Bing GAO, Shuai XU, Lu-jia HAN, Xian LIU. A Sequential Classification Strategy Applied to the Detection of Terrestrial Animal Lipid in Fish Oil by MID-Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(8): 2427
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 8, 2427 (2021)
Fig. 1. Score plot of PCA based on the FTIR of pure fish oil and adulterated fish oil
Fig. 2. Results of PLS-DA one-class model
Fig. 3. Results of PLS-DA multi-class model
(a): Discrimination 1 for pure fish oil; (b): Discrimination 1 for lard; (c): Discrimination 1 for chicken oil; (d): Discrimination 1 for tallow; (e): Discrimination 1 for suet; (f): Discrimination 2 for pure fish oil; (g): Discrimination 2 for non-ruminant lipid; (h): Discrimination 2 for ruminant lipid
(a): Discrimination 1 for pure fish oil; (b): Discrimination 1 for lard; (c): Discrimination 1 for chicken oil; (d): Discrimination 1 for tallow; (e): Discrimination 1 for suet; (f): Discrimination 2 for pure fish oil; (g): Discrimination 2 for non-ruminant lipid; (h): Discrimination 2 for ruminant lipid
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Table 1. Results of first PLS-DA multi-class predictions
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Table 2. Results of second PLS-DA multi-class predictions
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