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Method for rapidly determining L-borneol content in balsamiferou blumea herb powder by near infrared spectroscopy

A technology of near-infrared spectroscopy and L-borneol, which is applied in the field of analysis of medicinal material index components to achieve low-cost effects

Inactive Publication Date: 2016-12-07
TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI
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Problems solved by technology

[0005] At present, there is no relevant report on the application of NIR technology to quantitatively determine the content of L-borneol in Ainaxiang leaf powder

Method used

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  • Method for rapidly determining L-borneol content in balsamiferou blumea herb powder by near infrared spectroscopy
  • Method for rapidly determining L-borneol content in balsamiferou blumea herb powder by near infrared spectroscopy
  • Method for rapidly determining L-borneol content in balsamiferou blumea herb powder by near infrared spectroscopy

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Embodiment 1

[0029] A total of 109 samples were used in the present invention, collected in Hainan, Guizhou and Guangxi in 2013, and identified as Ainaxiang (Blumeabalsamifera (L.) DC.) by researcher Pang Yuxin.

[0030] Table 1 Information of Ainaxiang samples from different sources

[0031]

[0032]

[0033] The instruments, software and reagents involved in the present invention are: NIR analysis: Antaris Fourier transform near-infrared spectrometer (U.S. Thermo Nicolet company) is equipped with InGaAs detector, integrating sphere diffuse reflectance sampling system, ThermoScientific Result operating software; application Unscrambler 9.7 Software (CAMO software, Norway) for spectral preprocessing and model calculation; the SiPLS algorithm toolkit is provided by Norgaard et al. (http: / / www.models.life.ku.dk / iToolbox); other methods are based on the algorithms of Norgaard et al. Completed by the inventor's revision. GC Analysis: Agilent 7890A Gas Chromatograph, Hydrogen Flame Ioniz...

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Abstract

The invention discloses a method for rapidly determining L-borneol content in balsamiferou blumea herb powder by near infrared spectroscopy. The method comprises the following steps: S1. acquisition of initial spectrum data; S2. determination of reference value; S3. establishment of a calibration model: performing derivative combination SG smooth pretreatment by the calibration set near infrared spectroscopy data of a balsamiferou blumea herb powder sample collected in the S1, selecting an optimum latent variable factor number, using interval partial least squares to correct a wavelength scope of the model, through model evaluation, establishing a L-borneol SiPLS model through second derivative combination SG smooth spectrum pretreatment; S4. verification of the calibration model; and S5. determination of an unknown sample L-borneol content. Compared with the current gas-chromatographic determination, the method has the advantages of accuracy, rapidity, and non destruction, and the quality detection efficiency of the balsamiferou blumea herb medicinal material is increased.

Description

technical field [0001] The invention relates to the technical field of index component analysis of medicinal materials, in particular to a method for rapidly determining the content of L-borneol in Aina japonica leaf powder by near-infrared spectroscopy. Background technique [0002] Blumeabalsamifera (L.) DC., also known as Dafeng AI, is a perennial herb of Compositae, widely distributed in Hainan, Guizhou, Guangxi, Yunnan and other provinces in my country. The leaves of Ainaxiang mainly contain volatile oil (the main component is L-borneol), which is used as a refined Chinese medicine moxa tablet. It has various pharmacological activities such as antibacterial, insecticidal, antioxidative, antityrosinase and antitumor. Ainaxiang volatile oil has been successfully used in Chinese patent medicines such as "Jinhoujian Spray" and "Yanlishuang Dropping Pills". Therefore, L-borneol is a key indicator for the quality control of Ainaxiang. [0003] The content of L-borneol in t...

Claims

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Application Information

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IPC IPC(8): G01N21/359G01N30/02G01N30/06
CPCG01N21/359G01N30/02G01N30/06
Inventor 于福来黄梅庞玉新陈振夏吴志生王丹张影波胡璇
Owner TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI
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