum technology to distinguish the flower fragrance rice of Wuchang rice, the method comprises the following steps:

[0034] A. Use an infrared spectrometer to measure the test sample;

[0035] B. Input the information measured by the test sample into the data processing department, and compare it with the identification model of Wuchang Daohuaxiang rice to obtain the identification result.

[0036] The establishment of the identification model includes the following steps:

[0037] a. Weigh a certain amount of Wuchangdaohuaxiang rice and non-Wuchangdaohuaxiang rice products without any chemical treatment and put them in the sample cup to ensure that the sample does not leak light, and then start the measurement;

[0038] b. Use an infrared spectrometer to scan the sample, and the scanning wavenumber r...

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Abstract

The invention relates to the true and false identification of rice, and in particular relates to a method for identifying Wuchang rice-flower fragrance rice by virtue of near infrared spectrum technique. The method comprises the following steps: A. measuring a detection sample by virtue of an infrared spectrometer; and B. inputting information measured from the detection sample to a data processing department, and comparing the information with an identification model of the Wuchang rice-flower fragrance rice so as to obtain an identification result. The method disclosed by the invention is relatively low in requirement on analysts, and is capable of completing a moving anti-counterfeiting task conveniently with vehicle-mounted near infrared equipment, so that the method is easy to be popularized.

Description

technical field [0001] The invention relates to the identification of true and false rice, in particular to a method for identifying the flower-flavored rice of Wuchang rice by using near-infrared spectrum technology. Background technique [0002] "Wuchang Daohuaxiang Rice" is produced in Wuchang City, Heilongjiang Province. The unique geographical location and climatic conditions form the unique quality of Wuchang Daohuaxiang rice. In 2009, it was recognized as a geographical indication product by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China. High quality contains high added value, and its price in the market is much higher than that of ordinary rice. This price difference allows criminals to take advantage of the opportunity to frantically counterfeit it, causing a crisis of trust in the "Wuchang Daohuaxiang Rice" brand. In this case, it is particularly meaningful for the protection of brands to realize au...

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Application Information

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IPC IPC(8): G01N21/3563G01N21/359
Inventor 苏志义郑彦婕黎永乐黎绍学曾泳艇罗美中
Owner SHENZHEN ACAD OF METROLOGY & QUALITY INSPECTION
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