Determination of Calcium Content in Powdered Milk Using Near and Mid-Infrared Spectroscopy with Variable Selection and Chemometrics
Determination of Calcium Content in Powdered Milk Using Near and Mid-Infrared Spectroscopy with Variable Selection and Chemometrics
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使用近红外光谱和中红外光谱、变量选择和化学计量学测定奶粉中的钙含量
DOI:
10.1007/s11947-010-0492-4
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发表时间:
2012-05
影响因子:
5.6
通讯作者:
Bao, Yidan
中科院分区:
文献类型:
--
作者:
Wu, Di;Nie, Pengcheng;He, Yong;Bao, Yidan
Near infrared (NIR) and mid-infrared (MIR) spectroscopy techniques were evaluated to determine calcium content in powdered milk. A hybrid spectral variable selection algorithm combined with uninformation variable elimination (UVE) and successive projections algorithm (SPA) selected 11 NIR and 15 MIR variables from full 2,756 NIR and 3,727 MIR variables, respectively. Predicted results of least-squares support vector machine models for the samples in the prediction set show that the 15 MIR variables obtained much better results (0.930 for coefficient of determination (r2), 3.703 for residual predictive deviation (RPD), 30.162 for root mean square error of prediction set (RMSEP) and 5.22% for relative errors of prediction (RSEP)) than 11 NIR variables did (0.636 forr2, 1.587 for RPD, 78.815 for RMSEP, and 13.40% for RSEP). The overall results indicate that MIR spectroscopy could be applied as a precision and rapid method to determine calcium content in powdered milk. The good performance shows a potential application using UVE-SPA to select NIR and MIR effective variables.
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影响因子:
6.2
作者:
Borin, Alessandra;Ferrao, Marco Flores;Poppi, Ronei Jesus
通讯作者:
Poppi, Ronei Jesus
影响因子:
1.2
作者:
M. Alvarez;V. Mazo‐Gray
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M. Alvarez;V. Mazo‐Gray
影响因子:
2
作者:
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I. K. A. Hitti;J. D. Thomas
影响因子:
3.5
作者:
P. Upreti;Lloyd Metzger
通讯作者:
P. Upreti;Lloyd Metzger
DOI:
10.1002/9781118660584.ese1682
发表时间:
2014-02
期刊:
--
影响因子:
--
作者:
Sam Goldstein
通讯作者:
Sam Goldstein