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Method for identifying origin of radix tetrastigme

A cloverleaf, origin technology, applied in character and pattern recognition, measuring devices, material analysis by optical means, etc., can solve the problem of inability to effectively identify and distinguish the origin of cloverleaf, and overcome the difficulty of analysing the map, Simple operation and high reliability

Inactive Publication Date: 2018-01-19
ZHEJIANG PHARMA COLLEGE
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  • Application Information

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Problems solved by technology

[0004] For this reason, it is necessary to provide a method for identifying the origin of the clover, in order to solve the problem of being unable to effectively identify and distinguish the origin of the clover

Method used

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  • Method for identifying origin of radix tetrastigme
  • Method for identifying origin of radix tetrastigme
  • Method for identifying origin of radix tetrastigme

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Embodiment Construction

[0028] see figure 1 First of all, the following descriptions will be made on the near-infrared spectrum and high-performance liquid chromatography that will appear in this embodiment:

[0029] Near-infrared spectrum: it is an electromagnetic radiation wave between visible light (Vis) and mid-infrared (MIR). the first non-visible region. The near-infrared spectrum region is consistent with the combined frequency of the vibration of hydrogen-containing groups (O-H, N-H, C-H) in organic molecules and the absorption region of all levels of frequency multiplication. By scanning the near-infrared spectrum of the sample, the hydrogen-containing groups of organic molecules in the sample can be obtained. The characteristic information of the group, and the use of near-infrared spectroscopy to analyze samples has the advantages of convenience, speed, efficiency, accuracy and low cost, without destroying samples, without consuming chemical reagents, and without polluting the environment...

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Abstract

The present invention relates to the field of origin identification of Chinese herbal medicines, and in particular relates to a method for identifying an origin of radix tetrastigme. The method for identifying the origin of the radix tetrastigme comprises the following steps: obtaining near-infrared spectroscopy data and high-performance liquid chromatographic data of radix tetrastigme samples from different origins; obtaining a preset number of samples, and dividing the samples by Kennard-Stone sample dividing method into a training set and a forecasting set; using the training set to establish a least squares support vector machine model; obtaining near-infrared spectroscopy data and high-performance liquid chromatographic data of a sample to be tested, and using the near-infrared spectroscopy data and the high-performance liquid chromatographic data as input of the least squares support vector machine model to obtain the origin of the sample to be tested. The method has high accuracy, high reliability and low cost, can overcome the difficulty of atlas resolving, and is simple in operation.

Description

technical field [0001] The invention relates to the field of identifying the origin of Chinese herbal medicines, in particular to a method for identifying the origin of Clover. Background technique [0002] Clover is a unique rare Chinese herbal medicine in my country, mainly containing flavonoids, phenols, polysaccharides, amino acids, terpenes and other components. It has a wide range of medicinal values ​​such as anti-inflammatory, antipyretic, swelling and stagnation, and anti-liver damage. Due to the discovery in recent years that the flavonoids of trifoliate greens can significantly inhibit the proliferation of various tumor cells, the price of medicinal materials has continued to soar, resulting in the overexploitation of wild resources and the verge of extinction. Artificial cultivation is difficult, and the underground roots of the medicinal parts grow slowly, and it takes 3 to 5 years to meet the requirements of commercial medicinal materials. A number of studies...

Claims

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Application Information

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IPC IPC(8): G01N21/3563G01N21/359G06K9/62
Inventor 彭昕楼天灵吉庆勇
Owner ZHEJIANG PHARMA COLLEGE
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