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Application of Fourier Transform Near-Infrared Spectroscopy Combined with High-Performance Liquid Chromatography in Rapid and Simultaneous Determination of Essential Components in Crude Radix Scrophulariae |
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| Authors: | Xiaomeng Li Dansi Fang Xiaodong Cong Gang Cao Hao Cai Baochang Cai |
| Affiliation: | 1. Research Center of TCM Processing Technology, Zhejiang Chinese Medical University, Hangzhou, People??s Republic of China 2. Zhejiang Chinese Medical University, Hangzhou, People??s Republic of China 4. National First-Class Key Discipline for Traditional Chinese Medicine of Nanjing University of Chinese Medicine, Nanjing, People??s Republic of China 3. Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, People??s Republic of China |
| Abstract: | A method is described using rapid and sensitive Fourier transform near-infrared spectroscopy combined with high-performance liquid chromatography–diode array detection for the simultaneous identification and determination of four bioactive compounds in crude Radix Scrophulariae samples. Partial least squares regression is selected as the analysis type and multiplicative scatter correction, second derivative, and Savitzky–Golay filter were adopted for the spectral pretreatment. The correlation coefficients (R) of the calibration models were above 0.96 and the root mean square error of predictions were under 0.028. The developed models were applied to unknown samples with satisfactory results. The established method was validated and can be applied to the intrinsic quality control of crude Radix Scrophulariae.KEY WORDS: crude Radix Scrophulariae, FT-NIRS, HPLC-DAD, quality control, quantification |
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