Study on Identification Method of Zherong Radix Pseudostellariae with Near-Infrared Spectroscopy

Yan Ping Pang; Kun Liu; Li Ya Xia; Shao Long Yu

doi:10.4028/www.scientific.net/AMR.989-994.4028

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 989-994Study on Identification Method of Zherong Radix...

Study on Identification Method of Zherong Radix Pseudostellariae with Near-Infrared Spectroscopy

Abstract:

In order to identify the Zherong Radix Pseudostellariae, a geographical indication products, diffuse reflectance spectroscopy of came from ten different origins were collected by the Fourier near-infrared spectrometer. The spectroscopy was analyzed with Chemometrics method,and the spectroscopy was pretreated by the second derivative, first derivation and minus a straight line condition. The range of spectra was 3996.1-7282.5 cm^-1. The Calibration models of Radix Pseudostellariae were established by the qualification testing, principal component analysis, and cluster analysis respectively, and each model was verified. The results show that the optimal model established by the qualification testing, principal component analysis and cluster analysis can effectively identify authentic Zherong Radix Pseudostellariae , and accuracy rate was more than 97.5%. In conclusion, Zherong Radix Pseudostellariae can be identified accurately and quickly by the near-infrared spectroscopy technique.

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

4028-4031

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.4028

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Online since:

July 2014

Authors:

Yan Ping Pang*, Kun Liu, Li Ya Xia, Shao Long Yu

Keywords:

Near Infrared Spectroscopy (NIRS), Principal Component Analysis (PCA), Radix Pseudostellariae

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