Spectroscopy and Spectral Analysis, Volume. 42, Issue 6, 1848(2022)
Study on the Fractional Baseline Correction Method of ATR-FTIR Spectral Signal in the Fermentation Process of Sodium Glutamate
Figures & Tables(5)
Fig. 2. Partial least squares regression analysis
(a): Predicted result of glucose concentration by the original spectrum; (b): Predicted result of glucose concentration after baseline correction; (c): Predicted result of sodium glutamate concentration by the original spectrum; (d): Predicted result of sodium glutamate conentration after baseline correction
Fig. 3. Baseline corrected spectra of glucose for each batch with the minimum RMSEP
Fig. 4. Baseline corrected spectra of sodium glutamate for each batch with the minimum RMSEP
Table 1. Comparison of baseline correction effects of different orders
View tableView in ArticleTable 1. Comparison of baseline correction effects of different orders
ingredient
Orderglucose Sodium Glutamate ingredient
Orderglucose Sodium Glutamate RMSEP RMSEC RMSEP RMSEC RMSEP RMSEC RMSEP RMSEC All batch batch1 0 2.703 2.059 0.937 0.386 0 2.098 0.551 0.502 1.119 0.6 2.436 1.650 0.873 0.418 1 1.280 1.271 0.306 0.897 1 2.243 1.886 0.911 0.381 2 1.124 1.037 0.317 0.474 1.3 2.200 1.477 0.899 0.493 2.4 1.165 0.964 0.093 1.173 2 2.322 1.667 0.882 0.451 3 0.898 1.098 0.279 0.822 3 2.353 1.777 0.888 0.292 3.3 0.857 0.905 0.401 0.425 4 2.414 1.342 0.942 0.350 4 1.110 1.464 0.401 0.434 batch2 batch3 0 1.493 0.361 1.052 0.201 0 5.421 3.271 0.861 0.499 1 1.183 0.789 0.752 0.602 1 0.935 1.420 0.932 0.720 2 1.564 1.091 0.637 0.424 2 1.081 1.758 0.941 0.273 2.1 1.265 0.174 0.697 0.258 3 0.647 1.267 0.915 0.421 3 1.514 0.520 0.663 0.432 3.2 0.586 1.227 0.572 0.388 4 1.537 0.532 0.670 0.150 4 0.606 1.447 0.898 0.518 batch4 batch5 0 1.471 0.599 0.685 0.628 0 0.786 0.607 0.732 0.530 1 1.459 0.659 0.674 0.722 1 0.953 1.003 0.453 0.279 2 1.177 0.566 0.571 0.733 2 0.949 0.633 0.317 0.295 2.3 1.411 0.430 0.464 0.655 3 0.881 0.399 0.264 0.300 3 1.285 0.810 0.637 0.742 4 1.047 0.239 0.253 0.302 3.8 0.652 0.524 0.620 0.618 4.1 0.402 0.920 0.271 0.299 4 1.137 0.960 0.621 0.435 4.3 0.474 0.888 0.208 0.315
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Nian HE, Peng SHAN, Zhong-hai HE, Qiao-yun WANG, Zhi-gang LI, Zhui WU. Study on the Fractional Baseline Correction Method of ATR-FTIR Spectral Signal in the Fermentation Process of Sodium Glutamate[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1848
Paper Information
Category: Research Articles
Received: May. 11, 2021
Accepted: --
Published Online: Nov. 14, 2022
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