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Original Article

Geographical traceability of Boletaceae mushrooms using data fusion of FT-IR, UV, and ICP-AES combined with SVM

, , , &
Pages 414-426 | Received 17 Nov 2018, Accepted 22 Feb 2019, Published online: 28 Mar 2019

Figures & data

Table 1. Information of mushroom samples

Figure 1. Geographical origins of Boletaceae mushrooms

Figure 1. Geographical origins of Boletaceae mushrooms

Figure 2. Spectra of Boletaceae mushrooms:

(a) raw FT-IR spectra, (b) raw UV spectra, (c) preprocessed FT-IR spectra, and (d) preprocessed UV spectra.
Figure 2. Spectra of Boletaceae mushrooms:

Table 2. The results of mineral concentrations determined in eight origins mushrooms. (mean ± SD, mg kg−1)

Figure 3. Cr concentration of Boletaceae mushrooms from different locations

Figure 3. Cr concentration of Boletaceae mushrooms from different locations

Figure 4. The eigenvalues and contribution rate of first several principal components:

(a) FT-IR spectra, (b) UV spectra, and (c) ICP-AES.
Figure 4. The eigenvalues and contribution rate of first several principal components:

Table 3. The results of SVM models on different data sources

Figure 5. The plot of actual and predicted category of test samples by SVM:

(a) FT-IR spectra; (b) UV spectra; (c) ICP-AES; (d) data fusion of FT-IR and UV; and (e) data fusion of FT-IR, UV, and ICP-AES.
Figure 5. The plot of actual and predicted category of test samples by SVM: