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Near infrared spectrum-based Hanfu apple quality nondestructive test method

A technology of near-infrared spectroscopy and cold-rich apples, applied in measuring devices, material analysis through optical means, instruments, etc., can solve problems such as incompetence, large differences in apple size, coloring, maturity quality, and commerciality, and achieve Ease of control, high detection accuracy, and simple operation

Inactive Publication Date: 2016-04-27
SHENYANG AGRI UNIV
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Problems solved by technology

After harvesting, the size, coloring, maturity, quality and commerciality of apples vary greatly, and they should be tested and graded according to different uses. However, the current test results of apples in my country are lower than the standards of the international market, which makes it impossible to compete with other international brands. compete

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  • Near infrared spectrum-based Hanfu apple quality nondestructive test method
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  • Near infrared spectrum-based Hanfu apple quality nondestructive test method

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with specific examples, but the present invention is not limited to the following examples. The methods are conventional methods unless otherwise specified. The raw materials can be obtained from public commercial sources unless otherwise specified. The data processing of each step in the following examples was completed by the chemometric software TheUnscrambler 9.7 sold by CAMO Company of Norway.

[0020] A non-destructive detection method for the quality of Hanfu apples based on near-infrared spectroscopy. The method uses visible and near-infrared light sources to perform non-destructive detection on the sugar content, acidity, and texture (hardness or brittleness) of Hanfu apples; the processing process of the method includes waiting Preservation treatment of test samples, pretreatment before detection, collection of spectral information, arrangement of spectral data, establishment of regression m...

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Abstract

The invention discloses a near infrared spectrum-based Hanfu apple quality nondestructive test method. According to the method, a sample spectrum is acquired in a characteristic wave band range, an intensity spectrum under the condition of a fiber-optic probe-a reference plate distance of 24-42mm is used as a reference spectrum, an irradiation color surface is designed according to a fruit male-female face ratio, irradiation latitude is in a range of 40 degree N-40 degree S, an area with surface features is used as a spectrum collecting point and the acquired apple reflectivity information is complete and has representativeness. Through use of a spectrum technology on a detection platform, the method realizes a Hanfu apple inner quality nondestructive test, fast analysis of a sugar degree, acidity and quality of Hanfu apples, prediction of Hanfu apple quality and direct display of a quality predicted value and has a prediction precision satisfying practical production requirements. The test platform can be operated simply, can be controlled easily and has a high detection precision. The method can be used for on-line detection grading of fruit quality.

Description

technical field [0001] The invention belongs to the technical field of spectral analysis and detection of agricultural products, and relates to a non-destructive detection method for the quality of Hanfu apples based on near-infrared spectroscopy, in particular to a method for detecting the internal quality of apples, especially the sugar content, acidity, texture (hardness) of Hanfu apples. or brittleness) detection method. Background technique [0002] Hanfu Apple is a cold-resistant and high-quality large apple variety obtained by crossing Dongguang and Fuji as parents (Li Huaiyu, Qiao Fengqi. Breeding of Hanfu Apple and its social effects[J]. Journal of Shenyang Agricultural University, 1998, 01:37- 40.). Its fruit shape is short, conical and round, with bright red color and beautiful appearance. The average weight of the fruit is more than 250g, and the maximum can reach 900g. It is one of the varieties with a large single fruit weight. On par. However, the juice yie...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/359G01N21/3563
Inventor 宫元娟裴军强宁晓峰周铁秦军伟
Owner SHENYANG AGRI UNIV
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