Quantitative Analysis of Forsythiae fructus by Near Infrared Spectroscopy

Yan Bai; Xiao Yan Duan; Hai Yan Gong; Cai Xia Xie; Zhi Hong Chen; Jing Wei Lei

doi:10.4028/www.scientific.net/AMR.807-809.1967

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 807-809Quantitative Analysis of Forsythiae fructus by...

Quantitative Analysis of Forsythiae fructus by Near Infrared Spectroscopy

Abstract:

In this paper, the content of forsythoside A and ethanol-extract were rapidly determinated by near-infrared reflectance spectroscopy (NIRS). 85 samples of Forsythiae Fructus harvested in Luoyang from July to September in 2012 were divided into a calibration set (75 samples) and a validation set (10 samples). In combination with the partical least square (PLS), the quantitative calibration models of forsythoside A and ethanol-extract were established. The correlation coefficient of cross-validation (R²) was 0.98247 and 0.97214 for forsythoside A and ethanol-extract, the root-mean-square error of calibration (RMSEC) was 0.184 and 0.570, the root-mean-square error of cross-validation (RMSECV) was 0.81736 and 0.36656. The validation set were used to evaluate the performance of the models, the root-mean-square error of prediction (RMSEP) was 0.221 and 0.518. The results indicated that it was feasible to determine the content of forsythoside A and ethanol-extract in Forsythiae Fructus by near-infrared spectroscopy.

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Periodical:

Advanced Materials Research (Volumes 807-809)

Pages:

1967-1971

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.807-809.1967

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Online since:

September 2013

Authors:

Yan Bai, Xiao Yan Duan, Hai Yan Gong, Cai Xia Xie, Zhi Hong Chen, Jing Wei Lei

Keywords:

Ethanol-Extra, Forsythiae Fructus, Forsythoside A, Near Infrared Spectroscopy (NIRS), PLS

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