Determination of the Protein Content in Cordyceps militaris by Near Infrared Spectroscopy Quantitative Model Based on Partial Least Squares Method
Computer Science and Information Engineering, World Congress on (2009)
Los Angeles, California USA
Mar. 31, 2009 to Apr. 2, 2009
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/CSIE.2009.454
Partial least squares (PLS) method was applied to establish models with near infrared spectroscopy (NIRS) for quantitative analysis of protein content in Cordyceps militaris. Varies pretreating spectra methods were used for conversion of near infrared spectra in order to remove the noise in spectra. The pretreated spectra were applied to develop PLS quantitative analysis models respectively. Each model was optimized by selecting the most suitable number of factors. The most optimum model was selected depend on the root mean squares of calibration sets calculate by cross-validation (RMSECV) and the root mean squares of predicted sets(RMSEP). RMSECV of the optimum model was 0.0199. Using the optimum model for determination of protein content in Cordyceps militaris, RMSEP was 0.0145.
T. Hong-ru, W. Di, L. Jia-hui, T. Li-rong and M. Qing-fan, "Determination of the Protein Content in Cordyceps militaris by Near Infrared Spectroscopy Quantitative Model Based on Partial Least Squares Method," 2009 WRI World Congress on Computer Science and Information Engineering, CSIE(CSIE), Los Angeles, CA, 2009, pp. 622-624.