Nondestructive Identification of the Root of Mountain Cultivation Ginseng and Growth Years by Near Infrared Spectroscopy
BU Hai-bo1, NIE Li-xing2, WANG Dan1, DU Hong1, WANG Gang-li2*, LI Xiang-ri1*
1. School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100102, China 2. National Institute for Food and Drug Control, Beijing 100050, China
Abstract：Mountain cultivation ginseng (MCG) and garden cultivation ginseng (GCG) were identified by near infrared spectroscopy, so were MCG of different growth years. 96 MCG samples of different growth years, including 24 of fifteen years and 72 of ten years, and 177 GCG samples were collected. After the near infrared spectra of these samples were collected, discriminant analysis was used to distinguish MCG and GCG, so was MCG of different years. After the original spectra were pretreated, discriminant analysis models of MCG and GCG, MCG of different growth years were developed respectively with selected principal component numbers in full spectra region. The correct discrimination rate of two groups of model was both 100%. The proposed methods are accurate, fast and nondestructive, and can be applied to the quality control of MCG. It has an important significance for building market image of MCG.
卜海博1，聂黎行2，王 丹1，杜 红1，王钢力2*，李向日1* . 近红外光谱法无损识别林下山参及其生长年限[J]. 光谱学与光谱分析, 2012, 32(07): 1801-1805.
BU Hai-bo1, NIE Li-xing2, WANG Dan1, DU Hong1, WANG Gang-li2*, LI Xiang-ri1* . Nondestructive Identification of the Root of Mountain Cultivation Ginseng and Growth Years by Near Infrared Spectroscopy . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(07): 1801-1805.
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