Rapid Determination of Water-Extract Content in by Near-Infrared Spectroscopy
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Rapid Determination of Water-Extract Content in by Near-Infrared Spectroscopy
Chinese Journal of Experimental Traditional Medical FormulaeVol. 18, Issue 20, Pages: 69-71(2012)
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Published:2012
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BAI Yan, LI Lei, LEI Jing-wei, et al. Rapid Determination of Water-Extract Content in by Near-Infrared Spectroscopy[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(20): 69-71.
DOI:
BAI Yan, LI Lei, LEI Jing-wei, et al. Rapid Determination of Water-Extract Content in by Near-Infrared Spectroscopy[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(20): 69-71.DOI:
Rapid Determination of Water-Extract Content in by Near-Infrared Spectroscopy
Objective:To determine rapidly the content of water-extract in Salvia miltiorrhiza by near-infrared spectroscopy and the chemometrics method. Method: A calibration model of near-infrared spectroscopy was built up for determination of the content of water-extract in S. miltiorrhiza by partial least squares (PLS) method. Result: The best spectral pretreatment method is MSC
the best spectral collection range is 7 038.39-4 418.78cm-1
and main fraction is 6
correlation coefficient of calibration cross validation (R2)was 0.984 3
root mean square error of cross validation (RMSECV) was 0.857
and external prediction deviation RMSEP of 11 samples was 0.787.Predicted the average recovery was 100.03%. Conclusion: It was feasible to determine the water-extract content in S. miltiorrhiza. This method is fast and simple with consequence accuracy
which should be applied more extensively in traditional Chinese medicine system.