3Jiang Y, Vavsse J, Gilard V, et al. Quality assessment ofcommercial Magnoliae officinalis Cortex by 1H NMR-basedmetabolomics and HPLC methods [ J ]. PhytochemicalAnalysis,2012,23 :387-395.
4Yang S 0,Shin Y S,Hyun S H,et al. NMR-based metabolicprofiling and differentiation of ginseng roots according tocultivation ages[ J]. Journal of Pharmaceutical and Biomed-ical Analysis ,2012,58 : 19-26.
5Chang W T,Choi Y H,Van der Heijden R,et al. Traditionalprocessing strongly affects metabolite composition byhydrolysis in Rehmannia glutinosa roots [ J ]. Chemical andPharmaceutical Bulletin,2011,59(5) :546-552.
6He P, Li Z Y, Xing J, et al. 1H NMR based metabolicprofiling of the processing effect on Rehmanniae Radix[ J].Analytical Methods,2014,6(8) :2736-2744.
7Zhi H J,Qxn X M,Sun H F,et al. Metabolic Fingerprintingof Tussilago farfara L. Using 1H NMR Spectroscopy andMultivariate Data Analysis [ J ]. Phytochemical Analysis,2012,23(5) :492-501.
8Jung J Y, Jung Y, Kim J S, et al. Assessment of Peeling ofAstragalus Roots Using 1H NMR-and UPLC-MS-BasedMetabolite Profiling [ J ]. Journal of agricultural and foodchemistry ,2013 ,61 (43) : 10398-10407.
9Zhang X G,Lu X. Recursive SVM feature selection andsample classification for mass-spectrometry and microarraydata[ J]. BMC Bioinformatics ,2006,7(1 ) : 197-210.
