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Honey detection method based on laser-induced fluorescence spectrum and detection device thereof

A technology of laser-induced fluorescence and fluorescence spectroscopy, which is applied in the field of honey detection methods and detection devices based on laser-induced fluorescence spectroscopy, can solve the problems of inability to accurately obtain the concentration, achieve rapid and non-destructive measurement process, simple solution configuration, and low measurement cost low effect

Active Publication Date: 2020-04-14
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the concentration of the detected components cannot be accurately obtained

Method used

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  • Honey detection method based on laser-induced fluorescence spectrum and detection device thereof
  • Honey detection method based on laser-induced fluorescence spectrum and detection device thereof
  • Honey detection method based on laser-induced fluorescence spectrum and detection device thereof

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[0034] The following will refer to the attached Figure 1 to Figure 3 Specific examples of the present invention are described in more detail. Although specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and is not limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0035] It should be noted that certain terms are used in the specification and claims to refer to specific components. Those skilled in the art should understand that they may use different terms to refer to the same component. The specification and claims do not use differences in nouns as a way of distinguishing components, but use differences in functions of components as a criterion for distinguishing. "Includes" or "comprises" mentioned throughout ...

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Abstract

The invention discloses a honey detection method based on a laser-induced fluorescence spectrum and a detection device thereof. The method comprises the following steps: fully mixing the honey to be detected with water; forming a honey aqueous solution with a preset concentration; irradiating the honey aqueous solution by a fixed-wavelength pulse or a continuous laser to induce fluorescence generation; entering a spectrograph by the fluorescence through an optical filter to obtain a fluorescence spectrum of the honey aqueous solution; normalizing the fluorescence spectrum; comparing in a honeyfluorescence spectrum database to match the honey type in a graphic manner; and if the matched honey types exist, determining that the to-be-detected honey is the type, and when at least two matchedhoney types exist or the matched honey types do not exist, reducing the dimensions of the adulterated honey and the sample group to a low dimension, and judging the adulteration concentration of the adulterated honey based on a Miller distance or a kNN method.

Description

technical field [0001] The invention belongs to the technical field of fluorescence measurement, in particular to a honey detection method and a detection device based on laser-induced fluorescence spectrum. Background technique [0002] Honey is a sweet substance that bees extract nectar from the flowers of plants, convert it into various forms in the body, and fully brew it in the hive. It is loved by people because of its sweet taste and rich nutrition. Due to the different varieties of honey, the price is also very different. Some unscrupulous merchants mix glucose, fructose, maltose, and low-quality honey into high-priced honey, and even feed the bees glucose and fructose when raising bees. To achieve the purpose of reducing costs and shoddy. This kind of behavior deceives consumers, seeks improper benefits, and has a bad influence on the development of the honey industry. Against this background, researchers have found various ways to identify honey adulteration. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64
CPCG01N21/6402G01N2021/6423G01N2201/1296
Inventor 陈和张寅超陈思颖郭磐徐启祥
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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