Figures & data
Figure 1. Scheme of experimental design.
Table 1. Chemical composition of three species of surimi (white croaker surimi (WCS), hairtail surimi (HS), and red coat surimi (RCS)).
Table 2. Chemical composition of four grades of surimi (white croaker surimi (A, AA, FA, and SA)).
Figure 2. Spectra of the three marine fish surimi samples: (a) raw spectra and (b) MSC preprocessed spectra.
Figure 3. Spectra of different grades of white croaker surimi samples: (a) raw spectra and (b) MSC preprocessed spectra.
Table 3. Eigen analysis of spectrum contribution and analysis spectrum contribution (9000–4000 cm–1) for surimi species discrimination.
Table 4. Eigen analysis of spectrum contribution and analysis spectrum contribution (9000–7000 cm–1) for surimi grades discrimination.
Figure 4. Three-dimensional score plot using PC1, PC2, and PC3 for discriminating three marine fish surimi (white croaker surimi (WCS), hairtail surimi (HS), and red coat surimi (RCS)).
Figure 5. Three-dimensional score plot using PC1, PC2, and PC3 for discriminating four grades of white croaker surimi (A, AA, FA, and SA).
Table 5. Classification performance report of calibration (C) and validation (V) for surimi species discrimination (white croaker surimi (WCS), hairtail surimi (HS), and red coat surimi (RCS)).
Table 6. Classification performance report of calibration (C) and validation (V) for surimi grades discrimination (white croaker surimi (A, AA, FA, and SA)).
Figure 6. Classification of three marine fish surimi using discriminant analysis method: □, WCS; △, HS; ○, RCS.
Figure 7. Classification of four grades of white croaker surimi using discriminant analysis method: □,A; △, AA; ○, others.
