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Detection method for potassium sorbate in wheat flour

Potassium sorbate and detection method technology, applied in measurement devices, material analysis through optical means, instruments, etc., can solve the problems of complex, difficult and time-consuming detection process

Inactive Publication Date: 2017-05-31
HENAN UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a method for detecting potassium sorbate in wheat flour, which is used to solve the problems of complex, difficult and time-consuming detection process in the prior art

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  • Detection method for potassium sorbate in wheat flour
  • Detection method for potassium sorbate in wheat flour
  • Detection method for potassium sorbate in wheat flour

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] figure 1 It exemplarily shows a schematic flow chart of a method for detecting potassium sorbate in wheat flour provided by the embodiment of the present invention. like figure 1 Shown, a kind of method for detecting potassium sorbate in wheat flour that the embodiment of the present invention provides, comprises the following steps:

[0030] Step 101, obtaining a sample of the mixture of potassium sorbate and wheat flour.

[0031] It should be noted...

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Abstract

The invention discloses a detection method for potassium sorbate in wheat flour and relates to the technical field of quality control and quality safety of agricultural products / foods, aiming at solving the problems in the prior art that a detection process is complicated and difficult and the consumed time is long. The method comprises the following steps: obtaining a potassium sorbate and wheat flour mixture sample; determining an absorption spectrum of the sample by adopting a terahertz time-domain spectroscopy system; according to the absorption spectrum, determining an absorption coefficient of a characteristic absorption peak of the sample; according to the absorption coefficient of the characteristic absorption peak of the sample, determining a concentration value of the potassium sorbate in the sample through a relation between the absorption coefficient of the characteristic absorption peak of the sample and the concentration of the potassium sorbate in the sample. Compared with the prior art, the method has the characteristics of simplicity in detection and short detection time; the detection method is a safe, efficient and high-precision nondestructive testing method.

Description

technical field [0001] The invention relates to the technical field of agricultural product / food quality control and quality safety, and more specifically relates to a method for detecting potassium sorbate in wheat flour. Background technique [0002] Since wheat is one of the main food crops in my country, as a food additive recognized as safe and highly effective in antisepsis, sorbic acid and potassium salt are more and more widely used in the food / agricultural product industry. However, if the content of potassium sorbate exceeds the standard, it will cause excessive content in the human body, which will adversely affect the health of the kidney and liver to a certain extent. [0003] At present, the commonly used detection methods of potassium sorbate in the agricultural product / food industry mainly include: thin-layer chromatography, high-performance capillary electrophoresis, high-efficiency phase chromatography, etc. However, these technologies have the problems of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3581G01N21/3563
CPCG01N21/3563G01N21/3581
Inventor 葛宏义蒋玉英张元廉飞宇李智管爱红李鹏鹏
Owner HENAN UNIVERSITY OF TECHNOLOGY
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