Analysis of Saponin in Chinese Ginsengs by NIR Spectroscopy
LU Yong-jun1,3,QU Yan-ling1,FENG Zhi-qing1,CAO Zhi-qiang2,SONG Min1
1. The Institute of Optoelectronics of Da Lian Nationalities University, Dalian 116600, China 2. Jilin Institute of Ginseng, Tonghua 134001, China 3. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130022, China
Abstract：In the present paper the saponin in Chinese ginseng was analysed quantitatively by using near infrared spectroscopy. The spectral characteristics of the primary ingredients in Chinese ginseng were obtained by applying second derivative, MSC(Multiple Scatter Correction), and correlation chart to the original absorbance spectra of ginseng. Meantime, in combination with the PLS algorithm the calibration process was performed for the quantitative analysis of saponin in Chinese ginseng. The result obtained shows a fine precision of the method, with RMSEC of 0.154% and correlation coefficient of 0.982 8.
芦永军1,3,曲艳玲1,冯志庆1,曹志强2,宋敏1 . 人参总皂甙近红外光谱及定标建模分析[J]. 光谱学与光谱分析, 2007, 27(03): 490-493.
LU Yong-jun1,3,QU Yan-ling1,FENG Zhi-qing1,CAO Zhi-qiang2,SONG Min1 . Analysis of Saponin in Chinese Ginsengs by NIR Spectroscopy. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(03): 490-493.
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